https://produccioncientificaluz.org/index.php/boletin/issue/feed Boletín del Centro de Investigaciones Biológicas 2022-07-24T12:50:32+00:00 Teresa Martinez Leones boletincibluz@gmail.com Open Journal Systems <p>Dedicada a la publicación de trabajos originales (básicos o aplicados) en el campo de las Ciencias Biológicas. Abierta no solamente a las investigaciones efectuadas en Venezuela sino también a aquellos estudios ejecutados en otros países, relacionados con la biología tropical</p> https://produccioncientificaluz.org/index.php/boletin/article/view/38495 Tabla de Contenido 2022-07-23T10:46:19+00:00 Teresa Martinez Leones boletincibluz@gmail.com 2022-07-23T00:00:00+00:00 Derechos de autor https://produccioncientificaluz.org/index.php/boletin/article/view/38496 Halimeda opuntia como sustrato para potamilla sp. En campos de Thalassia Testudinum. 2022-07-23T11:04:51+00:00 Ricardo Bitter-Soto cardenalcoriano@gmail.com Luis Lemus-Jiménez cardenalcoriano@gmail.com <p><span id="page31R_mcid17" class="markedContent"><span dir="ltr" style="left: 77.24px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.895605);" role="presentation">Las</span> <span dir="ltr" style="left: 117.628px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.857181);" role="presentation">algas</span> <span dir="ltr" style="left: 169.166px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.852124);" role="presentation">calcáreas</span> <span dir="ltr" style="left: 250.09px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.897921);" role="presentation">como</span> <span dir="ltr" style="left: 304.683px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.933298);" role="presentation">Halimeda</span><span dir="ltr" style="left: 377.317px; top: 447.125px; font-size: 18.4px; font-family: sans-serif;" role="presentation">,</span> <span dir="ltr" style="left: 395.698px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.920588);" role="presentation">forman</span> <span dir="ltr" style="left: 462.251px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.876839);" role="presentation">agrupaciones</span> <span dir="ltr" style="left: 572.964px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.932);" role="presentation">muy</span> <span dir="ltr" style="left: 619.148px; top: 447.125px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.851673);" role="presentation">estables,</span> <span dir="ltr" style="left: 695.692px; top: 447.125px; font-size: 18.4px; font-family: sans-serif;" role="presentation">y</span> <span dir="ltr" style="left: 72.6px; top: 468.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.974727);" role="presentation">constituyen el sustrato sobre el que se establecen organismos sésiles como los</span> <span dir="ltr" style="left: 72.6px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.894852);" role="presentation">anélidos</span> <span dir="ltr" style="left: 146.954px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.909457);" role="presentation">poliquetos,</span> <span dir="ltr" style="left: 241.126px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.835872);" role="presentation">además</span> <span dir="ltr" style="left: 309.077px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.867576);" role="presentation">atrapan</span> <span dir="ltr" style="left: 376.403px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.88749);" role="presentation">sedimento</span> <span dir="ltr" style="left: 464.741px; top: 489.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">y</span> <span dir="ltr" style="left: 487.115px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.917891);" role="presentation">material</span> <span dir="ltr" style="left: 560.439px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.90875);" role="presentation">orgánico</span> <span dir="ltr" style="left: 637.793px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.902418);" role="presentation">como</span> <span dir="ltr" style="left: 691.576px; top: 489.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916365);" role="presentation">el</span> <span dir="ltr" style="left: 72.6px; top: 510.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.908705);" role="presentation">nitrógeno. Se muestrearon tres localidades, seleccionadas con base en la distancia a </span><span dir="ltr" style="left: 72.6px; top: 531.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.975201);" role="presentation">mar abierto y profundidad: 8 km y 30 cm, 7 km, 80 cm y 6 km, 150 cm (A, B y C</span> <span dir="ltr" style="left: 72.6px; top: 552.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916815);" role="presentation">respectivamente) en el Parque Nacional Morrocoy; en cada una se demarcó un área </span><span dir="ltr" style="left: 72.6px; top: 573.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.00324);" role="presentation">de 20 x 20 m, se muestreó mensualmente un mínimo de 10 cuadratas (1 m</span><span dir="ltr" style="left: 688.6px; top: 570.517px; font-size: 11.6px; font-family: sans-serif;" role="presentation">2</span><span dir="ltr" style="left: 694.4px; top: 573.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.958432);" role="presentation">),</span> <span dir="ltr" style="left: 72.6px; top: 594.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.9893);" role="presentation">seleccionadas mediante una tabla de números aleatorios, para un total de 140</span> <span dir="ltr" style="left: 72.6px; top: 615.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.953606);" role="presentation">cuadratas/localidad. En cada una se hizo énfasis en la biomasa del alga calcárea</span> <span dir="ltr" style="left: 72.6px; top: 636.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.938117);" role="presentation">Halimeda opuntia</span><span dir="ltr" style="left: 207.033px; top: 636.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.924935);" role="presentation">, la abundancia del poliqueto tubícola</span> <span dir="ltr" style="left: 494.117px; top: 636.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.956639);" role="presentation">Potamilla</span> <span dir="ltr" style="left: 572.367px; top: 636.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.927987);" role="presentation">sp. y el contenido</span> <span dir="ltr" style="left: 72.6px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">de</span> <span dir="ltr" style="left: 104.174px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.914084);" role="presentation">nitrógeno</span> <span dir="ltr" style="left: 188.52px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.840591);" role="presentation">en</span> <span dir="ltr" style="left: 219.91px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916353);" role="presentation">el</span> <span dir="ltr" style="left: 247.087px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.885325);" role="presentation">sedimento</span> <span dir="ltr" style="left: 336.438px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.863698);" role="presentation">adyacente</span> <span dir="ltr" style="left: 423.801px; top: 657.958px; font-size: 18.4px; font-family: sans-serif;" role="presentation">a</span> <span dir="ltr" style="left: 446.517px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.928327);" role="presentation">Halimeda</span> <span dir="ltr" style="left: 532.868px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.927517);" role="presentation">opuntia</span> <span dir="ltr" style="left: 602.967px; top: 657.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.926266);" role="presentation">(Chlorophyta,</span> <span dir="ltr" style="left: 72.6px; top: 679.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.895182);" role="presentation">Bryopsidales) en campos de</span> <span dir="ltr" style="left: 285.883px; top: 679.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.902507);" role="presentation">Thalassia testudinum.</span> <span dir="ltr" style="left: 452.717px; top: 679.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.890469);" role="presentation">La abundancia de</span> <span dir="ltr" style="left: 588.167px; top: 679.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.956639);" role="presentation">Potamilla</span> <span dir="ltr" style="left: 665.6px; top: 679.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.904451);" role="presentation">sp., y </span><span dir="ltr" style="left: 72.6px; top: 700.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.977593);" role="presentation">el contenido de nitrógeno presentaron un gradiente escalonado A &gt; B &gt; C, está</span> <span dir="ltr" style="left: 72.6px; top: 721.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.990841);" role="presentation">influenciada por el contenido de nitrógeno en el sedimento y la biomasa de</span> <span dir="ltr" style="left: 687.6px; top: 721.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.967);" role="presentation">H.</span> <span dir="ltr" style="left: 72.6px; top: 742.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.931534);" role="presentation">opuntia</span><span dir="ltr" style="left: 128.834px; top: 742.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.904522);" role="presentation">. La influencia del alga se notó particularmente en la abundancia de</span> <span dir="ltr" style="left: 633.167px; top: 742.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.953963);" role="presentation">Potamilla </span><span dir="ltr" style="left: 72.6px; top: 763.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.977691);" role="presentation">sp y la cantidad de nitrógeno. La relación estadísticamente significativa entre la</span> <span dir="ltr" style="left: 72.6px; top: 784.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.877226);" role="presentation">abundancia de</span> <span dir="ltr" style="left: 183.633px; top: 784.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.953963);" role="presentation">Potamilla</span> <span dir="ltr" style="left: 260.883px; top: 784.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.881006);" role="presentation">sp, la biomasa de</span> <span dir="ltr" style="left: 393.117px; top: 784.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.939047);" role="presentation">H. opuntia</span> <span dir="ltr" style="left: 476.717px; top: 784.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.903921);" role="presentation">y en contenido de nitrógeno en</span> <span dir="ltr" style="left: 72.6px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.927926);" role="presentation">el</span> <span dir="ltr" style="left: 97.5505px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.88749);" role="presentation">sedimento</span> <span dir="ltr" style="left: 184.472px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.920598);" role="presentation">fue</span> <span dir="ltr" style="left: 219.634px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.870424);" role="presentation">estadísticamente</span> <span dir="ltr" style="left: 352.335px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.948857);" role="presentation">significativa.</span> <span dir="ltr" style="left: 459.037px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.930337);" role="presentation">Los</span> <span dir="ltr" style="left: 498.211px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.877307);" role="presentation">resultados</span> <span dir="ltr" style="left: 584.323px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.891407);" role="presentation">obtenidos</span> <span dir="ltr" style="left: 667.086px; top: 805.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.83505);" role="presentation">están </span><span dir="ltr" style="left: 72.6px; top: 826.808px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.903478);" role="presentation">apoyados por un análisis de regresión múltiple (r: 0.6549 p &lt; 0.01). <br></span></span></p> 2022-07-23T00:00:00+00:00 Derechos de autor https://produccioncientificaluz.org/index.php/boletin/article/view/38497 Nuevo género Suretonorpus de Venezuela (Coleoptera: Noteridae: Pronoterini). 2022-07-24T09:43:27+00:00 Mauricio García liocanthydrus@yahoo.com <p><span id="page26R_mcid22" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 564.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.952915);" role="presentation">Se describe nuevo género de coleóptero acuático Neotropical,</span> <span dir="ltr" style="left: 566.567px; top: 564.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.893897);" role="presentation">Suretonorpus,</span> <span dir="ltr" style="left: 678.8px; top: 564.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.895605);" role="presentation">con </span><span dir="ltr" style="left: 72.6px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.881094);" role="presentation">cinco especies:</span> <span dir="ltr" style="left: 188.633px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.924932);" role="presentation">Suretonorpus juangarciai</span> <span dir="ltr" style="left: 383.117px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 400.517px; top: 585.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 409.917px; top: 585.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 420.117px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.899023);" role="presentation">.,</span> <span dir="ltr" style="left: 434.317px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.907583);" role="presentation">S. llanerus</span> <span dir="ltr" style="left: 518.167px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 535.567px; top: 585.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 545.167px; top: 585.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 555.367px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.899023);" role="presentation">.,</span> <span dir="ltr" style="left: 569.567px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.871838);" role="presentation">S. obscurus</span> <span dir="ltr" style="left: 659.367px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 676.6px; top: 585.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 686.2px; top: 585.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 696.4px; top: 585.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.879479);" role="presentation">., </span><span dir="ltr" style="left: 72.6px; top: 606.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.897213);" role="presentation">S. samanus</span> <span dir="ltr" style="left: 168.633px; top: 606.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 186.033px; top: 606.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 199.633px; top: 606.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 209.833px; top: 606.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.17217);" role="presentation">. y</span> <span dir="ltr" style="left: 241.483px; top: 606.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.922687);" role="presentation">S. urapeus</span> <span dir="ltr" style="left: 332.483px; top: 606.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 349.883px; top: 606.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 363.483px; top: 606.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 373.714px; top: 606.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.0316);" role="presentation">. El nuevo taxón, fue incluido en la tribu</span> <span dir="ltr" style="left: 72.6px; top: 627.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89953);" role="presentation">Pronoterini, por el carácter pseudo triangular de la protibia con dos espuelas delgadas</span> <span dir="ltr" style="left: 72.6px; top: 648.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.988826);" role="presentation">en el margen apicodorsal, rompiendo con la considerada monotipia de la tribu.</span> <span dir="ltr" style="left: 72.6px; top: 669.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.93175);" role="presentation">Habitus</span><span dir="ltr" style="left: 130.84px; top: 669.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.909621);" role="presentation">, escleritos cefálicos como palpos y antena; esclerito ventral como proventrito</span> <span dir="ltr" style="left: 72.6px; top: 690.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.90897);" role="presentation">y apófisis proventral; escleritos de locomoción (patas) y genitales de&nbsp; ambos sexo son</span> <span dir="ltr" style="left: 72.6px; top: 711.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.929291);" role="presentation">ilustrados. Los caracteres principales del nuevo género se evidencian en el margen</span> <span dir="ltr" style="left: 72.6px; top: 733.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916393);" role="presentation">posterior redondeado de la protibia, el surco marginal lateral del pronoto y el margen</span> <span dir="ltr" style="left: 72.6px; top: 754.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89832);" role="presentation">laterodorsal dentado de las gonocoxas (en la hembra). Se construye clave que separa</span> <span dir="ltr" style="left: 72.6px; top: 775.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.924995);" role="presentation">al nuevo género</span> <span dir="ltr" style="left: 201.833px; top: 775.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.893659);" role="presentation">Suretonorpus</span> <span dir="ltr" style="left: 307.683px; top: 775.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.963797);" role="presentation">en la tribu Pronoterini y en la subfamilia Noterinae,</span> <span dir="ltr" style="left: 72.6px; top: 796.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.910132);" role="presentation">además de incluir una clave que separa las cinco especies y un mapa de distribución </span><span dir="ltr" style="left: 72.6px; top: 817.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89134);" role="presentation">en Venezuela.</span></span></p> 2022-07-23T00:00:00+00:00 Derechos de autor https://produccioncientificaluz.org/index.php/boletin/article/view/38498 Variación multitemporal de la línea de costa de la Bahía San Lucas, Baja California Sur, México y sus ambientes de playas 2022-07-24T10:24:26+00:00 Luis R. Núñez luis2bio@gmail.com Alejandro G. Matiano luis2bio@gmail.com Sandra J. Núñez luis2bio@gmail.com <p><span id="page26R_mcid38" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 487.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.926279);" role="presentation">Se determinó la variación multitemporal en la línea de costa de la Bahía San Lucas,</span></span><span id="page26R_mcid39" class="markedContent"> <span dir="ltr" style="left: 72.6px; top: 508.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916583);" role="presentation">Baja</span> <span dir="ltr" style="left: 117.551px; top: 508.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.953659);" role="presentation">California</span> <span dir="ltr" style="left: 202.872px; top: 508.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.01021);" role="presentation">Sur, México</span></span><span id="page26R_mcid40" class="markedContent"></span><span id="page26R_mcid41" class="markedContent"> <span dir="ltr" style="left: 311.283px; top: 508.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.01746);" role="presentation">y sus</span> <span dir="ltr" style="left: 366.042px; top: 508.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.875571);" role="presentation">ambientes</span> <span dir="ltr" style="left: 451.602px; top: 508.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.02344);" role="presentation">de playas. El análisis tuvo</span> <span dir="ltr" style="left: 679.467px; top: 508.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.858869);" role="presentation">una</span></span><span id="page26R_mcid42" class="markedContent"> <span dir="ltr" style="left: 72.6px; top: 529.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.981955);" role="presentation">temporalidad de veinte años (a intervalos de diez años: 2000, 2010 y 2020), se </span></span><span id="page26R_mcid43" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 550.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.921254);" role="presentation">emplearon tres imágenes satelitales LANDSAT 4</span></span><span id="page26R_mcid44" class="markedContent"><span dir="ltr" style="left: 440.117px; top: 550.525px; font-size: 18.4px; font-family: sans-serif;" role="presentation">-</span></span><span id="page26R_mcid45" class="markedContent"><span dir="ltr" style="left: 445.917px; top: 550.525px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.923859);" role="presentation">5 y 8 de alta resolución y se aplicó </span></span><span id="page26R_mcid46" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 571.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.957986);" role="presentation">el MNDWI. La extracción de la línea de costa</span></span><span id="page26R_mcid47" class="markedContent"> <span dir="ltr" style="left: 432.317px; top: 571.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.912817);" role="presentation">se realizó vectorizando directamente</span></span><span id="page26R_mcid48" class="markedContent"> <span dir="ltr" style="left: 72.6px; top: 592.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916509);" role="presentation">sobre los pixeles que se encuentran entre el límite húmedo y seco de la playa y para </span></span><span id="page26R_mcid49" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 613.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916625);" role="presentation">los análisis estadísticos se empleó el método propuesto por el Servicio Geológico de</span></span><span id="page26R_mcid50" class="markedContent"> <span dir="ltr" style="left: 72.6px; top: 634.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.897129);" role="presentation">los Estados Unidos (USGS). De los 61 transectos o</span></span><span id="page26R_mcid51" class="markedContent"><span dir="ltr" style="left: 450.117px; top: 634.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.883607);" role="presentation">rtogonales, 55 resultaron en&nbsp; estado </span></span><span id="page26R_mcid52" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 655.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.949041);" role="presentation">erosivo (90,16%) y 6 en acreción (9,84%). La tasa de punta final (EPR) mostró un</span></span><span id="page26R_mcid53" class="markedContent"> <span dir="ltr" style="left: 72.6px; top: 676.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.898794);" role="presentation">retroceso medio de la costa de (</span></span><span id="page26R_mcid54" class="markedContent"><span dir="ltr" style="left: 309.283px; top: 676.958px; font-size: 18.4px; font-family: sans-serif;" role="presentation">-</span></span><span id="page26R_mcid55" class="markedContent"><span dir="ltr" style="left: 315.083px; top: 676.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.931305);" role="presentation">) 1,2 m/año y el movimiento neto de la costa (NSM)</span></span><span id="page26R_mcid56" class="markedContent"> <span dir="ltr" style="left: 72.6px; top: 698.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.956729);" role="presentation">reveló que la mayor distancia negativa fue de (</span></span><span id="page26R_mcid57" class="markedContent"><span dir="ltr" style="left: 438.117px; top: 698.158px; font-size: 18.4px; font-family: sans-serif;" role="presentation">-</span></span><span id="page26R_mcid58" class="markedContent"><span dir="ltr" style="left: 443.917px; top: 698.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.955644);" role="presentation">) 122,9</span></span><span id="page26R_mcid59" class="markedContent"><span dir="ltr" style="left: 498.717px; top: 698.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.951244);" role="presentation">4 m reflejando una erosión</span></span><span id="page26R_mcid60" class="markedContent"> <span dir="ltr" style="left: 72.6px; top: 719.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.932827);" role="presentation">marcada en la punta suroeste de la bahía mientras que la acreción fue de 24,61 m. </span></span><span id="page26R_mcid61" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 740.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.896808);" role="presentation">También se visualizó un retroceso relativo en 6 de las 7 zonas de playas. La tendencia </span></span><span id="page26R_mcid62" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 761.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.895642);" role="presentation">erosiva de la línea de costa de la Bahía San Lucas represent</span></span><span id="page26R_mcid63" class="markedContent"><span dir="ltr" style="left: 518.567px; top: 761.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.897959);" role="presentation">a una pérdida del recurso </span></span><span id="page26R_mcid64" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.881127);" role="presentation">costero</span> <span dir="ltr" style="left: 140.165px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.881178);" role="presentation">playas.</span> <span dir="ltr" style="left: 205.926px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.863687);" role="presentation">Estos</span> <span dir="ltr" style="left: 260.096px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.897905);" role="presentation">indicadores</span> <span dir="ltr" style="left: 359.014px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.911693);" role="presentation">sirven</span> <span dir="ltr" style="left: 418.171px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">de</span> <span dir="ltr" style="left: 449.947px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.898264);" role="presentation">referencia</span> <span dir="ltr" style="left: 537.862px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.856726);" role="presentation">para</span> <span dir="ltr" style="left: 583.826px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.927926);" role="presentation">el</span> <span dir="ltr" style="left: 611.591px; top: 782.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.900485);" role="presentation">seguimiento, </span></span><span id="page26R_mcid65" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 803.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.909532);" role="presentation">planificación y gestión en políticas de manejo de los litorales.</span></span></p> 2022-07-23T00:00:00+00:00 Derechos de autor https://produccioncientificaluz.org/index.php/boletin/article/view/38499 Paracymus de Venezuela (Coleoptera: Hydrophilidae: Laccobiini), parte iv: adición de seis nuevas especies. 2022-07-24T11:08:12+00:00 Mauricio García liocanthydrus@yahoo.com <p><span id="page31R_mcid24" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 514.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.94714);" role="presentation">Se adicionan seis nuevas descripciones de especies de coleópteros acuáticos del </span><span dir="ltr" style="left: 72.6px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.871834);" role="presentation">género</span> <span dir="ltr" style="left: 136.84px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.896675);" role="presentation">Paracymus</span> <span dir="ltr" style="left: 233.683px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89889);" role="presentation">Thomson</span> <span dir="ltr" style="left: 316.851px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.899023);" role="presentation">1867,</span> <span dir="ltr" style="left: 372.438px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.862219);" role="presentation">para</span> <span dir="ltr" style="left: 418.517px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.901913);" role="presentation">Venezuela.</span> <span dir="ltr" style="left: 514.841px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.817778);" role="presentation">Se</span> <span dir="ltr" style="left: 547.427px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.879127);" role="presentation">describe</span> <span dir="ltr" style="left: 622.967px; top: 535.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.895476);" role="presentation">Paracymus </span><span dir="ltr" style="left: 72.6px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">(</span><span dir="ltr" style="left: 78.84px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.87699);" role="presentation">Escotadus</span><span dir="ltr" style="left: 154.24px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">)</span> <span dir="ltr" style="left: 166.24px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.958436);" role="presentation">barrosi</span> <span dir="ltr" style="left: 226.083px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 243.483px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 253.883px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 264.083px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.899023);" role="presentation">.,</span> <span dir="ltr" style="left: 278.883px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">P</span><span dir="ltr" style="left: 290.083px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.00844);" role="presentation">. (</span><span dir="ltr" style="left: 306.683px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.879132);" role="presentation">Escotadus</span><span dir="ltr" style="left: 382.317px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">)</span> <span dir="ltr" style="left: 394.317px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.956166);" role="presentation">gilsoni</span> <span dir="ltr" style="left: 450.117px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 467.317px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 477.717px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 487.917px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.899023);" role="presentation">.,</span> <span dir="ltr" style="left: 502.917px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">P</span><span dir="ltr" style="left: 514.117px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.00844);" role="presentation">. (</span><span dir="ltr" style="left: 530.767px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.90892);" role="presentation">E.</span><span dir="ltr" style="left: 546.567px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">)</span> <span dir="ltr" style="left: 558.567px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.925361);" role="presentation">lagoxidacius</span> <span dir="ltr" style="left: 658.167px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 675.6px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 685.8px; top: 556.325px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 696px; top: 556.325px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.899023);" role="presentation">., </span><span dir="ltr" style="left: 72.6px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">P</span><span dir="ltr" style="left: 83.8424px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.02081);" role="presentation">. (</span><span dir="ltr" style="left: 100.64px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">P</span><span dir="ltr" style="left: 111.84px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.953529);" role="presentation">.)</span> <span dir="ltr" style="left: 128.44px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.901606);" role="presentation">ovalus</span> <span dir="ltr" style="left: 182.433px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.886638);" role="presentation">sp</span><span dir="ltr" style="left: 199.633px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 210.233px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 220.433px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.899023);" role="presentation">.,</span> <span dir="ltr" style="left: 241.683px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">P</span><span dir="ltr" style="left: 252.883px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.00844);" role="presentation">. (</span><span dir="ltr" style="left: 269.283px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">E</span><span dir="ltr" style="left: 280.483px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.953529);" role="presentation">.)</span> <span dir="ltr" style="left: 297.283px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.898977);" role="presentation">tuberiasus</span> <span dir="ltr" style="left: 379.717px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 397.117px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 407.717px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 417.917px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.00743);" role="presentation">. y</span> <span dir="ltr" style="left: 443.317px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">P</span><span dir="ltr" style="left: 454.517px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.02081);" role="presentation">. (</span><span dir="ltr" style="left: 471.117px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">E</span><span dir="ltr" style="left: 482.317px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.953529);" role="presentation">.)</span> <span dir="ltr" style="left: 499.117px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.853171);" role="presentation">venezuelae</span> <span dir="ltr" style="left: 585.567px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89693);" role="presentation">sp</span><span dir="ltr" style="left: 602.967px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">.</span> <span dir="ltr" style="left: 613.567px; top: 577.558px; font-size: 18.4px; font-family: sans-serif;" role="presentation">n</span><span dir="ltr" style="left: 623.767px; top: 577.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.926415);" role="presentation">. Todas las </span><span dir="ltr" style="left: 72.6px; top: 598.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.973181);" role="presentation">especies se recolectaron utilizando dos dispositivos de muestreos en diferentes </span><span dir="ltr" style="left: 72.6px; top: 619.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.920947);" role="presentation">localidades de la región occidental (Zulia) y región de los Llanos (Apure). Se ilustran </span><span dir="ltr" style="left: 72.6px; top: 640.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916221);" role="presentation">los</span> <span dir="ltr" style="left: 99.24px; top: 640.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.90925);" role="presentation">habitus</span> <span dir="ltr" style="left: 158.24px; top: 640.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.900341);" role="presentation">y los diferentes escleritos diagnósticos de cada especie. La distribución de </span><span dir="ltr" style="left: 72.6px; top: 661.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.880929);" role="presentation">los mismos se remarca en un mapa de Venezuela.</span></span></p> 2022-07-23T00:00:00+00:00 Derechos de autor https://produccioncientificaluz.org/index.php/boletin/article/view/38501 Florística de comunidades vegetales en el área minera corregente, Bochinche, reserva forestal Imataca, cuenca del río Santa María, Estado Bolívar, Venezuela 2022-07-24T11:39:34+00:00 Wilmer A. Díaz-Pérez wildip@gmail.com Raúl E. Rivero wildip@gmail.com <p><span id="page31R_mcid14" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 608.358px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.966803);" role="presentation">En un estudio para la caracterización físico natural de las áreas afectadas por la</span> <span dir="ltr" style="left: 72.6px; top: 629.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.922414);" role="presentation">minería aluvional de oro en el estado Bolívar, se visitó el área minera Corregente en </span><span dir="ltr" style="left: 72.6px; top: 650.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.918307);" role="presentation">Bochinche, cuenca del río Santa María, en septiembre de 1993. Se inventariaron las</span> <span dir="ltr" style="left: 72.6px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.878239);" role="presentation">plantas</span> <span dir="ltr" style="left: 140.165px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">en</span> <span dir="ltr" style="left: 172.954px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.864574);" role="presentation">las</span> <span dir="ltr" style="left: 208.723px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.892716);" role="presentation">diferentes</span> <span dir="ltr" style="left: 296.491px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.883772);" role="presentation">comunidades</span> <span dir="ltr" style="left: 408.676px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.864791);" role="presentation">vegetales</span> <span dir="ltr" style="left: 492.212px; top: 671.758px; font-size: 18.4px; font-family: sans-serif;" role="presentation">a</span> <span dir="ltr" style="left: 515.801px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.00504);" role="presentation">lo</span> <span dir="ltr" style="left: 545.572px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.918277);" role="presentation">largo</span> <span dir="ltr" style="left: 598.73px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">de</span> <span dir="ltr" style="left: 631.518px; top: 671.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.863651);" role="presentation">transectos</span> <span dir="ltr" style="left: 72.6px; top: 692.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.915835);" role="presentation">multidisciplinarios que incluyeran el mayor número de unidades de interés para cada </span><span dir="ltr" style="left: 72.6px; top: 713.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.942535);" role="presentation">disciplina</span> <span dir="ltr" style="left: 155.124px; top: 713.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.890026);" role="presentation">con</span> <span dir="ltr" style="left: 192.715px; top: 713.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.01552);" role="presentation">la finalidad</span> <span dir="ltr" style="left: 293.234px; top: 713.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.989083);" role="presentation">de aportar información para</span> <span dir="ltr" style="left: 528.055px; top: 713.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916353);" role="presentation">el</span> <span dir="ltr" style="left: 552.435px; top: 713.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.954604);" role="presentation">conocimiento de</span> <span dir="ltr" style="left: 691.558px; top: 713.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.920219);" role="presentation">la</span> <span dir="ltr" style="left: 72.6px; top: 734.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.929008);" role="presentation">vegetación del área minera mediante la descripción de la composición florística y la</span> <span dir="ltr" style="left: 72.6px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.912688);" role="presentation">diversidad</span> <span dir="ltr" style="left: 163.349px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">de</span> <span dir="ltr" style="left: 194.923px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.933072);" role="presentation">la</span> <span dir="ltr" style="left: 222.487px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.906133);" role="presentation">comunidad</span> <span dir="ltr" style="left: 318.461px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.888163);" role="presentation">vegetal</span> <span dir="ltr" style="left: 385.621px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.858277);" role="presentation">presente,</span> <span dir="ltr" style="left: 465.684px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.893323);" role="presentation">tomando</span> <span dir="ltr" style="left: 544.068px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">en</span> <span dir="ltr" style="left: 575.845px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89623);" role="presentation">consideración</span> <span dir="ltr" style="left: 691.986px; top: 755.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.920219);" role="presentation">la</span> <span dir="ltr" style="left: 72.6px; top: 777.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.92216);" role="presentation">importancia</span> <span dir="ltr" style="left: 171.5px; top: 777.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.897107);" role="presentation">de las especies que la componen. Se describen dos tipos de vegetación: </span><span dir="ltr" style="left: 72.6px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.936489);" role="presentation">1)</span> <span dir="ltr" style="left: 100.568px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.880782);" role="presentation">Bosque</span> <span dir="ltr" style="left: 168.133px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.913452);" role="presentation">medio</span> <span dir="ltr" style="left: 226.295px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.885808);" role="presentation">siempreverde</span> <span dir="ltr" style="left: 337.652px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.89002);" role="presentation">con</span> <span dir="ltr" style="left: 376.642px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.900945);" role="presentation">predominancia</span> <span dir="ltr" style="left: 497.99px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">de</span> <span dir="ltr" style="left: 527.779px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.865361);" role="presentation">las</span> <span dir="ltr" style="left: 560.752px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.944978);" role="presentation">familias</span> <span dir="ltr" style="left: 632.31px; top: 798.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.834612);" role="presentation">Fabaceae,</span> <span dir="ltr" style="left: 72.6px; top: 819.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.871538);" role="presentation">Rubiaceae,</span> <span dir="ltr" style="left: 167.139px; top: 819.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.867386);" role="presentation">Arecaceae,</span> <span dir="ltr" style="left: 261.255px; top: 819.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.87733);" role="presentation">Annonaceae,</span> <span dir="ltr" style="left: 369.815px; top: 819.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.878224);" role="presentation">Orchidaceae,</span> <span dir="ltr" style="left: 479.148px; top: 819.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.896873);" role="presentation">Bromeliaceae,</span> <span dir="ltr" style="left: 598.049px; top: 819.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.863786);" role="presentation">Pteridaceae</span> <span dir="ltr" style="left: 696.286px; top: 819.208px; font-size: 18.4px; font-family: sans-serif;" role="presentation">y</span> <span dir="ltr" style="left: 72.6px; top: 840.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.967193);" role="presentation">Polypodiaceae, 2) Matorral, donde las familias predominantes fueron Fabaceae,</span> <span dir="ltr" style="left: 72.6px; top: 861.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.940544);" role="presentation">Cyperaceae y Asteraceae. De manera general, las familias con mayor cantidad de</span> <span dir="ltr" style="left: 72.6px; top: 882.608px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.919906);" role="presentation">especies fueron Fabaceae (16), Orchidaceae (11), Rubiaceae (9), Bromeliaceae (6),</span> <span dir="ltr" style="left: 72.6px; top: 903.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.926533);" role="presentation">Arecaceae y Polypodiaceae (5 cada una), Annonaceae y Cyperaceae (4 cada una). </span><span dir="ltr" style="left: 72.6px; top: 924.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.974913);" role="presentation">Los géneros con mayor cantidad de especies fueron</span> <span dir="ltr" style="left: 500.117px; top: 924.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.937553);" role="presentation">Inga</span> <span dir="ltr" style="left: 543.967px; top: 924.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.940099);" role="presentation">(5),</span> <span dir="ltr" style="left: 580.167px; top: 924.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.84149);" role="presentation">Senna</span><span dir="ltr" style="left: 624.967px; top: 924.601px; font-size: 18.4px; font-family: sans-serif;" role="presentation">,</span> <span dir="ltr" style="left: 639.767px; top: 924.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.889431);" role="presentation">Cyperus</span><span dir="ltr" style="left: 700.8px; top: 924.601px; font-size: 18.4px; font-family: sans-serif;" role="presentation">,</span> <span dir="ltr" style="left: 72.6px; top: 945.801px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.866582);" role="presentation">Aechmea</span><span dir="ltr" style="left: 140.04px; top: 945.801px; font-size: 18.4px; font-family: sans-serif;" role="presentation">,</span> <span dir="ltr" style="left: 154.64px; top: 945.801px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.919369);" role="presentation">Adiantum</span> <span dir="ltr" style="left: 236.083px; top: 945.801px; font-size: 18.4px; font-family: sans-serif;" role="presentation">y</span> <span dir="ltr" style="left: 255.083px; top: 945.801px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.943855);" role="presentation">Microgramma</span> <span dir="ltr" style="left: 366.283px; top: 945.801px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.871866);" role="presentation">(con 3 cada una). Fabaceae se encuentra entre</span> <span dir="ltr" style="left: 72.6px; top: 966.801px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.88734);" role="presentation">las familias predominantes en ambos los tipos de vegetación. Por ser un área dedicada </span><span dir="ltr" style="left: 72.6px; top: 988.001px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.894096);" role="presentation">a la minería las comunidades vegetales están muy alteradas, lo que se ha</span> <span dir="ltr" style="left: 617.767px; top: 988.001px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.893723);" role="presentation">reflejado en</span></span> <span id="page34R_mcid10" class="markedContent"><span dir="ltr" style="left: 72.6px; top: 199.875px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.898792);" role="presentation">a formación de matorrales en diferentes estados sucesionales. Se presenta un listado</span> <span dir="ltr" style="left: 72.6px; top: 220.875px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.887674);" role="presentation">de las especies inventariadas en los tipos de vegetación encontrados. </span></span></p> 2022-07-23T00:00:00+00:00 Derechos de autor https://produccioncientificaluz.org/index.php/boletin/article/view/38503 Melongena melongena (Linnaeus, 1758) en el sistema lagunar de Bocaripo, nororiente de Venezuela 2022-07-24T12:24:51+00:00 Erickxander Jiménez-Ramos boletincib@gmail.com Jaime Frontado-Salmerón boletincib@gmail.com Lederle Hernández-Otero boletincib@gmail.com Vanessa Acosta-Balbás boletincib@gmail.com <p><span id="page26R_mcid76" class="markedContent"><span dir="ltr" style="left: 76.04px; top: 656.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.897976);" role="presentation">El gasterópodo</span> <span dir="ltr" style="left: 192.233px; top: 656.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.898099);" role="presentation">Melongena melongena</span> <span dir="ltr" style="left: 365.483px; top: 656.558px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.885182);" role="presentation">representa un recurso pesquero explotable</span> <span dir="ltr" style="left: 76.04px; top: 677.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.936254);" role="presentation">en el nororiente de Venezuela y del cual se tiene muy poca información a nivel</span> <span dir="ltr" style="left: 76.04px; top: 698.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.907475);" role="presentation">biológico, ecológico y pesquero. En este estudio, se evaluó bimestralmente entre</span> <span dir="ltr" style="left: 76.04px; top: 719.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.952965);" role="presentation">febrero y junio (2018) la estructura poblacional de</span> <span dir="ltr" style="left: 468.917px; top: 719.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.920876);" role="presentation">M. melongena</span><span dir="ltr" style="left: 576.367px; top: 719.758px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.903985);" role="presentation">, en sustratos</span> <span dir="ltr" style="left: 76.04px; top: 740.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.921477);" role="presentation">someros asociados al mangle negro (</span><span dir="ltr" style="left: 358.883px; top: 740.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.926225);" role="presentation">Avicennia germinans</span><span dir="ltr" style="left: 516.717px; top: 740.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.933818);" role="presentation">) del sistema lagunar</span> <span dir="ltr" style="left: 76.04px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.92576);" role="presentation">Bocaripo,</span> <span dir="ltr" style="left: 160.84px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">en</span> <span dir="ltr" style="left: 191.033px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.916365);" role="presentation">el</span> <span dir="ltr" style="left: 217.014px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.925604);" role="presentation">Nororiente</span> <span dir="ltr" style="left: 309.345px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">de</span> <span dir="ltr" style="left: 339.319px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.901913);" role="presentation">Venezuela.</span> <span dir="ltr" style="left: 434.245px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.817778);" role="presentation">Se</span> <span dir="ltr" style="left: 465.433px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.88394);" role="presentation">establecieron</span> <span dir="ltr" style="left: 574.968px; top: 761.958px; font-size: 18.4px; font-family: sans-serif;" role="presentation">4</span> <span dir="ltr" style="left: 596.956px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.885864);" role="presentation">puntos</span> <span dir="ltr" style="left: 658.725px; top: 761.958px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.838784);" role="presentation">de</span> <span dir="ltr" style="left: 76.04px; top: 783.158px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.94104);" role="presentation">muestreos, en los cuales se estimó la abundancia, biometría y biomasa de los</span> <span dir="ltr" style="left: 76.04px; top: 804.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.966801);" role="presentation">ejemplares recolectados dentro de cuadrantes de 2x2 m</span><span dir="ltr" style="left: 520.167px; top: 800.967px; font-size: 11.6px; font-family: sans-serif;" role="presentation">2</span> <span dir="ltr" style="left: 534.567px; top: 804.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(1.02567);" role="presentation">(2 por punto). Se</span> <span dir="ltr" style="left: 76.04px; top: 825.208px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.923144);" role="presentation">cuantificó un total de 216 ejemplares, de los cuales el 98 % presentó tallas ente</span> <span dir="ltr" style="left: 76.04px; top: 846.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.931187);" role="presentation">11-57 mm, con una longitud promedio de 22,34 ± 8,3 mm y un ancho promedio</span> <span dir="ltr" style="left: 76.04px; top: 867.408px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.950892);" role="presentation">de 12,63 ± 4,6 mm. Las variables biométricas analizadas registraron cambios </span><span dir="ltr" style="left: 76.04px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.859585);" role="presentation">mensuales</span> <span dir="ltr" style="left: 164.36px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.944076);" role="presentation">significativos,</span> <span dir="ltr" style="left: 279.489px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.895605);" role="presentation">con</span> <span dir="ltr" style="left: 318.074px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.877412);" role="presentation">mayores</span> <span dir="ltr" style="left: 392.023px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.891824);" role="presentation">valores</span> <span dir="ltr" style="left: 456.754px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.848678);" role="presentation">en</span> <span dir="ltr" style="left: 485.937px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.927926);" role="presentation">el</span> <span dir="ltr" style="left: 511.292px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.843616);" role="presentation">mes</span> <span dir="ltr" style="left: 552.655px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.838792);" role="presentation">de</span> <span dir="ltr" style="left: 581.635px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.963435);" role="presentation">junio.</span> <span dir="ltr" style="left: 635.989px; top: 888.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.876131);" role="presentation">Estos</span> <span dir="ltr" style="left: 76.04px; top: 909.601px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.959373);" role="presentation">resultados generan una información base sobre la cual se podrán establecer </span><span dir="ltr" style="left: 76.04px; top: 930.801px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.885614);" role="presentation">estrategias de manejo y protección de</span> <span dir="ltr" style="left: 356.083px; top: 930.801px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.900146);" role="presentation">M. melongena</span> <span dir="ltr" style="left: 465.717px; top: 930.801px; font-size: 18.4px; font-family: sans-serif; transform: scaleX(0.896076);" role="presentation">en la laguna de Bocaripo.</span></span></p> 2022-07-23T00:00:00+00:00 Derechos de autor