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Registros recuperados: 4
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Disjoint geographical distribution of intertidal and nearshore benthic invertebrates in the Southern Hemisphere RChHN
CASTILLA,JUAN C; GUIÑEZ,RICARDO.
Biogeographical explanations for the extant and paleo disjoint geographical distribution in the southern hemisphere of five species of nearshore marine benthic invertebrates: Gaimardia trapesina, Ostrea chilensis, Pyura stolonifera taxonomic complex, Aulacomya ater and Concholepas concholepas, showing distinctive reproductive strategies and early life history characteristics are reviewed and analyzed. Through the use of published and new information we contrasted the following hypotheses: a) vicariance-historical process, b) epiplanktonic larval dispersal, c) juvenile/adult dispersal through rafting and d) planned or accidental anthropogenic dispersal mechanisms. The juvenile/adult transoceanic dispersal hypothesis by rafting was the only one impossible to...
Tipo: Journal article Palavras-chave: Paleobiogeography; Vicariance; Larval dispersal; Rafting; Anthropogenic dispersal; Bivalves; Gastropods; Tunicates; Invertebrates; Nearshore; Southern hemisphere.
Ano: 2000 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400004
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Dos especies nuevas dedicadas al Dr. Patricio Sánchez R RChHN
CASTILLA,JUAN C.
Tipo: Journal article
Ano: 2000 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2000000400009
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Long-term monitoring of coastal ecosystems at Las Cruces, Chile: Defining baselines to build ecological literacy in a world of change RChHN
NAVARRETE,SERGIO A; GELCICH,STEFAN; CASTILLA,JUAN C.
Marine coastal habitats are being increasingly impacted by human activities. In addition, there are dramatic climatic disruptions that could generate important and irreversible shifts in coastal ecosystems. Long-term monitoring plays a fundamental and irreplaceable role to establish general baselines from which we can better address current and future impacts and distinguish between natural and anthropogenic changes and fluctuations. Here we highlight how over 25 years of monitoring the coastal marine ecosystem within the no-take marine protected area of Las Cruces has provided critical information to understand ecological baselines and build the necessary ecological literacy for marine management and conservation. We argue that this understanding can only...
Tipo: Journal article Palavras-chave: Community structure; Conservation; Keystone species; Marine reserves; Policy.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2010000100008
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Los patelogastrópodos intermareales de Chile y Perú RChHN
ESPOZ,CARMEN; LINDBERG,DAVID R; CASTILLA,JUAN C; BRIAN SIMISON,W.
En este estudio se entrega un sistema de clasificación que refleja las relaciones de parentesco, inferidas a partir del análisis de la región 16S de ADN mitocondrial, de los patelogastrópodos que habitan en la zona intermareal a lo largo de la costa rocosa de Chile y Perú. Además, se incluye el análisis comparativo de estos patelogastrópodos en relación con la estructura, la morfología y los patrones de color de la concha, los dientes de la rádula y la anatomía corporal. Adicionalmente, se entrega información respecto de la distribución y ecología para todos los miembros de este grupo. Los resultados muestran que la fauna Lottiidae de Chile y Perú consiste en al menos nueve especies de patelogastrópodos intermareales. Esto es, ocho especies de...
Tipo: Journal article Palavras-chave: Patellogastropoda; Intermareal rocoso; Chile; Perú; Filogenia; Ecología.
Ano: 2004 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2004000200006
Registros recuperados: 4
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