Changes of macrobenthos composition under different ENSO cycle conditions on the continental shelf off central Chile |
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| Authors: | Javier Sellanes Eduardo Quiroga Carlos Neira Dimitri Gutiérrez |
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| Institution: | 1. Universidad Católica del Norte, Facultad de Ciencias del Mar, Larrondo 1281, Coquimbo, Chile;2. Centro de Investigación Oceanográfica en el Pacífico Sur Oriental (COPAS), Universidad de Concepción, Chile;3. Centro de Investigación en Ecosistemas de la Patagonia (CIEP), Bilbao 449, Coyhaique, Chile;4. Integrative Oceanography Division, Scripps Institution of Oceanography, 9500 Gilman Drive, La Jolla, CA 92093-0218, USA;5. Dirección de Investigaciones Oceanográficas, Instituto del Mar del Perú, P.O. Box 22, Callao, Perú |
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| Abstract: | The course of environmental conditions and shelf macrobenthic communities off Central Chile (∼36°S) during the strong 1997–98 El Niño (EN) event is compared with a subsequent and basically “normal” period (2002–2003). Changes in macrofaunal community, feeding mode structure, and biomass size spectra are contrasted over time with changes in oceanographic and sediment settings, in order to assess intra- and inter-annual changes in faunal composition during both ENSO periods. |
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| Keywords: | Macrobenthos Feeding modes Deposit-feeders Biomass size spectra ENSO Central Chile |
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