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Campo DC | Valor | Lengua/Idioma |
---|---|---|
dc.contributor.author | Arreguín Sánchez, Francisco | - |
dc.contributor.author | Manickchand-Heileman, S. | - |
dc.date.accessioned | 2013-02-15T23:04:40Z | - |
dc.date.available | 2013-02-15T23:04:40Z | - |
dc.date.issued | 1998 | - |
dc.identifier.issn | 0022-1112 | - |
dc.identifier.uri | http://www.repositoriodigital.ipn.mx/handle/123456789/13014 | - |
dc.description.abstract | The trophic role of snappers was evaluated on the continental shelves of the south-western Gulf of Mexico and the Yucatan in the south-eastern Gulf of Mexico. Mass-balanced, steady-state trophic models of the two ecosystems were constructed with Ecopath and perturbations were simulated in the ecosystems with Ecosim by increasing fishing mortality. Impacts were measured by changes in biomass of snappers and other groups, and in some indices of stability: persistence, recovery time and resilience. The snapper populations differed between ecosystems. The western Gulf of Mexico system appeared more complex and more stable than the Continental Shelf of Yucatan. Although overall stability indices between ecosystem suggested a similar structure and function, there were clear differences at a group level. Correlation of stability attributes between groups suggested differences in the role of snappers between the ecosystems suggesting that each stock should be managed individually. | es |
dc.description.sponsorship | Instituto Politécnico Nacional (IPN). Centro Interdisciplinario de Ciencias Marinas | es |
dc.language.iso | en | es |
dc.publisher | Journal of Fish Biology | es |
dc.subject | Snapper | es |
dc.subject | simulation | es |
dc.subject | Gulf of Mexico | es |
dc.subject | Trophic model | es |
dc.subject | stability | es |
dc.title | The trophic role of lutjanid fish and impacts of their fisheries in two ecosystems in the Gulf of Mexico | es |
dc.type | Article | es |
dc.description.especialidad | Ciencias marinas | es |
dc.description.tipo | es | |
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Arreguín_Sánchez_Francisco_1998_Journal_of_Fish_Biology_95.pdf | 54.21 kB | Adobe PDF | Visualizar/Abrir |
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