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Response of the shrimp population in the Upper Gulf of California to fluctuations in discharges of the Colorado River

Response of the shrimp population in the Upper Gulf of California to fluctuations in discharges... RESPONSE OF THE SHRIMP POPULATION IN THE UPPER GULF OF CALIFORNIA TO FLUCTUATIONS IN DISCHARGES OF THE COLORADO RIVER BY ESTEBAN M. PÉREZ-ARVIZU 1 ) , E. ALBERTO ARAGÓN-NORIEGA 2,3 ) and LETICIA ESPINOSA CARREON 1 ) 1 ) Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional, Unidad Sinaloa, Blvd Juan de Dios Batiz Paredes # 250, Guasave, Sinaloa 81101, Mexico 2 ) Centro de Investigaciones Biológicas del Noroeste, Unidad Sonora, Km 2.35 Camino al Tular, Estero de Bacochibampo, Guaymas, Sonora 85454, Mexico ABSTRACT Since 1935, the freshwater discharge from the Colorado River into the Gulf of California has decreased drastically, affecting the biological cycles of endemic species and other endangered species. In this study, a relationship was determined between the Colorado River freshwater discharge, the abundance of blue shrimp, Litopenaeus stylirostris (Stimpson, 1874) postlarvae, and the density of adult shrimp in the Upper Gulf of California (UGC). Data on Colorado River flow from 1904 to 2002, blue shrimp postlarvae from 1993 to 1997, and records of daily catches from pangas (small boats) of the commercial fleet operating in UGC from 1995 to 2002, were analysed. Catch per unit effort (CPUE) was used as a measure of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crustaceana Brill

Response of the shrimp population in the Upper Gulf of California to fluctuations in discharges of the Colorado River

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References (12)

Publisher
Brill
Copyright
© 2009 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0011-216x
eISSN
1568-5403
DOI
10.1163/156854009X404789
Publisher site
See Article on Publisher Site

Abstract

RESPONSE OF THE SHRIMP POPULATION IN THE UPPER GULF OF CALIFORNIA TO FLUCTUATIONS IN DISCHARGES OF THE COLORADO RIVER BY ESTEBAN M. PÉREZ-ARVIZU 1 ) , E. ALBERTO ARAGÓN-NORIEGA 2,3 ) and LETICIA ESPINOSA CARREON 1 ) 1 ) Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional, Unidad Sinaloa, Blvd Juan de Dios Batiz Paredes # 250, Guasave, Sinaloa 81101, Mexico 2 ) Centro de Investigaciones Biológicas del Noroeste, Unidad Sonora, Km 2.35 Camino al Tular, Estero de Bacochibampo, Guaymas, Sonora 85454, Mexico ABSTRACT Since 1935, the freshwater discharge from the Colorado River into the Gulf of California has decreased drastically, affecting the biological cycles of endemic species and other endangered species. In this study, a relationship was determined between the Colorado River freshwater discharge, the abundance of blue shrimp, Litopenaeus stylirostris (Stimpson, 1874) postlarvae, and the density of adult shrimp in the Upper Gulf of California (UGC). Data on Colorado River flow from 1904 to 2002, blue shrimp postlarvae from 1993 to 1997, and records of daily catches from pangas (small boats) of the commercial fleet operating in UGC from 1995 to 2002, were analysed. Catch per unit effort (CPUE) was used as a measure of

Journal

CrustaceanaBrill

Published: Jan 1, 2009

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