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NÚMERO 2

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Bycatch of the squat lobster Munida gregaria in bottom trawl fisheries in San Jorge Gulf, Argentina

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Diatom species diversity in the diet of healthy and sick specimens of adult Haliotis fulgens and Haliotis corrugata

Nutritional condition and gonad development of juvenile and subadult California spiny lobster Panulirus interruptus in two habitats

Autores

CORRESPONSAL

Elisa Serviere-Zaragoza

serviere04@cibnor.mx

1

1

Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Calle IPN 195, La Paz, B.C.S. 23096, México

Oswaldo U. Rodríguez-García

1

1

Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Calle IPN 195, La Paz, B.C.S. 23096, México

Verónica Castañeda-Fernández de Lara

2

2

Centro Regional de Investigación Pesquera (CRIP), La Paz-INAPESCA, Carretera a Pichilingue Km 1, La Paz, B.C.S. 23020, México

Carmen Rodríguez-Jaramillo

1

1

Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Calle IPN 195, La Paz, B.C.S. 23096, México

Resumen

The nutritional condition of juveniles and subadults of the California spiny lobster (Panulirus interruptus) from 2 sites along the west coast of the Baja California Peninsula, near each other but with contrasting environmental conditions were compared. The northern site presents subtropical environmental conditions and the southern has semi-temperate. The hepatosomatic and blood refractive indices and proteins, lipids, and carbohydrates from the hepatopancreas in 62 lobsters were assayed. Gonad development of the lobsters between the 2 sites was compared. The hepatosomatic index and lipids of the lobsters at each site were different. The nutritional condition indices are affected by gonad development tied to the reserves needed for maturation of the gonads. Nutritional condition and gonad development are strongly related to environmental conditions. This is key to efforts in spiny lobster fishery management.

Palabras clave

Lobster, Panulirus interruptus, reproduction, nutritional condition, Baja California Peninsula

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