Experiencia de pesca artesanal de pejerrey Odontesthes bonariensis

Fabián Grosmann, Pablo Sanzano


Pejerrey Odontesthes bonariensis artisanal fishery: an experience. Pejerrey artisanal fishery  consists in catching fish with gill nets for future sale and human consumption. Although it has historically  been practiced in pampasic lagunas, there are very few records on the topic, highlighted by several  clandestine aspects that surround the activity. The aim of the paper is to show the results of an artisanal  fishery experience in a pampasic laguna. A previous sampling was carried out in order to obtain the main  demographic parameters of pejerrey. Between May 1999 and August 2000, 45 ichthyologic samplings  with experimental gill nets were put into practice, considering the adaptative management concept. The  mean cpue was 582 and 475.1 kg/24 h/500 m, whereas the annual harvest was 6,402 kg and 16,156 kg for  the first and second year, respectively. The yield was 16 and 40 kg/ha/year for 1999 and 2000  respectively. The experience gives and reveals information on an activity of difficult access and/or  generally hidden.  Key words: laguna, pejerrey, artisanal fishery, age, growth, demographics parameters.

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