Amazon fisheries I - Variations in the relative abundance of tambaqui 
(Colossoma macropomum CUVIER, 1818) based on catch and effort data of the 
gill-net fisheries

Petrere Jr., Miguel

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Amazon fisheries I - Variations in the relative abundance of tambaqui (Colossoma macropomum CUVIER, 1818) based on catch and effort data of the gill-net fisheries

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Citation

Petrere Jr., M. (1986). Amazon fisheries I - Variations in the relative abundance of tambaqui (Colossoma macropomum CUVIER, 1818) based on catch and effort data of the gill-net fisheries. Amazoniana: Limnologia et Oecologia Regionalis Systematis Fluminis Amazonas, 9(4), 527-547.

Cite as: https://hdl.handle.net/21.11116/0000-0004-76B7-9

Abstract

In this paper, the application of the analysis of covariance on catch and effort data from seven
lakes located at different distances, shows that the adjusted mean catches which are calculated discounting the effect of the average fishing effort increase as further is the lake from Manaus. These results
are discussed according to the fishing strategy employed by fishermen.