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Bioecologia de crustáceos decápodos, braquiúros, no sistema baía-estuário de Santos e São Vicente, SP: 1. ocorrência e composição

1988; UNIVERSIDADE DE SÃO PAULO; Volume: 36; Issue: 1-2 Linguagem: Inglês

10.1590/s1679-87591988000100006

ISSN

1982-436X

Autores

Plínio Soares Moreira, Alfredo Martins Paiva Filho, Cristina Marie Okida, João Marcos Miragaia Schmiegelow, R. Giannini,

Tópico(s)

Fish biology, ecology, and behavior

Resumo

The pr esent work was developed f r om ,June 1985 to May 1986.Mont hly sampling was perfor med in estuarine and coastal adjacent habitats.Samples were collected using bottom trawl~ beach seine and bottom pots .Fourt een s pecie s (6~538 individuals) of decapod brachyurans wer e ide n tified~ being Catti~ect~ da~ae the most abundant in all habitats ~ f ollowed by C. ~a~id~ and Po~u~~ ~~i~ma~~.Bo ttom tra1Jling pr ove to be t he mor e e ffi cient fi shing gearycaughting fourteen species~ while beach seine caught eight speci es and estuar i ne catches~ using bottom po t s~ wer e constituted by f i ve specie8 ~ a ll of them be longing to the genus Ca11i~e~~~.The number of f emale s was higher t han male s for all dominant species~ and gene rally~ t his number was higher mainly at bay region than at beach and estuarine habitats .The growing of to tal catches during spr ing-summer mont hs may be correlat ed wi th warmer waters and r eproduction patt erns .Data on s pecies composi t ion~ occurre nc e ~ abundance~ hydrographic parame t er s and samp ling methods ar e pr e sented.

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