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The influence of environmental variables in the reproductive performance of Macrobrachium amazonicum (Heller, 1862) (Caridea: Palaemonidae) females in a continental population Anais da ABC (AABC)
PANTALEÃO,JOÃO ALBERTO F.; CARVALHO-BATISTA,ABNER; TEODORO,SARAH S.A.; COSTA,ROGÉRIO C..
ABSTRACT Macrobrachium amazonicum is a commercially important freshwater prawn with a high degree of reproductive plasticity. The species is classified into two groups: coastal populations, with larger individuals exhibiting high fecundity and needing brackish water for larval development; and continental populations, with smaller specimens exhibiting low fecundities and completing metamorphosis in freshwater. The objective of this study was to investigate the influence of environmental factors in the fecundity, egg size and volume, and reproductive output in females of M. amazonicum from a continental population during a two-year period. We also compared our results with those obtained for other continental and coastal populations. Reproductive parameters...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon river prawn; Shrimp; Tietê; Abiotic factors; Reproductive output.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000401445
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