Spatial and temporal variation in population structure of Hemigrammus marginatus (Characiformes: Characidae) in streams of the Ivinhema River Basin, Brazil

Spatial and temporal variation in population structure of Hemigrammus marginatus (Characiformes: Characidae) in streams of the Ivinhema River Basin, Brazil

The present study has assessed spatial and temporal variations in the length structure of Hemigrammus marginatus Ellis, 1911 and estimated growth parameters for the species. Sampling was carried out in five streams in the Vitória and Piravevê sub-basins of the Ivinhema River from January to December...

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Bibliographic Details
Main Authors: Luzia da Silva Lourenço, Izaias Médice Fernandes, Yzel Rondon Súarez
Format: Article
Language:English
Published: Sociedade Brasileira de Zoologia 2012-08-01
Series:Zoologia (Curitiba)
Subjects:
Age
growth
mortality
recruitment
weight-length relationship
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702012000400003

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