L. P. de Oliveira, R. S. da Silva, L. Virgilio, F. Corrêa, Lisandro J. Soares Vieira
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Allometric relationships of six fish species of the order Characiformes in oxbow lakes on the floodplain of the middle Purus river, Amazon
A�������. The length-weight relationship (LWR) was estimated for six fish species of the order Characiformes: Curimatella meyeri , Hoplias malabaricus , Potamorhina altamazonica , Potamorhina latior , Pygocentrus na�ereri , Schizodon fasciatus , collected from oxbow lakes on the floodplain of the middle Purus River in western Brazilian Amazonia. The specimens were collected in January, May, and September 2012, during both diurnal and nocturnal periods. Allometric coefficients (b) for the studied species ranged between 2.98 and 3.34. The correlation coefficients for the LWR (r²) ranged between 0.954 and 0.993. The data presented here provide important insights for the development of effective measures for the conservation and management of the study species.
期刊介绍:
Ecología Austral is the scientific journal published by the Ecological Society of Argentina, that is distributed for free among regular members. It publishes original scientific articles in any branch of the environmental sciences. The articles, in Spanish, English or Portuguese, can be results of original and unpublished scientific research, reviews and updates that summarize the current state of the art on a certain subject, points of view on theory and/or methods in ecology, and teaching aids to be used as supporting reading for students. Manuscripts are peer reviewed by two experts and the revision process is completed within three months after submission and published between two and six month after final acceptance.