AVANÇOS EM MÉTODOS DE COLETA DE PEIXES E CARACTERIZAÇÃO DE HABITAT DE RIACHOS TROPICAIS
DOI:
https://doi.org/10.4257/oeco.2021.2502.03Keywords:
biological samples preparation, biotic integrity, electrofishing, ictioplankton, sampling sufficiency.Abstract
O presente estudo mostra os avanços obtidos na coleta de peixes e caracterização ambiental de riachos. Desde a publicação em 1999 do volume VI “Ecologia de Peixes de Riachos”, da então denominada Oecologia Brasiliensis, hoje Oecologia Australis, vários progressos ocorreram. Diversos métodos de coleta de peixes propriamente ditos, permaneceram os mesmos. Porém, em relação ao uso da pesca elétrica, coleta de ovos e larvas de peixes, e caracterização de habitat físicos em riachos, houve notável desenvolvimento e aperfeiçoamento. O objetivo deste artigo é apresentar o “estado da arte” destes aspectos da amostragem de peixes e habitat em riachos. Métodos de preparo de amostras para análises genéticas, isótopos estáveis e metais pesados são apresentados resumidamente ao final.
ADVANCES IN METHODS FOR FISH SAMPLING AND HABITAT ASSESSMENT IN TROPICAL STREAMS: This paper brings some advances in fish data sampling and stream environments. Since the publication in 1999 of volume VI “Ecology of Stream Fishes” in the former Oecologia Brasiliensis journal, today Oecologia Australis, several progresses have occurred. Several methods of collecting fish themselves, have remained the same. However, in relation to the use of electric fishing, collection of eggs and fish larvae, and characterization of physical habitats in streams, there was remarkable development and improvement. The purpose of this article is to present the “state of the art” of these three aspects of sampling fish and habitats in streams. By the end, preparation methods of samples for genetic, stable isotopes and heavy metal analyses are briefly presented.References
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