Short-term Impacts of Fish Removal from Small Amazonian Forest Streams

Authors

  • Helder M.V. Espírito-Santo,

    1. Programa de Pós-Graduação em Ecologia, Instituto Nacional de Pesquisas da Amazônia, Av. André Araújo, 2936, Aleixo, Cx. Postal 478, 69060 001 Manaus, AM, Brazil
    Search for more papers by this author
  • William E. Magnusson,

    1. Coordenação de Pesquisas em Ecologia, Instituto Nacional de Pesquisas da Amazônia, Av. André Araújo, 2936, Aleixo, Cx. Postal 478, 69060 001 Manaus, AM, Brazil
    Search for more papers by this author
  • Jansen Zuanon,

    1. Coordenação de Pesquisas em Biologia Aquática, Instituto Nacional de Pesquisas da Amazônia, Av. André Araújo, 2936, Aleixo, Cx. Postal 478, 69060 001 Manaus, AM, Brazil
    Search for more papers by this author
  • Thaise Emilio

    1. Programa de Pós-Graduação em Ecologia, Instituto Nacional de Pesquisas da Amazônia, Av. André Araújo, 2936, Aleixo, Cx. Postal 478, 69060 001 Manaus, AM, Brazil
    Search for more papers by this author

ABSTRACT

Collecting freshwater zoological material for research purposes is common and necessary, but its impact on biological communities is often overlooked. We tested the impacts of a conventional ichthyological collection in small forest streams and showed that fish assemblages recover after a few months. We highlight ecological traits and habitat characteristics that might exacerbate the impacts of repeated removal of fish in long-term investigations, and advocate for the use of a capture-release approach whenever possible.

Ancillary