Macrophyte islands as an experimental model: new perspectives and a step-by-step protocol to access assumptions of Island Biogeography theory and habitat fragmentation

Autores

  • Tiago Henrique da Silva Pires Programa de Pós-Graduação em Biologia de Água Doce e Pesca Interior, Instituto Nacional de Pesquisas da Amazônia. Avenida André Araújo, 2936 – Bairro: Aleixo – Cx. Postal: 478 – CEP: 69.060 – 001, Manaus, AM, Brasil.
  • Sergio Santorelli Junior Instituto de Educação, Agricultura e Ambiente, Universidade Federal do Amazonas – Campus Vale do Rio Madeira. Rua 29 de Agosto, 786 – Centro – Humaitá/AM – CEP:69800-000
  • Gabriel Henrique de Mendonça Cardoso Programa de Pós-Graduação em Biologia de Água Doce e Pesca Interior, Instituto Nacional de Pesquisas da Amazônia. Avenida André Araújo, 2936 – Bairro: Aleixo – Cx. Postal: 478 – CEP: 69.060 – 001, Manaus, AM, Brasil.
  • Alexandro Cezar Florentino Programa de Pós-Graduação em Ciências Ambientais, Universidade Federal do Amapá, Rod. Josmar Chaves Pinto, km 02 - Jardim Marco Zero, Macapá - AP, 68903-419
  • Thatyla Luana Beck Farago Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia. Avenida André Araújo, 2936 – Bairro: Aleixo – Cx. Postal: 478 – CEP: 69.060 – 001, Manaus, AM, Brasil.
  • Julia Tovar Verba Ludwig Maximilian University of Munich

DOI:

https://doi.org/10.5380/abp.v52i1.88744

Palavras-chave:

Neotropical fishes, Ecology of fishes, Amazon fishes, Metacommunity ecology.

Resumo

To evaluate whether artificially built macrophyte islands could be used as a short-term and cost-effective experimental model for the study of island biogeography and habitat fragmentation, 20 islands of two different sizes were built and fishes were sampled. Habitat complexity and source-island distance were standardized. A macrophyte bank 200 times larger than the islands was used as a source of individuals. The results show that, in four days, several fish species colonized both small and large islands. After four days, larger islands bore significantly more species than smaller ones. We raise the caveats and new perspectives for studies using this methodology, which can be largely applicable due to its cost-effectiveness in terms of materials, short time required, and flexibility.

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Publicado

2023-03-28

Como Citar

da Silva Pires, T. H., Santorelli Junior, S., de Mendonça Cardoso, G. H., Cezar Florentino, A., Beck Farago, T. L., & Tovar Verba, J. (2023). Macrophyte islands as an experimental model: new perspectives and a step-by-step protocol to access assumptions of Island Biogeography theory and habitat fragmentation. Acta Biológica Paranaense, 52(1), 1–9. https://doi.org/10.5380/abp.v52i1.88744

Edição

v. 52 (2023)

Seção

Artigos originais (Original Articles)

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