Can differences between continental and insular habitats influence the parasites communities associated with the endemic frogHaddadus binotatus?

Autor(es)

Aguiar, A. ^[1] ; Morais, D. H. ^[2] ; Yamada, F. H. ^[3] ; dos Anjos, L. A. ^[4] ; da Silva, L. A. F. ^[5] ; da Silva, R. J. ^[5]

Afiliação do(s) autor(es)

^[1] UNESP Rio Claro, Inst Biociencias, Dept Biodiversidade, Lab Herpetol, Ave 24 A, 1515 Jardim Vila Bela, BR-13506900 Sao Paulo - Brazil

^[2] Univ Fed Uberlandia UFU, Inst Ciencias Agr, LMG 746, Km 1, BR-38500000 Monte Carmelo, MG - Brazil

^[3] Univ Reg Cariri URCA, Dept Ciencias Biol, Campus Pimenta, Rua Cel Antonio Luis 1161, BR-63105000 Crato, Ceara - Brazil

^[4] Univ Estadual Paulista UNESP, Fac Engn Ilha Solteira, Dept Biol & Zootecnia, Passeio Moncao 226, BR-15385000 Sao Paulo - Brazil

^[5] Univ Estadual Paulista UNESP, Inst Biociencias, Setor Parasitol, Lab Parasitol Anim Silvestres LAPAS, Rua Prof Dr Antonio Celso Wagner Zanin S-N, BR-18618689 Botucatu, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: JOURNAL OF HELMINTHOLOGY; v. 94, 2020.
• Citações Web of Science: 0

Resumo

Habitats characterized by geographic isolation such as islands have been studied using different organisms as models for understanding the dynamic and insular patterns of biodiversity. Determinants of parasite richness in insular host populations have been conducted mainly with mammals and birds, showing that parasite richness decreases in insular areas. In the present study, we predicted that the type of environment (insular or continental) can influence the richness, diversity and abundance of parasites associated with the endemic frogHaddadus binotatus(Spix, 1824). We sampled frogs in two insular and two mainland fragments to survey their helminth parasites. The total richness was composed of 15 taxa of Nematoda and two of Acanthocephala, and the community composition of the two islands had more similarities between them than the two mainland localities. The insular effect was positive for richness and abundance of helminths, and no significant effect was observed on helminth diversity - even the mean diversity presented high numbers for the islands. We presumed that insular hosts could have lost some parasites in the colonization process when these continental islands were separated from the mainland, approximately 11,000 years ago. However, the high richness and abundance on islands can be explained by an epidemiological argument, which considers high population density due to insularity and other features of the host as factors that increase parasite transmission success among individuals. (AU)

• Processo FAPESP: 14/14298-4 - Interação parasito hospedeiro e os efeitos recíprocos potencial sobre o ecossistema
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• Modalidade de apoio: Auxílio à Pesquisa - Regular
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• Beneficiário: Luciano Alves dos Anjos
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado