Effects of fragmentation on Thamnophilus stictocephalus (aves, Thamnophilidae) in semideciduous forest of Alter-do-Chão, Pará

Brazilian Journal of Biology

T. M. Sanaiotti¹  A. L. K. M. Albernaz²  S. M. Dantas³ 

[1] Instituto Nacional de Pesquisas da Amazônia;Museu Paraense Emílio Goeldi;Observadores de Aves de Pernambuco;

关键词: fragmentation;    forests;    birds;    Amazonia;   

DOI  :  10.1590/S1519-69842005000300007

来源: DOAJ

【 摘 要 】

Effects of fragmentation on biodiversity have received much attention in recent decades, as fragmentation can greatly reduce viable areas for living organisms. We studied its effect on Thamnophilus stictocephalus (Thamnophilidae), an understory bird, in semideciduous forest fragments in Alter-do-Chão, Santarém, Pará. We tested whether the density of Thamnophilus stictocephalus was a function of fragment size and shape, density of vegetation, or arthropod biomass. Density of Thamnophilus was positively related to fragment size, but not to the other factors analyzed. Arthropod biomass was positively related to fragment size. The density of T. stictocephalus in fragments was significantly higher than it was in continuous forest. Fragmentation processes had a pronounced effect on the relative density of T. stictocephalus.

【 授权许可】

Unknown