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Successional stage effect on the availability of tree cavities for cavity-nesting birds in an Atlantic Forest park from the state of São Paulo, Brazil Biota Neotropica
Katayama,Michele Viana; Zima,Paulo Victor Queijo; Perrella,Daniel Fernandes; Francisco,Mercival Roberto.
Abstract The availability of suitable cavities and substrate for hole construction can limit the populations of birds that rely on tree hollows to reproduce. Several studies have focused on the effects of types of habitats, and types of human disturbances on cavities abundance, but the effect of successional stages in the Atlantic Forest has been poorly addressed. In this study we aimed to compare the availability and biometric characteristics of tree cavities between primary and mid-successional stage sites in an Atlantic Forest area from southeastern Brazil. Based on nest characteristics described in the literature, we inferred if hollows present in secondary sites could harbor the large secondary-nester Atlantic Forest birds, with special attention to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bird conservation; Nesting ecology; Cavity-nesters.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032017000400202
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Conservation of the hawksbill turtle (Eretmochelys imbricata) in Rincón del Mar, Colombia Boletín de Investigaciones
Restrepo-Garzón,Nicolás; Álvarez-Rodríguez,Rafael Andrés; Ramírez-Gallego,Cristian; Ruíz-Álvarez,Tulio; Barrientos-Muñoz,Karla G..
ABSTRACT The conservation and nesting ecology of the hawksbill turtle (Eretmochelys imbricata) are described, as a result of a systematic monitoring between 2018 and 2019 in the municipality of Rincón del Mar, San Onofre, Sucre. Six hawksbill turtle nests were recorded in situ, one nest was poached by humans. The nesting female spawned a total of 761 eggs in five clutches (mean 152.2 ± 15.5 eggs per clutch). Mean hatching success was 78.2 ± 12.4 % and the mean emergence success was 74.7 ± 14.1 % (n = 5). The mean incubation period was 54 ± 7.8 days (n = 4). 591 hatchlings were released into the sea, of which 22 (3.72 %) were rescued and released with the community. In addition, physical measurements of the nests (width, depth, distance to the beach) and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hawksbill turtle; Conservation; Nesting ecology; Hatching success; Colombian Caribbean..
Ano: 2021 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612021000200053
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