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Titre: Importância de diferentes microhabitats no comportamento de forrageio por presas do mico-leão-preto, Leontopithecus chrysopygus (Mikan) (Mammalia, Callitrichidae)
Autre(s) titre(s): Microhabitats importance in prey foraging behavior of black Iion tamarin, Leontopitllecus chrysopygus (Mikan) (Mammalia, Callitrichidae)
Auteur(s): Passos, Fernando C.
Alho, Cleber José Rodrigues
Assunto:: Mico-leão-preto
Primata - comportamento
Nicho (Ecologia)
Date de publication: 2001
Editeur: Sociedade Brasileira de Zootecnia
Référence bibliographique: PASSOS, Fernando C.; ALHO, Cleber J. R. Importância de diferentes microhabitats no comportamento de forrageio por presas do mico-leão-preto, Leontopithecus chrysopygus (Mikan)(Mammalia, Callitrichidae). Revista Brasileira de Zootecnia. Viçosa, v. 18, p. 335-342, 2001. Disponível em:<http://www.scielo.br/pdf/rbzool/v18s1/v18supl1a29.pdf>. Acesso em: 13 abr. 2012.
Résumé: Prey foraging behavior in the Black Lion Tamarin, Leonlopilhecus cllIysopygus (Mikan, 1823) was observed in the Caetetus Ecological Station, southeastern Brazil , during 550 hours of direct observations between December 1993 and FebrualY 1995. The scan sampling method was used to gather data. These tamarins use manipulative, specific-si te foraging behavior. When searching for animal prey items, they examine a variety of microhabitats. The most important microhabitat used for prey foraging behavior was tree caviti es (41 % of the foraging observat ions), but paim trees (22%), bamboo ( 12%), vines (11 %), bark (5%), seed pods of the 'jequitiba" lree (4%), olher places (3%) and epiphyles (2%) were also observed. Animal preys were fi'equenl ly captured in understOlY (7 1.6%, n = 96) and in middle layers (2 1.6%, n = 29), but infi'equently in the canopy (5.9%, n = 8) and in the ground (0.7%, n = I). Prey foraging behavior showed a similar pattern to that observed for animal prey caplured: 54.9% (n = 380) in underslory, 35.5% (n = 246) in middle layers, 8.9% (n = 62) in lhe canopy and 0.6% (n = 4) in the ground. Thus, the understory and middle layers are lhe mos! important foraging areas. Also, apparently only L. chrysopygus, among the genus Leoll/opilhecus, has adapted to areas with strong seasonality ofclimate and resourc es.
Licença:: R. Bras. Zootec. - Todo o conteúdo do periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons. Fonte: http://www.scielo.br/scielo.php?script=sci_serial&pid=1516-3598&lng=pt&nrm=iso. Acesso em: 12 abr. 2012.
Collection(s) :Artigos publicados em periódicos e afins
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