Utilization of Puya dasylirioides (Bromeliaceae: Pitcairnoidea) as foraging site by Bolitoglossa subpalmata (Plethodontidae: Bolitoglossinii)

 

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書誌詳細
著者: Jiménez, Carlos E
フォーマット: artículo original
状態:Versión publicada
出版日付:1994
その他の書誌記述:Foraging activities of Bolitoglossa subpalmata (plethodontidae: Bolitoglossini) on Puya dasylirioides (Bromeliaceae: Pitcairnoidea) were studied at a peat bog on Cerro de la Muerte, Costa Rica. Salamanders climb bromeliad infructescences more often than other substrates, and several times during a single night, if weather conditions are favorable. Strong winds with high precipitation inhibited their surface activity. The animals showed a tendency to climb Puya with an intermediate degree of senescence where they actively prey on resident arthropods. Comparisons between number of ingested prey at the bromeliad against other substrates, suggest a better availability or a large number of prey at the infructescences. There was a low frequency of two or more salamanders climbing the same Puya. Sheltered microhabitats at the Puya and specific postures of the salamanders while foraging on the infructescences, enable long periods at the Puya without losing much water due to wind.
国:Portal de Revistas UCR
機関:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
言語:Inglés
OAI Identifier:oai:portal.ucr.ac.cr:article/23275
オンライン・アクセス:https://revistas.ucr.ac.cr/index.php/rbt/article/view/23275
Access Level:acceso abierto