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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
16/04/1997 |
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Data da última atualização: |
23/04/2024 |
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Autoria: |
SILVIUS, K. M. |
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Título: |
Avian consumers of cardon fruits (Stenocereus griseus: Cactaceae) on Margarita Island, Venezuela. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Biotropica, v. 27, n. 1, p. 96-105, 1995. |
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Idioma: |
Inglês |
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Conteúdo: |
The fruiting phenology and avian consumer set of card6n cactus (Stenocereus griseus) fruits were observed on the semiarid Macanao Peninsula of Margarita Island, Venezuela. The card6n population had two peak fruiting seasons (late May-early June and late August-early September) which correspond to the local rainy seasons, but many plants also produce low numbers of fruits throughout the year. Fruits were fed on continuously by a variety of consumers for several days while still attached to the plant. The avian consumer set induded 14 species and was dominated by two species of parrots (Aratinga pertinfax and the endangered Amazona barbadensis). Most of the avian consumers are omnivores that indude variable amounts of fruit in their diet. Feeding observations in the wild, captive feeding trials, and seed germination trials indicated that six of the bird species are seed predators, six act as seed dispersers, and two are neutral with respect to seed survival. Bats fed on the fruits but were unable to open the husks, and thus must rely on naturally dehisced fruits or fruits opened by psittacines. |
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Palavras-Chave: |
Cactaceas; Columnar cactus. |
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Thesaurus Nal: |
Amazona barbadensis. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01589naa a2200157 a 4500
001 1523356
005 2024-04-23
008 1995 bl uuuu u00u1 u #d
100 1 $aSILVIUS, K. M.
245 $aAvian consumers of cardon fruits (Stenocereus griseus$bCactaceae) on Margarita Island, Venezuela.$h[electronic resource]
260 $c1995
520 $aThe fruiting phenology and avian consumer set of card6n cactus (Stenocereus griseus) fruits were observed on the semiarid Macanao Peninsula of Margarita Island, Venezuela. The card6n population had two peak fruiting seasons (late May-early June and late August-early September) which correspond to the local rainy seasons, but many plants also produce low numbers of fruits throughout the year. Fruits were fed on continuously by a variety of consumers for several days while still attached to the plant. The avian consumer set induded 14 species and was dominated by two species of parrots (Aratinga pertinfax and the endangered Amazona barbadensis). Most of the avian consumers are omnivores that indude variable amounts of fruit in their diet. Feeding observations in the wild, captive feeding trials, and seed germination trials indicated that six of the bird species are seed predators, six act as seed dispersers, and two are neutral with respect to seed survival. Bats fed on the fruits but were unable to open the husks, and thus must rely on naturally dehisced fruits or fruits opened by psittacines.
650 $aAmazona barbadensis
653 $aCactaceas
653 $aColumnar cactus
773 $tBiotropica$gv. 27, n. 1, p. 96-105, 1995.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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