2002
DOI: 10.1590/s1519-69842002000500018
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Exploitation of Erythrina dominguezii Hassl. (Fabaceae)nectar by perching birds in a dry forest in western Brazil

Abstract: Among the vertebrate pollinated plants, the genus Erythrina includes tree species in which birds are the pollen vectors. Two groups in this genus may be distinguished: a) the hummingbird, and b) the perching bird pollinated species. Erythrina dominguezii is included in the second group and occurs in deciduous/semi-deciduous forests in the southwestern neotropics. I studied the exploitation of Erythrina dominguezii nectar by perching birds in a dry forest in western Brazil. Six perching bird species from two di… Show more

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Cited by 33 publications
(38 citation statements)
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“…As pre-dispersal seed predators (Janzen, 1981;Coates-Estrada et al, 1993), their ecological role may significantly influence tree richness in Neotropical forest (Dirzo & Miranda, 1990). Recently, some parrot species have been identified as possible tree-species pollinators, however few studies have focused on parrotflower relationships (but see Vicentini & Fischer, 1999;Cotton, 2001;Ragusa-Netto, 2002). Also, studies have also shown that these parrots exhibit low reproductive rates, usually nest in tree holes, are long-lived, have no all-purpose territories, and forage over large areas of various types so as to exploit food resources that are both plentiful and ephemeral (Renton, 2001;Ragusa-Netto, 2004;2005).…”
Section: Introductionmentioning
confidence: 99%
“…As pre-dispersal seed predators (Janzen, 1981;Coates-Estrada et al, 1993), their ecological role may significantly influence tree richness in Neotropical forest (Dirzo & Miranda, 1990). Recently, some parrot species have been identified as possible tree-species pollinators, however few studies have focused on parrotflower relationships (but see Vicentini & Fischer, 1999;Cotton, 2001;Ragusa-Netto, 2002). Also, studies have also shown that these parrots exhibit low reproductive rates, usually nest in tree holes, are long-lived, have no all-purpose territories, and forage over large areas of various types so as to exploit food resources that are both plentiful and ephemeral (Renton, 2001;Ragusa-Netto, 2004;2005).…”
Section: Introductionmentioning
confidence: 99%
“…Ainda assim, a combinação de comportamentos não destrutivos utilizados em larga escala com a abertura de flores efetuada por duas espécies (I. croconotus e P. decumanus) reforça a importância fundamental da família Icteridae para a polinização de E. fusca. Membros dessa família têm sido considerados como os maiores consumidores de néctar e principais polinizadores de diferentes espécies de Erythrina (MORTON, 1979;RAGUSA-NETTO, 2002).…”
Section: Resultsunclassified
“…Os não-destrutivos ocorrem quando as aves inserem seus bicos (e, eventualmente, a cabeça) por entre as pétalas para sorver o néctar, contatando, eventualmente, as anteras e os estigmas. Sobretudo os comportamentos não destrutivos têm sido apontados como eficazes para o processo de polinização de plantas do gênero Erythrina (COTTON, 2001;RAGUSA-NETTO, 2002).…”
Section: Methodsunclassified
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“…Therefore, they may play such ecological roles as seed predators (Janzen, 1981;Francisco et al, 2002;Ragusa-Netto, 2002b), and pollinators of tree species (Vicentini and Fischer, 1999;Coton, 2001;Ragusa-Netto, 2002a), although parakeets often exploit nectar, destructively damaging much of the flower crops. Hence, they potentially also act as pre-dispersal seed predators by reducing the fruit set (Cotton, 2001;Ragusa-Netto, 2002a, 2005.…”
Section: Introductionmentioning
confidence: 99%