2000
DOI: 10.1038/35003563
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Abstract: Estimates of species extinction due to human impact on tropical forests have previously been based on the relationship between species number and area. Here we use a different approach to estimate loss of tree species in the Atlantic forest of northeast Brazil. We evaluate the characteristics of plant species, their avian dispersers and the distribution of the forest remnants on the landscape to estimate that about 33.9% of tree species in this region will become extinct on a regional scale. Because northeast … Show more

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Cited by 501 publications
(392 citation statements)
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References 12 publications
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“…Em Gurjaú, foram observadas espécies insetívoras especialistas, seguidoras de correição e de frugívoros de grande porte. As espécies dessas categorias tróficas são bastante vulneráveis e podem ser eliminadas de áreas com um acentuado efeito de borda devido à fragmentação (WILLIS 1979, JANZEN 1983, BIERREGAARD JR. et al 1992, ANDRÉN 1994, ANJOS 1998, SILVA & TABARELLI 2000. Os resultados deste trabalho mostram que a RESG, ainda mantém espécies de insetívoros especialistas como: Pyriglena leuconota, Conopophaga melanops e C. lineata, e de grandes frugívoros como: Pionus maximiliani, Pteroglossus aracari e P. inscriptus.…”
Section: Resultsunclassified
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“…Em Gurjaú, foram observadas espécies insetívoras especialistas, seguidoras de correição e de frugívoros de grande porte. As espécies dessas categorias tróficas são bastante vulneráveis e podem ser eliminadas de áreas com um acentuado efeito de borda devido à fragmentação (WILLIS 1979, JANZEN 1983, BIERREGAARD JR. et al 1992, ANDRÉN 1994, ANJOS 1998, SILVA & TABARELLI 2000. Os resultados deste trabalho mostram que a RESG, ainda mantém espécies de insetívoros especialistas como: Pyriglena leuconota, Conopophaga melanops e C. lineata, e de grandes frugívoros como: Pionus maximiliani, Pteroglossus aracari e P. inscriptus.…”
Section: Resultsunclassified
“…Possuem elevado endemismo para muitos grupos taxonômicos, particularmente aves e plantas (ALEIXO & GALETTI 1997, SILVA & TABARELLI 2000.…”
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“…Ecological aspects involved in bird-plant relationships have been used in environmental risk assessments and to create biodiversity conservation arrangements, so as to estimate future impoverishment and reduction of original vegetation (Howe and Miriti, 2000;Silva and Tabarelli, 2000). The present study aimed to characterize the avian guild that consumes fruits of Miconia albicans and the phenology of the plant, in an attempt to better understand the ecological role of this plant in the fragment studied.…”
Section: Introductionmentioning
confidence: 99%
“…Habitat loss, fragmentation and hunting interact synergistically contributing to decrease the abundance of many vertebrate frugivores and seed dispersers, with large animals being more susceptible to local extinctions (Peres & Palacios 2007). Plants with large seeds (>15 mm) are more susceptible to the loss of dispersers because their regeneration is strongly seed-limited (Moles & Reproductive phenology, seed removal and early regeneration in relation to distance from parental plants of a native palm in small Atlantic forest fragments Westoby 2002) and these plants rely heavily on large-bodied animals as seed dispersers (Silva & Tabarelli 2000;Wright & Duber 2001;Cordeiro & Howe 2003;Galetti et al 2006;2013;Terborgh et al 2008). For instance, defaunation of large-gaped frugivorous birds has been pointed out as the main source of rapid evolutionary change in seed size of the palm Euterpe edulis in remnants of the Brazilian Atlantic forest (Galetti et al 2013).…”
Section: Introductionmentioning
confidence: 99%