2011
DOI: 10.1590/s1519-69842011000100003
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Spatial dynamics of understorey insectivorous birds and arthropods in a southeastern Brazilian Atlantic woodlot

Abstract: Spatial distribution and spatial relationships in capture rates of understorey insectivorous birds and density of arthropods were investigated in a patch of upper montane rain forest in Minas Gerais state, southeastern Brazil, from January to December 2004. The composition of the arthropod fauna collected was similar to that reported for other tropical forests, with predominance of Araneae, Coleoptera, Hymenoptera and Hemiptera non-Heteroptera. A total of 26 bird species were captured, among which the more com… Show more

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Cited by 12 publications
(5 citation statements)
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References 35 publications
(38 reference statements)
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“…The Nematinae compared to all other tenthredinids are however singular in having their greatest diversity in the northern Holarctic, and they have a propensity to feed on willows ( Salix ) and other trees and shrubs, whereas most Athalia feed on Brassicaceae, and most Phymatocerini on Ranunculales and Liliales [55,73,95], the three latter groups of plants being herbaceous. Insectivorous birds forage commonly in open (understory and canopy) forest habitats and probably less often at ground-level where they themselves suffer a higher predation risk [101-103], whereas ants occur more equally across all vegetation levels [104]. Differential trends of microhabitat-linked predation pressures, by ants and birds on Nematinae versus more prominently by ants on Athalia and Phymatocerini, may have driven the evolution of differing defensive traits [105].…”
Section: Discussionmentioning
confidence: 99%
“…The Nematinae compared to all other tenthredinids are however singular in having their greatest diversity in the northern Holarctic, and they have a propensity to feed on willows ( Salix ) and other trees and shrubs, whereas most Athalia feed on Brassicaceae, and most Phymatocerini on Ranunculales and Liliales [55,73,95], the three latter groups of plants being herbaceous. Insectivorous birds forage commonly in open (understory and canopy) forest habitats and probably less often at ground-level where they themselves suffer a higher predation risk [101-103], whereas ants occur more equally across all vegetation levels [104]. Differential trends of microhabitat-linked predation pressures, by ants and birds on Nematinae versus more prominently by ants on Athalia and Phymatocerini, may have driven the evolution of differing defensive traits [105].…”
Section: Discussionmentioning
confidence: 99%
“…If plant communities in an area continue to decrease, the number of bird species can be reduced, resulting in the loss of bird species. Changes of vegetation structure due to logging practice can affect the availability of resources for bird communities (Manhaes & Dias, 2011). Limited resources can result in competition between species in a region.…”
Section: Introductionmentioning
confidence: 99%
“…More complex Amazonian forest had more birds than less structured forest from the same biome (Borges, 2004). Structurally more complex vegetation types decrease the effects of seasonality, resulting in higher stability in resource availability hosting more year-long residents (Hurlbert and Haskell, 2003;Manhães and Dias, 2011).…”
Section: Introductionmentioning
confidence: 99%