Edge effect benefits galling insects in the Brazilian Amazon |
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| Authors: | Walter Santos de Araújo Kleber do Espírito-Santo Filho |
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| Institution: | 1. Laboratory of Entomology, Department of Ecology, Institute of Biological Sciences, Federal University of Goiás, Campus II, Caixa Postal 131, Goiania, GO, 74001-970, Brazil
2. Laboratory of Environmental Analysis and Management of Water Resources, Institute of Biological Sciences, Federal University of Goiás, Campus II, Caixa Postal 131, Goiania, GO, 74001-970, Brazil
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| Abstract: | We investigated the influence of edge effects on communities of galling insects in the Brazilian Amazon. For this, were performed data analyses comparing the galling richness between disturbed and undisturbed areas, and subsequently evaluated the richness of galling at different distances from the forest edge. We registered 194 galling insect morphotypes in 116 host plant species. Galling insect richness was more pronounced in disturbed areas and closer to the forest edge, both to community in general as to specific host plant taxa. These results indicate positive responses of galling insect richness to edge effects in forest environments. Edge effect could influence the galling distribution in modified habitats because increases the stress conditions of the plants and decreases the attack pressure of natural enemies. |
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