Effect of Tree-Fall Gaps on Fruit-Feeding Nymphalid Butterfly Assemblages in a Peruvian Rain Forest
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Spatial Pattern and Characteristic of Tree-fall Gaps to Approach Ecological Forestry in Northern Iran
Gaps created by falling trees (tree-fall gaps) are a natural disturbance in forest ecosystems. Understanding scale, pattern and the effect of gaps on regeneration is important to current and future forest management. The aim of this study was to determine the size, shape and the spatial pattern of tree-fall gaps and of associated regeneration. This study was carried out in three parcels (No.15,...
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1. Documenting species abundance distributions in natural environments is critical to ecology and conservation biology. Tropical forest insect faunas vary in space and time, and these partitions can differ in their contribution to overall species diversity. 2. In the Neotropics, the Central American butterfly fauna is best known in terms of general natural history, but butterfly community diver...
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The fruit-feeding guild of nymphalid butterflies was sampled at the Firestone Center for Restoration Ecology (FCRE) in southwestern Costa Rica to investigate the effects of four habitat types on species-richness. Species-richness was expected to differ among riparian forest, secondary forest, bamboo forest and pastureland. Over two years and 53 sampling days, 1456 fruit-feeding nymphalid butter...
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Nymphalid butterflies are a diverse tropical group that has shown promise as an ‘indicator species’ of habitat health. This classification correlates to their sensitivity to both climatic and ecological disturbance due to a relatively short life cycle and host-plant reliance (DeVries 1987). For the past two years, changes in the number of fruit-feeding Nymphalid butterfly individuals and specie...
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Most studies on frugivorous bat assemblages in secondary forests have concentrated on differences among successional stages, and have disregarded the effect of forest management. Secondary forest management practices alter the vegetation structure and fruit availability, important factors associated with differences in frugivorous bat assemblage structure, and fruit consumption and can therefor...
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