期刊
JOURNAL OF INSECT CONSERVATION
卷 15, 期 1-2, 页码 351-359出版社
SPRINGER
DOI: 10.1007/s10841-010-9343-x
关键词
Butterfly community recovery; Fruit-feeding butterflies; Rainforest regeneration; Kakum forest; Ghana
Successful regeneration of secondary tropical forest might be crucial in the conservation of rainforests, since large areas of primary forest have been destroyed or degraded. Animal communities might play an important role in restoration of biological diversity in these secondary habitats, since some groups have high mobility and capacity for dispersal. Fruit-feeding butterflies were trapped to measure differences between butterfly communities in primary rainforest and disturbed forest habitats of different stage of regeneration including clear-cut, abandoned farmland, newly planted forest and middle-aged secondary growth. 3465 specimens representing 114 species were identified from 56 traps operated for 36 days. Extremely high values of rarefied species richness were estimated in the clear-cut habitat, due to the high number of singletons and doubletons. This was caused by a gap-effect that allowed penetration of canopy and open area species after disturbance. The differences between butterfly communities were best demonstrated through ecological composition, richness and abundance of indicator groups and habitat similarity based on Jaccard's similarity index. The results show a clear ability of butterfly communities in degraded forest habitats to regenerate in 50-60 years after clearance.
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