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- Title
Relative contribution of agroforestry, rainforest and openland to local and regional bee diversity.
- Authors
Hoehn, Patrick; Steffan-Dewenter, Ingolf; Tscharntke, Teja
- Abstract
Due to increasing human modification of tropical landscapes, the relative importance of natural habitats and agricultural systems has become a major conservation topic to counteract global species loss. We investigated the contribution of tropical primary forest, cacao agroforestry systems of varying management practices and openland to the temporal and spatial variation of diversity of native bee communities in the herb layer (Apidae, Hymenoptera) in Sulawesi (Indonesia). Local bee density and diversity were highest in openland, followed by agroforestry systems and were lowest in primary forests, revealing the importance of herbaceous food resources in the understorey. In contrast, highest regional bee richness was found in agroforestry systems, because of high community dissimilarity. Multidimensional scaling supported these findings with openland habitats showing more compactly clustered bee species communities than agroforestry habitats. In conclusion, the herb associated bee community profited from the opening of the landscape as a result of agricultural activities, while agroforestry systems increased bee species richness especially on a regional scale due to high management diversity.
- Subjects
SULAWESI (Indonesia); INDONESIA; HABITAT partitioning (Ecology); AGROFORESTRY; RAIN forest management; BEE colonies; INSECT population density; INSECT population estimates; FOREST management; SPATIAL variation; APIDAE; HYMENOPTERA
- Publication
Biodiversity & Conservation, 2010, Vol 19, Issue 8, p2189
- ISSN
0960-3115
- Publication type
Article
- DOI
10.1007/s10531-010-9831-z