Orchid bees as bio-indicators for organic coffee farms in Costa Rica: does farm size affect their abundance? |
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引用本文: | Hedström I,Denzel A,Owens G.Orchid bees as bio-indicators for organic coffee farms in Costa Rica: does farm size affect their abundance?[J].Revista de biología tropical,2006,54(3):965-969. |
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作者姓名: | Hedström I Denzel A Owens G |
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