1The effects of landscape on bumblebees to ensure crop pollination in the highland agricultural ecosystems in China

作者： Xie, Z.; An, J.; SCI

机构： Chinese Acad Forestry, Res Inst Insect Resources, Dept Environm Insects, Kunming 650224, Peoples R China; Chinese Acad Agr Sci, Inst Apiculture, Beijing 100193, Peoples R China;

来源：JOURNAL OF APPLIED ENTOMOLOGY

关键词： Asian honey bee pollination service pollinator crisis pollinator efficacy visit density