Timtailieu.net 
Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
3405
1
0
9 trang
Honey bees (Apis mellifera L.) are the main pollinating agents for numerousplants and fruit trees and, hence, play a key role in agriculture andmore generally in the maintenance of ecological biodiversity. Althoughthese social insects are not the targets of all the different agrochemicaltreatments used in crop protection, they are widely affected by pesticides.In addition, during their foraging flights, in which they collect nectar,pollen, plant resins, and water, honey bees inadvertently come into contactwith a wide array of inorganic and organic pollutants, and these are oftentaken back to the colony....
Nội dung trích xuất từ tài liệu:
Honey Bees: Estimating the Environmental Impact of Chemicals
