科技报告详细信息
Bee Health: Background and Issues for Congress | |
Johnson, Renée ; Corn, M. L. | |
Library of Congress. Congressional Research Service. | |
关键词: Agricultural industries; Bees; Bee culture; | |
RP-ID : R43191 RP-ID : R43191_2014Apr09 |
|
美国|英语 | |
来源: UNT Digital Library | |
【 摘 要 】
This report provides an overview of selected bee species, and discusses importance of bee pollination, changes in bee populations, factors affecting bee health, and identifies future needs.
【 预 览 】
Files | Size | Format | View |
---|---|---|---|
R43191_2014Apr09.pdf | 465KB | download |