共 94 条
[2]
[Anonymous], EUR FIG EUR YB
[4]
BEST L B, 1986, Wildlife Society Bulletin, V14, P308
[5]
The Swiss agri-environment scheme promotes farmland birds: but only moderately
[J].
JOURNAL OF ORNITHOLOGY,
2007, 148 (Suppl 2)
:S295-S303
[8]
Bringezu S., 2009, SUSTAINABLE PRODUCTI
[9]
British Trust for Ornithology, 2011, DEV BIRD IND
[10]
British Trust for Ornithology, 2011, SKYL AL ARV