精簡我的查詢結果

主題 

1. Agriculture, Forestry and Wildlife  (51)
2. Biogeochemistry  (31)
3. Biology, Limnology  (27)
4. Agriculture, Fisheries and Aquaculture  (25)
5. Biology, Botany  (21)
6. Biology, Zoology  (18)
7. Hydrology  (16)
8. Geography  (15)
9. Remote sensing  (14)
10. Engineering, Environmental  (13)
11. Biology, Microbiology  (12)
12. Biology, Oceanography  (11)
13. Agriculture, Soil Science  (10)
14. Physical Geography  (9)
15. Urban and Regional Planning  (7)
16. Recreation  (7)
17. Biology, Plant Physiology  (7)
18. Anthropology, Cultural  (6)
19. Biology, Molecular  (6)
20. 更多選項 

著者 

1. University of California, Berkeley  (11)
2. University of California, Davis  (11)
3. The University of Wisconsin - Madison  (10)
4. University of Virginia  (10)
5. University of Waterloo (Canada)  (8)
6. Oregon State University  (8)
7. Stanford University  (8)
8. University of Maryland, College Park  (7)
9. University of Michigan  (7)
10. University of New Hampshire  (6)
11. University of Minnesota  (6)
12. George Mason University  (6)
13. University of Illinois at Urbana-Champaign  (6)
14. Duke University. Ecology  (5)
15. University of Florida  (4)
16. University of California, Santa Cruz  (4)
17. California State University, Fullerton  (4)
18. State University of New York College of Environmental Science and Forestry. Environmental & Forest Biology  (4)
19. The Ohio State University  (4)
20. University of California, Santa Barbara  (4)
21. 更多選項 

建立日期 

1. 之前1997  (9)
2. 1997到2000  (22)
3. 2001到2004  (107)
4. 2005到2009  (154)
5. 之後 2009  (49)
6. 更多選項