发文地区与机构
近年国家 / 地区发文量统计
| 国家 / 地区 | 发文量 |
|---|---|
| USA | 195 |
| England | 11 |
| Canada | 8 |
| Australia | 4 |
| GERMANY (FED REP GER) | 3 |
| Colombia | 2 |
| Norway | 2 |
| Belgium | 1 |
| Brazil | 1 |
| Chile | 1 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| SOUTHERN ILLINOIS UNIVERSITY SYSTEM | 24 |
| UNIVERSITY OF VERMONT | 22 |
| HAYDEN PLANETARIUM | 21 |
| GETTYSBURG COLLEGE | 17 |
| AMERICAN MUSEUM OF NATURAL HISTORY (AMN... | 7 |
| FIELD MUSEUM OF NATURAL HISTORY (CHICAG... | 7 |
| UNIVERSITY OF CALIFORNIA SYSTEM | 7 |
| DREXEL UNIVERSITY | 6 |
| HARVARD UNIVERSITY | 4 |
| MILWAUKEE PUBL MUSEUM | 4 |
文章引用情况
1
Limited range, low numbers, and effective population size bring Schaus' swallowtail as close as imaginable to extinction2
As the Kangaroo Rat Goes, so Goes the Carrizo Plain3
Theodore Roosevelt's Last Hunt How to reconcile the President's protection of nature with his seeming desire to destroy it?4
Palm Heaven Coexisting with a mangrove swamp5
Bedoyo: Weapon of the Sultan Now taught in Java performing arts schools, this sacred dance used to be for the eyes of the Sultan alone6
Neuroeconomics Brains combine critical, immediate payoffs with exceptional costs7
What's the Difference a Pond Makes?8
Opium's Human History9
The Shifting Views of Nature and Wildlife10
Building A Stable Home The decline in the number of cotton-top tamarind and their loss of habitat have been slowed, if not stemmed, but long-term stability is always precarious