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 |
|---|---|
| Denmark | 22 |
| CHINA MAINLAND | 16 |
| England | 16 |
| USA | 15 |
| Japan | 14 |
| Russia | 12 |
| Mongolia | 11 |
| GERMANY (FED REP GER) | 7 |
| Netherlands | 7 |
| South Korea | 7 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| AARHUS UNIVERSITY | 21 |
| CHINESE ACADEMY OF SCIENCES | 15 |
| MIYAGI PREFECTURAL IZUNUMA UCHINUMA ENV... | 11 |
| WILDFOWL & WETLANDS TRUST | 11 |
| UNITED STATES DEPARTMENT OF THE INTERIO... | 8 |
| WILDLIFE SCI & CONSERVAT CTR MONGOLIA | 8 |
| INSTITUTE OF BIOLOGICAL PROBLEMS OF THE... | 7 |
| RUSSIAN ACADEMY OF SCIENCES | 6 |
| JAPAN BIRD RES ASSOC | 5 |
| JIANGXI POYANG LAKE NATL RESERVE AUTHOR | 5 |