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 | 20 |
| Japan | 7 |
| Brazil | 6 |
| CHINA MAINLAND | 5 |
| Belgium | 2 |
| Chile | 2 |
| France | 2 |
| Sweden | 2 |
| Australia | 1 |
| England | 1 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| JOETSU UNIVERSITY EDUCATION | 6 |
| CHINESE ACADEMY OF SCIENCES | 5 |
| CALIFORNIA STATE UNIVERSITY SYSTEM | 3 |
| NAT HIST MUSEUM LOS ANGELES CTY | 3 |
| UNIVERSIDADE FEDERAL DO RIO DE JANEIRO | 3 |
| FLORIDA FISH & WILDLIFE CONSERVATION CO... | 2 |
| KANAZAWA UNIVERSITY | 2 |
| MUSEU NACL | 2 |
| NIIGATA UNIVERSITY | 2 |
| SANTA BARBARA MUSEUM NAT HIST | 2 |