分面浏览：学科主题 |
| 当前检索式 | ((ALL：net primary productivity ( NPP))) |
| 限定条件 | ((学科主题：Meteorology & Atmospheric Sciences)) |
| Meteorology & Atmospheric Sciences 6 | Forestry 3 | Agronomy 2 |
| Agriculture 1 | Environmental Sciences 1 | Environmental Sciences & Ecology 1 |
| Geosciences, Multidisciplinary 1 |
