天然林资源保护一期工程生态成效评估——以甘肃小陇山地区为例 |
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| 孙传谆, 甄霖, 王超, 胡洁, 杜秉贞 | ||||||||||||
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Assessment of the ecological effects of the first-phase natural forest protection project in the Xiaolongshan region, Gansu Province |
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| Chuanzhun SUN, Lin ZHEN, Chao WANG, Jie HU, Bingzhen DU | ||||||||||||
| 表1 生态系统类型的生态级别 | ||||||||||||
| Tab.1 Ecological ranking of different ecosystem types | ||||||||||||
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