乌江上游地区森林生态系统水源涵养功能评估及其空间差异探究
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唐玉芝, 邵全琴
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Water Conservation Capacity of Forest Ecosystem and Its Spatial Variation in the Upper Reaches of Wujiang River
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TANG Yuzhi,SHAO Quanqin
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表3 研究区不同森林类型水源涵养量 |
Tab.3 Water conservation of different vegetation types in the study area |
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代码 | 森林类型 | 林地面积/(103hm2) | 林冠截留量/(106m3) | 枯落物层持水量/(106m3) | 土壤蓄水量/(106m3) | 水源涵养总量/(106m3) | 单位面积水源涵养量/(t/hm2) | Ⅰ | 温性针叶林 | 135.086 | 56.702 | 3.468 | 58.334 | 118.503 | 877.245 | Ⅱ | 暖性针叶林 | 125.837 | 52.397 | 4.743 | 44.942 | 102.081 | 811.216 | Ⅲ | 暖性针阔混交林 | 9.427 | 3.351 | 0.321 | 4.754 | 8.426 | 893.807 | Ⅳ | 落叶阔叶林 | 67.856 | 20.016 | 2.203 | 26.279 | 48.497 | 714.705 | Ⅴ | 常绿落叶阔叶混交林 | 64.007 | 21.106 | 2.090 | 37.225 | 60.421 | 943.975 | Ⅵ | 常绿阔叶林 | 4.173 | 1.106 | 0.078 | 1.700 | 2.883 | 690.942 | Ⅶ | 暖性竹林 | 0.202 | 0.056 | 0.004 | 0.129 | 0.189 | 934.861 | Ⅷ | 经济林 | 3.103 | 1.329 | 0.074 | 1.172 | 2.575 | 829.922 | Ⅸ | 灌丛 | 317.078 | 113.775 | 5.064 | 100.635 | 219.473 | 692.174 |
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