退耕还林(草)背景下中国北方农牧交错带土地利用及碳储量变化
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The changes of land use and carbon storage in the northern farming-pastoral ecotone under the background of returning farmland to forest (grass)
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图4. 研究区2000—2018年碳储量 |
Fig.4. The change carbon storage in study area from 2000 to 2018 |
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