[1]ZHAO Yan-xia,WU Ai-bin,LIU Xin,et al.Terrain Gradient Features and Response of Ecological Services Value in Shallow Hilly Region[J].Research of Soil and Water Conservation,2014,21(03):141-145.
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
21
Number of periods:
2014 03
Page number:
141-145
Column:
Public date:
2014-06-28
- Title:
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Terrain Gradient Features and Response of Ecological Services Value in Shallow Hilly Region
- Author(s):
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ZHAO Yan-xia, WU Ai-bin, LIU Xin, QIN Yan-jie
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Institude of Geography Science, Hebei Academy of Sciences, Shijiazhuang 050021, China
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- Keywords:
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terrain gradient featuress; ecological service value; shallow hilly land
- CLC:
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F301.24
- DOI:
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- Abstract:
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Based on the geomorphic features of shallow hilly land in the study area, the land use of the terrain gradient features is studied by topographic index. On this basis, the terrain gradient on the ecological service value and single ecosystem servic valueare were studied respectively by the ecological service value evaluation model. The results show that: (1) the low terrain section (1~10) is the advantage distribution areas of cultivated land, construction land and water area in the study area, the middle terrain section (10~25) is the advantage distribution areas of grassland and woodland area; the high terrain section (25~50) is the distribution areas advantage of forest land area; (2) the maximum ecosystem service total value is forest,the minimum is unused land; land ecosystem service value of terrain difference is marked, the increasing trend of terrain was the level of 1—3, 3—6 level ecological service gradually declined, fluctuately rose at the 6—24 level, peaked at 24 level, and then began to decline with increase level, 49 level reached the minimum value; (3) the soil conservation service value is maximum and the food production service value is minimum in single ecosystem service value; and 9 class single production service value index in terrain section assumes the fluctuation distribution. Food production, waste disposal, water conservation for terrain advantage distribution interval 1~12; advantage distribution range of the service value of aesthetic landscape provided by raw material production, gas regulation, climate regulation, water conservation, soil conservation,and maintaining biodiversity is focused on the terrain of 16~50.