Heterogeneity of Land Use and Water Environment in Plateau Lake Basins of Yunnan Province

ZHANG Hong; CHEN Zhen; ZHANG Shuai; LI Hai-lin

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Heterogeneity of Land Use and Water Environment in Plateau Lake Basins of Yunnan Province

- Heterogeneity of Land Use and Water Environment in Plateau Lake Basins of Yunnan Province
- Bulletin of Soiland Water Conservation Vol. 31, Issue 2, Pages: 255-260(2012)
- 作者机构：
  
  云南财经大学城市管理与资源环境学院,云南,昆明,650221
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- Published：2012
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ZHANG Hong, CHEN Zhen, ZHANG Shuai, et al. Heterogeneity of Land Use and Water Environment in Plateau Lake Basins of Yunnan Province[J]. Bulletin of Soiland Water Conservation, 2012, 31(2): 255-260.
DOI：

ZHANG Hong, CHEN Zhen, ZHANG Shuai, et al. Heterogeneity of Land Use and Water Environment in Plateau Lake Basins of Yunnan Province[J]. Bulletin of Soiland Water Conservation, 2012, 31(2): 255-260. DOI：

摘要

以云南省9个高原湖泊为研究对象，采用高原湖泊水质与湖泊流域土地利用类型变化的面积数据构建了各土地利用类型对高原湖泊水质影响的关系模型，同时运用各高原湖泊流域土地利用强度与水质动态变化的时间序列数据构建了库兹涅兹曲线。研究结果表明，耕地、园地、湿地面积与湖泊含磷量存在一定负相关关系，林地、牧草地、建设用地面积与湖泊含磷量存在一定的正相关关系，牧草地、耕地、园地、湿地面积与湖泊含氮量存在一定负相关关系，建设用地面积与湖泊含氮量存在一定的正相关关系，园地和耕地面积与污染综合指数存在负相关关系，建设用地面积与污染综合指数存在负相关关系。滇池、泸沽湖处于流域协调区间，阳宗海、抚仙湖、星云湖、程海处于流域冲突区间，洱海、异龙湖处于冲突区间向协调区间转型过程之中。

Abstract

The impacts of land use types on water quality of highland lakes were investigated and modeled based on the data collected from the nine plateau lakes in Yunnan Province． The Kuznets curve analysis was used to simulate the time series of the dynamic changes of land use intensity and water quality． The results indicate that the contents of phosphorus in the water samples from the lakes to some degree correlated negatively with the areas of cultivated land，gardens，and wetlands，and positively with the areas of woodlands，grasslands，and construction areas． In contrast，the contents of nitrogen in the water samples from the lakes correlated negatively with the areas of grasslands，cultivated lands，gardens，and wetlands，and positively with the areas of the construction lands． Overall，the pollution indices were negatively correlated with the areas of gardens and cultivated lands，and positively with the area of the construction lands． The temporal analysis indicated that the basins of Dianchi Lake and Lugu Lake were in a status of wellbeing，the basins of Yangzonghai，Fuxian，Xingyun，Cheng Lakes were in a status of crisis，and the basins of Erhai and Yilong Lakes were in a status of converting from crisis to wellbeing．

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