[1]祁兰兰,王金亮,叶 辉,等.滇中“三湖流域”土地利用景观格局与水质变化关系研究[J].水土保持研究,2021,28(06):199-208.
　QI Lanlan,WANG Jinliang,YE Hui,et al.Study on the Land Use Landscape Pattern and Water Quality Change in the ‘Three Lakes' Basin in Central Yunnan[J].Research of Soil and Water Conservation,2021,28(06):199-208.
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滇中“三湖流域”土地利用景观格局与水质变化关系研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 28 期数: 2021年06期 页码: 199-208 栏目: 出版日期: 2021-10-10
Title:
Study on the Land Use Landscape Pattern and Water Quality Change in the ‘Three Lakes' Basin in Central Yunnan
文章编号:
1005-3409(2021)06-0199-10
作者:
祁兰兰1,2,3，王金亮1,2,3，叶 辉1,2,3，朱 泓1,2,3
(1.云南师范大学 地理学部，昆明 650500; 2.云南省高校资源与环境遥感重点实验室，昆明 650500; 3.云南省地理空间信息工程技术研究中心，昆明 650500)
Author(s):
QI Lanlan1,2,3，WANG Jinliang1,2,3，YE Hui1,2,3，ZHU Hong1,2,3
(1.Faculty of Tourism and Geographic Sciences，Yunnan Normal University，Kunming 650500，China; 2.Key Laboratory of Resources and Environmental Remote Sensing for Universities in Yunnan，Kunming 650500，China; 3.Center for Geospatial Information Engineering and Technology of Yunnan Province，Kunming 650500，China)
关键词:
土地利用;  景观格局;  湖泊流域;  水质;  相关性分析
Keywords:
land use;  landscape pattern;  lake basin;  water quality;  correlation analysis
分类号:
X52; X144
文献标志码:
A
摘要:
为探讨滇中湖泊流域土地利用及景观格局演变对水质产生的影响，选取地理位置相近而水质相差悬殊的抚仙湖、星云湖、杞麓湖流域(以下简称三湖流域)为研究区域，采用景观格局指数法、Pearson相关分析、冗余分析法揭示了三湖流域土地利用/景观格局对水质的影响。结果表明:(1)1990—2018年，三湖流域耕地面积减少，建设用地增加，其余土地利用类型变化幅度小。斑块密度(PD)、景观形状指数(LSI)、景观多样性(SHDI)均增加，三湖流域景观格局趋向复杂。(2)耕地与建设用地是影响抚仙湖、杞麓湖水质的重要土地利用类型。星云湖流域林地面积比与水质指标负相关性程度较高，对水质影响稍强。(3)抚仙湖流域SHDI，LSI与湖泊水体CODMn显著正相关，杞麓湖流域PD，LSI与湖泊水体CODMn极显著正相关，斑块结合度(COHESION)与湖泊水体BOD5极显著负相关，SHDI，LSI与COHESION，PD，LSI分别可作为抚仙湖、杞麓湖流域景观尺度上预测水质变化的关键因子，星云湖流域仅蔓延度指数(CONTAG)与湖泊水体CODMn，TP，TN显著正相关，CONTAG可作为星云湖水质变化的有效预测因子。
Abstract:
To investigate the effects of land use and landscape pattern evolution on water quality in the Lake Basin of Central Yunnan，Fuxian Lake，Xingyun Lake and Qilu Lake basins(hereinafter referred to as the Sanhu Basin)with similar geographical locations and great differences in water quality were selected as the study areas. Landscape pattern index method，Pearson correlation analysis and redundancy analysis were used to reveal the effect of land use/landscape pattern on water quality in the Three Lake Basin. The results show that:(1)in 1990—2018，the arable land in the Three Lakes Basin decreased，the construction land increased，the other land use types changed little; patch density(PD)，landscape shape index(LSI)，and landscape diversity(SHDI)all increased，and the landscape pattern of the Three Lakes Basin tended to be complex;(2)Arable land and construction land were the important land use types that affected the water quality of Fuxian Lake and Qilu Lake; the woodland area ratio in the Xingyun Lake Basin had a higher degree of negative correlation with water quality indicators，which had a slightly stronger impact on water quality;(3)SHDI and LSI of Fuxian Lake Basin were significantly positively correlated with the CODMn of the lake water body，PD，LSI and the lake water CODMn of Qilu Lake Basin were extremely significantly positively correlated，and the patch combination degree(COHESION)was extremely significantly negatively correlated with the lake water BOD5; SHDI，LSI and COHESION，PD，LSI could be used as the key factors for predicting water quality changes on the landscape scale of Fuxian Lake and Qilu Lake basin，respectively; the contagion index(CONTAG)of the Xingyun Lake Basin was significantly positively correlated with the CODMn，TP and TN of the lake water body; CONTAG could be used as an effective predictor of water quality changes in Xingyun Lake.

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备注/Memo

收稿日期:2020-12-15 修回日期:2021-01-05
资助项目:国家重点研发计划政府间/港澳台重点专项项目(2018YFE0184300); 云南基础研究重点项目(2019FA017); 国家自然科学基金(41561048); 云南省高校科技创新团队
第一作者:祁兰兰(1992—)，女，江苏盐城人，硕士生，主要从事资源与环境遥感技术应用研究。E-mail:1691439830@qq.com
通信作者:王金亮(1963—)，男，云南昆明人，教授，主要从事资源与环境遥感技术应用研究。E-mail:jlwang@ynnu.edu.cn

更新日期/Last Update: 2021-10-10