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[1]XIA Ji-sheng,YANG Shu-hua.Study on Landscape Pattern Feature and Its Change in Jinsha River Watershed (Yunnan Part)[J].Research of Soil and Water Conservation,2008,15(04):152-156.

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Study on Landscape Pattern Feature and Its Change in Jinsha River Watershed (Yunnan Part)

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 04 Page number: 152-156 Column: Public date: 2008-08-20

Title:: Study on Landscape Pattern Feature and Its Change in Jinsha River Watershed (Yunnan Part)

Author(s):: XIA Ji-sheng^1,2, YANG Shu-hua¹; 1. School of Life Science, Yunnan University, Kunming 650091, China;
2. School of Environment and Earth Science, Kunming 650091, China

Keywords:: Jinsha river watershed; landscape pattern; landscape changes

CLC:: Q149;P901

DOI:: -

Abstract:: Jinsha river watershed is the ecologically fragile area in Chinese western region, and its vegetation was often disturbed by human.Through the study on patch size and change for all kinds of vegetation in this region, the effects from human disturbance can be acquired.Remote Sensing Data (Landsat TM) were used to study landscape patterns in part of Jinsha river watershed, inside Yunnan province; and some patch metrics, such as amounts, areas, standard deviation, coefficient of variance granularity, were calculated.Furthermore, the vegetations and patch size changes between two periods(1996 and 2006), were analyzed, The results show that middle and small patches dominate in this region, and it reflected that landscape are highly fragmentized in this area.After 10 years, the area of warm temperate coniferous forest, increase vastly, it indicates the result of afforestation.But the area of shrub grassland, a secondary vegetation, which comes into being because of human disturbance, also increased, it means the negative impact caused by human.While the plant area increased, patch amount decrease contrary.And small patches tend to inosculate larger patch.All these changes show that the landscape fragmentation has been weakened to some degree in Jinsha river watershed.

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