蜀冈-瘦西湖风景名胜区生态绿地景观格局

Greenland Landscape Pattern of Shugang-Slender West Lake Scenic Spot

The landscape spatial feature,greenbelt landscape spatial feature and the grades and distribution of the patches in Shugang-Slender West Lake Scenic Spot were investigated by using geographic information system(GIS)with Quick bird image data.The results indicated:1)The proportion of the horniness landscape area was large,and the usage of the land should be adjusted.2)There were 2 979 patches of green-land in the research area.The area of these patches took up 6 528 227.0 m2 and accounted for 53.36% of the total in the research area.The small patches(<500 m2 in area)were more than the medium-large size patches and large size patches(>3 000 m2 in area)while the latter ones had larger total area.3)The green-land landscape diversity index was 0.559 5,evenness was 0.424 9,dominance was 0.394 8,contagion was 0.523 1,fragmentation was 0.456 0,green corridor density was 0.825 0 and fractal dimension was 1.148 1.4)The distribution of the landscape was uneven,and diversity was not rich.

The landscape spatial feature, greenbelt landscape spatial feature and the grades and distribution of the patches in Shugang-Slender West Lake Scenic Spot were investigated by using geographic information system （GIS） with Quick bird image data. The results indicated ： 1） The proportion of the horniness landscape area was large, and the usage of the land should be adjusted. 2） There were 2 979 patches of green-land in the research area. The area of these patches took up 6 528 227.0 rn2 and accounted for 53.36% of the total in the research area. The small patches （ 〈 500 m2 in area） were more than the medium- large size patches and large size patches （ 〉 3 000 m2 in area） while the latter ones had larger total area. 3） The green-land landscape diversity index was 0.559 5, evenness was 0.424 9, dominance was 0. 394 8, contagion was 0.523 1, fragmentation was 0.456 0, green corridor density was 0. 825 0 and fractal dimension was 1.148 1. 4） The distribution of the landscape was uneven, and diversity was not rich.