Scale effect of landscape pattern indices for the Wuyishan Nature Reserve

ZHANG Chun-ying; LIN Cong-hua; HONG Wei; WU Chen-zhen; HE Chun-ling; CHEN Ying-jiao

Volume 26 Issue 6

Dec. 2009

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ZHANG Chun-ying, LIN Cong-hua, HONG Wei, WU Chen-zhen, HE Chun-ling, CHEN Ying-jiao. Scale effect of landscape pattern indices for the Wuyishan Nature Reserve[J]. Journal of Zhejiang A&F University, 2009, 26(6): 877-883.

Citation:

ZHANG Chun-ying, LIN Cong-hua, HONG Wei, WU Chen-zhen, HE Chun-ling, CHEN Ying-jiao. Scale effect of landscape pattern indices for the Wuyishan Nature Reserve[J]. Journal of Zhejiang A&F University, 2009, 26(6): 877-883.

Scale effect of landscape pattern indices for the Wuyishan Nature Reserve

1.
Department of Architecture and Planning，Fujian College of Technology，Fuzhou 350007，Fujian，China;
2.
Institute of Forest Ecology，Fujian Agriculture and Forestry University，Fuzhou 350002，Fujiang，China

More Information

Corresponding author: HONG Wei
Publish Date: 2009-12-20

Abstract

Using a changing pixel scale method in translating vector images to grade images，the effect of scale on landscape pattern indices for the Wuyishan Nature Reserve was studied. To select the best pixel scale fractal indices were compared at different pixel scales. Results showed that the contagion index （CONTAG），the percentage of like adjacency index （PLADJ），the fragmentation index （FN2），and Shannon’s Diversity Index （SHDI） all decreased with increasing pixel scale. Speed was fastest at the 10 - 50 m range and slowest at the 50 - 500 m range. The COHESION，connectivity，Shannon’s Evenness Index （SHEI），and dominance indices had different curves. To translate vector to grade images in the Wuyishan Nature Reserve，a pixel scale of 30 m was best.［Ch，5 fig. 1 tab. 18 ref.］
- landscape ecology,
- pixel scale,
- pattern indices,
- fractal index,
- Wuyishan Nature Reserve

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Scale effect of landscape pattern indices for the Wuyishan Nature Reserve

1. Department of Architecture and Planning，Fujian College of Technology，Fuzhou 350007，Fujian，China;

2. Institute of Forest Ecology，Fujian Agriculture and Forestry University，Fuzhou 350002，Fujiang，China

Corresponding author: HONG Wei

Publish Date: 2009-12-20

Key words:

Abstract: Using a changing pixel scale method in translating vector images to grade images，the effect of scale on landscape pattern indices for the Wuyishan Nature Reserve was studied. To select the best pixel scale fractal indices were compared at different pixel scales. Results showed that the contagion index （CONTAG），the percentage of like adjacency index （PLADJ），the fragmentation index （FN2），and Shannon’s Diversity Index （SHDI） all decreased with increasing pixel scale. Speed was fastest at the 10 - 50 m range and slowest at the 50 - 500 m range. The COHESION，connectivity，Shannon’s Evenness Index （SHEI），and dominance indices had different curves. To translate vector to grade images in the Wuyishan Nature Reserve，a pixel scale of 30 m was best.［Ch，5 fig. 1 tab. 18 ref.］

Scale effect of landscape pattern indices for the Wuyishan Nature Reserve

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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