Dynamics of forest landscape pattern in Pangquangou National Nature Reserve

XIA Wei-weil; HAN Hai-rong; YI Li-ta; CHENG Xiao-qin

Volume 25 Issue 6

Dec. 2008

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XIA Wei-weil, HAN Hai-rong, YI Li-ta, CHENG Xiao-qin. Dynamics of forest landscape pattern in Pangquangou National Nature Reserve[J]. Journal of Zhejiang A&F University, 2008, 25(6): 723-727.

Citation:

XIA Wei-weil, HAN Hai-rong, YI Li-ta, CHENG Xiao-qin. Dynamics of forest landscape pattern in Pangquangou National Nature Reserve[J]. Journal of Zhejiang A&F University, 2008, 25(6): 723-727.

Dynamics of forest landscape pattern in Pangquangou National Nature Reserve

1.
The Key Laboratory for Silviculture and Conservation of the Ministry of Education，Beijing Forest University， Beijing 100083，China

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Corresponding author: HAN Hai-rong
Publish Date: 2008-12-20

Abstract

Based on 1990 TM，1999 ETM and 2004 SPOT 5 satellite images，the geographic information system（GIS） technique was used to analyze the forest landscape dynamic of Pangquangou National Nature Reserve with indices including patch density，Shannon’s diversity index，Shannon’s evenness index and landscape aggregation index. The analysis of forest landscape dynamics indicated that the average size of woodland patches was gradually increased. During the research period，patch density and edge density of whole landscape were on the rise，which indicated that the whole landscape had a fragmentation trend. The forest landscape diversity decreased. As the dominant landscape type had more advantages，the heterogeneity of whole landscape was lower. The management departments of the reserve should pay great attention to the landscape fragmentation. They should adjust the management measures，control jamming，prolong the logging cycle，and increase the canopy density of stand. ［Ch，4 tab. 12 ref.］
- forest mensuration,
- forest landscape,
- landscape pattern,
- dynamic analysis,
- geographic information system（GIS）,
- Pangquangou National 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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Dynamics of forest landscape pattern in Pangquangou National Nature Reserve

1. The Key Laboratory for Silviculture and Conservation of the Ministry of Education，Beijing Forest University， Beijing 100083，China

Corresponding author: HAN Hai-rong

Publish Date: 2008-12-20

Key words:

Abstract: Based on 1990 TM，1999 ETM and 2004 SPOT 5 satellite images，the geographic information system（GIS） technique was used to analyze the forest landscape dynamic of Pangquangou National Nature Reserve with indices including patch density，Shannon’s diversity index，Shannon’s evenness index and landscape aggregation index. The analysis of forest landscape dynamics indicated that the average size of woodland patches was gradually increased. During the research period，patch density and edge density of whole landscape were on the rise，which indicated that the whole landscape had a fragmentation trend. The forest landscape diversity decreased. As the dominant landscape type had more advantages，the heterogeneity of whole landscape was lower. The management departments of the reserve should pay great attention to the landscape fragmentation. They should adjust the management measures，control jamming，prolong the logging cycle，and increase the canopy density of stand. ［Ch，4 tab. 12 ref.］

Dynamics of forest landscape pattern in Pangquangou National Nature Reserve

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通讯作者: 陈斌, bchen63@163.com

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