FOREST LANDSCAPE-AND-ECOLOGICAL DEGRADATION ASSESSMENT OF SEFIDROD WATERSHED; USING LANDSCAPE ECOLOGICAL METRICS, IN GILAN PROVINCE OF IRAN

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KHAZAEI NOUSHIN; AZARI DEHKORDI FOROUD

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Journal: Environmental Sciences Year:2009 | Volume:6 | Issue:2 Page(s): 55-64

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Title

FOREST LANDSCAPE-AND-ECOLOGICAL DEGRADATION ASSESSMENT OF SEFIDROD WATERSHED; USING LANDSCAPE ECOLOGICAL METRICS, IN GILAN PROVINCE OF IRAN

Author(s)

KHAZAEI NOUSHIN | AZARI DEHKORDI FOROUD | Issue Writer Certificate

Keywords

LANDSCAPE ECOLOGY METRICSQ3

QUANTIFICATIONQ2

DEGRADATION MODELINGQ3

SEFIDRODQ3

GILANQ2

Abstract

Landscape ecological metrics are quantitative tools that are used to evaluate the patterns of landscape. In this article we considered some landscape ecological metrics such as SDI (Shannon Diversity Index) or TE (Total Edge) to consider configuration and composition of the landscape patches.Then, a degradation model (DM) was conducted to compute the degradation hierarchy between working units. The DM was introduced as "LD" = SkI/V, where "LD" was degradation coefficient of landscape compartment, "k" (intensity) and "f' metrics of landscape, and "Y" was vulnerability of the natural habitat (here number of patches in each working unit).Thirteen sub watersheds in SEFIDROD Watershed were considered and thus, degradation model was deployed to assess the status of each working unit. On the other hand, if there are deep red pixels in an infrared image, there are more areas of older ecosystems. Therefore, to reveal relationship between a metric and the status of the ecosystems in each working unit, the pixel number of deep-redness of infrared images was plotted against each metrics.Therefore, it was cleared that SDI has the highest correlation (R2=0.85) with the color intensity of infrared images.

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APA: Copy

KHAZAEI, NOUSHIN, & AZARI DEHKORDI, FOROUD. (2009). FOREST LANDSCAPE-AND-ECOLOGICAL DEGRADATION ASSESSMENT OF SEFIDROD WATERSHED; USING LANDSCAPE ECOLOGICAL METRICS, IN GILAN PROVINCE OF IRAN. ENVIRONMENTAL SCIENCES, 6(2), 55-64. SID. https://sid.ir/paper/117283/en

Vancouver: Copy

KHAZAEI NOUSHIN, AZARI DEHKORDI FOROUD. FOREST LANDSCAPE-AND-ECOLOGICAL DEGRADATION ASSESSMENT OF SEFIDROD WATERSHED; USING LANDSCAPE ECOLOGICAL METRICS, IN GILAN PROVINCE OF IRAN. ENVIRONMENTAL SCIENCES[Internet]. 2009;6(2):55-64. Available from: https://sid.ir/paper/117283/en

IEEE: Copy

NOUSHIN KHAZAEI, and FOROUD AZARI DEHKORDI, “FOREST LANDSCAPE-AND-ECOLOGICAL DEGRADATION ASSESSMENT OF SEFIDROD WATERSHED; USING LANDSCAPE ECOLOGICAL METRICS, IN GILAN PROVINCE OF IRAN,” ENVIRONMENTAL SCIENCES, vol. 6, no. 2, pp. 55–64, 2009, [Online]. Available: https://sid.ir/paper/117283/en

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