AN INVESTIGATION ON ECOLOGICAL PATCH DIMENSIONS AT REFERENCE AND CRITICAL AREAS IN TWO SEASONS (CASE STUDY: SEMI-STEPPE RANGELANDS OF GOLESTAN NATIONAL PARK AND ADJACENT AREAS)

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GHODSI MARYAM; MESDAGHI MANSOUR; HESHMATI GH.A.; GHANBARIAN GH.A.

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Journal: Journal of Rangeland Year:2010 | Volume:4 | Issue:1 Page(s): 82-92

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Title

AN INVESTIGATION ON ECOLOGICAL PATCH DIMENSIONS AT REFERENCE AND CRITICAL AREAS IN TWO SEASONS (CASE STUDY: SEMI-STEPPE RANGELANDS OF GOLESTAN NATIONAL PARK AND ADJACENT AREAS)

Author(s)

GHODSI MARYAM | MESDAGHI MANSOUR | HESHMATI GH.A. | GHANBARIAN GH.A. | Issue Writer Certificate

Keywords

LANDSCAPE FUNCTION ANALYSIS (LFA)Q2

PATCHQ2

INTER PATCHQ2

GOLESTAN NATIONAL PARKQ2

Abstract

Function of a natural ecosystem depends on the conservation of its recourses. PATCH is an area in landscape that causes resource accumulation within the ecosystem, so the study of PATCH features is necessary. The aim of this investigation is study of PATCH structures under different management in two seasons. Using Landscape Function Analysis (LFA) in semi-steppe rangelands of GOLESTAN NATIONAL PARK and adjacent areas, structural features including length and width of PATCHes, PATCH number and average of inter PATCH length were determined on 6 transects of 25 m in similar aspects and direction in two reference and critical areas. The PATCHes were defined as forb, grass, shrub, and shrub-grass. After locating transects, PATCHes dimensions were measured in spring and summer. The results showed that in critical area under the severe grazing the dimension of PATCHes were decreased and the spaces of inter PATCHes were increased. There was no significant difference between structural features during two season (P<0.05). The growing form of shrub was considered as an ecological index in the study area.

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APA: Copy

GHODSI, MARYAM, MESDAGHI, MANSOUR, HESHMATI, GH.A., & GHANBARIAN, GH.A.. (2010). AN INVESTIGATION ON ECOLOGICAL PATCH DIMENSIONS AT REFERENCE AND CRITICAL AREAS IN TWO SEASONS (CASE STUDY: SEMI-STEPPE RANGELANDS OF GOLESTAN NATIONAL PARK AND ADJACENT AREAS). RANGELAND, 4(1), 82-92. SID. https://sid.ir/paper/136254/en

Vancouver: Copy

GHODSI MARYAM, MESDAGHI MANSOUR, HESHMATI GH.A., GHANBARIAN GH.A.. AN INVESTIGATION ON ECOLOGICAL PATCH DIMENSIONS AT REFERENCE AND CRITICAL AREAS IN TWO SEASONS (CASE STUDY: SEMI-STEPPE RANGELANDS OF GOLESTAN NATIONAL PARK AND ADJACENT AREAS). RANGELAND[Internet]. 2010;4(1):82-92. Available from: https://sid.ir/paper/136254/en

IEEE: Copy

MARYAM GHODSI, MANSOUR MESDAGHI, GH.A. HESHMATI, and GH.A. GHANBARIAN, “AN INVESTIGATION ON ECOLOGICAL PATCH DIMENSIONS AT REFERENCE AND CRITICAL AREAS IN TWO SEASONS (CASE STUDY: SEMI-STEPPE RANGELANDS OF GOLESTAN NATIONAL PARK AND ADJACENT AREAS),” RANGELAND, vol. 4, no. 1, pp. 82–92, 2010, [Online]. Available: https://sid.ir/paper/136254/en

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