DETERMINATION OF OPTIMUM NUMBER OF ECOLOGICAL GROUPS IN VEGETATION CLASSIFICATION (CASE STUDY: KHEIROUDKENAR FORESTS)

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ESHAGHIRAD J.; ZAHEDI AMIRI GH.A.D.; MATAJI A.A.

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Journal: Iranian Journal of Forest and Poplar Research Year:2008 | Volume:16 | Issue:3 (33) Page(s): 455-466

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Title

DETERMINATION OF OPTIMUM NUMBER OF ECOLOGICAL GROUPS IN VEGETATION CLASSIFICATION (CASE STUDY: KHEIROUDKENAR FORESTS)

Author(s)

ESHAGHIRAD J. | ZAHEDI AMIRI GH.A.D. | MATAJI A.A. | Issue Writer Certificate

Keywords

BEECHQ2

ECOLOGICAL GROUPSQ3

CLUSTER ANALYSISQ3

INDICATOR SPECIES ANALYSISQ3

Abstract

This study was carried out in Carpino-Fagetum orientalis, Rusco-Fagetum orientalis, Fagetum orientalis and Alno-Fagetum orientalis forest communities of Namkhaneh, Gorazbon and Chelir districts of Kheiroudkenar forests. The aim of the research was determination of the optimum number of ECOLOGICAL GROUPS in the study area using INDICATOR SPECIES ANALYSIS. Selective stratification sampling method was used to locate samples. One plot was laid out on each aspect and on each community. Totally, 120 samples were selected in the Fagus orientalis communities in the study area. The plot size was 400m2 considering to minimal area method. At each sample, floristic list in separate strata (trees, shrubs and herbs) were recorded using Braun-Blanquet scales. CLUSTER ANALYSIS was used for classification of samples. In this method, Sorenson distance measure was applied to calculate the distance matrix and flexible beta method as a cluster linkage measure. INDICATOR SPECIES ANALYSIS accompanied with Monte Carlo test was used to choose the optimum number of the clusters. Results showed that if four clusters were selected in the vegetation classification of Fagus orientalis communities in the study area based on CLUSTER ANALYSIS, the number of indicator species, which had significant indicator values, would be maximum. Therefore, four groups could be introduced as the optimum number of ECOLOGICAL GROUPS of Fagus orientalis communities in the study area.

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APA: Copy

ESHAGHIRAD, J., ZAHEDI AMIRI, GH.A.D., & MATAJI, A.A.. (2008). DETERMINATION OF OPTIMUM NUMBER OF ECOLOGICAL GROUPS IN VEGETATION CLASSIFICATION (CASE STUDY: KHEIROUDKENAR FORESTS). IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH, 16(3 (33)), 455-466. SID. https://sid.ir/paper/110911/en

Vancouver: Copy

ESHAGHIRAD J., ZAHEDI AMIRI GH.A.D., MATAJI A.A.. DETERMINATION OF OPTIMUM NUMBER OF ECOLOGICAL GROUPS IN VEGETATION CLASSIFICATION (CASE STUDY: KHEIROUDKENAR FORESTS). IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH[Internet]. 2008;16(3 (33)):455-466. Available from: https://sid.ir/paper/110911/en

IEEE: Copy

J. ESHAGHIRAD, GH.A.D. ZAHEDI AMIRI, and A.A. MATAJI, “DETERMINATION OF OPTIMUM NUMBER OF ECOLOGICAL GROUPS IN VEGETATION CLASSIFICATION (CASE STUDY: KHEIROUDKENAR FORESTS),” IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH, vol. 16, no. 3 (33), pp. 455–466, 2008, [Online]. Available: https://sid.ir/paper/110911/en

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