STUDY OF ACCURACY OF NEAREST INDIVIDUAL SAMPLING METHOD IN ZAGROSS FORESTS

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HEYDARI R.H.; ZOBEYRI MAHMOUD; NAMIRANIAN M.; SOBHANI H.; SAFARI AMIR

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Journal: Iranian journal of Forest Year:2011 | Volume:2 | Issue:4 Page(s): 323-330

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Information Journal Paper

Title

STUDY OF ACCURACY OF NEAREST INDIVIDUAL SAMPLING METHOD IN ZAGROSS FORESTS

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Keywords

NEAREST INDIVIDUALQ3

DISTANCE METHODSQ3

DENSITYQ2

CANOPY COVERQ2

ACCURACYQ3

ZAGROSS FORESTSQ2

Abstract

NEAREST INDIVIDUAL sampling method is one of the distance sampling methods for estimating the plant DENSITY and CANOPY COVER. For plant DENSITY measurements, five formulas have been developed; one by Cottam et al. (1953), Morisita (1953 and 1957), Byth and Ripley (1980) and Batcheler and Bell (1970). In this study, applicability of these formulas regarding the ACCURACY to estimate the DENSITY and CANOPY COVER of Zagross Oak (Quercus persica) forests were examined in research and educational Forest of Razi University (Kermanshah province). First, 50 hectares of these forests were selected and was inventoried. Then, 50 systematic random sampling points for NEAREST INDIVIDUAL sampling method were measured and recorded in this area. The results show that Morisita (1953) and Batcheler and Bell (1970) formulas can provide an acceptable estimate of DENSITY based on ±10% accepted ACCURACY, but none of the formulas could provide an acceptable estimate of crown coverage based on ±10% accepted ACCURACY; even though, the Batcheler and Bell formula has more ACCURACY level for crown coverage for this kind of forests.

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بررسی برخی از خصوصیات اکولوژیک تاغ در استان سیستان و بلوچستان

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APA: Copy

HEYDARI, R.H., ZOBEYRI, MAHMOUD, NAMIRANIAN, M., SOBHANI, H., & SAFARI, AMIR. (2011). STUDY OF ACCURACY OF NEAREST INDIVIDUAL SAMPLING METHOD IN ZAGROSS FORESTS. IRANIAN JOURNAL OF FOREST, 2(4), 323-330. SID. https://sid.ir/paper/123106/en

Vancouver: Copy

HEYDARI R.H., ZOBEYRI MAHMOUD, NAMIRANIAN M., SOBHANI H., SAFARI AMIR. STUDY OF ACCURACY OF NEAREST INDIVIDUAL SAMPLING METHOD IN ZAGROSS FORESTS. IRANIAN JOURNAL OF FOREST[Internet]. 2011;2(4):323-330. Available from: https://sid.ir/paper/123106/en

IEEE: Copy

R.H. HEYDARI, MAHMOUD ZOBEYRI, M. NAMIRANIAN, H. SOBHANI, and AMIR SAFARI, “STUDY OF ACCURACY OF NEAREST INDIVIDUAL SAMPLING METHOD IN ZAGROSS FORESTS,” IRANIAN JOURNAL OF FOREST, vol. 2, no. 4, pp. 323–330, 2011, [Online]. Available: https://sid.ir/paper/123106/en

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