AN INVESTIGATION OF THE BEST STATISTIC SAMPELLING METHOD IN FORESTS OF ARAS - BARAN

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ALI JANPOUR A.A.H.; ZOBEYRI MAHMOUD; MARVI MOHAJER M.R.; ZARGHAM N.

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2004 | Volume:56 | Issue:4 Page(s): 397-405

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Title

AN INVESTIGATION OF THE BEST STATISTIC SAMPELLING METHOD IN FORESTS OF ARAS - BARAN

Author(s)

ALI JANPOUR A.A.H. | ZOBEYRI MAHMOUD | MARVI MOHAJER M.R. | ZARGHAM N. | Issue Writer Certificate

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Abstract

In the present study it was tried to introduce the most relevant method of data collection from Aras-baran natural forests. To achieve this, a random systematic sampling network of 150×300 m dimensions including 140 sampling plots along with three sampling methods including circular, quadratic and transect methods were empolyed. The obtained data from the study sites were used to evaluate factors of basal area per hectare , number of trees in hectare ,and sampling time in plot as well as in transects. Duncans and t.tests revealed no significance between mean basal area and number of trees per hectare in eny of these three methods. But mean sampling time for circular and quadratic plots as well as transects demonstrated significant difference. To determine the optimum sampling method equation A=E %2 × T was used. Where, E% is peresentage of sampling error and T sampling time. Finally, the study pointed out that the transect sampling method was the most appropriate for Aras-baran natural forests.

Cites

EFFECT OF PHYSIOGRAPHICAL FACTORS ON QUALITATIVE AND QUANTITATIVE CHARACTERISTICS OF CORNUS MAS L. IN ARASBARAN FORESTS

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APA: Copy

ALI JANPOUR, A.A.H., ZOBEYRI, MAHMOUD, MARVI MOHAJER, M.R., & ZARGHAM, N.. (2004). AN INVESTIGATION OF THE BEST STATISTIC SAMPELLING METHOD IN FORESTS OF ARAS - BARAN. IRANIAN JOURNAL OF NATURAL RESOURCES, 56(4), 397-405. SID. https://sid.ir/paper/22991/en

Vancouver: Copy

ALI JANPOUR A.A.H., ZOBEYRI MAHMOUD, MARVI MOHAJER M.R., ZARGHAM N.. AN INVESTIGATION OF THE BEST STATISTIC SAMPELLING METHOD IN FORESTS OF ARAS - BARAN. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2004;56(4):397-405. Available from: https://sid.ir/paper/22991/en

IEEE: Copy

A.A.H. ALI JANPOUR, MAHMOUD ZOBEYRI, M.R. MARVI MOHAJER, and N. ZARGHAM, “AN INVESTIGATION OF THE BEST STATISTIC SAMPELLING METHOD IN FORESTS OF ARAS - BARAN,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 56, no. 4, pp. 397–405, 2004, [Online]. Available: https://sid.ir/paper/22991/en

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