DETERMINATION OF THE MOST APPROPRIATE TRANSECT LENGTH FOR ESTIMATION OF QUANTITATIVE CHARACTERISTICS IN ZAGROS FORESTS

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NAGHAVI H.; FALAH ASGHAR; JALILVAND H.; SOUSANI J.

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Journal: Iranian journal of Forest Year:2009 | Volume:1 | Issue:3 Page(s): 229-238

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Information Journal Paper

Title

DETERMINATION OF THE MOST APPROPRIATE TRANSECT LENGTH FOR ESTIMATION OF QUANTITATIVE CHARACTERISTICS IN ZAGROS FORESTS

Author(s)

NAGHAVI H. | FALAH ASGHAR | JALILVAND H. | SOUSANI J. | Issue Writer Certificate

Keywords

FOREST SAMPLINGQ3

TRANSECTQ2

PRECISIONQ2

OAKQ2

ZAGROSQ2

CROWN COVERQ2

Abstract

Collection of appropriate qualitative and quantitative data is necessary for proper management and planning. In this research, a region with 457 ha area was selected in northwest of Khoram Abad. An inventory grid with 200×400 m size was designed and established in the study area. Then, 40 control plots with 1 hectare area were laid out. Samplings carried out by diagonal TRANSECTs with 50, 75, 100, 125 and 140m length on square control plots. Finally, the results of sampling by different lengths of TRANSECTs were compared with control plots using analysis of variance and (E %) ^2×T criterion. The results of ANOVA showed that different lengths of TRANSECTs had no significant differences (at confidence level of 95%) with control plots for estimation of species number per hectare and CROWN COVER parameters. TRANSECTs with 140m length had the most PRECISION for estimating the above-mentioned parameters. Also, comparison of results for different lengths of TRANSECTs with (E %) ^2×T criterion showed that TRANSECTs with 75 and 140m lengths are more appropriate for estimating the CROWN COVER and species number per hectare.

Cites

FOREST COVER DENSITY MAPPING IN SPARSE AND SEMI DENSE FORESTS USING FOREST CANOPY DENSITY MODEL (CASE STUDY: MARIVAN FORESTS)

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APA: Copy

NAGHAVI, H., FALAH, ASGHAR, JALILVAND, H., & SOUSANI, J.. (2009). DETERMINATION OF THE MOST APPROPRIATE TRANSECT LENGTH FOR ESTIMATION OF QUANTITATIVE CHARACTERISTICS IN ZAGROS FORESTS. IRANIAN JOURNAL OF FOREST, 1(3), 229-238. SID. https://sid.ir/paper/123155/en

Vancouver: Copy

NAGHAVI H., FALAH ASGHAR, JALILVAND H., SOUSANI J.. DETERMINATION OF THE MOST APPROPRIATE TRANSECT LENGTH FOR ESTIMATION OF QUANTITATIVE CHARACTERISTICS IN ZAGROS FORESTS. IRANIAN JOURNAL OF FOREST[Internet]. 2009;1(3):229-238. Available from: https://sid.ir/paper/123155/en

IEEE: Copy

H. NAGHAVI, ASGHAR FALAH, H. JALILVAND, and J. SOUSANI, “DETERMINATION OF THE MOST APPROPRIATE TRANSECT LENGTH FOR ESTIMATION OF QUANTITATIVE CHARACTERISTICS IN ZAGROS FORESTS,” IRANIAN JOURNAL OF FOREST, vol. 1, no. 3, pp. 229–238, 2009, [Online]. Available: https://sid.ir/paper/123155/en

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