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Paper Information

Journal:   JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES)   SUMMER 2011 , Volume 64 , Number 2; Page(s) 155 To 163.
 
Paper: 

APPLICATION OF RANDOM-PAIRS, JOINT-POINT AND LINE-INTERCEPET METHODS FOR ESTIMATING QUANTATIVE CHARACTERISTICS OF ZAGROS FORESTS (CASE STUDY: RESEARCH AND EDUCATIONAL FOREST OF RAZI UNIVERSITY OF KERMANSHAH)

 
 
Author(s):  HAIDARI R.H.*, ZOBEIRI M., NAMIRANIAN M., SOBHANI H.
 
* FACULTY OF AGRICULTURE, RAZI UNIVERSITY, I.R. IRAN
 
Abstract: 

In this study three sampling methods named Random-pairs method, Joint-point method and Line- intercept were used for estimating quantative characteristics of Zagros Oak (Quercus brantiii forests with regard to accuracy in research and educational forest of Razi University (Kermanshah province). Random-pairs method and Joint-point method were used for estimating trees per hectare, and for estimating percentage of canopy cover Line-intercept method with Random-pairs method and Joint-point method were examined. For each method 50 samples were selected using systematic-random design and number of trees and higher and lower diameter of crown were measured to obtain trees per hectare and percentage of canopy cover in each sample. The results showed that none of methods can provide an acceptable estimate of density and percentage of canopy cover based on ± 10% accepted accuracy; the Random-pairs method has more accuracy level for crown coverage for this kind of forests.

 
Keyword(s): RANDOM-PAIRS, JOINT-POINT, LINE-INTERCEPT, TREES PER HECTARE, CANOPY COVER
 
 
References: 
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Click to Cite.
APA: Copy

HAIDARI, R., & ZOBEIRI, M., & NAMIRANIAN, M., & SOBHANI, H. (2011). APPLICATION OF RANDOM-PAIRS, JOINT-POINT AND LINE-INTERCEPET METHODS FOR ESTIMATING QUANTATIVE CHARACTERISTICS OF ZAGROS FORESTS (CASE STUDY: RESEARCH AND EDUCATIONAL FOREST OF RAZI UNIVERSITY OF KERMANSHAH). JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), 64(2), 155-163. https://www.sid.ir/en/journal/ViewPaper.aspx?id=508236



Vancouver: Copy

HAIDARI R.H., ZOBEIRI M., NAMIRANIAN M., SOBHANI H.. APPLICATION OF RANDOM-PAIRS, JOINT-POINT AND LINE-INTERCEPET METHODS FOR ESTIMATING QUANTATIVE CHARACTERISTICS OF ZAGROS FORESTS (CASE STUDY: RESEARCH AND EDUCATIONAL FOREST OF RAZI UNIVERSITY OF KERMANSHAH). JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES). 2011 [cited 2021May15];64(2):155-163. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=508236



IEEE: Copy

HAIDARI, R., ZOBEIRI, M., NAMIRANIAN, M., SOBHANI, H., 2011. APPLICATION OF RANDOM-PAIRS, JOINT-POINT AND LINE-INTERCEPET METHODS FOR ESTIMATING QUANTATIVE CHARACTERISTICS OF ZAGROS FORESTS (CASE STUDY: RESEARCH AND EDUCATIONAL FOREST OF RAZI UNIVERSITY OF KERMANSHAH). JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), [online] 64(2), pp.155-163. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=508236.



 
 
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