AN INVESTIGATION OF THE ASH SPECIES INVENTORY AT GORAZBON DISTRICT IN THE EDUCATIONAL AND RESEARCH FORESTS OF KHEIROODKENAR

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NAMIRANIAN M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2005 | Volume:57 | Issue:4 Page(s): 689-702

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Title

AN INVESTIGATION OF THE ASH SPECIES INVENTORY AT GORAZBON DISTRICT IN THE EDUCATIONAL AND RESEARCH FORESTS OF KHEIROODKENAR

Author(s)

NAMIRANIAN M. | Issue Writer Certificate

Keywords

INVENTORYQ4

TREE HEIGHTQ3

CROWN HEIGHTQ3

HID COEFFICIENTQ4

ASH SPECIESQ2

Abstract

An INVENTORY of trees citing their different characteristics can be a useful guide in their management, as well as help them grow in a most proper way to shoot the targets of sylviculture and finally a feasible forest enterprise. Knowledge about natural species, which are existing now but may not be naturally available in the future for the next generation is undoubtedly very useful. In Gorazbon district of educational and research forest of Kheiroodkenar of the Faculty of Natural Resources, 116 trees of ASH SPECIES were chosen and their necessary characteristics measured and evaluated (Selection Sampling).some results of studying the relationships among the evaluated characteristics are:Among the different models showing the relation between diameter at breast height, and the height the tree the statistical-mathematical equation is a more suitable estimator.ĥ=(d2 /(-4.317+0.833×d+0.0172×d2))+1.30 2-The statistical-mathematical equation between diameter at breast and CROWN HEIGHT is: ĉh=2.989+0361×d-0.00228×d2 3-The statistical-mathematical relation of diameter at breast and crown diameter is:ĉd=0.567+0.176×d-0.00072×d24-The relation between diameter at breast and HID COEFFICIENT is:ĥ /d=150.1204e-0.014923×d5-The relation between diameter at breast height and stump diameter is:d^=0.397079+0.773406×dst6- Other relations, which have been mentioned and illustrated in the results section of the article.

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References

A STUDY ON DIMENSIONAL CHARACTERS OF BEECH SPECIES IN GORAZBON DISTRICT, KHEYRUD KENAR FOREST

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APA: Copy

NAMIRANIAN, M.. (2005). AN INVESTIGATION OF THE ASH SPECIES INVENTORY AT GORAZBON DISTRICT IN THE EDUCATIONAL AND RESEARCH FORESTS OF KHEIROODKENAR. IRANIAN JOURNAL OF NATURAL RESOURCES, 57(4), 689-702. SID. https://sid.ir/paper/22837/en

Vancouver: Copy

NAMIRANIAN M.. AN INVESTIGATION OF THE ASH SPECIES INVENTORY AT GORAZBON DISTRICT IN THE EDUCATIONAL AND RESEARCH FORESTS OF KHEIROODKENAR. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2005;57(4):689-702. Available from: https://sid.ir/paper/22837/en

IEEE: Copy

M. NAMIRANIAN, “AN INVESTIGATION OF THE ASH SPECIES INVENTORY AT GORAZBON DISTRICT IN THE EDUCATIONAL AND RESEARCH FORESTS OF KHEIROODKENAR,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 57, no. 4, pp. 689–702, 2005, [Online]. Available: https://sid.ir/paper/22837/en

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