INVESTIGATION ON THE EFFECTS OF SOME SOIL PROPERTIES ON SPATIAL DISPERSION OF WYCH ELM (ULMUS GLABRA HUDS) IN HYRCANIAN FOREST, CASE STUDY: KHEYROUDKENAR FOREST

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ZAHEDI AMIRI GH.A.D.; ALAVI S.J.; MARVI MOHAJER M.R.; NOURI ZAHRA

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2008 | Volume:61 | Issue:3 Page(s): 637-352

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Title

INVESTIGATION ON THE EFFECTS OF SOME SOIL PROPERTIES ON SPATIAL DISPERSION OF WYCH ELM (ULMUS GLABRA HUDS) IN HYRCANIAN FOREST, CASE STUDY: KHEYROUDKENAR FOREST

Author(s)

ZAHEDI AMIRI GH.A.D. | ALAVI S.J. | MARVI MOHAJER M.R. | NOURI ZAHRA | Issue Writer Certificate

Keywords

WYCH ELMQ3

MEAN SQUAREQ3

SOIL SAMPLINGQ3

GROUPING CRITERIAQ3

PCAQ3

ALTITUDEQ2

ASPECTQ2

SLOPEQ2

Abstract

Forest soil is one of the main components of forest ecosystems and effective factors in spatial dispersion of vegetation. The current research was carried out in Patom, Namkhaneh, Gorazbon and Chelir districts of Kheyroudkenar forest, Nowshar. After field inspection and identifying the individuals of WYCH ELM with D.B.H ³10 cm, their positions were recorded by GPS with reasonable accuracy. SOIL SAMPLING was followed from spatial pattern. For detecting the spatial pattern of the remaining individuals of WYCH ELM, MEAN SQUARE method was applied. The result of this method showed that the existing pattern of WYCH ELM is an intermediate one and its real pattern has been probably changed due to Dutch elm disease and illegal cutting. After determining the pattern and SOIL SAMPLING, PCA method was used to test the soil variables. ALTITUDE, ASPECT and SLOPE constitute the GROUPING CRITERIA in random and clumped patterns. In clumped pattern, soil texture, bulk density, moisture, N, P, K and organic matter were the most important factors, while in random pattern in addition to the mentioned factors, pH is also effective.

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APA: Copy

ZAHEDI AMIRI, GH.A.D., ALAVI, S.J., MARVI MOHAJER, M.R., & NOURI, ZAHRA. (2008). INVESTIGATION ON THE EFFECTS OF SOME SOIL PROPERTIES ON SPATIAL DISPERSION OF WYCH ELM (ULMUS GLABRA HUDS) IN HYRCANIAN FOREST, CASE STUDY: KHEYROUDKENAR FOREST. IRANIAN JOURNAL OF NATURAL RESOURCES, 61(3), 637-352. SID. https://sid.ir/paper/23190/en

Vancouver: Copy

ZAHEDI AMIRI GH.A.D., ALAVI S.J., MARVI MOHAJER M.R., NOURI ZAHRA. INVESTIGATION ON THE EFFECTS OF SOME SOIL PROPERTIES ON SPATIAL DISPERSION OF WYCH ELM (ULMUS GLABRA HUDS) IN HYRCANIAN FOREST, CASE STUDY: KHEYROUDKENAR FOREST. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2008;61(3):637-352. Available from: https://sid.ir/paper/23190/en

IEEE: Copy

GH.A.D. ZAHEDI AMIRI, S.J. ALAVI, M.R. MARVI MOHAJER, and ZAHRA NOURI, “INVESTIGATION ON THE EFFECTS OF SOME SOIL PROPERTIES ON SPATIAL DISPERSION OF WYCH ELM (ULMUS GLABRA HUDS) IN HYRCANIAN FOREST, CASE STUDY: KHEYROUDKENAR FOREST,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 61, no. 3, pp. 637–352, 2008, [Online]. Available: https://sid.ir/paper/23190/en

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