EVALUATION OF EARTHWORM ABUNDANCE AND VERTICAL DISTRIBUTION PATTERN IN SOME FOREST TYPES OF SHAST-KOLATEH

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IRANNEZHAD E.; RAHMANI RAMIN

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

Journal Paper

Paper Information

Journal: Journal of Forest and Wood Products Year:2009 | Volume:62 | Issue:2 Page(s): 145-157

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Title

EVALUATION OF EARTHWORM ABUNDANCE AND VERTICAL DISTRIBUTION PATTERN IN SOME FOREST TYPES OF SHAST-KOLATEH

Author(s)

IRANNEZHAD E. | RAHMANI RAMIN | Issue Writer Certificate

Keywords

EARTHWORMQ2

ABUNDANCEQ2

DISTRIBUTIONQ2

CASPIAN FORESTSQ3

SOILQ2

Abstract

EARTHWORM activities have an important effect on SOIL physical and chemical properties, SOIL fertility and plants growth. The number of studies about interactions between environmental factors and EARTHWORMs has strongly increased during last decade, showing the importance of EARTHWORM ecology. EARTHWORM biomass is a suitable indicator for detecting trends in SOIL fertility, hummus quality, pollution and SOIL productivity. There is limited information on EARTHWORM ABUNDANCE in forest types of the Caspian region and it's relation to SOIL characteristics. ABUNDANCE and vertical DISTRIBUTION of EARTHWORMs within 20 cm depth of some forest types in Shast-Kolateh were determined and compared in this study. Nine forest types were investigated including Beech, Beech-hornbeam, Hornbeam, Oak, Oak-hornbeam, Alder, Maple, Ironwood and Ironwood-hornbeam. In each forest type, 10 SOIL samples (50×50 cm) were taken by digging into 20 cm depth and EARTHWORMs hand-sorted from 0-10 and 10-20 cm layers. SOIL samples were taken from each layer simultaneously to measure physical and chemical properties including texture, moisture, bulk density, pH, nitrogen, organic carbon, K, P, Ca and cation exchange capacity. The number of EARTHWORMs was between 37 and 154 ind/m2 while thier biomass was between 5.9 and 12.1 gr/m2. Approximately 86 and 82 percent of EARTHWORM number and biomass were found in 0-10 cm layer, respectively. The result indicates that forest types can be classified according to potential of stand productivity using EARTHWORM ABUNDANCE. According to this study, the forest types can be classified into three groups. The most important factors determining EARTHWORM ABUNDANCE and vertical DISTRIBUTION were SOIL pH, moisture, C/N ratio, phosphate amount and SOIL texture.

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References

ABUNDANCE, VERTICAL DISTRIBUTION AND SEASONAL CHANGES IN EARTHWORM POPULATIONS OF OAK-HOMBEAM, HOMBEAM AND BEECH FORESTS IN NEKA, CASPIAN FORESTS, IRAN

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APA: Copy

IRANNEZHAD, E., & RAHMANI, RAMIN. (2009). EVALUATION OF EARTHWORM ABUNDANCE AND VERTICAL DISTRIBUTION PATTERN IN SOME FOREST TYPES OF SHAST-KOLATEH. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), 62(2), 145-157. SID. https://sid.ir/paper/163086/en

Vancouver: Copy

IRANNEZHAD E., RAHMANI RAMIN. EVALUATION OF EARTHWORM ABUNDANCE AND VERTICAL DISTRIBUTION PATTERN IN SOME FOREST TYPES OF SHAST-KOLATEH. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2009;62(2):145-157. Available from: https://sid.ir/paper/163086/en

IEEE: Copy

E. IRANNEZHAD, and RAMIN RAHMANI, “EVALUATION OF EARTHWORM ABUNDANCE AND VERTICAL DISTRIBUTION PATTERN IN SOME FOREST TYPES OF SHAST-KOLATEH,” JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 62, no. 2, pp. 145–157, 2009, [Online]. Available: https://sid.ir/paper/163086/en

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