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Journal of Agricultural Science and Technology، جلد ۱۵، شماره ۱، صفحات ۱۷۵-۱۸۸
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عنوان انگلیسی Seasonal Variability of Rainfall Interception and Canopy Storage Capacity Measured under Individual Oak (Quercus brantii) Trees in Western Iran
چکیده انگلیسی مقاله  While the hydrological balance of forest ecosystems has often been studied, quantitative studies on the seasonal variability of rainfall Interception (I) and Canopy Storage Capacity (S) by individual trees are less frequently reported. Hence, the effects of the seasonal variation in I and S by individual Persian oak trees (Quercus brantii var. Persica) in the Zagros forests of Iran were studied over a 1-year period. Annually, I accounted for 84.9 mm (20%) of Gross Rainfall (GR) that significantly differed between the in leaf (47.4 mm or 30% of GR) vs. leafless (37.7 mm or 14% of GR) periods. Negative logarithmic correlations existed between I:GR and GR both for in leaf (r2= 0.808) and leafless (r2= 0.709) periods.An indirect method, outlined by Pereira et al. (2009), estimated S to be 1.56 mm in the in Leaf Period (LP) and decreased considerably to 0.56 mm in the Leafless Period (LLP). The results indicate that while I decreased during the LLP, it still exerts considerable influence on the hydrology of forests. Hence, measurement of I in both the LP and LLP is essential when assessing the water balance on the catchment scale.
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نویسندگان مقاله o فتحی زاده |
department of forestry and forest economics, faculty of natural resources, university of tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

p عطارد |
department of forestry and forest economics, faculty of natural resources, university of tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

t g pypker | t g
school of forest resources and environmental science, michigan technological university, u. s. a.

علی اکبر درویش صفت | a a
department of forestry and forest economics, faculty of natural resources, university of tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

g زاهدی امیری | zahedi amiri
department of forestry and forest economics, faculty of natural resources, university of tehran, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

نشانی اینترنتی http://jast.modares.ac.ir/article_4941_6d0fab20a1454de92ac6db8599f6cbcc.pdf
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