aggregate distribution of soil amidohydrolases in different land use of forest ecosystems
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the effects of soil disturbance due to land use change of forest lands to cultivated lands on biological soil quality indices of forest ecosystems of northern iran
land use change of forest ecosystems in northern iran changes the soil quality of paresar (gilan province) and gorgan (gorgan province) regions. in order to study changes in some biological soil quality indices due to land use change from forest to cultivated lands, composite soil samples from two depths (0-20 and 20-40 cm) were taken from paresar and gorgan regions and urease, alkaline and aci...
متن کاملInfluence of military land uses on soil carbon dynamics in forest ecosystems of Georgia, USA
Soil organic carbon (C) dynamics have been used to assess sustainable land managements in forest ecosystems. Impact, defined as intensive forms of land use that affect the soil function, can change C quantity and quality in soils, leading to a progressive degradation of the ecosystems. Soil CO2 effluxes were studied in five transects located at the Fort Benning military reservation in west-cent...
متن کاملcomparative analysis of the use of hedges & emphatics in english and persian academic research articles of sociology & psychology
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15 صفحه اولthe effect of soil physicochemical properties under different land use on aggregate stability in some part of khuzestan province
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متن کاملthe role of application of dynamic assessment approach in improvement of iranian efl writing performance at different language proficiency levels
the present study sought to investigate the role of dynamic assessment (da) in improvement of iranian efl writing performance at different language proficiency levels. to this end, after conducting the quick placement test, 60 iranian efl learners were assigned to two groups with different language proficiency levels. in both groups each participant wrote two compositions, one before and one af...
Different Land Use Intensities in Grassland Ecosystems Drive Ecology of Microbial Communities Involved in Nitrogen Turnover in Soil
Understanding factors driving the ecology of N cycling microbial communities is of central importance for sustainable land use. In this study we report changes of abundance of denitrifiers, nitrifiers and nitrogen-fixing microorganisms (based on qPCR data for selected functional genes) in response to different land use intensity levels and the consequences for potential turnover rates. We inves...
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عنوان ژورنال:
مدیریت خاک و تولید پایدارجلد ۴، شماره ۳، صفحات ۳۰۵-۳۲۲
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