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Title: CLIMATE CHANGE ASSOCIATED METEOROLOGICAL ANOMALIES IMPACT ON SOIL NUTRIENTS CYCLE AND DYNAMICS
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CLIMATE CHANGE ASSOCIATED METEOROLOGICAL ANOMALIES IMPACT ON SOIL NUTRIENTS CYCLE AND DYNAMICS
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1314-2704
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English
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17
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32
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Feedbacks of soil ecosystems to climate change depend on its dynamics, thus soil ecosystems can directly and indirectly respond to climate change. Literature proved that warming directly alters microbial communities by increasing their activity. Also, climate change may also alter plant community, which consequently will impact indirectly, thus altering the soil communities that depend on their inputs. Thus, soil microbial community is responsible for a variety of soil provided ecosystem services, given their role in soil formation processes, soil organic matter dynamics and cycling nutrients. Climate change factors as weather anomalies and extreme climate events affect microbial communities which in end point impact services as nutrient cycling and organic matter dynamics. However, uncertainties remain as how these biogeochemical reactions are pressured by climate change associated weather anomalies. This study aim was to determine the rate through that parameters as altered temperature, watering and consequently altered soil physicochemical parameters impact soil extracellular enzymatic activities potential linked especially to nutrient cycling. Mixed effects model with fixed and random factors was used to test the impact of climate change associated factors on soil enzymatic activities associated with nutrients cycle and dynamic. It was observed that increased temperature altered soil moisture regimes, impacting also soil enzymatic activities which in turn impact nutrient cycling, especially carbon cycle. This was proofed even when on data obtained from seasonally simulations. Specifically, sensibilities of soil enzymatic activities was observed both as increased with temperature on turnover rates decreased.
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conference
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17th International Multidisciplinary Scientific GeoConference SGEM 2017
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17th International Multidisciplinary Scientific GeoConference SGEM 2017, 29 June - 5 July, 2017
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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69-76
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29 June - 5 July, 2017
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website
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cdrom
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3402
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climate anomalies; soil extracellular enzymatic activities; nutrient cycling.
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