Impact Factor (IF) - Thomson Reuters Web of KnowledgeSM)

2020: 1.500 - 5 years IF: 1.659

2019: 1.258 - 5 years IF: 1.610

2018: 1.152 - 5 years IF: 1.315

2017: 1.000 - 5 years IF: 1.000

2016: 0.938 - 5 years IF: 1.010

2015: 0.641 - 5 years IF: 0.673

2014: 0.628 - 5 years IF: 0.652

2013: 0.390 - 5 years IF: 0.504

2012: 0.605

2011: 0.468

2010: 0.309

2009: 0.136

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Volume 21 (1) - 1998


Impacts of aridification on soils and vegetation in sand region of the Hungary

Pages 33-40


Sand areas are regarded most sensitive to changes in water budget brought about by tbe aridification of climaie. In the paper the sand region of the Kishunsag National Park is studied for the sensitivity of soil and vegetation cover to drought. The quickest response to climate changes is expected to be manifested in the hydrological regime, followed by alterations in the composition of vegetation cover, inducing, with some time lag, modified soil processes. The list of the non-arborous flora of the test area was analysed using a range of ecological indices partly developed by Hungarian ecologists. Soil profiles were studied to find traces of a modified water regime and element migration induced by aridification. The high shares of submediterranean and other xerophilous or drought-tolerant species show that vegetation has already adapted to dry conditions, which has been a concomitant of regional climate. There are two ways of soil formation In the sand region: on dune summits humifica-tion to the effect of pioneer associations and in inter-dune hollows the accumulation of fine deposits and soil moisture content are the principal controlling factors. Reduced infiltration and capillary rise endanger ex-sting water regimes, A positive impact of aridification is local dealkalinisa-tion of sodic soils.

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