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Salt in the wound : the interfering effect of road salt on acidified forest catchments

Title data

Schweiger, Andreas ; Audorff, Volker ; Beierkuhnlein, Carl:
Salt in the wound : the interfering effect of road salt on acidified forest catchments.
In: Science of the Total Environment. Vol. 532 (2015) . - pp. 595-604.
ISSN 1879-1026
DOI: https://doi.org/10.1016/j.scitotenv.2015.06.034

Abstract in another language

Atmospheric acidic depositions have strongly altered the functioning and biodiversity of Central European forest ecosystems. Most impacts occurred until the end of the 20th century but the situation substantially improved thereafter caused by legal regulations in the late 1980’s to reduce acidifying atmospheric pollution. Since then slow recovery from acidification has been observed in forested catchments and adjacent waters. However, trends of recovery are inconsistent and underlying mechanisms diminishing recovery are still poorly understood.We propose that the input of road salt can significantly affect acidity regime and acidification recovery of forest ecosystems.By comparing the discharge hydro-chemistry and plant community composition of springs fed by forested catchments with and without high levels of salt input over two decades we observed a significant suppression of recovery and elevated levels of nutrient leaching (K+, Ca2+ and Mg2+) in highly salt contaminated catchments.We show that the pollution of near-surface groundwater (interflow) by road salt application can have lasting effects on ecosystem processes over distances of several hundred meters apart from the salt emitting road.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER129156
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography > Chair Biogeography - Univ.-Prof. Dr. Carl Beierkuhnlein
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 04 Aug 2016 06:37
Last Modified: 04 Aug 2016 06:37
URI: https://eref.uni-bayreuth.de/id/eprint/33813