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  • Pinay, GillesCentre d'Ecologie Fonctionnelle & Evolutive, Montpellier (author)

Patterns of denitrification rates in European alluvial soils under various hydrological regimes

  • Article/chapterEnglish2007

Publisher, publication year, extent ...

  • 2007
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:hkr-180
  • urn:nbn:se:hkr:diva-180urn
  • https://doi.org/10.1111/j.1365-2427.2006.01680.xDOI
  • urn:nbn:se:umu:diva-11919urn

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • 1. Denitrification in floodplain soils is one of the main biological processes emitting and reducing nitrous oxide, a greenhouse gas, and the main process responsible for the buffering capacity of riparian zones against diffuse nitrate pollution. 2. The aim of this study was to measure denitrification rates under a wide range of current climatic conditions and hydrological regimes in Europe (from latitude 64 degrees N to latitude 42 degrees N and from longitude 2 degrees W to longitude 25 degrees E), in order to determine the response patterns of this microbial process under different climatic and hydrological conditions, and to identify denitrification proxies robust enough to be used at the European scale. 3. Denitrification activity was significant in all the floodplain soils studied whatever the latitude. However, we found an increase in rates of an order of magnitude from high to mid latitudes. Maximum rates (above 30 g N m(-2) month(-1)) were measured in the maritime conditions of the Trent floodplain. These rates are similar to mineralisation rates measured in alluvial soils and of the same order of magnitude as the amount of N stored in herbaceous plants in alluvial soils. 4. We used Multivariate Adaptative Regression Splines to relate the response variable denitrification with five relevant predictors, namely soil moisture, temperature, silt plus clay, nitrate content and herbaceous plant biomass. 5. Soil moisture, temperature, and nitrate were the three main control variables of microbial denitrification in alluvial soils in decreasing order of importance. 6. The model developed for denitrification with interaction effects outperformed a pure additive model. Soil moisture was involved in all interactions, emphasising its importance in predicting denitrification. 7. These results are discussed in the context of scenarios for future change in European hydrological regimes.

Subject headings and genre

  • Climate change
  • Europe
  • microbial process
  • riparian zone
  • river
  • floodplain
  • NITROUS-OXIDE PRODUCTION
  • FRESH-WATER WETLANDS
  • CLIMATE-CHANGE
  • RIPARIAN ZONES
  • SHORTGRASS STEPPE
  • NUTRIENT DYNAMICS
  • RIVER FLOODPLAIN
  • FLUVIAL SYSTEMS
  • FLOODED SOIL
  • FOREST
  • NATURAL SCIENCES
  • NATURVETENSKAP
  • climate change
  • river floodplain

Added entries (persons, corporate bodies, meetings, titles ...)

  • Gumiero, B.Department of Ecology, University of Bologna (author)
  • Tabacchi, E.Laboratoire Dynamique de la Biodiversité (author)
  • Gimenez, O.Centre d'Ecologie Fonctionnelle & Evolutive, Montpellier (author)
  • Tabacchi-Planty, A. M.Laboratoire Dynamique de la Biodiversité, Toulouse (author)
  • Hefting, M. M.Department of Geobiology, University of Utrecht (author)
  • Burt, T. P.Department of Geography, University of Durham (author)
  • Black, V. A.Department of Geography, Loughborough University of Technology (author)
  • Nilsson, C.Landscape Ecology Group, Department of Ecology and Environmental Science, Umeå University (author)
  • Iordache, V.University of Bucharest, Department of Systems Ecology (author)
  • Bureau, F.Laboratoire d'Écologie ECODIV, University of Rouen, Mont Saint Aignan (author)
  • Vought, Lena B. M.Högskolan Kristianstad,Sektionen för lärande och miljö,Akvatisk biologi och kemi(Swepub:hkr)vol (author)
  • Petts, G. E.Department of Geography, Earth and Environmental Sciences, University of Birmingham (author)
  • Decamps, H.Laboratoire Dynamique de la Biodiversité, Toulouse (author)
  • Vought, Lena (author)
  • Petts, Geoffrey E. (author)
  • Hefting, Maria Margaretha (author)
  • Nilsson, ChristerUmeå universitet,Institutionen för ekologi, miljö och geovetenskap(Swepub:umu)chni0001 (author)
  • Tabacchi, Eric (author)
  • Burt, Tim P. (author)
  • Black, Valerie A. (author)
  • Black, Virgil (author)
  • Décamps, Henri (author)
  • Bureau, Fabrice (author)
  • Tabacchi-Planty, Anne Marie (author)
  • Gumiero, Bruna (author)
  • Gimenez, Olivier (author)
  • Centre d'Ecologie Fonctionnelle & Evolutive, MontpellierDepartment of Ecology, University of Bologna (creator_code:org_t)

Related titles

  • In:Freshwater Biology52:2, s. 252-2660046-50701365-24270046-5070

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Kristianstad University College
Umeå University
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