Full TGIF Record # 62502
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Web URL(s):https://link.springer.com/article/10.1023/A%3A1004682620283
    Last checked: 09/27/2017
    Access conditions: Item is within a limited-access website
    Notes: Guide page
Publication Type:
i
Refereed
Author(s):Ekschmitt, Klemens; Bakonyi, Gabor; Bongers, Marina; Bongers, Tom; Boström, Sven; Dogan, Hülya; Harrison, Andrew; Kallimanis, Athanassios; Nagy, Péter; O'Donnell, Anthony G.; Sohlenius, Björn; Stamou, George P.; Wolters, Volkmar
Author Affiliation:Ekschmitt, Dogan and Wolters: Justus Liebig University, Institute of Zoology, Stephanstrasse 24, D-35390 Giessen, Germany; Bakonyi and Nagy: Gödöllö University of Agricultural Sciences, Department of Zoology and Ecology, H-2103 Gödöllö, Páter K. u. l., Hungary; Bongers and Bongers: Wageningen Agricultural University, Laboratory of Nematology, Post Box 8123, NL-6700 ES Wageningen, The Netherlands; Boström and Sohlenius: Swedish Museum of Natural History, Department of Invertebrate Zoology, Box 50007, S 104 05 Stockholm, Sweden; Harrison and O'Donenell: University of Newcastle, Department of Agricultural and Environmental Science, Newcastle upon Tyne, NE1 7RU, United Kingdom; and Stamou: Aristotle University of Thessaloniki, School of Biology, Department of Ecology, UPB 119, GR-54006 Thessaloniki, Greece
Title:Effects of the nematofauna on microbial energy and matter transformation rates in European grassland soils
Section:Nematodes in soil ecosystems
Other records with the "Nematodes in soil ecosystems" Section
Meeting Info.:24th European Society of Nematologists' Symposium; 4-9 August 1998; Dundee, UK
Source:Plant and Soil. Vol. 212, No. 1, 1999, p. 45-61.
# of Pages:17
Publishing Information:Dordrecht, Netherlands: Kluwer Academic Publishers
Keywords:TIC Keywords: Nematoda; Grasslands; Comparisons; Environmental effects; Nitrogen; Nutrient availability; Grazing; Plant animal interaction; Soil microorganisms; Site factors; Microclimate; Soil temperature; Soil water content; Sampling; Analysis; Models; Mathematical equations; Biomass; Carbon; Geographical distribution; Respiration
Abstract/Contents:"The effect of the nematofauna on the microbiology and soil nitrogen status was studied in 6 major European grassland types (Northern Tundra (Abisko, Sweden), Atlantic heath (Otterburn, UK), wet grassland (Wageningen, Netherlands), semi-natural temperate grassland (Linden, Germany), East European steppe (Pusztaszer, Hungary), and Mediterranean garigue (Mt. Vermion, Greece). To extend the range of temperature and humidity experienced locally during the investigation period, soil microclimates were manipulated, and at each site 14 plots were established representing selected combinations of 6 temperature and 6 mositure levels. The investigated soils divided into two groups: mineral grassland soils that were precipitation fed (garigue, wet grassland, seminatural grassland, steppe), and wet organic soils that were groundwater fed (heath, tundra). Effects of the nematofauna on the microflora were found in the mineral soils, where correlations among nematode metabolic activity as calculated from a metabolic model, and microbial activity parameters as indicated by Biolog and ergosterol measurements, were significantly positive. Correlations with bacterial activity were stronger and more consistent. Microbial parameters, in turn, were significantly correlated with the size of the soil nitrogen pools NH4, NO3, and Norganic. Furthermore, model results suggested that there were remarkable direct effects of nematodes on soil nitrogen status. Calculated monthly nematode excretion contributed temporarily up to 27% of soluble soil nitrogen, depending on the site and the microclimate. No significant correlation among nematodes and microbial parameters, or nitrogen pools, were found in the wet organic soils. The data shows that the nematofauna can under favourable conditions affect soil nitrogen status in mineral grassland soils both directly by exctetion of N, and indirectly by regulation microbial activity. This suggests that the differences in nitrogen availability observed in such grasslands partly reflect differences in the activity of their indigenous nematofauna."
Language:English
References:54
Note:Map
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Graphs
Geographic Terms:Europe
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ekschmitt, K., G. Bakonyi, M. Bongers, T. Bongers, S. Boström, H^D". Dogan, et al. 1999. Effects of the nematofauna on microbial energy and matter transformation rates in European grassland soils. Plant Soil. 212(1):p. 45-61.
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Web URL(s):
https://link.springer.com/article/10.1023/A%3A1004682620283
    Last checked: 09/27/2017
    Access conditions: Item is within a limited-access website
    Notes: Guide page
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