Seasonal Exposure to Drought and Air Warming Affects Soil Collembola and Mites
作者： Guo-Liang Xu , Thomas M. Kuster , Madeleine S. Günthardt-Goerg , Matthias Dobbertin , Mai-He Li
DOI: 10.1371/JOURNAL.PONE.0043102
关键词: Soil respiration 、 Soil biology 、 Soil mesofauna 、 Biomass (ecology) 、 Soil pH 、 Soil water 、 Soil type 、 Agronomy 、 Biology 、 Ecosystem
摘要: Global environmental changes affect not only the aboveground but also belowground components of ecosystems. The effects seasonal drought and air warming on genus level richness Collembola, abundance biomass community Collembola mites were studied in an acidic a calcareous forest soil model oak-ecosystem experiment (the Querco experiment) at Swiss Federal Research Institute WSL Birmensdorf. included four climate treatments: control, with 60% reduction rainfall, temperature increase 1.4°C, + drought. Soil water content was greatly reduced by surface slightly increased both treatment. mesofauna samples taken end first experimental year. Drought found to microarthropod fauna, reduce community. percentage small (body length 0.20 mm) increased, large >0.40 decreased under Air had minor fauna. All treatments significantly soil, soil. appeared have negative impact change fauna may vary type.
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