YangPengPenuelasEtAl2019

Reference

Yang, K., Peng, C., Peñuelas, J., Kardol, P., Li, Z., Zhang, L., Ni, X., Yue, K., Tan, B., Yin, R., Xu, Z. (2019) Immediate and carry-over effects of increased soil frost on soil respiration and microbial activity in a spruce forest. Soil Biology and Biochemistry, 135:51-59. (Scopus )

Abstract

Increased soil frost associated with winter climate change could have immediate and carry-over effects on biological processes in high-altitude forest soils, but the nature of these processes remain poorly understood. We conducted a snow-exclusion experiment to investigate the immediate and cross-seasonal effects of increased soil frost on soil CO2 efflux and biological activity in a subalpine spruce forest on the eastern Tibetan Plateau, China. The increased frost reduced soil CO2 efflux by ∼15 and ∼19% in the winters of 2015/2016 and 2016/2017, respectively. Increased frost also tended to decrease soil basal respiration, the amount of microbial phospholipid fatty acids and the activities of enzymes involved in soil carbon cycling during the winters. Winter soil nitrogen availabilities were higher in the snow-exclusion treatment than in the control plots. However, these effects did not carry over to the following growing season. Our results suggest that increased frost reduces winter soil respiration by direct environmental effects (e.g. soil temperature) and indirect biological processes (e.g. microbial biomass and activity), whereas increased frost did not induce any cross-seasonal effects. These findings underscore the ecological importance of seasonal snowpack and microbe-associated carbon processes in subalpine forests where winter snowfall is decreasing substantially. © 2019 Elsevier Ltd

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@ARTICLE { YangPengPenuelasEtAl2019,
    AUTHOR = { Yang, K. and Peng, C. and Peñuelas, J. and Kardol, P. and Li, Z. and Zhang, L. and Ni, X. and Yue, K. and Tan, B. and Yin, R. and Xu, Z. },
    TITLE = { Immediate and carry-over effects of increased soil frost on soil respiration and microbial activity in a spruce forest },
    JOURNAL = { Soil Biology and Biochemistry },
    YEAR = { 2019 },
    VOLUME = { 135 },
    PAGES = { 51-59 },
    NOTE = { cited By 0 },
    ABSTRACT = { Increased soil frost associated with winter climate change could have immediate and carry-over effects on biological processes in high-altitude forest soils, but the nature of these processes remain poorly understood. We conducted a snow-exclusion experiment to investigate the immediate and cross-seasonal effects of increased soil frost on soil CO2 efflux and biological activity in a subalpine spruce forest on the eastern Tibetan Plateau, China. The increased frost reduced soil CO2 efflux by ∼15 and ∼19% in the winters of 2015/2016 and 2016/2017, respectively. Increased frost also tended to decrease soil basal respiration, the amount of microbial phospholipid fatty acids and the activities of enzymes involved in soil carbon cycling during the winters. Winter soil nitrogen availabilities were higher in the snow-exclusion treatment than in the control plots. However, these effects did not carry over to the following growing season. Our results suggest that increased frost reduces winter soil respiration by direct environmental effects (e.g. soil temperature) and indirect biological processes (e.g. microbial biomass and activity), whereas increased frost did not induce any cross-seasonal effects. These findings underscore the ecological importance of seasonal snowpack and microbe-associated carbon processes in subalpine forests where winter snowfall is decreasing substantially. © 2019 Elsevier Ltd },
    AFFILIATION = { Institute of Ecology and Forest, Sichuan Agricultural University, Chengdu, China; Global Ecology Unit CREAF-CSIC-UAB, CSIC, Barcelona, Catalonia, Spain; Department of Biological Science, Institute of Environment Sciences, University of Quebec at Montreal, Montreal, Canada; Center for Ecological Forecasting and Global Change, College of Forestry, Northwest Agriculture & Forest University, Yangling, Shaanxi, China; CREAF, Barcelona, Spain; Department of Forest Ecology and Management, Swedish University of Agricultural Science, Umeå, 90183, Sweden; Forschungszentrum Jülich GmbH, Agrosphere (IBG-3), Jülich, Germany; Helmholtz-Centre for Environmental Research-UFZ, Department of Community Ecology, Theodor-Lieser-Strasse 4, Halle, Saale 06110, Germany },
    AUTHOR_KEYWORDS = { Fine root; Microbial biomass; Nitrogen availability; Snow exclusion; Soil aggregate; Soil enzyme },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1016/j.soilbio.2019.04.012 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85068818637&doi=10.1016%2fj.soilbio.2019.04.012&partnerID=40&md5=c724bfe774014a54a68036fe84f21af1 },
}

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