Article (Scientific journals)
Ecosystem service delivery in Karst landscapes: anthropogenic perturbation and recovery
Quine, T.A.; Guo, D.; Green, S. M. et al.
2017In Acta Geochimica, 36 (3), p. 416-420
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Keywords :
Caesium-137; Ecosystem services; Karst, China; Soil degradation; Carbon; Cesium; Cultivation; Ecology; Land use; Landforms; Organic carbon; Soils; Vegetation; Ecological services; Ecosystem degradation; Soil organic Carbon stocks; Sustainable delivery; Ecosystems; China
Abstract :
[en] Covering extensive parts of China, Karst landscapes are exceptional because rapid and intensive land use change has caused severe ecosystem degradation within only the last 50 years. The twentieth century intensification in food production through agriculture has led to a rapid deterioration of soil quality, evidenced in reduced crop production and rapid loss of soil. In many areas, a tipping point appears to have been passed as basement rock is exposed and ‘rocky desertification’ dominates. Through the establishment of the “Soil processes and ecological services in the karst critical zone of SW China” (SPECTRA) Critical Zone Observatory (CZO) we will endevaour to understand the fundmental processes involved in soil production and erosion, and investigate the integrated geophysical-geochemical-ecological responses of the CZ to perturbations. The CZ spans a gradient from undisturbed natural vegetation through human perturbed landscapes. We seek to understand the importance of heterogeneity in surface and below-ground morphology and flow pathways in determining the spatial distribution of key stocks (soil, C, vegetation, etc.) and their control on ecosystem service delivery. We will assess the extent to which the highly heterogeneous critical zone resources can be restored to enable sustainable delivery of ecosystem services. This paper presents the CZO design and initial assessment of soil and soil organic carbon stocks and evidence for their stability based on caesium-137 (137Cs) data. © 2017, The Author(s).
Disciplines :
Environmental sciences & ecology
Author, co-author :
Quine, T.A.;  Geography, College of Life and Environmental Sciences, University of Exeter, Rennes Drive, Exeter, EX4 4RJ, United Kingdom
Guo, D.;  Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China
Green, S. M.;  Geography, College of Life and Environmental Sciences, University of Exeter, Rennes Drive, Exeter, EX4 4RJ, United Kingdom
Tu, C.;  State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou Province 550081, China
Hartley, I.;  Geography, College of Life and Environmental Sciences, University of Exeter, Rennes Drive, Exeter, EX4 4RJ, United Kingdom
Zhang, X.;  Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China
Dungait, J.;  Rothamsted Research - North Wyke, Okehampton, Devon, EX20 2SB, United Kingdom
Wen, X.;  Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China
Song, Z.;  Institute of the Surface-Earth System Science Research, Tianjin University, Tianjin, 300072, China
Liu, H.;  College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
Buss, H.;  School of Earth Sciences, Wills Memorial Building, Queens Road, Clifton, BS8 1RJ, United Kingdom
Barrows, T.;  Geography, College of Life and Environmental Sciences, University of Exeter, Rennes Drive, Exeter, EX4 4RJ, United Kingdom
Evershed, R.;  School of Chemistry, University of Bristol, Cantock’s Close, Clifton, Bristol, BS8 1TS, United Kingdom
Johnes, P.;  School of Geographical Sciences, University of Bristol, University Road, Clifton, Bristol, BS8 1SS, United Kingdom
Meersmans, Jeroen ;  Université de Liège - ULiège > Département GxABT > Analyse des risques environnementaux
More authors (5 more) Less
Language :
English
Title :
Ecosystem service delivery in Karst landscapes: anthropogenic perturbation and recovery
Publication date :
2017
Journal title :
Acta Geochimica
ISSN :
2096-0956
eISSN :
2365-7499
Publisher :
Science Press
Volume :
36
Issue :
3
Pages :
416-420
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
NE/N007603/ 1\r\n\r\nNational Natural Science Foundation of China, NSFC: 41571130042, 41571130041
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