Articles with "karst region" as a keyword



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Spatial distribution patterns of rock fragments and their underlying mechanism of migration on steep hillslopes in a karst region of Yunnan Province, China

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Published in 2019 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-019-05658-1

Abstract: In mountainous areas, rock fragments (RFs) are a common feature on the soil surface and in topsoil. Few studies, however, have investigated the spatial distribution of RFs and the relevant mechanisms underpinning their distribution on… read more here.

Keywords: hillslopes karst; steep hillslopes; karst region; spatial distribution ... See more keywords
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Pollution assessment and source analysis of heavy metals in acidic farmland of the karst region in southern China—A case study of Quanzhou County

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Published in 2020 at "Applied Geochemistry"

DOI: 10.1016/j.apgeochem.2020.104764

Abstract: Abstract This research focused on the concentrations, pollution assessment, and source identification of eight heavy metals in acidic farmland of the karst region in China. Two hundred eighty-eight soil samples (0–20 cm) were collected from… read more here.

Keywords: region; pollution assessment; farmland karst; karst region ... See more keywords
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Enrichment and source identification of Cd and other heavy metals in soils with high geochemical background in the karst region, Southwestern China.

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Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2019.125620

Abstract: The geographical distributions of Cd and several other metals (Cu, Ni, Pb, Zn, and Cr) were characterized in 308 terra rossa samples across the Guangxi karst region. We found significant enrichments of heavy metals in… read more here.

Keywords: rossa; source; karst region; terra rossa ... See more keywords
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Effects of nitrogen, phosphorus and potassium addition on the productivity of a karst grassland: plant functional group and community perspectives

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Published in 2018 at "Ecological Engineering"

DOI: 10.1016/j.ecoleng.2018.04.008

Abstract: Abstract Rocky desertification is currently the most serious ecological and environmental problem in karst region of southwestern China. Its negative consequences for both natural ecosystems and the human inhabitants of the karst region have created… read more here.

Keywords: karst grassland; plant; biomass; nitrogen phosphorus ... See more keywords
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Effects and implications of ecological restoration projects on ecosystem water use efficiency in the karst region of Southwest China

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Published in 2021 at "Ecological Engineering"

DOI: 10.1016/j.ecoleng.2021.106356

Abstract: Abstract Large-area ecological restoration projects have been implemented to enhance ecosystem resistance in the karst region of Southwest China since the beginning of the 21st century. Variability in ecosystem water use efficiency (WUE) reflects the… read more here.

Keywords: restoration projects; water; region; karst region ... See more keywords
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Identification of the sources and influencing factors of potentially toxic elements accumulation in the soil from a typical karst region in Guangxi, Southwest China.

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Published in 2019 at "Environmental pollution"

DOI: 10.1016/j.envpol.2019.113505

Abstract: Southwestern China contains the largest and most well-developed karst region in the world, and the potentially toxic elements (PTEs) content in the soils of the region is remarkably high. To explore the internal and external… read more here.

Keywords: potentially toxic; karst region; china; soil ptes ... See more keywords
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Artemisiacalcicola (Asteraceae, Anthemideae), a new species from karst region in Guizhou, southwestern China

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Published in 2022 at "PhytoKeys"

DOI: 10.3897/phytokeys.213.96203

Abstract: Abstract Artemisiacalcicola (Asteraceae, Anthemideae), a new species from karst region in Shibing county, Guizhou province, southwestern China, is described and illustrated. The species can be readily assigned to A.subg.Artemisia in having fertile disk florets and… read more here.

Keywords: anthemideae new; asteraceae anthemideae; species karst; new species ... See more keywords