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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00005143naa a2200517 4500
001oai:DiVA.org:uu-392137
003SwePub
008190902s2019 | |||||||||||000 ||eng|
009oai:slubar.slu.se:101170
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3921372 URI
0247 a https://doi.org/10.1007/s11356-019-05702-02 DOI
0247 a https://res.slu.se/id/publ/1011702 URI
040 a (SwePub)uud (SwePub)slu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Liu, Jiangu Southwest Univ, Coll Resources & Environm, Dept Environm Sci & Engn, Chongqing 400715, Peoples R China4 aut
2451 0a Rice-paddy field acts as a buffer system to decrease the terrestrial characteristics of dissolved organic matter exported from a typical small agricultural watershed in the Three Gorges Reservoir Area, China
264 c 2019-06-19
264 1b SPRINGER HEIDELBERG,c 2019
338 a print2 rdacarrier
520 a Agricultural watersheds are a crucial contributor of terrestrial dissolved organic matter (DOM) for the adjacent aquatic environment. Recently, ecological engineering of the buffer zone such as a rice-paddy field was established to reduce the export of nutrients and contaminants from a small agricultural watershed. However, the potential of the rice-paddy field to reduce the terrestrial signature of DOM is unclear. Therefore, two small agricultural sub-catchments (i.e., sub-1 and sub-2) with different land uses and hill slope angles in the Three Gorges Reservoir (TGR) area of China were studied from 2014 to 2015. The results showed that the terrestrial DOM signals are indicated by optical indices (SUVA(254), S-R, fluorescence index) in the steeper and more forest covered, but rice-paddy field buffered sub-catchment (i.e., sub-2) decreased significantly, as compared to the reference sub-catchment (i.e., sub-1). Regardless of seasonal variations, the rice-paddy field retained a buffering role to reduce the terrestrial property of DOM and the highest capacity was observed during the rice-growth period. However, during storm events, the differences of DOM properties for two sub-catchments were not significant, because the buffer system was weakened. Finally, environmental implications of the role of such a buffer zone in the TGR areas are discussed. These results demonstrate that rice-paddy fields are successful in mitigating the terrestrial property of exported DOM, but the weaker performance during storm events still needs to be considered.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Miljövetenskap0 (SwePub)105022 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Environmental Sciences0 (SwePub)105022 hsv//eng
650 7a LANTBRUKSVETENSKAPERx Lantbruksvetenskap, skogsbruk och fiskex Jordbruksvetenskap0 (SwePub)401012 hsv//swe
650 7a AGRICULTURAL SCIENCESx Agriculture, Forestry and Fisheriesx Agricultural Science0 (SwePub)401012 hsv//eng
653 a Dissolved organic matter
653 a Terrestrial characteristics
653 a Rice-paddy field
653 a Agricultural watershed
653 a Buffer zone
653 a The Three Gorges Reservoir Area
7001 a Jiang, Taou Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management,Southwest University,Southwest Univ, Coll Resources & Environm, Dept Environm Sci & Engn, Chongqing 400715, Peoples R China;Swedish Univ Agr Sci, Dept Forest Ecol & Management, SE-90183 Umea, Sweden4 aut0 (Swepub:slu)110878
7001 a Kothawala, Dollyu Uppsala universitet,Limnologi,Uppsala University4 aut0 (Swepub:slu)105099
7001 a Wang, Qileiu Southwest Univ, Coll Resources & Environm, Dept Environm Sci & Engn, Chongqing 400715, Peoples R China4 aut
7001 a Zhao, Zhengu Southwest Univ, Coll Resources & Environm, Dept Environm Sci & Engn, Chongqing 400715, Peoples R China;Environm Monitoring Cent Stn Guizhou Prov, Guiyang 550081, Guizhou, Peoples R China4 aut
7001 a Wang, Dingyongu Southwest Univ, Coll Resources & Environm, Dept Environm Sci & Engn, Chongqing 400715, Peoples R China4 aut
7001 a Mu, Zhijianu Southwest Univ, Coll Resources & Environm, Dept Environm Sci & Engn, Chongqing 400715, Peoples R China4 aut
7001 a Zhang, Jinzhongu Southwest Univ, Coll Resources & Environm, Dept Environm Sci & Engn, Chongqing 400715, Peoples R China4 aut
7102 a Southwest Univ, Coll Resources & Environm, Dept Environm Sci & Engn, Chongqing 400715, Peoples R Chinab Institutionen för skogens ekologi och skötsel4 org
7102 a Sveriges lantbruksuniversitet
7730 t Environmental Science and Pollution Researchd : SPRINGER HEIDELBERGg 26:23, s. 23873-23885q 26:23<23873-23885x 0944-1344x 1614-7499
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-392137
8564 8u https://doi.org/10.1007/s11356-019-05702-0
8564 8u https://res.slu.se/id/publ/101170

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