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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004226naa a2200481 4500
001oai:DiVA.org:lnu-96155
003SwePub
008200614s2020 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-961552 URI
024a https://doi.org/10.1016/j.scitotenv.2020.1397232 DOI
040 a (SwePub)lnu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Hao, Qianu Tianjin University, China4 aut
2451 0a Holocene carbon accumulation in lakes of the current east Asian monsoonal margin: Implications under a changing climate
264 1b Elsevier,c 2020
338 a print2 rdacarrier
520 a Carbon (C) present in lake sediments is an important global sink for CO2; however, an in-depth understanding of the impact of climate variability and the associated changes in vegetation on sediment C dynamics is still lacking. A total of 13 lakes were studied to quantify the influence of climate and vegetation on the reconstructed Holocene C accumulation rate (CAR) in lake sediments of the modern East Asian monsoonal margin. The corresponding paleoclimate information was assessed, including the temperature (30–90°N in the Northern Hemisphere) and precipitation (indicated by the δ18O of the Sanbao, Dongge, and Hulu caves). The Holocene vegetation conditions were inferred by pollen records, including arboreal pollen/non-arboreal pollen and pollen percentages. The results showed that the peak CAR occurred during the mid-Holocene, coinciding with the strongest period of the East Asian summer monsoon and expansion of forests. Lakes in the temperate steppe (TS) regions had a mean CAR of 13.41 ± 0.88 g C m−2 yr−1, which was significantly greater than the CARs of temperate desert (TD) and highland meadow/steppe (HMS; 6.76 ± 0.29 and 7.39 ± 0.73 g C m−2 yr−1, respectively). The major influencing factor for the TS sub-region was vegetation dynamics, especially the proportion of arboreal vegetation, while temperature and vegetation coverage were more important for the HMS. These findings indicate that C accumulation in lake sediments is linked with climate and vegetation changes over long timescales; however, there was notable spatial heterogeneity in the CARs, such as opposing temporal changes and different major influencing factors among the three sub-regions during the mid-Holocene. Aridification and forest loss would decrease C storage. However, prediction of C accumulation remains difficult because of the spatial heterogeneity in CARs and the interaction between the CAR and various factors under future climate change conditions.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng
653 a Carbon sequestration
653 a Pollen records
653 a Temperate steppe
653 a Temperate desert
653 a Highland meadow/steppe
653 a Miljövetenskap
653 a Environmental Science
700a Yang, Shileiu Tianjin University, China4 aut
700a Song, Zhaoliangu Tianjin University, China4 aut
700a Ran, Xiangbinu State Oceanic Administration, China4 aut
700a Yu, Changxun,d 1983-u Linnéuniversitetet,Institutionen för biologi och miljö (BOM)4 aut0 (Swepub:lnu)chyuaa
700a Chen, Chunmeiu Tianjin University, China4 aut
700a Van Zwieten, Lukasu New South Wales Department of Primary Industries, Australia4 aut
700a Quine, Timothy A.u University of Exeter, UK4 aut
700a Liu, Hongyanu Peking University, China4 aut
700a Wang, Zhengangu Sun Yat-Sen University, China4 aut
700a Wang, Hailongu Foshan University, China;Zhejiang A&F University, China4 aut
710a Tianjin University, Chinab State Oceanic Administration, China4 org
773t Science of the Total Environmentd : Elsevierg 737, s. 1-13q 737<1-13x 0048-9697x 1879-1026
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-96155
8564 8u https://doi.org/10.1016/j.scitotenv.2020.139723

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