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Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China

HUO Lili,  ZOU Yuanchun,  LYU Xianguo,  ZHANG Zhongsheng,  WANG Xuehong,  AN Yi

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文章导航 > Chinese Geographical Science  > 2018 >  28(2): 325-336
HUO Lili, ZOU Yuanchun, LYU Xianguo, ZHANG Zhongsheng, WANG Xuehong, AN Yi. Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China[J]. 中国地理科学, 2018, 28(2): 325-336. doi: 10.1007/s11769-018-0939-5
引用本文: HUO Lili, ZOU Yuanchun, LYU Xianguo, ZHANG Zhongsheng, WANG Xuehong, AN Yi. Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China[J]. 中国地理科学, 2018, 28(2): 325-336. doi: 10.1007/s11769-018-0939-5
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HUO Lili, ZOU Yuanchun, LYU Xianguo, ZHANG Zhongsheng, WANG Xuehong, AN Yi. Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China[J]. Chinese Geographical Science, 2018, 28(2): 325-336. doi: 10.1007/s11769-018-0939-5
Citation: HUO Lili, ZOU Yuanchun, LYU Xianguo, ZHANG Zhongsheng, WANG Xuehong, AN Yi. Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China[J]. Chinese Geographical Science, 2018, 28(2): 325-336. doi: 10.1007/s11769-018-0939-5
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Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China

doi: 10.1007/s11769-018-0939-5
  • 1.

    Agro-Environmental Protection Institute of Ministry of Agriculture, Tianjin 300191, China;

  • 2.

    Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China;

  • 3.

    Joint Key Laboratory of Changbai Mountain Wetland and Ecology, Jilin Province, Changchun 130102, China

基金项目: Under the auspices of National Natural Science Foundation of China (No. 41501102, 41471081, 41601104), Science and Technology Innovation Project of China Academy of Agricultural Sciences (No. 2017-cxgc-lyj), Science & Technology Project of Industry (No. 201403014).
详细信息
    通讯作者:

    AN Yi.E-mail:family198610@163.com

Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China

  • 1.

    Agro-Environmental Protection Institute of Ministry of Agriculture, Tianjin 300191, China;

  • 2.

    Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China;

  • 3.

    Joint Key Laboratory of Changbai Mountain Wetland and Ecology, Jilin Province, Changchun 130102, China

Funds: Under the auspices of National Natural Science Foundation of China (No. 41501102, 41471081, 41601104), Science and Technology Innovation Project of China Academy of Agricultural Sciences (No. 2017-cxgc-lyj), Science & Technology Project of Industry (No. 201403014).
More Information
    Corresponding author: AN Yi.E-mail:family198610@163.com

  • 摘要: Content and density of soil organic carbon (SOC) and labile and stable SOC fractions in peat mire soil in wetland, soybean field and rice paddy field reclaimed from the wetland around Xingkai Lake in Northeast China were studied. Studies were designed to investigate the impact of reclamation of wetland for soybean and rice farming on stability of SOC. After reclamation, SOC content and density in the top 0-30 cm soil layer decreased, and SOC content and density in soybean field were higher than that in paddy field. Content and density of labile SOC fractions also decreased, and density of labile SOC fractions and their ratios with SOC in soybean field were lower than that observed in paddy field. In the 0-30 cm soil layer, densities of labile SOC fractions, namely, dissolved organic carbon (DOC), microbial biomass carbon (MBC), readily oxidized carbon (ROC) and readily mineralized carbon (RMC), in both soybean field and paddy field were all found to be lower than those in wetland by 34.00% and 13.83%, 51.74% and 35.13%, 62.24% and 59.00%, and 64.24% and 17.86%, respectively. After reclamation, SOC density of micro-aggregates (< 0.25 mm) as a stable SOC fraction and its ratio with SOC in 0-5, 5-10, 10-20 and 20-30 cm soil layers increased. SOC density of micro-aggregates in the 0-30 cm soil layer in soybean field was 50.83% higher than that in paddy field. Due to reclamation, SOC density and labile SOC fraction density decreased, but after reclamation, most SOC was stored in a more complex and stable form. Soybean farming is more friendly for sustainable SOC residence in the soils than rice farming.
    Abstract: Content and density of soil organic carbon (SOC) and labile and stable SOC fractions in peat mire soil in wetland, soybean field and rice paddy field reclaimed from the wetland around Xingkai Lake in Northeast China were studied. Studies were designed to investigate the impact of reclamation of wetland for soybean and rice farming on stability of SOC. After reclamation, SOC content and density in the top 0-30 cm soil layer decreased, and SOC content and density in soybean field were higher than that in paddy field. Content and density of labile SOC fractions also decreased, and density of labile SOC fractions and their ratios with SOC in soybean field were lower than that observed in paddy field. In the 0-30 cm soil layer, densities of labile SOC fractions, namely, dissolved organic carbon (DOC), microbial biomass carbon (MBC), readily oxidized carbon (ROC) and readily mineralized carbon (RMC), in both soybean field and paddy field were all found to be lower than those in wetland by 34.00% and 13.83%, 51.74% and 35.13%, 62.24% and 59.00%, and 64.24% and 17.86%, respectively. After reclamation, SOC density of micro-aggregates (< 0.25 mm) as a stable SOC fraction and its ratio with SOC in 0-5, 5-10, 10-20 and 20-30 cm soil layers increased. SOC density of micro-aggregates in the 0-30 cm soil layer in soybean field was 50.83% higher than that in paddy field. Due to reclamation, SOC density and labile SOC fraction density decreased, but after reclamation, most SOC was stored in a more complex and stable form. Soybean farming is more friendly for sustainable SOC residence in the soils than rice farming.
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出版历程
  • 收稿日期:  2017-05-03
  • 修回日期:  2017-07-12
  • 刊出日期:  2018-04-27

Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China

doi: 10.1007/s11769-018-0939-5
  • 1. Agro-Environmental Protection Institute of Ministry of Agriculture, Tianjin 300191, China;
  • 2. Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China;
  • 3. Joint Key Laboratory of Changbai Mountain Wetland and Ecology, Jilin Province, Changchun 130102, China
    • 基金项目:  Under the auspices of National Natural Science Foundation of China (No. 41501102, 41471081, 41601104), Science and Technology Innovation Project of China Academy of Agricultural Sciences (No. 2017-cxgc-lyj), Science & Technology Project of Industry (No. 201403014).
    通讯作者: AN Yi.E-mail:family198610@163.com
  • 收稿日期: 2017-05-03
  • 修回日期: 2017-07-12
  • 刊出日期: 2018-04-27

摘要: Content and density of soil organic carbon (SOC) and labile and stable SOC fractions in peat mire soil in wetland, soybean field and rice paddy field reclaimed from the wetland around Xingkai Lake in Northeast China were studied. Studies were designed to investigate the impact of reclamation of wetland for soybean and rice farming on stability of SOC. After reclamation, SOC content and density in the top 0-30 cm soil layer decreased, and SOC content and density in soybean field were higher than that in paddy field. Content and density of labile SOC fractions also decreased, and density of labile SOC fractions and their ratios with SOC in soybean field were lower than that observed in paddy field. In the 0-30 cm soil layer, densities of labile SOC fractions, namely, dissolved organic carbon (DOC), microbial biomass carbon (MBC), readily oxidized carbon (ROC) and readily mineralized carbon (RMC), in both soybean field and paddy field were all found to be lower than those in wetland by 34.00% and 13.83%, 51.74% and 35.13%, 62.24% and 59.00%, and 64.24% and 17.86%, respectively. After reclamation, SOC density of micro-aggregates (< 0.25 mm) as a stable SOC fraction and its ratio with SOC in 0-5, 5-10, 10-20 and 20-30 cm soil layers increased. SOC density of micro-aggregates in the 0-30 cm soil layer in soybean field was 50.83% higher than that in paddy field. Due to reclamation, SOC density and labile SOC fraction density decreased, but after reclamation, most SOC was stored in a more complex and stable form. Soybean farming is more friendly for sustainable SOC residence in the soils than rice farming.

English Abstract

HUO Lili, ZOU Yuanchun, LYU Xianguo, ZHANG Zhongsheng, WANG Xuehong, AN Yi. Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China[J]. 中国地理科学, 2018, 28(2): 325-336. doi: 10.1007/s11769-018-0939-5
引用本文: HUO Lili, ZOU Yuanchun, LYU Xianguo, ZHANG Zhongsheng, WANG Xuehong, AN Yi. Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China[J]. 中国地理科学, 2018, 28(2): 325-336. doi: 10.1007/s11769-018-0939-5
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HUO Lili, ZOU Yuanchun, LYU Xianguo, ZHANG Zhongsheng, WANG Xuehong, AN Yi. Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China[J]. Chinese Geographical Science, 2018, 28(2): 325-336. doi: 10.1007/s11769-018-0939-5
Citation: HUO Lili, ZOU Yuanchun, LYU Xianguo, ZHANG Zhongsheng, WANG Xuehong, AN Yi. Effect of Wetland Reclamation on Soil Organic Carbon Stability in Peat Mire Soil Around Xingkai Lake in Northeast China[J]. Chinese Geographical Science, 2018, 28(2): 325-336. doi: 10.1007/s11769-018-0939-5
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