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Estimating Net Primary Productivity and Nutrient Stock in Plant in Freshwater Marsh, Northeastern China
Yu, Junbao1,2,3; Liu, Jingshuang2; Meixner, Franz X.3; Wang, Jinda2; Gao, Yongjun4; Wang, Yang2; Qi, Xiaoning2; Chen, Xiaobing1
2010-11-01
发表期刊CLEAN-SOIL AIR WATER
卷号38期号:11页码:1080-1086
产权排序[Yu, Junbao; Chen, Xiaobing] Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Shandong Prov Key Lab Coastal Zone Environm P, Key Lab Coastal Zone Environm Proc,Lab Coastal We, Yantai 264003, Peoples R China; [Yu, Junbao; Liu, Jingshuang; Wang, Jinda; Wang, Yang; Qi, Xiaoning] Chinese Acad Sci, NE Inst Geog & Agr Ecol, Dept Reg Agr, Key Lab Wetland Ecol & Environm, Changchun, Peoples R China; [Yu, Junbao; Meixner, Franz X.] Max Planck Inst Chem, Biogeochem Dept, D-6500 Mainz, Germany; [Gao, Yongjun] Univ Houston, Dept Earth & Atmospher Sci, Houston, TX USA
摘要We have investigated the contributions of three dominant macrophyte species Deyeuxia angustifolia Carex lasiocarpa and Carex pseudocuraica (covering about 10 304 km(2)) to carbon (C) nitrogen (N) and phosphorus (P) stocks in the largest freshwater marsh (17 300 km(2)) in China for a 3 year period (from 2002 to 2004) The monthly biomass seasonal and annual net primary productivity (NPP) and nutrient concentrations of three species were measured All three plant species showed rapid growth in the rainy season The maximum and minimum production rates in the freshwater marsh were similar to 36 19 and similar to 9 92 g m(-2) day(-1) respectively The total NPP accounts 1900-2700 g m(-2) year(-1) in the studied area Total organic carbon (TOC) total nitrogen (TN) and total phosphorus (IT) concentrations in roots were higher than those in stem and leaf tissues The vast beds of the three studied species comprise 80% of the grass covered marsh of Sanjiang plain contributing annual nutrient stocks of similar to 10 99 x 10(6) similar to 788 36 x 10(3) and similar to 18 10 x 10(3) t (tonnes) for TOC TN and IT respectively Our results suggest that the nutrient bioaccumulation capacity in freshwater marshes depend mainly on plant species which are decided by hydrological conditions The nutrient stocks in the Sanjiang plain marsh have been greatly reduced because some of the area occupied by C lasiocarpa was replaced by D angustifolia as a result of succession caused by the changes of water table; We have investigated the contributions of three dominant macrophyte species Deyeuxia angustifolia Carex lasiocarpa and Carex pseudocuraica (covering about 10 304 km(2)) to carbon (C) nitrogen (N) and phosphorus (P) stocks in the largest freshwater marsh (17 300 km(2)) in China for a 3 year period (from 2002 to 2004) The monthly biomass seasonal and annual net primary productivity (NPP) and nutrient concentrations of three species were measured All three plant species showed rapid growth in the rainy season The maximum and minimum production rates in the freshwater marsh were similar to 36 19 and similar to 9 92 g m(-2) day(-1) respectively The total NPP accounts 1900-2700 g m(-2) year(-1) in the studied area Total organic carbon (TOC) total nitrogen (TN) and total phosphorus (IT) concentrations in roots were higher than those in stem and leaf tissues The vast beds of the three studied species comprise 80% of the grass covered marsh of Sanjiang plain contributing annual nutrient stocks of similar to 10 99 x 10(6) similar to 788 36 x 10(3) and similar to 18 10 x 10(3) t (tonnes) for TOC TN and IT respectively Our results suggest that the nutrient bioaccumulation capacity in freshwater marshes depend mainly on plant species which are decided by hydrological conditions The nutrient stocks in the Sanjiang plain marsh have been greatly reduced because some of the area occupied by C lasiocarpa was replaced by D angustifolia as a result of succession caused by the changes of water table
通讯作者Yu, JB, Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Shandong Prov Key Lab Coastal Zone Environm P, Key Lab Coastal Zone Environm Proc,Lab Coastal We, Yantai 264003, Peoples R China
关键词Biomass Freshwater Marsh Npp Nutrient Stock
作者部门滨海湿地实验室
项目资助者Chinese Academy of Sciences [kzcx2 yw 223, KZCX2 YW 309]; Science and Technology Development Program Project of Shandong Province [2008GG20005006, 2008GG3NS07005]; CAS/SAFEA
收录类别SCI
关键词[WOS]FLOATING-LEAVED MACROPHYTES ; CONSTRUCTED WETLAND ; BIOMASS ; DECOMPOSITION ; NITROGEN ; GRASSLANDS ; EMISSIONS ; METHANE ; DELTA ; FIELD
文章类型Article
语种英语
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
WOS记录号WOS:000285165000012
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/4402
专题滨海湿地实验室
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Shandong Prov Key Lab Coastal Zone Environm P, Key Lab Coastal Zone Environm Proc,Lab Coastal We, Yantai 264003, Peoples R China
2.Chinese Acad Sci, NE Inst Geog & Agr Ecol, Dept Reg Agr, Key Lab Wetland Ecol & Environm, Changchun, Peoples R China
3.Max Planck Inst Chem, Biogeochem Dept, D-55128 Mainz, Germany
4.Univ Houston, Dept Earth & Atmospher Sci, Houston, TX USA
推荐引用方式
GB/T 7714
Yu, Junbao,Liu, Jingshuang,Meixner, Franz X.,et al. Estimating Net Primary Productivity and Nutrient Stock in Plant in Freshwater Marsh, Northeastern China[J]. CLEAN-SOIL AIR WATER,2010,38(11):1080-1086.
APA Yu, Junbao.,Liu, Jingshuang.,Meixner, Franz X..,Wang, Jinda.,Gao, Yongjun.,...&Chen, Xiaobing.(2010).Estimating Net Primary Productivity and Nutrient Stock in Plant in Freshwater Marsh, Northeastern China.CLEAN-SOIL AIR WATER,38(11),1080-1086.
MLA Yu, Junbao,et al."Estimating Net Primary Productivity and Nutrient Stock in Plant in Freshwater Marsh, Northeastern China".CLEAN-SOIL AIR WATER 38.11(2010):1080-1086.
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