Effects of continual burial by sediment on seedling emergence and morphology of Suaeda salsa in the coastal marsh of the Yellow River estuary, China
Sun, Zhigao1; Song, Hongli1,2; Sun, Jingkuan3; Sun, Wenguang1; Sun, ZG (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China. zgsun@yic.ac.cn
发表期刊JOURNAL OF ENVIRONMENTAL MANAGEMENT
ISSN0301-4797
2014-03-15
卷号135页码:27-35
关键词Continual Burial Morphological Trait Seedling Emergence Suaeda Salsa Yellow River Estuary
DOI10.1016/j.jenvman.2014.01.017
产权排序[Sun, Zhigao; Song, Hongli; Sun, Wenguang] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China; [Song, Hongli] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Sun, Jingkuan] Binzhou Univ, Shandong Prov Key Lab Ecoenvironm Sci Yellow Rive, Binzhou 256603, Shandong, Peoples R China
作者部门中科院海岸带环境过程与生态修复重点实验室
英文摘要A greenhouse study was conducted to determine the impacts of continual burial on seedling emergence and morphology of Suaeda salsa, a pioneer species in the coastal marsh of the Yellow River estuary. From May to June 2012, seeds of S. salsa were artificially buried to depths of 0 cm (no burial), 2 cm (burial of 1 mm d(-1)), 4 cm (burial of 2 mm d(-1)), 6 cm (burial of 3 mm d(-1)), 8 cm (burial of 4 mm d(-1)) and 10 cm (burial of 5 mm d(-1)) in plastic pots filled with unsterilized sediment. Results showed that the percent emergence of seedlings had a significantly negative correlation with continual burial depth (p < 0.001). A large percentage of seedlings emerged from 2, 4 and 6 cm burial depths, with the highest emergence (56.00 6.60%) occurring from 2 cm depth. The shortest emergence time occurred at 4 cm burial depth and seeds buried at 10 cm depth took longer to emerge than those at other depths. At shallow or moderate burials, a stimulatory effect on seedling height, stem diameter, number and length of branch, taproot length and dry mass were observed. With increasing burial depth, root-mass and leaf-mass ratios generally increased while stem-mass ratio decreased. Sediment burial also stimulated part of the hypocotyl below the sediment to form adventitious roots, implying that S. salsa seedlings had a special adaptive strategy in response to the rapid and dynamic burial environment in the coastal marsh of the Yellow River estuary. The use of thin-layer continual burial (1-2 mm d(-1)) to promote the emergence of S. salsa seedlings in degraded marsh was feasible, and our study provided another way for the restoration of S. salsa marsh during the initial stage of seedling establishment and laid a good foundation for the scientific decision-making and management of restoration project at a large scale. (c) 2014 Elsevier Ltd. All rights reserved.; A greenhouse study was conducted to determine the impacts of continual burial on seedling emergence and morphology of Suaeda salsa, a pioneer species in the coastal marsh of the Yellow River estuary. From May to June 2012, seeds of S. salsa were artificially buried to depths of 0 cm (no burial), 2 cm (burial of 1 mm d(-1)), 4 cm (burial of 2 mm d(-1)), 6 cm (burial of 3 mm d(-1)), 8 cm (burial of 4 mm d(-1)) and 10 cm (burial of 5 mm d(-1)) in plastic pots filled with unsterilized sediment. Results showed that the percent emergence of seedlings had a significantly negative correlation with continual burial depth (p < 0.001). A large percentage of seedlings emerged from 2, 4 and 6 cm burial depths, with the highest emergence (56.00 6.60%) occurring from 2 cm depth. The shortest emergence time occurred at 4 cm burial depth and seeds buried at 10 cm depth took longer to emerge than those at other depths. At shallow or moderate burials, a stimulatory effect on seedling height, stem diameter, number and length of branch, taproot length and dry mass were observed. With increasing burial depth, root-mass and leaf-mass ratios generally increased while stem-mass ratio decreased. Sediment burial also stimulated part of the hypocotyl below the sediment to form adventitious roots, implying that S. salsa seedlings had a special adaptive strategy in response to the rapid and dynamic burial environment in the coastal marsh of the Yellow River estuary. The use of thin-layer continual burial (1-2 mm d(-1)) to promote the emergence of S. salsa seedlings in degraded marsh was feasible, and our study provided another way for the restoration of S. salsa marsh during the initial stage of seedling establishment and laid a good foundation for the scientific decision-making and management of restoration project at a large scale. (c) 2014 Elsevier Ltd. All rights reserved.
文章类型Article
资助机构Environmental Sciences & Ecology
收录类别SCI
语种英语
关键词[WOS]SAND BURIAL ; NITRARIA-SPHAEROCARPA ; ELYMUS-FARCTUS ; GROWTH ; GERMINATION ; ESTABLISHMENT ; SURVIVAL ; DUNES ; SOIL ; PLANTS
研究领域[WOS]Environmental Sciences & Ecology
WOS记录号WOS:000334477100004
引用统计
被引频次:10[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/133337/8763
专题中国科学院海岸带环境过程与生态修复重点实验室
中国科学院海岸带环境过程与生态修复重点实验室_滨海湿地实验室
通讯作者Sun, ZG (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China. zgsun@yic.ac.cn
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Binzhou Univ, Shandong Prov Key Lab Ecoenvironm Sci Yellow Rive, Binzhou 256603, Shandong, Peoples R China
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GB/T 7714
Sun, Zhigao,Song, Hongli,Sun, Jingkuan,et al. Effects of continual burial by sediment on seedling emergence and morphology of Suaeda salsa in the coastal marsh of the Yellow River estuary, China[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2014,135:27-35.
APA Sun, Zhigao,Song, Hongli,Sun, Jingkuan,Sun, Wenguang,&Sun, ZG .(2014).Effects of continual burial by sediment on seedling emergence and morphology of Suaeda salsa in the coastal marsh of the Yellow River estuary, China.JOURNAL OF ENVIRONMENTAL MANAGEMENT,135,27-35.
MLA Sun, Zhigao,et al."Effects of continual burial by sediment on seedling emergence and morphology of Suaeda salsa in the coastal marsh of the Yellow River estuary, China".JOURNAL OF ENVIRONMENTAL MANAGEMENT 135(2014):27-35.
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