Single beam sonar reveals the distribution of the eelgrass Zostera marina L. and threats from the green tide algae Chaetomorpha linum K. in Swan-Lake lagoon (China)

doi:10.1016/j.marpolbul.2019.06.022

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋生态与环境科学重点实验室

	Single beam sonar reveals the distribution of the eelgrass Zostera marina L. and threats from the green tide algae Chaetomorpha linum K. in Swan-Lake lagoon (China)
	Xu, Shuai 4,5,6; Xu, Shaochun4,5,6 ; Zhou, Yi2,5,6 ; Zhao, Peng3 ; Yue, Shidong 4,5,6; Song, Xiaoyue 4,5,6; Zhang, Xiaomei2,5,6 ; Gu, Ruiting 4,5,6; Wang, Peiliang 1; Zhang, Yu 4,5,6
刊名	MARINE POLLUTION BULLETIN
	2019-08-01
卷号	145 页码:611-623
关键词	Single beam echosounder Mapping Seagrass beds Zostera marina Chaetomorpha linum Green tide macroalgae Swan Lake
ISSN号	0025-326X
DOI	10.1016/j.marpolbul.2019.06.022
通讯作者	Zhou, Yi(yizhou@qdio.ac.cn)
英文摘要	Seagrass meadows are declining at alarming rates globally due to both anthropogenic activities and natural threats. Seagrasses play key ecological roles in coastal ecosystems as primary producers and providers of habitat and environmental structure. Therefore, mapping seagrass beds is indispensable for the effective monitoring and management of coastal vegetated habitats. In contrast to direct sampling techniques and optical remote sensing, active hydroacoustic techniques are relatively inexpensive and efficient for the detection of seagrass. We used a single beam echosounder to detect the spatial and temporal distribution characteristics of the eelgrass Zostera marina L. in an important overwintering habitat for the whooper swan Cygnus cygnus (Swan-Lake lagoon), northern China. We also distinguished echograms of the macroalgae Chaetomorpha linum K. and outlined its threat to seagrass. We also propose a method for calculating the accuracy of interpolation analyses. Results showed that: (1) The distribution of seagrass in Swan Lake varies with seasons, with maximum distribution area in summer. The maximum distribution area of seagrass beds in Swan Lake was 199.09 ha-231.67 ha, accounting for 41.48%-48.26% of the area of Swan Lake; (2) C. linum is a growing threat for seagrass beds of Swan-lake, with distribution area as high as 129.28 ha in May 2018. The invasion and competition by C. linum against seagrass beds could be one of the reasons for the decline in seagrass beds in Swan-Lake; (3) Topo to Raster has the highest interpolation accuracy and is the most conservative among three interpolation methods. Topo to Raster was the most suitable interpolation method for the sonar detection of seagrass beds. The findings may facilitate the application of sonar technology in seagrass monitoring and provide data for the formulation of appropriate seagrass bed management and restoration strategies and policies.
资助项目	National Natural Science Foundation of China[41606192/41176140] ; Key Research and Development Program of Shandong Province[2017GHY15111] ; Key Research Project of Frontier Sciences of CAS[QYZDB-SSW-DQC041-1] ; National Science & Technology Basic Work Program[2015FY110600] ; NSFC-Shandong Joint Fund for Marine Science Research Centers[U1606404] ; Creative Team Project of the Laboratory for Marine Ecology and Environmental Science ; Qingdao National Laboratory for Marine Science and Technology[LMEES-CTSP-2018-1] ; Taishan Scholars Program (Distinguished Taishan Scholars)
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000482493000071
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/162693]
专题	海洋研究所_海洋生态与环境科学重点实验室
通讯作者	Zhou, Yi
作者单位	1.Weihai Hongrun Marine S&T Co LTD, Weihai 264200, Peoples R China 2.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Shandong, Peoples R China 3.State Ocean Adm, Inst Oceanog 4, Beihai, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Shandong, Peoples R China 6.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China
推荐引用方式 GB/T 7714	Xu, Shuai,Xu, Shaochun,Zhou, Yi,et al. Single beam sonar reveals the distribution of the eelgrass Zostera marina L. and threats from the green tide algae Chaetomorpha linum K. in Swan-Lake lagoon (China)[J]. MARINE POLLUTION BULLETIN,2019,145:611-623.
APA	Xu, Shuai.,Xu, Shaochun.,Zhou, Yi.,Zhao, Peng.,Yue, Shidong.,...&Zhang, Yu.(2019).Single beam sonar reveals the distribution of the eelgrass Zostera marina L. and threats from the green tide algae Chaetomorpha linum K. in Swan-Lake lagoon (China).MARINE POLLUTION BULLETIN,145,611-623.
MLA	Xu, Shuai,et al."Single beam sonar reveals the distribution of the eelgrass Zostera marina L. and threats from the green tide algae Chaetomorpha linum K. in Swan-Lake lagoon (China)".MARINE POLLUTION BULLETIN 145(2019):611-623.