Ecological effects of artificial reefs in Daya Bay of China observed from satellite and in situ measurements
Yu, Jing; Chen, Pimao; Tang, Danling; Qin, Chuanxin; yujing@scsfri.ac.cn; chenpm@scsfri.ac.cn
2015
发表期刊ADVANCES IN SPACE RESEARCH
卷号55期号:9页码:2315-2324
文章类型0273-1177
摘要Fishery resources along China's coasts have been declining. Could those decline be alleviated by deploying artificial reefs (ARs) in suitable areas? This study investigates effects of a big project conducted in December 2007 that deployed ARs in the southwestern part of Daya Bay. The ARs cover a total dimension of 966.10 x 2850.60 m(2) and surface area of 91,500 m2. This study analyzed the spatial and temporal variations of ecological factors, including Chlorophyll a concentrations (Chl-a), nutrients, attaching organisms and nekton resources, on and around the ARs using both satellite (Moderate Resolution Imaging Spectroradiometer, MODIS) and in situ data. Results showed that the potential affected area of ARs in Daya Bay reached a distance of 4.9 km in the water depth of 12.0-15.2 m. In the study area, Chl-a level reached 2.93 mg m(-2) during the post-AR period (2008-2012), that was higher than the pre-AR period (2002-2007) (2.37 mg m(-2)). Nekton biomass increased by 4.66-16.22 times compared with that in the pre-AR survey, and the species diversity increased by 15%-23%. This parallel trend suggested that ARs might have contribution to the increase in nekton biomass. Long-term observations shall be conducted to understand the response of phytoplankton to ARs. (C) 2015 COSPAR. Published by Elsevier Ltd. All rights reserved.
部门归属[Yu, Jing; Chen, Pimao; Qin, Chuanxin] Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Sci Observing & Expt Stn South China Sea Fishery, Key Lab Marine Ranching Technol, Guangzhou 510300, Guangdong, Peoples R China; [Yu, Jing; Chen, Pimao; Qin, Chuanxin] Minist Agr, Key Lab South China Sea Fishery Resources Utiliza, Beijing, Peoples R China; [Yu, Jing; Chen, Pimao; Qin, Chuanxin] Key Lab Fishery Ecol & Environm, Guangzhou, Guangdong, Peoples R China; [Tang, Danling] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Res Ctr Remote Sensing Marine Ecol & Environm RES, Guangzhou 510301, Guangdong, Peoples R China ; LTO
关键词Ecological Effects Artificial Reefs Remote Sensing Daya Bay China
学科领域Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15094
专题热带海洋环境国家重点实验室(LTO)
通讯作者yujing@scsfri.ac.cn; chenpm@scsfri.ac.cn
推荐引用方式
GB/T 7714
Yu, Jing,Chen, Pimao,Tang, Danling,et al. Ecological effects of artificial reefs in Daya Bay of China observed from satellite and in situ measurements[J]. ADVANCES IN SPACE RESEARCH,2015,55(9):2315-2324.
APA Yu, Jing,Chen, Pimao,Tang, Danling,Qin, Chuanxin,yujing@scsfri.ac.cn,&chenpm@scsfri.ac.cn.(2015).Ecological effects of artificial reefs in Daya Bay of China observed from satellite and in situ measurements.ADVANCES IN SPACE RESEARCH,55(9),2315-2324.
MLA Yu, Jing,et al."Ecological effects of artificial reefs in Daya Bay of China observed from satellite and in situ measurements".ADVANCES IN SPACE RESEARCH 55.9(2015):2315-2324.
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