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Impact of farming non-indigenous scallop Argopecten irradians on benthic ecosystem functioning:a case-study in Laizhou Bay, China
Huang, Qian1; Olenin, Sergej; Sun, Song2,3; De Troch, Marleen1
2018
Source PublicationAQUACULTURE ENVIRONMENT INTERACTIONS
ISSN1869-215X
Volume10Pages:227-241
SubtypeArticle
AbstractThe farming of the non-indigenous bay scallop Argopecten irradians in coastal waters generates large amounts of biodeposits that potentially change the trophic pathways and quality of the benthic food web at lower trophic levels such as meiobenthos. To understand the trophic link between faecal pellets of bay scallop and meiobenthos in the aquaculture area, we investigated the resource use of harpacticoid copepods and nematodes inside and outside of 3 bay scallop farms in Laizhou Bay (Bohai Sea, China) using natural abundance of stable carbon and nitrogen isotopes together with fatty acid profiling. Faeces were found to be enriched in delta N-15 compared to all other food sources, which made faecal matter traceable. The enriched delta N-15 in several meiobenthos at the farms, together with the mixing model results, indicated that faeces could be a new food source for most of harpacticoid copepods and some nematodes. The quantities and the pathways of assimilation differed between the copepod families, depending on their feeding behaviors and the receiving environment. Furthermore, due to the presence of higher levels of polyunsaturated fatty acids, in particular docosahexaenoic acid, the dominant copepod family Canuellidae that abundantly consumed scallop faeces showed enhanced nutritional quality compared with those in the control sites. Thus, aquaculture of non-indigenous bay scallops provided a food source that was directly and indirectly consumed by meiobenthos underneath the scallop farms and improved the quality of lower level consumers as a food item in the benthic food web.
KeywordMariculture Non-indigenous species Argopecten irradians Harpacticoid copepods Nematodes Food source Stable isotopes Fatty acids
Subject AreaFisheries ; Marine & Freshwater Biology
DOI10.3354/aei00264
Indexed BySCIE
Language英语
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS IDWOS:000434315500001
PublisherINTER-RESEARCH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157611
Collection海洋生态与环境科学重点实验室
Affiliation1.Klaipeda Univ, Marine Sci & Technol Ctr, H Manto 84, LT-92294 Klaipeda, Lithuania
2.Univ Ghent, Biol Dept, Marine Biol, Krijgslaan 281-S8, B-9000 Ghent, Belgium
3.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
4.Univ Chinese Acad Sci, Coll Marie Sci, Beijing 10004, Peoples R China
Recommended Citation
GB/T 7714
Huang, Qian,Olenin, Sergej,Sun, Song,等. Impact of farming non-indigenous scallop Argopecten irradians on benthic ecosystem functioning:a case-study in Laizhou Bay, China[J]. AQUACULTURE ENVIRONMENT INTERACTIONS,2018,10:227-241.
APA Huang, Qian,Olenin, Sergej,Sun, Song,&De Troch, Marleen.(2018).Impact of farming non-indigenous scallop Argopecten irradians on benthic ecosystem functioning:a case-study in Laizhou Bay, China.AQUACULTURE ENVIRONMENT INTERACTIONS,10,227-241.
MLA Huang, Qian,et al."Impact of farming non-indigenous scallop Argopecten irradians on benthic ecosystem functioning:a case-study in Laizhou Bay, China".AQUACULTURE ENVIRONMENT INTERACTIONS 10(2018):227-241.
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