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Catch organism assemblages along artificial reefs area and adjacent waters in Haizhou Bay

Acta Oceanologica Sinica 2024年第2期43卷 34-42页

作者： Shike Gao Bin Xie Chengyu Huang Xiao Zhang Shuo Zhang Wenwen Yu College of Marine Living Resource Sciences and Management Shanghai Ocean UniversityShanghai 201306China Jiangsu Research Institute of Marine Fisheries Nantong 226007China Third Institute of Oceanography Ministry of Natural ResourcesXiamen361005China Joint Laboratory for Monitoring and Conservation of Aquatic Living Resources In the Yangtze Estuary Shanghai 200000China

To better understand the community patterns mediated by connectivity in artificial reefs of coastal areas, it is necessary to understand the distribution and coexistence of organisms with artificial reefs area and adjacent waters. This study was conducted to examine main catches assemblages collected by trawls in Haizhou Bay,which included five habitats: the artificial reef area(AR), aquaculture area(AA), natural area(NA), estuary area(EA) and comprehensive effect area(CEA). The result shows that the total abundances of species in the five habitats were highly different(univariate PERMANOVA: P = 0.001, n = 24), but some species were also unique in their habitat(e.g. Scapharca subcrenata and Glossaulax didyma in AA). The body size distribution of specific species between habitats are different. For Collichthys lucidus, their body size in AR(14.63 cm ± 1.64 cm) and EA(14.3 cm ± 0.85 cm) is higher than that in NA(10.65 cm ± 1.64 cm), CEA(11.28 cm ± 1.85 cm) and AA(12.1 cm ±0.43 cm), which indicates the potential connection from AR to EA mediated by their adult population. We concluded that artificial reefs in AR can be considered key components that have the ability to support species assemblages in adjacent habitats. This study has implications for the conservation and monitoring of species assemblages in coastal areas in terms of that artificial reefs can be applied in different stages of habitat protection implementation and in different combinations of scenarios.

关键词： assemblage artificial reefs adjacent water Haizhou Bay

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Experimental Investigation of Local Scour Around artificial reefs in Steady Currents

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Journal of Ocean University of China 2022年第2期21卷 445-456页

作者： TANG Yanli WEI Shuangwu YANG Mingda WANG Xinxin ZHAO Fenfang Fisheries College Ocean University of ChinaQingdao 266003China

artificial reef is a man-made object that is deployed purposefully on the seafloor to restore the offshore fishery resources and the ecological *** secure its ecological effects,it is important to study the possible instability of artificial reefs,like drifting and reversing caused by burial and scour in different seafloor *** the present study,experiments of local scour around an artificial reef are carried out in steady *** effect of the open-area ratios and the open-hole heights of the cubic reefs,and the bottom angles of the triangular reefs on the time-scale of the scour process and the equilibrium scour depth are *** results indicate that for the cubic artificial reef,the scour depth decreases with the increasing open-area ratios,and increases with the increasing open-hole *** the present study,the optimal prototype of the cubic reef with an open-area ratio of 0.49 and open-height of 0.7 m produces the minimum scour *** the triangular reef,the scour depth increases when the bottom angle ***,based on the experimental results,empirical equations of the effects of the cut-opening and the bottom angle on the maximum equilibrium scour depth are *** formulas will provide theoretical support and practical guidance for the optimized design and construction of artificial reefs.

关键词： local scour artificial reefs open-area ratios open-hole heights bottom angles

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Ecological succession of benthic organisms on niche-type artificial reefs

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Ecological Processes 2020年第1期9卷 433-442页

作者： María-Isabel Toledo Pamela Torres Cristina Díaz Victor Zamora Jesús López Germán Olivares Escuela de Ciencias del Mar Facultad de Ciencias del Mar y GeografíaPontificia Universidad Católica de ValparaísoValparaísoChile

As part of efforts to restore fishery resources and recover damaged coastal ecosystems,artificial reefs are often anchored on the seafloor in coastal zones,to provide new habitats for marine *** aim of the study was to describe the structure of a community of benthic invertebrates colonising a niche-type artificial reef(AATN in Spanish).Nine structures were anchored at depths of 16±1.5 m for 99 weeks(22 months)in the Area of Benthic Resource Management and Exploitation(AMERB)in coastal waters of the Region of Bio Bio,*** results showed that,at 3 months from submersion of the NTAR,much of the artificial substrate remained bare and there were only low levels of specimens of Balanus ***,showing mean coverage of 11.26%,and even lower proportions of Rhodophyta,with mean coverage of 0.34%.At 6 months,the presence of hydrozoans was seen,decreasing the coverage of the barnacles,which was aided further at 8 months with the arrival of barnacle predatory *** 8 months,new benthic invertebrates appeared and competed for the *** included sponges and *** 99 weeks,the hydrozoans dominated the substrate,followed by barnacles and Rhodophyta,the first colonising organisms,leading to colonisation by motile macro-invertebrates,mainly consisting of crustaceans,echinoderms and *** AATN artificial system provides an ideal substrate for the development of early ecological succession and the use of this technology should be feasible in the recovery process of habitat damaged by anthropogenic actions and climate change.

关键词： artificial reefs Ecological succession Colonisation Benthic organisms Balanus sp. Rhodophyta Hydrozoans

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Community structure of planktonic copepods in artificial reefs of Wenchang,Hainan

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Marine Science Bulletin 2020年第2期22卷 61-77页

作者： XIE Fuwu PANG Qiaozhu Hainan Academy of Ocean and Fisheries Sciences Haikou 571126Hainan ProvinceChina

To understand the characteristics of population structure of planktonic copepods and their response mechanisms to marine environmental factors in different seasons,the community structure of planktonic copepods in samples obtained from 7 stations in artificial reefs of Wenchang,Hainan Province in March and September 2019 were investigated.A total of 33 species of planktonic copepods belonging to 23 genera within 17 families were identified in artificial reefs,with 27 species and 21 genera in spring,and 23 species and 19 genera in fall,*** identified planktonic copepods were further categorized into estuarine groups,warm temperate groups,warm water coastal groups,and warm water widespread *** predominant species in spring were mainly composed of Temora turbinata and Canthocalanus pauper,whereas Tortanus gracilis and Subeucalanus subcrassus were dominant species in *** species and abundance of planktonic copepods in spring were higher than that in fall,while the diversity index and evenness were vice versa,with obvious seasonal *** addition,there was a correlation between the population of copepods and physicochemical environmental *** major warm water group of copepods in spring showed different degree of correlation with environmental factors,such as NO2-N,NH3-N,pH,water depth,temperature etc.,while the population of copepods in fall was affected by limiting factors such as dissolved oxygen,pH,and *** conclusion,copepods species inartificial reefs were rich and diverse,and their community structure tended to be *** addition,the surrounding water quality was generally good,and the whole marine ecosystem and ecological environment were in good condition.

关键词： Planktonic copepods community structure artificial reefs Hainan Wenchang

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Ecological effects assessment on artificial reefs in the Guangdong coastal waters

Ecological effects assessment on artificial reefs in the Gua...

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2014年中国水产学会学术年会

作者： Jing Yu Pimao Chen Scientific Observing and Experimental Station of South China Sea Fishery Resources and Environments Key Laboratory of South China Sea Fishery Resources Utilization Ministry of Agriculture South China Sea Fisheries Research InstituteChinese Academy of Fishery Sciences

Fishery resources along China’s coasts are declining. Such decline can be alleviated by deploying artificial reefs（ARs） in suitable areas. ARs with a total dimension of 966.10 × 2850.60 m2 and total surface area of 91,500 m2 were deployed in the southwestern part of Daya Bay in December 2007. This study investigates spatial and temporal variations in Chlorophyll a concentrations（Chl a）, nutrients, attaching organisms and fishery resources in the AR area through satellite（Moderate Resolution Imaging Spectroradiometer, MODIS） and in situ observations. The ecological effects of the ARs in Daya Bay reached a distance of at least 4.9 km and a water depth of 12.0 m. In the AR area, Chl a increased and reached a higher level during the post-AR period（2008-2012） than during the pre-AR period（2002-2007）. Stock density increased by 4.66-16.22 times compared with the background survey, and the total species of fish catch increased by 15%-23%. This fish enhancement can be attributed to the increase in local primary production produced by ARs.

关键词： Ecological effects artificial reefs Remote sensing Guangdong coastal waters

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深海环境海洋生态系统监测与修复新技术

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Engineering 2024年第3期34卷 195-211页

作者： Jacopo Aguzzi Laurenz Thomsen Sascha Flögel Nathan J.Robinson Giacomo Picardi Damianos Chatzievangelou Nixon Bahamon Sergio Stefanni Jordi Grinyó Emanuela Fanelli Cinzia Corinaldesi Joaquin Del Rio Fernandez Marcello Calisti Furu Mienis Elias Chatzidouros Corrado Costa Simona Violino Michael Tangherlini Roberto Danovaro Instituto de Ciencias del Mar(ICM-CSIC) Barcelona 08003Spain Stazione Zoologica Anton Dohrn Naples 80121Italy University of Gothenburg Göteborg 40530Sweden GEOMAR Helmholtz Centre for Ocean Research Kiel 24148Germany Fundación Oceanogràfic de la Comunitat Valenciana Valencia 46013Spain Royal Netherlands Institute for Sea Research(NIOZ) Den Burg Texel 1790 ABNetherlands Polytechnic University of Marche(UNIVPM) Ancona 60131Italy SARTI-MAR of the Universitat Politecnica de Catalunya(UPC) Vilanova i la Geltrú08800Spain Lincoln Institute for Agri-food Technology University of LincolnLincoln LN22LGUK Engitec Systems International Limited Limassol 3083Cyprus Consiglio per la Ricerca in Agricoltura e L’analisi Dell’economia Agraria(CREA) Centro di Ricerca Ingegneria e Trasformazioni AgroalimentariMonterotondo 00015Italy

The United Nations(UN)’s call for a decade of“ecosystem restoration”was prompted by the need to address the extensive impact of anthropogenic activities on natural *** ecosystem restoration is increasingly necessary due to increasing habitat degredation in deep waters(>200 m depth).At these depths,which are far beyond those accessible by divers,only established and emerging robotic platforms such as remotely operated vehicles(ROVs),autonomous underwater vehicles(AUVs),landers,and crawlers can operate through manipulators and multiparametric sensor arrays(e.g.,optoacoustic imaging,omics,and environmental probes).The use of advanced technologies for deep-sea ecosystem restoration can provide:①high-resolution three-dimensional(3D)imaging and acoustic mapping of substrates and key taxa,②physical manipulation of substrates and key taxa,③real-time supervision of remote operations and long-term ecological monitoring,and④the potential to work ***,we describe how robotic platforms with in situ manipulation capabilities and payloads of innovative sensors could autonomously conduct active restoration and monitoring across large spatial *** expect that these devices will be particularly useful in deep-sea habitats,such as①reef-building cold-water corals,②soft-bottom bamboo corals,and③soft-bottom fishery resources that have already been damaged by offshore industries(i.e.,fishing and oil/gas).

关键词： Ecosystem restoration Robotic manipulation Acoustic tracking Fishery resources artificial reefs

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Effects of an artificial reef system on demersal nekton assemblages in Xiangshan Bay, China

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Chinese Journal of Oceanology and Limnology 2016年第1期34卷 59-68页

作者：姜亚洲林楠袁兴伟焦海峰申屠基康李圣法 East China Sea Fisheries Research Institute Chinese Academy of Fishery Sciences Shanghai 200090 China Ningbo Academy of Oceanology and Fisheries Ningbo 315012 China

In 2012,an artificial reef system was deployed in Xiangshan Bay,China,to enhance its fishery resources. To determine the effect of the artificial reef system on the demersal nekton assemblages,a beforeafter-control-impact study design was applied. Comparisons of assemblages from impact and control habitats revealed that the assemblage in the impact area had a gradual response to reef deployment. The assemblages in the impact and control areas changed in different ways after reef deployment. During the study period,total biomass,species richness and average body weight in the control area remained relatively stable,whereas there were significant increases in these indicators in the impact area. Responses to the reefs differed among nekton species,inducing assemblage succession in the reefs post-deployment. Sparus macrocephalus and Cynoglossus abbreviat us benefited most from reef deployment. Conversely,smallsized shrimp Palaemon gravieri showed a progressive decrease in biomass following reef deployment. Overall,the artificial reef system diversified the demersal nekton assemblage,enhanced the total biomass,and increased the proportion of large-sized species.

关键词： artificial reefs nekton assemblage before-after-control-impact Xiangshan Bay

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Effects of an artificial oyster shell reef on macrobenthic communities in Rongcheng Bay, East China

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Chinese Journal of Oceanology and Limnology 2014年第1期32卷 99-110页

作者：徐勤增张立斌张涛周毅夏苏东刘辉杨红生 Institute of Oceanology Chinese Academy of Sciences University of Chinese Academy of Sciences

An artifi cial oyster shell reef was deployed in Rongcheng Bay, East China. However, the effects of this reef on the surrounding macrobenthic communities were unknown. We compared sedimentary factors, macrobenthic biomass, abundance, and community composition and ecological indicators between the reef and non-reef areas over a one year period. The mean values for chlorophyll a(Chl a), total organic matter(TOM), total organic carbon(TOC), and total nitrogen(TN) content in surface sediments in the reef area were slightly higher than those in the non-reef area. The Chl a levels differed signifi cantly between the two areas, but the TOM, TOC, and TN were not signifi cantly different. The abundance of crustaceans was signifi cantly different between the two areas, but the abundance and biomass of polychaetes, echinoderms, mollusk did not differ signifi cantly. The permutational multivariate analysis of variance(PERMANOVA) revealed that the macrobenthic community differed signifi cantly through time and analysis of similarity multivariate analyses(ANOSIM) revealed that the macrobenthic community differed signifi cantly in some months. The ecological indicators revealed that the environmental quality of the reef area was slightly better than that of the non-reef area. Overall, our results suggest that the artifi cial oyster shell reef may change the macrobenthic community and the quality of the environment. Despite the lack of an effect in the short term, long-term monitoring is still needed to evaluate the effects of artifi cial oyster shell reefs on macrobenthic communities.

关键词： artificial reefs macrobenthos community composition environmental quality Rongcheng Bay East China

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Community structure of zooplankton in reef area and its relationship with environmental factors

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Marine Science Bulletin 2019年第1期21卷 27-39页

作者： WANG Yu YU Ying YANG Wen-ying ZHANG Jing-wei Tianjin Bohai Sea Fisheries Research Institute Tianjin Marine Ranching Technical Engineering CenterTianjin 300457China

To better understand the community structure characteristics of zooplankton in the artificial reef area of Tianjin in the Bohai Bay and its relationship with major environmental factors,the project conducted three cruise surveys in the spring(May),summer(July)and autumn(October)of 2016 and monitored conventional environmental *** results showed that there were 36 species of zooplankton,including 14 species of copepods,phytoplankton larvae 12 species;6 kinds of coelenterates;3 species of shrimp and 1 species of hairy shrimp in the artificial reef area of Tianjin in the three cruise *** dominant species in spring,summer,and autumn have obvious changes,among which the dominant species in spring are Eurytemora pacifica,Clytia hemisphoerica,Clalnus sinicus,and Macruran larva;in summer are Oithona similis and Brachyura zoea larva;and autumn only the Clalnus *** analysis shows that the diversity and uniformity of zooplankton in the artificial reef area have increased to varying degrees,indicating that the overall construction of artificial reefs in the Tianjin sea area has improved the marine ecological protection to some *** results of CCA showed that salinity and water temperature were the main environmental factors affecting the distribution of zooplankton communities in artificial reefs in Tianjin.

关键词： zooplankton environmental factors artificial reefs typical correlation analysis

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Research on the rationality of artificial reef layout of Dashentang

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Marine Science Bulletin 2014年第1期16卷 89-96页

作者：王宏郭彪高燕戴媛媛马超天津渤海水产研究所中国水产科学院渤海水产研究中心天津300457

By the means of technology of CFD （Computational Fluid Dynamics）, this research has studied the surrounding flow field effect of different combination of artificial reefs. In the study, four kinds of configurations are used to simulate numerically and these are ＂444＂ three columns, ＂464＂ three columns, ＂12345＂ five triangles and the ＂34543＂ five column regular hexagon .The result shows that the combination of artificial reefs of Dashentang can play a good role in regulating the reefs.

关键词： CFD artificial reefs layout

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