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Assimilation of fish farm wastes by the ecosystem engineering bivalve Atrina zelandica Aquac. Environ. Interact. (IF 2.2) Pub Date : 2024-03-14 D. M. Elvines, G. A. Hopkins, C. K. MacLeod, D. J. Ross, J. A. Ericson, N. L. C. Ragg, J. S. Copedo, C. A. White
ABSTRACT: As feed-additive aquaculture expands to open ocean areas, there is concern that ecologically important habitats may be adversely impacted by sedimentation of farm wastes. In this study, we investigated assimilation of salmon faecal wastes by an ecosystem engineering bivalve that occurs in open ocean environments (Atrina zelandica), as well as effects on physiology and fatty acid metabolism
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Consumption of periphyton and bioseston by Mozambique tilapia in aqua dams with three different substrates Aquac. Environ. Interact. (IF 2.2) Pub Date : 2024-02-29 Khathutshelo C. Hlongwane, Ngonidzashe A. G. Moyo, Mmaditshaba M. Rapatsa-Malatji
ABSTRACT: Periphyton-based aquaculture can reduce feed input costs. Here we characterised the periphyton and bioseston formation in aqua dams stocked with net, plastic, and stone substrates. The consumption of periphyton and bioseston from the net substrate by Mozambique tilapia Oreochromis mossambicus fingerlings was evaluated. Three experiments were conducted. In the first experiment, net, stone
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Monitoring regional benthic environment of Norwegian salmon cage farms Aquac. Environ. Interact. (IF 2.2) Pub Date : 2024-02-15 Chun-Deng Wang, Yngvar Olsen
ABSTRACT: The influence of cage aquaculture on the benthic environment is a crucial concern for sustainable development. The impacts are affected by multiple environmental factors and aquaculture operations. Our main objective was to comprehensively analyze the interaction between Norwegian salmon aquaculture and the benthic environment, involving prolonged temporal observations and wide-ranging spatial
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Geographic redistribution of farmed salmonids reduces salmon lice infestations and treatment frequency in a simulation study Aquac. Environ. Interact. (IF 2.2) Pub Date : 2024-02-15 Lars Qviller, Katharine Rose Dean, Mats Huserbråten, Ingrid Askeland Johnsen, Britt Bang Jensen
ABSTRACT: Host density is a key driver in parasite population dynamics, and often the number of parasites increases rapidly with host density. In the context of Norwegian salmonid farming, this mechanism has led to a disparity between the desire to increase cultured salmonid production, and to reduce the negative effects of parasite infestations. Salmon lice infestations are detrimental to animal welfare
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A gap analysis on modelling of sea lice infection pressure from salmonid farms. II. Identifying and ranking knowledge gaps: output of an international workshop Aquac. Environ. Interact. (IF 2.2) Pub Date : 2024-01-18 Joanne M. Murphy, Meadhbh Moriarty, Adam J. Brooker, William Waites, Crawford W. Revie, Thomas P. Adams, Matt Lewis, Helena C. Reinardy, John P. Phelan, Johnny P. Coyle, Berit Rabe, Stephen C. Ives, John D. Armstrong, Anne D. Sandvik, Lars Asplin, Ørjan Karlsen, Soizic Garnier, Gunnvør á Norði, Philip A. Gillibrand, Kim S. Last, Alexander G. Murray
ABSTRACT: Sea lice are a major health hazard for farmed Atlantic salmon in Europe, and their impact is felt globally. Given the breadth of ongoing research in sea lice dispersal and population modelling, and focus on research-led adaptive management, we brought experts together to discuss research knowledge gaps. Gaps for salmon lice infection pressure from fish farms were identified and scored by
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A gap analysis on modelling of sea lice infection pressure from salmonid farms. I. A structured knowledge review Aquac. Environ. Interact. (IF 2.2) Pub Date : 2024-01-18 Meadhbh Moriarty, Joanne M. Murphy, Adam J. Brooker, William Waites, Crawford W. Revie, Thomas P. Adams, Matt Lewis, Helena C. Reinardy, John P. Phelan, Johnny P. Coyle, Berit Rabe, Stephen C. Ives, John D. Armstrong, Anne D. Sandvik, Lars Asplin, Ørjan Karlsen, Soizic Garnier, Gunnvør á Norði, Philip A. Gillibrand, Kim S. Last, Alexander G. Murray
ABSTRACT: Sustainability of aquaculture, an important component of the blue economy, relies in part on ensuring assessment of environmental impact and interactions relating to sea lice dispersing from open pen salmon and trout farms. We review research underpinning the key stages in the sea lice infection process to support modelling of lice on wild salmon in relation to those on farms. The review
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Experimental comparison of changes in relative survival and fitness-related traits of wild, farm, and hybrid Atlantic salmon Salmo salar in nature Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-11-30 Itzia Coral San Román, Ian R. Bradbury, Samantha E. Crowley, Steven J. Duffy, Shahinur S. Islam, Ian A. Fleming
ABSTRACT: Farming of Atlantic salmon Salmo salar has resulted in highly domesticated individuals, with notable genetic and phenotypic differences from their wild counterparts. Understanding how interbreeding with aquaculture escapees affects wild, often at-risk populations is increasingly essential to conservation efforts. Here, we used an experimental release of wild, farm, and reciprocal F1 hybrid
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Nekton use of co-occurring aquaculture and seagrass structure on tidal flats Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-09-28 F. C. Boardman, E. R. Subbotin, J. L. Ruesink
ABSTRACT: On the extensive tidal flats of Willapa Bay (Pacific coast, USA), oyster culture, seagrass, and mudflats create a mosaic of intertidal habitats. Structured habitats are generally considered to increase abundance and diversity of associated species, but less attention has been paid to roles of different kinds of structure (seagrass meadows, reefs, farm infrastructure) or co-occurring structure
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Influence of seagrass on juvenile Pacific oyster growth in two US west coast estuaries with different environmental gradients Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-09-14 Brett Dumbauld, Brooke McIntyre
ABSTRACT: Ocean acidification threatens many marine organisms, including oysters. Seagrass habitat has been suggested as a potential refuge for oysters because it may ameliorate stressful carbonate chemistry and augment food availability. We conducted an in situ study to investigate whether eelgrass Zostera marina habitat affects the growth of juvenile Pacific oysters Crassostrea gigas and influences
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Caught in the trap: over half of the farmed Atlantic salmon removed from a wild spawning population in the period 2014-2018 were mature Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-08-31 Abdullah S. Madhun, Alison Harvey#, Øystein Skaala#, Vidar Wennevik, Sofie Knutar, Monica F. Solberg, María Quintela, Per T. Fjeldheim, Sonnich Meier, Kevin A. Glover
ABSTRACT: Whilst aquaculture continues its global expansion, containment of fish in sea cages remains a persistent environmental challenge. Within Atlantic salmon Salmo salar farming, widespread escapes over several decades have left a legacy of ecological and genetic impacts on wild populations. Quantifying the characteristics of escapees, and how they vary in time and space, is important to understand
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Measuring and modelling the dispersal of salmon farm organic waste over sandy sediments Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-08-17 Clive Fox, Chris Webb, Jon Grant, Stevie Brain, Stephen Fraser, Richard Abell, Natalie Hicks
ABSTRACT: Fish farm waste dispersal models are widely used but have only been directly validated to a limited extent. Two shallow (<20 m) Atlantic salmon farms (Bay of Meil and Quanterness) in Orkney, Scotland were studied. Bay of Meil has peak near-bed currents of 9.7 cm s-1 whereas Quanterness has flows up to 31.6 cm s-1. Sediment tray traps which allow resuspension to occur were deployed at each
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Quantifying regional feed utilization, production and nutrient waste emission of Norwegian salmon cage aquaculture Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-08-03 Chun-Deng Wang, Yngvar Olsen
ABSTRACT: We analyzed growth performance and waste emissions of cage aquaculture responding to biophysical conditions that vary along the coastline of Norway. The analysis is based on a published mass balance model predicting waste emissions and open quality-assured data from the Norwegian Directorate of Fisheries between 2016 and 2020. Results showed significant regional variation in feed conversion
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Low-impact rearing of a commercially valuable shellfish: sea-based container culture of European lobster Homarus gammarus in the United Kingdom Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-07-06 L. J. Clarke, R. A. Griffin, E. Domoney, H. C. M. Smith, L. J. Tilsley, C. Ellis, E. Theobald, M. Slater, J. Scolding, S. Cuthbertson, R. E. Jones, L. Johanning, C. L. Daniels
ABSTRACT: There is increasing interest in the aquaculture of high-value shellfish species such as European lobster Homarus gammarus. Recent years have seen the development of extractive rearing equipment requiring no additional feed input, including novel sea-based container culture (SBCC) systems designed specifically for lobster mariculture. Here, we report the results of a study which assessed the
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Adding fish waste to the diet of Iceland scallop Chlamys islandica: effects on feeding and reproductive ability Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-06-15 E. S. Grefsrud, D. C. Z. Arendse, S. Meier, S. A. Olsen, S. Andersen
ABSTRACT: Organic enrichment from fish farming may impact benthic species and habitats in adjacent areas. Norwegian salmon farming is continuously growing, but, due to area conflicts and severe sea-lice problems in the western areas, growth of the industry is focused in the northern areas. Knowledge is scarce on how an increase in fish farming will impact Arctic and subarctic species and habitats.
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Movement of American lobsters Homarus americanus and rock crabs Cancer irroratus around mussel farms in Malpeque Bay, Prince Edward Island, Canada Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-06-15 Kirsty J. Lees, Marie-France Lavoie, Kathleen A. Macgregor, Émilie Simard, Annick Drouin, Luc A. Comeau, Christopher W. McKindsey
ABSTRACT: A worldwide increase in aquaculture has focussed attention on the interactions between aquaculture activities and the surrounding habitats and ecosystems. In Atlantic Canada, mussel aquaculture occurs alongside static-gear fisheries for American lobster Homarus americanus and rock crab Cancer irroratus. Current knowledge gaps surround how lobsters and crabs utilise aquaculture sites and the
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Disentangling the key drivers of salmon louse Lepeophtheirus salmonis fecundity using multiyear field samples Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-06-01 Cameron Thompson, Samantha Bui, Sussie Dalvin, Rasmus Skern-Mauritzen
ABSTRACT: Planktonic salmon louse Lepeophtheirus salmonis salmonis larvae produced at salmon farms spread to and infect both wild and farmed salmonids. Understanding and forecasting the production and distribution of these larval stages from farms is critical to aquaculture management. However, model forecasts are based on available data and therefore include parameters with limited empirical support
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Spatio-temporal analysis of sediment plumes formed by mussel fisheries and aquaculture in the western Wadden Sea Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-06-01 H. M. Jansen, L. van den Bogaart, A. Hommersom, J. J. Capelle
ABSTRACT: The Wadden Sea is a highly dynamic tidal system and an important area for a variety of species, including wild and cultivated mussels. Increased suspended sediment concentrations may negatively affect ecosystem functioning across trophic levels; hence, insight into the effects of anthropogenic activities is of importance. The aim of this study was to investigate the scale of sediment resuspension
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Modeling of waste outputs in the aquatic environment from a commercial cage farm under neotropical climate conditions Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-05-25 Guilherme Wolff Bueno, Francisco E. M. Bernal, Rodrigo Roubach, James Owen Skipper-Horton, Fernanda Garcia Sampaio, Naor S. Fialho, Dominique P. Bureau
ABSTRACT: The present study used a bioenergetics modeling approach to estimate the solid and dissolved waste outputs of a Nile tilapia Oreochromis niloticus net-cage farm. Historical production data for 30 cages were obtained from a commercial farm in the Chavantes Reservoir, São Paulo State, Brazil. In addition, an experiment was carried out in 4 net-cages at the farm to validate this dataset and
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Simulating fish farm enrichment and fallowing impacts reveals unequal biogeochemical recovery of benthic variables Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-04-19 Rachel Hale, Craig Depree, Niall Broekhuizen
ABSTRACT: Finfish aquaculture is playing an increasing role in global food provision, with accompanying increases in benthic impacts under intensive pen production systems. Deposited faeces under and near fish pens affect the seafloor environment and biogeochemical functioning. To maintain healthy coastal environments, many fish farms operate by alternating input and fallowing periods to allow benthic
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Predicting eider predation potentials on mussels in Danish coastal areas—implications for mussel farming site-selection Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-03-30 Rune Skjold Tjørnløv, Andreas Michael Holbach, Karen Timmermann
ABSTRACT: Selecting optimal locations for mussel farming is vital for the optimization of production yield and for the minimization of environmental impact. Although predation by sea ducks may induce large stock losses and hence severe economic loss for mussel farmers, predation potential is rarely included in site-selection tools. In this paper we present a GIS-based spatial model predicting the potential
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Settlement and recruitment of fish in mussel farms Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-03-30 Lucy H. Underwood, Andrew G. Jeffs
ABSTRACT: Fish are thought to settle and recruit to shellfish and seaweed farms; however, there is little published evidence to support this assumption. Shellfish and seaweed farms increase structural complexity and epibiota productivity, which may attract settling fish larvae. In this study, fish settlement and recruitment patterns into 2 aquaculture habitats, mussel-kelp co-culture and mussel farm
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Salmon lice loads on Atlantic salmon smolts associated with reduced welfare and increased population mortalities Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-03-23 Stephen C. Ives, John D. Armstrong, Catherine Collins, Meadhbh Moriarty, Alexander G. Murray
ABSTRACT: Modelling potential impacts of salmon lice Lepeophtheirus salmonis on Atlantic salmon Salmo salar requires estimation of the levels that cause serious sub-lethal physiological impacts and direct mortality. Here we analysed results from existing laboratory experiments to identify 2 thresholds; the lower threshold (T1) estimates the level at which lice loads cause systemic sub-lethal effects
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Breaking bags and crunching clams: assessing whitespotted eagle ray interactions with hard clam aquaculture gear Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-03-02 Brianna V. Cahill, Kayla L. McCulloch, Breanna C. DeGroot, Kim Bassos-Hull, Matthew J. Ajemian
ABSTRACT: Shallow coastal waters are commonly used in shellfish aquaculture for ‘grow-out’ of bivalves like the hard clam Mercenaria mercenaria. These locations have substantially higher clam densities than the surrounding environment and attract molluscivores, requiring clammers to incorporate anti-predator materials into their grow-out gear to protect their product. However, the effectiveness of
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Feeding indicators and bioremediation ability of warty sea cucumber Neostichopus grammatus fed potential wastes from abalone Haliotis midae farming Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-02-16 Abigail John Onomu, Matthew James Slater, Niall Gordon Vine
ABSTRACT: The reuse of aquaculture waste to produce valuable sea cucumber biomass promises to reduce environmental impacts of aquaculture and increase incomes. This study aimed to assess the suitability of potential waste from abalone farming as feed for the warty sea cucumber Neostichopus grammatus and infer bioremediation effects from sea cucumber feeding. Four diets: abalone waste, fermented algae
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Research pre-empting parasite adaptation is key to sustainable disease management in aquaculture Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-02-16 Andrew Coates
ABSTRACT: As the aquaculture sector continues to expand, there is likely to be a growing need to combat infectious diseases. The desire for rapid and effective results means that any concerns about longer-term effects of disease controls are often sidelined. In particular, the well-documented capacity for parasites and pathogens to evolve treatment resistance must not be ignored in aquaculture. Outbreaks
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Increased growth metabolism promotes viral infection in a susceptible oyster population Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-02-02 Bruno Petton, Marianne Alunno-Bruscia, Guillaume Mitta, Fabrice Pernet
ABSTRACT: The magnitude of an epidemic depends on host susceptibility to the disease, a trait influenced by the genetic constitution of the host and its environment. While the genetic basis of disease susceptibility is often associated with immune capacities, environmental effects generally reflect complex physiological trade-offs. We suggest here that in the case of obligate pathogens whose proliferation
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Mussel farming production capacity and food web interactions in a mesotrophic environment Aquac. Environ. Interact. (IF 2.2) Pub Date : 2023-01-19 Paul Gatti, Antonio Agüera, Shuang Gao, Øivind Strand, Tore Strohmeier, Morten D. Skogen
ABSTRACT: Low trophic aquaculture (LTA), such as bivalve farming, offers promising avenues to supply sustainable seafood and aquafeed. While bivalve farming usually occurs in highly productive coastal areas which already support numerous human activities and suffer from environmental pressures, numerical tools offer a promising avenue to explore and assess biomass production potential and associated
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Aquaculture organic enrichment of marine sediments: assimilative capacity, geochemical indicators, variability, and impact classification Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-12-22 P. J. Cranford, L. Brager, B. A. Law
ABSTRACT: Benthic organic enrichment at 2 high-flow Atlantic salmon Salmo salar farms and at a low-flow mussel Mytilus edulis farm was studied to assess the capacity of local physical and biological processes to assimilate organic waste inputs. Geochemical metrics served as proxies for detecting potential biological effects. High-flow sites are generally predicted to assimilate organic enrichment by
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Genetic structure and origin of non-native, free-living Atlantic salmon Salmo salar along a latitudinal gradient in Chile, South America Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-12-15 Rodrigo Marín-Nahuelpi, José M. Yáñez, Selim S. Musleh, Diego Cañas-Rojas, Juan Carlos Quintanilla, Sergio Contreras-Lynch, Gonzalo Gajardo, Maritza Sepúlveda, Chris Harrod, Daniel Gomez-Uchida
ABSTRACT: Limited stocking efforts to introduce Atlantic salmon Salmo salar into Chilean rivers and streams were unsuccessful during the 20th century. Following the arrival of the aquaculture industry during the 1980s, escaped Atlantic salmon have presented an ecological risk to native taxa through predation, competition, and transmission of pathogens or parasites. However, whether commercial aquaculture
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Combined models of growth, waste production, dispersal and deposition from cage-cultured Atlantic salmon to predict benthic enrichment Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-12-15 B. T. Hargrave, R. Filgueira, J. Grant, B. A. Law
ABSTRACT: Models of particulate waste production and deposition can be used in performance-based management approaches as cost-effective tools to assess environmental effects of open-pen finfish aquaculture. XLDEPMOD is an MS Excel® spreadsheet-based depositional model for predicting particulate organic carbon (POC) waste production and sedimentation from net-pen cultured finfish. Calculations are
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Fish farm effluents cause metabolic depression, reducing energy stores and growth in the reef-forming coral Lophelia pertusa Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-12-01 Tina Kutti, Erwann Legrand, Vivian Husa, Siri Aaserud Olsen, Øystein Gjelsvik, Marcos Carvajalino-Fernandez, Ingrid Askeland Johnsen
ABSTRACT: Cold-water corals (CWCs) have come under increasing pressure from human activities over the last decades. Of particular concern in Norway is the potential impact of open net pen aquaculture on CWC reefs formed by Lophelia pertusa, a threatened and declining habitat. We conducted a 1 yr in situ transplantation experiment and corresponding field measurements of 2 reefs located close to fish
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Modelling salmon lice-induced mortality of wild salmon post-smolts is highly sensitive to calibration data Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-11-17 Leif Christian Stige, Kari O. Helgesen, Hildegunn Viljugrein, Lars Qviller
ABSTRACT: Salmon lice from fish farms in open net pens pose a threat to the survival of wild salmon post-smolts migrating through areas with high farm and lice densities. Reliable estimation of this mortality is fundamental for the sustainable management of aquaculture in such areas but is challenged by considerable uncertainty about several of the processes that link reported lice numbers in fish
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Fitness consequences of hybridization between wild Newfoundland and farmed European and North American Atlantic salmon Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-11-17 Shahinur S. Islam, Brendan F. Wringe, Corinne M. Conway, Ian R. Bradbury, Ian A. Fleming
ABSTRACT: Selection due to multi-generational domestication and genetically distinct origins raises concerns about potential fitness consequences of hybridization between farmed and wild Atlantic salmon. In Newfoundland (NF), Canada, the aquaculture industry uses the North American (NA) Saint John River strain, though site-specific permission has been granted to farm a European origin (EO) strain.
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Attraction of cod Gadus morhua from coastal spawning grounds to salmon farms Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-10-27 J. E. Skjæraasen, Ø. Karlsen, Ø. Langangen, S. Meier, K. M. Dunlop, T. van der Meeren, N. B. Keeley, M. S. Myksvoll, G. Dahle, E. Moland, R. Nilsen, K. M. Elvik Schrøder, R. J. Bannister, E. M. Olsen
ABSTRACT: Wild fish aggregate at aquaculture net-pens, but the underlying mechanisms are not fully understood. This study examined how salmon farms attract coastal Atlantic cod Gadus morhua from their inshore spawning grounds. Acoustic receivers were deployed at 5 known cod spawning grounds and 6 salmon Salmo salar farms located at varying distances from these grounds in a mid-Norway study site. Cod
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Recognising trade-offs between welfare and environmental outcomes in aquaculture will enable good decisions Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-09-15 Georgia Macaulay, Luke T. Barrett, Tim Dempster
ABSTRACT: As aquaculture expands, ensuring the sustainability of practices requires a focus on minimising environmental effects. At the same time, where fish are cultured, their welfare needs to be secured to ensure compliance with legislation and gain social acceptance of farming practices. However, clear conflicts exist between protecting the environment and protecting welfare where either environmental
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Precocial male maturation contributes to the introgression of farmed Atlantic salmon into wild populations Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-08-04 Melissa K. Holborn, Samantha E. Crowley, Steve J. Duffy, Amber M. Messmer, Tony Kess, J. Brian Dempson, Brendan F. Wringe, Ian A. Fleming, Paul Bentzen, Ian R. Bradbury
ABSTRACT: The escape of domesticated Atlantic salmon Salmo salar from aquaculture facilities represents a continued threat to the genetic and demographic stability of wild salmon stocks. Escaped farm-origin salmon have been shown to hybridize with wild conspecifics, yet the long-term genetic impacts are generally unknown. Theoretically, life history variation, specifically precocial maturation of male
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Movement of american lobster Homarus americanus associated with offshore mussel Mytilus edulis aquaculture Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-07-28 Marie-France Lavoie, Émilie Simard, Annick Drouin, Philippe Archambault, Luc A. Comeau, Christopher W. McKindsey
ABSTRACT: Bivalve aquaculture sites attract a variety of large benthic species. Previous studies have shown that American lobster Homarus americanus are more abundant in mussel Mytilus edulis farms than in areas outside of them, suggesting that farms provide lobsters with adequate food and shelter. This study used acoustic telemetry to evaluate the influence of longline mussel farms on lobster movement
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Considering elements of natural strategies to control salmon lice infestation in marine cage culture Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-07-14 Anne Stene, Christina Carrozzo Hellevik, Helene Børretzen Fjørtoft, Gaspard Philis
ABSTRACT: Salmon lice are a severe problem in salmonid aquaculture and also affect wild salmon smolts migrating through fjord systems in spring. To keep the lice burden within acceptable limits, frequent use of chemical delousing has resulted in the parasite becoming resistant to these treatments. Alternative thermal and mechanical delousing practices induce welfare problems and loss of farmed fish
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Modeling the effect of cage drag on particle residence time within fish farms in the Bay of Fundy Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-07-07 Yongsheng Wu, Brent Law, Fuhong Ding, Mitchell OFlaherty-Sproul
ABSTRACT: Aquaculture farm cages have the ability to interact with local circulation due to the drag caused by the cages. We examined how the drag influences the residence time of particles within fish farms in the southwest Isles region of New Brunswick, Canada, in the Bay of Fundy using a high-resolution hydrodynamic model. To accomplish this, we parameterized the cage drag in the model and modeled
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Analysing ecological carrying capacity of bivalve aquaculture within the Yellow River Estuary ecoregion through mass-balance modelling Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-06-23 Qianshuo Zhao, Huimin Huang, Yugui Zhu, Man Cao, Linlin Zhao, Xuguang Hong, Jiansong Chu
ABSTRACT: As the largest aquaculture producer in the world, China is facing the challenge of maintaining sustainability while continuing to develop the aquaculture industry to meet socio-economic needs. Models of trophic structure and energy flow can be used to analyse ecological carrying capacity in order to determine whether a large and rapidly increasing aquaculture industry potentially puts sustainable
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Expansion of shellfish aquaculture has no impact on settlement rates Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-06-23 Trevyn A. Toone, Emilee D. Benjamin, Sean Handley, Andrew Jeffs, Jenny R. Hillman
ABSTRACT: Wild shellfish reefs have been decimated in many parts of the world over the last century, diminishing their vital ecological roles as habitat generators and the ecosystem services they provide, such as water filtration. Over this same timescale, shellfish aquaculture has rapidly expanded to become an impressive global industry with an annual worldwide production worth US$35.4 billion in
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Culture, trade and establishment of Polypterus senegalus in Indonesia with first record of wild populations Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-06-23 Surya Gentha Akmal, Yonvitner, Rikho Jerikho, Fredinan Yulianda, Yusli Wardiatno, Jindřich Novák, Luká Kalous, Ondřej Slavík, Jiří Patoka
ABSTRACT: The African grey bichir Polypterus senegalus is a popular ornamental fish in Indonesia. Pet trade with this species is increasing, and aquaculture production is well established. Here we present a detailed market survey and volume of domestic trade, export and import between January 2018 and February 2021. Climate similarity between the native range of P. senegalus and Indonesia was analysed
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Aquaculture carrying capacity of Nile tilapia Oreochromis niloticus and Nile crocodile Crocodylus niloticus in Lake Kariba, Zambia and Zimbabwe Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-06-23 Kees te Velde, Edwin Peeters, Marc Verdegem, John Beijer
ABSTRACT: Increased aquaculture production can improve food and nutrition security and economic growth in developing countries, but comes with environmental risks. In recent years, aquaculture has increased tremendously in Lake Kariba, which is located on the border between Zambia and Zimbabwe. We calculated the carrying capacity of aquaculture production in Lake Kariba using the Beveridge P balance
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A novel approach for wild fish monitoring at aquaculture sites: wild fish presence analysis using computer vision Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-06-09 Kana Banno, Håvard Kaland, Alberto Maximiliano Crescitelli, Stig Atle Tuene, Grete Hansen Aas, Lars Christian Gansel
ABSTRACT: Aquaculture in open sea-cages attracts large numbers of wild fish. Such aggregations may have various impacts on farmed and wild fish, the environment, fish farming, and fisheries activities. Therefore, it is important to understand the patterns and amount of wild fish aggregations at aquaculture sites. In recent years, the use of artificial intelligence (AI) for automated detection of fish
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Morphological consequences of hybridization between farm and wild Atlantic salmon Salmo salar under both wild and experimental conditions Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-05-24 B. M. Perriman, P. Bentzen, B. F. Wringe, S. Duffy, S. S. Islam, I. A. Fleming, M. F. Solberg, I. R. Bradbury
ABSTRACT: The escape of Atlantic salmon Salmo salar from aquaculture has been identified as a significant threat to the persistence and stability of wild salmon populations. Yet the magnitude of phenotypic impacts due to hybridization remains largely unresolved. We evaluated the phenotypic consequences of hybridization using geometric morphometrics both under natural conditions in the wild and in the
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De novo reefs: Fish habitat provision by oyster aquaculture varies with farming method Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-05-05 Francisco Martínez-Baena, Brendan S. Lanham, Ian McLeod, Matthew D. Taylor, Stephen McOrrie, Melanie J. Bishop
ABSTRACT: Aquaculture industries have the capacity to produce positive ecosystem service benefits, such as the provision of habitat to wild animals. Oyster cultivation is the oldest and largest aquaculture industry in south-eastern Australia. Oyster spat are grown to marketable size in rack-and-rail (‘racks’) or longline-and-basket (‘baskets’) configurations, which add structure to estuarine waters
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Ecosystem modelling to assess the impact of rearing density, environment variability and mortality on oyster production Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-04-21 Philippe Cugier, Yoann Thomas, Cédric Bacher
ABSTRACT: The natural productivity of ecosystems, farming practices and mortality events drive the rearing density and growth of oysters in shellfish farming areas. The variability of these drivers, which can be of natural or anthropic origin, is therefore an important source of variation in the growth performance and production of shellfish. Knowledge of these variabilities and their relative importance
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Common-garden comparison of relative survival and fitness-related traits of wild, farm, and hybrid Atlantic salmon Salmo salar parr in nature Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-03-03 Samantha E. Crowley, Ian R. Bradbury, Amber M. Messmer, Steven J. Duffy, Shahinur S. Islam, Ian A. Fleming
ABSTRACT: When escapee farmed Atlantic salmon Salmo salar interbreed with wild fish, the introgression of maladaptive genes can lower wild population productivity and alter key life history traits. To date, only a few European studies have compared wild, farm, and hybrid salmon under common conditions in the wild, isolating the influence of genetics on survival and fitness-related traits. Here, we
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Aquaculture and eelgrass Zostera marina interactions in temperate ecosystems Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-02-24 L. M. Howarth, L. M. Lewis-McCrea, L. M. Kellogg, E. T. Apostolaki, G. K. Reid
ABSTRACT: This paper reviews the impacts of shellfish and finfish aquaculture on eelgrass Zostera marina, the most widely distributed seagrass species in the northern hemisphere. Shellfish aquaculture can have positive, neutral, and negative effects on eelgrass. Positive interactions can be generated by the filtering activity of cultured bivalves, which may improve water quality and reduce epiphyte
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Transformation of phosphorus in an experimental integrated multitrophic aquaculture system using the media filled beds method in plant cultivation Aquac. Environ. Interact. (IF 2.2) Pub Date : 2022-01-27 Agnieszka Tórz, Marlena Burda, Mirosław Półgęsek, Jacek Sadowski, Arkadiusz Nędzarek
ABSTRACT: The objective of this study was to trace the transformations of phosphorus in an integrated multitrophic aquaculture (IMTA) system and to determine whether the method of plant breeding influenced the dynamics of these changes. In the experiment, the media filled beds (MFB) method of plant cultivation was applied. Fish tanks were stocked with 200 common carp Cyprinus carpio, and hydroponic
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Offshore aquaculture as climate change adaptation in coastal areas: sea surface temperature trends in the Western Mediterranean Sea Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-12-16 I. López Mengual, P. Sanchez-Jerez, J. D. Ballester-Berman
ABSTRACT: The warming of the Mediterranean Sea surface is currently estimated to have been 0.4°C per decade for the period 1985-2006, and the increase in water temperature may have negatively affected marine aquaculture, e.g. by decreasing productivity. Development of aquaculture without adequate planning can lead to unsustainable economic feasibility due to future climate stressors. In this sense
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Genetic evidence of farmed straying and introgression in Swedish wild salmon populations Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-12-16 Stefan Palm, Sten Karlsson, Ola H. Diserud
ABSTRACT: Escaped farmed Atlantic salmon represent a well-documented and ongoing threat to wild conspecific populations. In Norway, the world-leading producer of farmed salmon, annual monitoring of straying and genetic introgression by farmed escapees in wild salmon rivers has been carried out since the late 1980s. In this study, we applied molecular and statistical methods routinely used in the Norwegian
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Impact of oyster culture on coral reef bacterioplankton community composition and function in Daya Bay, China Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-12-16 Fei Tong, Peidong Zhang, Xiumei Zhang, Pimao Chen
ABSTRACT: Subtropical coral reefs along the coast are facing multiple pressures. Mariculture is one of the main sources of such pressure. Oyster culture has become a worldwide phenomenon in coastal ecosystems. Due to the high filtration efficiency of oysters, their culture has helped to purify some coastal waters. However, high-density oyster culture has also had negative effects on coastal ecosystems
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Developing payment for ecosystem service schemes for coastal aquaculture in southwestern Taiwan Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-12-02 Jyun-Long Chen, Yao-Jen Hsiao, Ching-Ta Chuang
ABSTRACT: Taiwan’s aquaculture farms are mostly established along intertidal zones and coastal land areas, and their presence may affect coastal ecosystems and their ecosystem services (ESs). Payments for ecosystem services (PES) represent a potential method of enhancing the provision of ESs for coastal aquaculture; thus, their feasibility should be discussed. In this study, we conducted focus group
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Spatial response of hard- and mixed-bottom benthic epifauna to organic enrichment from salmon aquaculture in northern Norway Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-12-02 Kathy Dunlop, Astrid Harendza, Raymond Bannister, Nigel Keeley
ABSTRACT: Norwegian Atlantic salmon aquaculture is continuing to expand in northern regions dominated by hard- and mixed-bottom substrates. Such habitats contain rich benthic epifaunal communities, including sponges and other sessile invertebrates susceptible to the impacts of particulate material released from finfish farms. Here, conventional soft-sediment sampling techniques are unable to discern
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Characterizing the habitat function of bivalve aquaculture using underwater video Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-11-18 Bridget Ferriss, Karl Veggerby, Molly Bogeberg, Letitia Conway-Cranos, Laura Hoberecht, Peter Kiffney, Kate Litle, Jodie Toft, Beth Sanderson
ABSTRACT: Bivalve aquaculture is an expanding coastal industry with the potential to modify the habitat of fish and crab species, affecting their refuge, movement, and feeding. The habitat function of shellfish aquaculture is not yet well understood, in part due to difficulties in data collection using traditional methods. Underwater video was used to observe fish and crab species’ affiliations with
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Validating a biophysical parasite model with fish farm pen and plankton trawl data Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-10-21 Thomas P. Adams, Shona Marshall, Sonja Brown, Kenny Black
ABSTRACT: Biophysical models of parasite dispersal are being increasingly used as a method for screening marine aquaculture developments, whether in establishment of new sites or expansion of existing sites, or planning of farmed fish health management strategies on local or regional spatial scales. How well these models reflect reality, however, is often brought into question, due to the difficulties
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Comparative growth, feeding and reproduction of hatchery-reared and wild mandarin fish Siniperca chuatsi in a shallow Yangtze lake, China Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-10-21 Wei Li, Mingli Lin, Shaowen Ye, Jiashou Liu, Rodolphe E. Gozlan, Zhongjie Li, Tanglin Zhang
ABSTRACT: Stocking hatchery-reared fish in natural shallow lakes is a common practice in Chinese fisheries. The success of these fisheries depends on the balance between the commercial value of the stock and the growth performance of stocked fish to rapidly reach commercial size. The mandarin fish Siniperca chuatsi has become a commercially important fishery in China. However, the performance of hatchery-reared
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Impact of salmon farming on Atlantic cod spatio-temporal reproductive dynamics Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-10-07 J. E. Skjæraasen, Ø. Karlsen, Ø. Langangen, T. van der Meeren, N. B. Keeley, M. S. Myksvoll, G. Dahle, E. Moland, R. Nilsen, K. M. Elvik Schrøder, R. J. Bannister, E. M. Olsen
ABSTRACT: Salmon farming in marine net pens is a major activity in many temperate regions. This industry may affect coastal ecosystems in several ways, such as with waste pollution and parasite spillover. Less is known about the extent to which salmon farming disrupts the use of inshore spawning grounds by wild fish, such as the Atlantic cod Gadus morhua. Acoustic telemetry was therefore used to explore
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In silico evaluation of interactions between antibiotics in aquaculture and nuclear hormone receptors Aquac. Environ. Interact. (IF 2.2) Pub Date : 2021-09-23 Chao Song, Qiuxuan Wu, Jie Sun, Rui Zhang, Jiazhang Chen, Xiaoxiang Wang, Longxiang Fang, Zhu Liu, Xiangbao Shan, Yuting Yin
ABSTRACT: Antibiotics have been commonly used as antimicrobial agents in the process of aquaculture worldwide. However, very few studies are available on the endocrine disruption-related health risks brought about by antibiotic residues from human consumption of aquatic products. Nuclear hormone receptors (NHRs) could mediate many endocrine-disrupting activities. Therefore, in the present study, a