Search Results - "Keeley, Nigel"

Development and preliminary validation of a multi-trophic metabarcoding biotic index for monitoring benthic organic enrichment by Keeley, Nigel, Wood, Susanna A., Pochon, Xavier

“…Sea-based fish farms are associated with strong, benthic enrichment gradients and routine monitoring is usually required by regulation. This has traditionally…”
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METASEED: a novel approach to full-length 16S rRNA gene reconstruction from short read data by Philip, Melcy, Rudi, Knut, Ormaasen, Ida, Angell, Inga Leena, Pettersen, Ragnhild, Keeley, Nigel B, Snipen, Lars-Gustav

“…With the emergence of Oxford Nanopore technology, now the on-site sequencing of 16S rRNA from environments is available. Due to the error level and structure,…”
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Assessing the effects of salmon farming seabed enrichment using bacterial community diversity and high-throughput sequencing by Dowle, Eddy, Pochon, Xavier, Keeley, Nigel, Wood, Susanna A.

“…Aquaculture is an extremely valuable and rapidly expanding sector of the seafood industry. The sediment below active aquaculture farms receives inputs of…”
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Attraction and avoidance of wild demersal fish and crustaceans to open-net aquaculture pens resolved by baited and towed underwater camera surveys by Dunlop, Katherine, Strammer, Ilona, Keeley, Nigel

“…Wild gadoids are known to have close associations with open-net fish farms, leading to concerns about changes in natural fish distribution and feeding…”
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Effects of fish farm activities on the sponge Weberella bursa, and its associated microbiota by Laroche, Olivier, Meier, Sonnich, Mjøs, Svein A., Keeley, Nigel

“…[Display omitted] •Fatty acid profile in W. bursa is significantly affected by fish farming;•W. bursa’s microbiome differs under impacted and non-impacted…”
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Global Trends of Benthic Bacterial Diversity and Community Composition Along Organic Enrichment Gradients of Salmon Farms by Frühe, Larissa, Dully, Verena, Forster, Dominik, Keeley, Nigel B, Laroche, Olivier, Pochon, Xavier, Robinson, Shawn, Wilding, Thomas A, Stoeck, Thorsten

“…The analysis of benthic bacterial community structure has emerged as a powerful alternative to traditional microscopy-based taxonomic approaches to monitor…”
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Comparing sediment DNA extraction methods for assessing organic enrichment associated with marine aquaculture by Pearman, John K, Keeley, Nigel B, Wood, Susanna A, Laroche, Olivier, Zaiko, Anastasija, Thomson-Laing, Georgia, Biessy, Laura, Atalah, Javier, Pochon, Xavier

“…Marine sediments contain a high diversity of micro- and macro-organisms which are important in the functioning of biogeochemical cycles. Traditionally,…”
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Translational Molecular Ecology in practice: Linking DNA-based methods to actionable marine environmental management by Aylagas, Eva, Borja, Angel, Pochon, Xavier, Zaiko, Anastasija, Keeley, Nigel, Bruce, Kat, Hong, Peiying, Ruiz, Gregory M., Stein, Eric D., Theroux, Susanna, Geraldi, Nathan, Ortega, Alejandra, Gajdzik, Laura, Coker, Darren J., Katan, Yasser, Hikmawan, Tyas, Saleem, Ammar, Alamer, Sultan, Jones, Burton H., Duarte, Carlos M., Pearman, John, Carvalho, Susana

“…Molecular-based approaches can provide timely biodiversity assessments, showing an immense potential to facilitate decision-making in marine environmental…”
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Spatial and temporal dynamics in macrobenthos during recovery from salmon farm induced organic enrichment: When is recovery complete? by Keeley, Nigel B., Macleod, Catriona K., Hopkins, Grant A., Forrest, Barrie M.

“…•Long-term spatially explicit study of recovery from extreme benthic enrichment.•Substantial recovery in first 2years, largely complete after…”
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A Substrate-Independent Benthic Sampler (SIBS) for Hard and Mixed-Bottom Marine Habitats: A Proof-of-Concept Study by Keeley, Nigel, Laroche, Olivier, Birch, Murray, Pochon, Xavier

“…Sea cage fish farms are increasingly situated over hard and mixed substrate habitats for production and waste-dispersion reasons; yet in many cases, these…”
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Epifaunal Habitat Associations on Mixed and Hard Bottom Substrates in Coastal Waters of Northern Norway by Dunlop, Katherine, Harendza, Astrid, Plassen, Liv, Keeley, Nigel

“…Hard and mixed seafloor substrates are an important benthic habitat in coastal northern Norway and they are known to be colonized by relatively diverse…”
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Benthic recovery and re-impact responses from salmon farm enrichment: Implications for farm management by Keeley, Nigel B., Forrest, Barrie M., Macleod, Catriona K.

“…This paper describes a two-year study of spatial and temporal patterns and processes in the benthos in response to the removal of salmon cages from a sheltered…”
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Bivalve aquaculture in estuaries: Review and synthesis of oyster cultivation effects by Forrest, Barrie M., Keeley, Nigel B., Hopkins, Grant A., Webb, Stephen C., Clement, Deanna M.

“…Oyster farming in estuaries is a globally important industry based primarily around the Pacific oyster Crassostrea gigas, for which a common technique is…”
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Exploiting salmon farm benthic enrichment gradients to evaluate the regional performance of biotic indices and environmental indicators by Keeley, Nigel B., Forrest, Barrie M., Crawford, Christine, Macleod, Catriona K.

“…This study evaluates five benthic indicators (total abundance, number of taxa, redox potential, total free sulfides, total organic matter) and ten biotic…”
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Novel observations of benthic enrichment in contrasting flow regimes with implications for marine farm monitoring and management by Keeley, Nigel B., Forrest, Barrie M., Macleod, Catriona K.

“…► Reveals a-typical environmental responses along spatial gradients, due to flow. ► Very high abundances and biomass were evident when organic accumulation was…”
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Comparative Study of Fatty Acid Composition of Muscles of Atlantic Cod (Gadus morhua Linnaeus, 1758) with Natural Diet and Feeding near Salmon Farms by Sanchez-Jerez, Pablo, Atalah, Javier, Sætra, Ingeborg Mathisen, Bøhn, Thomas, Saether, Bjorn-Steinar, Johansen, Torild, Keeley, Nigel, van der Meeren, Terje, Bjørn, Pål Arne

“…Coastal aquaculture and local fisheries interact in shared marine environments, influencing each other synergistically and/or antagonistically. Salmon farming,…”
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Suspension-Feeding Benthic Species’ Physiological and Microbiome Response to Salmon Farming and Associated Environmental Changes by Laroche, Olivier, Meier, Sonnich, Mjøs, Svein A., Keeley, Nigel

“…Caged salmon farming is increasingly undertaken in water bodies with strong hydrodynamics where hard and mixed substrate habitats are more prevalent. Yet,…”
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Ecological interactions between farmed Atlantic salmon and wild Atlantic cod populations in Norway: A review of risk sources and knowledge gaps by Bøhn, Thomas, Strøm, John F., Sanchez‐Jerez, Pablo, Keeley, Nigel B., Johansen, Torild, Gjelland, Karl Ø., Sandlund, Nina, Sæther, Bjørn‐S., Sætra, Ingeborg, Olsen, Esben M., Skjæraasen, Jon E., Meier, Sonnich, Meeren, Terje, Bjørn, Pål A.

“…Aquaculture provides an important and expanding source of protein rich and healthy food to the world. However, to minimize environmental harm from aquaculture,…”
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Combining best professional judgement and quantile regression splines to improve characterisation of macrofaunal responses to enrichment by Keeley, Nigel B., Macleod, Catriona K., Forrest, Barrie M.

“…Many benthic quality indices rely on categorising impacts by assigning species to ecological-groups (EGs) that reflect their tolerance to pollution. This is…”
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Tackling the elephant in the room – Large-scale salmon farming and the potential for far-field ecosystem effects by KEELEY, Nigel, SÆVIK, Pål, WOODCOCK, Skye, BANNISTER, Raymond

“…Significant expansion in salmon production globally has been partially enabled through the establishment of large-capacity sea-farms in high-energy…”
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