Search Results - "Dempster, Tim"

The impact and control of biofouling in marine aquaculture: a review by Fitridge, Isla, Dempster, Tim, Guenther, Jana, de Nys, Rocky

“…Biofouling in marine aquaculture is a specific problem where both the target culture species and/or infrastructure are exposed to a diverse array of fouling…”
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Salmon lice treatments and salmon mortality in Norwegian aquaculture: a review by Overton, Kathy, Dempster, Tim, Oppedal, Frode, Kristiansen, Tore S., Gismervik, Kristine, Stien, Lars H.

“…With the expansion of Atlantic salmon aquaculture, the economic and ecological impacts of salmon lice (Lepeophtheirus salmonis) has increased. Norway battles…”
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Precision fish farming: A new framework to improve production in aquaculture by Føre, Martin, Frank, Kevin, Norton, Tomas, Svendsen, Eirik, Alfredsen, Jo Arve, Dempster, Tim, Eguiraun, Harkaitz, Watson, Win, Stahl, Annette, Sunde, Leif Magne, Schellewald, Christian, Skøien, Kristoffer R., Alver, Morten O., Berckmans, Daniel

“…Aquaculture production of finfish has seen rapid growth in production volume and economic yield over the last decades, and is today a key provider of seafood…”
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Impacts of marine and freshwater aquaculture on wildlife: a global meta‐analysis by Barrett, Luke T., Swearer, Stephen E., Dempster, Tim

“…The global expansion of aquaculture has raised concerns about its environmental impacts, including effects on wildlife. Aquaculture farms are thought to repel…”
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Methods to prevent and treat biofouling in shellfish aquaculture by Sievers, Michael, Dempster, Tim, Keough, Michael J., Fitridge, Isla

“…Fouling organisms in bivalve aquaculture cause significant economic losses for the industry. Husbandry strategies to reduce biofouling can involve avoidance,…”
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Intergranular diffusion rates from the analysis of garnet surfaces: Implications for metamorphic equilibration by Dempster, Tim J., Symon, Shona, Chung, Peter

“…ABSTRACT Novel approaches to garnet analysis have been used to assess rates of intergranular diffusion between different matrix phases and garnet…”
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The partial equilibration of garnet porphyroblasts in pelitic schists and its control on prograde metamorphism, Glen Roy, Scotland by Dempster, Tim J., Gilmour, Mairi I., Chung, Peter

“…Garnet porphyroblasts in sillimanite‐bearing pelitic schists contain complex textural and compositional zoning, with considerable variation both within and…”
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Growth zoning of garnet porphyroblasts: Grain boundary and microtopographic controls by Dempster, Tim J., Coleman, Sarah, Kennedy, Ross, Chung, Peter, Brown, Roderick W.

“…Chemical zoning in the outer few 10s of microns of garnet porphyroblasts has been investigated to assess the scale of chemical equilibrium with matrix minerals…”
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Sentinels in Salmon Aquaculture: Heart Rates Across Seasons and During Crowding Events by Warren-Myers, Fletcher, Hvas, Malthe, Vågseth, Tone, Dempster, Tim, Oppedal, Frode

“…Advances in tag technology now make it possible to monitor the behavior of small groups of individual fish as bioindicators of population wellbeing in…”
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Metasomatism and the crystallization of zircon megacrysts in Archaean peridotites from the Lewisian complex, NW Scotland by Faithfull, John W., Dempster, Tim J., MacDonald, John M., Reilly, Monica

“…Zircon megacrysts are locally abundant in 1–40 cm-thick orthopyroxenite veins within peridotite host rocks in the Archaean Lewisian gneiss complex from NW…”
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Domesticating the wild through escapees of two iconic mediterranean farmed fish species by Toledo-Guedes, Kilian, Atalah, Javier, Izquierdo-Gomez, David, Fernandez-Jover, Damián, Uglem, Ingebrigt, Sanchez-Jerez, Pablo, Arechavala-Lopez, Pablo, Dempster, Tim

“…Extractive fisheries and marine aquaculture share space and target species. Several regional-scale examples exist of escapees entering wild fisheries landings,…”
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Can physiological engineering/programming increase multi-generational thermal tolerance to extreme temperature events? by Sorby, Kris L, Green, Mark P, Dempster, Tim D, Jessop, Tim S

“…Organisms increasingly encounter higher frequencies of extreme weather events as a consequence of global climate change. Currently, few strategies are…”
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Parasite management in aquaculture exerts selection on salmon louse behaviour by Coates, Andrew, Johnsen, Ingrid A., Dempster, Tim, Phillips, Ben L.

“…The evolution of pest resistance to management strategies is a major challenge for farmed systems. Mitigating the effects of pest adaptation requires…”
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Evolutionary predictions for a parasite metapopulation: Modelling salmon louse resistance to pest controls in aquaculture by Coates, Andrew, Robinson, Nicholas A., Dempster, Tim, Johnsen, Ingrid, Phillips, Ben L.

“…Pests often evolve resistance to pest controls used in agriculture and aquaculture. The rate of pest adaptation is influenced by the type of control, the…”
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Chemical and textural equilibration of garnet during amphibolite facies metamorphism: The influence of coupled dissolution–reprecipitation by Dempster, Tim J, La Piazza, Julie, Taylor, Andrew G, Beaudoin, Nicolas, Chung, Peter

“…Metamorphic equilibration requires chemical communication between minerals and may be inhibited through sluggish volume diffusion and or slow rates of…”
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Ikaite pseudomorphs in Neoproterozoic Dalradian slates record Earth's coldest metamorphism by Dempster, Tim, Jess, Scott A

“…Calcite pseudomorphs have replaced euhedral ikaite (CaCO3.6H2O) porphyroblasts in Dalradian calcareous slates and metadolostones of western Scotland, with a…”
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Consumption of aquaculture waste affects the fatty acid metabolism of a benthic invertebrate by White, Camille A., Bannister, Raymond J., Dworjanyn, Symon A., Husa, Vivian, Nichols, Peter D., Kutti, Tina, Dempster, Tim

“…Trophic subsidies can drive widespread ecological change, thus knowledge of how keystone species respond to subsidies is important. Aquaculture of large…”
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Deformation-Induced and Reaction-Enhanced Permeability in Metabasic Gneisses, Iona, Scotland: Controls and Scales of Retrograde Fluid Movement by Dempster, Tim J., Hollinsworth, Allan D., McIntosh, Euan, Edgar, Shannon, Faithfull, John W., Koehn, Daniel

“…The spatial distribution of greenschist-facies retrograde reaction products in metabasic gneisses from Iona, western Scotland, has been investigated. The…”
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Demographic and phenotypic effects of human mediated trophic subsidy on a large Australian lizard (Varanus varius): meal ticket or last supper? by Jessop, Tim S, Smissen, Peter, Scheelings, Franciscus, Dempster, Tim

“…Humans are increasingly subsidizing and altering natural food webs via changes to nutrient cycling and productivity. Where human trophic subsidies are…”
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Cyclic Hypoxia Exposure Accelerates the Progression of Amoebic Gill Disease by Oldham, Tina, Dempster, Tim, Crosbie, Philip, Adams, Mark, Nowak, Barbara

“…Amoebic gill disease (AGD), caused by the amoeba Neoparamoeba perurans, has led to considerable economic losses in every major Atlantic salmon producing…”
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