Results 101 to 110 of about 15,113 (211)
Gravel galore: Impacts of clear-cut logging on salmon and their habitats [PDF]
, 2002 Timber harvest may have both direct and indirect effects on salmon, and with a few exceptions those effects result in lowered survival of salmon in their stream habitats compared with unlogged forest (Hicks et al. 1991b).
Hicks, Brendan J.
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Aquaculture ReportsEarly rearing environment affects performance later in life. In Atlantic salmon (Salmo salar) aquaculture intensive smolt production has been linked to deviating cardiac morphology and increased mortality risks following stressful events during the ...
Malthe Hvas +3 more
doaj +1 more source
Aquaculture Reports, 2019 Two isoenergetic feeding strategies, with emphasis on the grow-out stage (> 1 kg), with dietary high (HP > 1.1) and low protein-to-lipid ratio (LP
Rúni Weihe +5 more
doaj +1 more source
A Review of World Salmon Culture [PDF]
, 1991 World farmed salmon production reached 145,000 metric tons (t) in 1988 and an estimated 217,000 t in 1989. The latter figure is comparable to the U. S. annual salmon catch (about 250,000 t) and is approaching one-third the size of the world wild salmon ...
McFeeters, Brian D.
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Species Conservation on a Working Landscape: The Joint Production of Wildlife and Crops in the Yolo Bypass Floodplain [PDF]
Replaced with revised version of paper 07/19/11.Crop Production/Industries, Resource /Energy Economics and Policy,
Garnache, Cloe, Howitt, Richard E.
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Avian piscivores: basis for policy. [PDF]
, 1994 In Britain, many birds eat fish in fresh waters but only three species, cormorant, red-breasted merganser and goosander, are commonly perceived to present serious problems for freshwater fisheries. Complaints are mainly that cormorants eat large fish and
Carss, D.N., Marquiss, M.
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A survey of estuarine oxygen concentrations in relation to the passage of migratory salmonids [PDF]
, 1984 This report presents the first attempt at a national assessment of an Environmental Quality Standard (EQS) for dissolved oxygen (DO) in estuaries with the objective of allowing the passage of migratory salmonids. Under the Control of Pollution Act,
Hugman, S.J., Mance, G., O'Donnell, A.R.
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INDUSTRIAL AGGLOMERATION AND PRODUCTION COSTS IN NORWEGIAN SALMON AQUACULTURE [PDF]
During the last decade, empirical evidence of regional agglomeration economies has emerged for some industries. This paper argues that externalities from agglomeration are not only present in some manufacturing and service sectors, but can also occur in ...
Tveteras, Ragnar
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, 2007 International audienceAcidification has caused the loss or reduction of numerous Atlantic salmon (Salmo salar L.) populations on both sides of the North Atlantic.
Finstad, B. +5 more
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NRA North west salmonid microtagging programme 1987-1994 [PDF]
, 1994 The microtagging programme began in 1987 using hatchery reared salmon originating from the rivers Caldew and Hodder and subsequently included the Lune (1988) and Ribble (1989).
Apprahamian , M.W., Farooqui, M.A.
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