Results 71 to 80 of about 75,402 (209)

Temporal variation in sea trout Salmo trutta life history traits in the Erriff River, western Ireland

open access: yesAquaculture Environment Interactions, 2016
The demographic and life history characteristics of sea trout Salmo trutta L. populations can be changed by a range of pressures in both freshwater and marine environments.
PG Gargan   +3 more
doaj   +1 more source

The Salmon Louse Lepeophtheirus salmonis (Copepoda: Caligidae) life cycle has only two Chalimus stages.

open access: yesPLoS ONE, 2013
Each year the salmon louse (Lepeophtheirussalmonis Krøyer, 1838) causes multi-million dollar commercial losses to the salmon farming industry world-wide, and strict lice control regimes have been put in place to reduce the release of salmon louse larvae ...
Lars A Hamre   +7 more
doaj   +1 more source

INPUT FACTOR SUBSTITUTABILITY IN SALMON AQUACULTURE [PDF]

open access: yes
The salmon aquaculture industry has experienced substantial expansion during the last two decades. This expansion is largely the result of increased productivity, with a complementary decrease in costs.
Guttormsen, Atle G.
core   +1 more source

Petri dishes of an archipelago: the ecological rubble of the Chilean salmon farming industry

open access: yesJournal of Political Ecology, 2017
This article narrates part of the history of salmon flu in the Chilean salmon industry, and attempts to tie together environmental history and political ecology in order to reveal the complicated non-human and human collectives that constitute its ...
Andrew Gerhart
doaj   +1 more source

Faustmann in the Sea: Optimal Rotation in Aquaculture [PDF]

open access: yes
In this article an extended version of the well-known Faustmann model is developed for solving the rotation problem in fish farming. Two particularly important aspects of the problem are emphasized: First, the possibilities for cycles in relative price ...
Guttormsen, Atle G.
core   +1 more source

Risk and precaution: Salmon farming

open access: yesMarine Policy, 2016
Abstract The salmon farming industry uses coastal, temperate marine waters to culture salmon in flow-through net pens. As marine currents pass through salmon farms, pathogens are carried in both directions between two highly contrasting environments. When wild fish are infected with pathogens spilling from the farm environment, the natural mechanisms
Morton, Alexandra, Routledge, Richard
openaire   +1 more source

Salmon farming and the environment

open access: yesAquaculture Research, 1994
. The growth of the aquaculture industry and the general awareness of the environment have increased the concern of’ the environmental impact from aquaculture. As fish farms are open systems, all material that is not harvested as fish is released to the environment. The most important effluents are solid particles like feed and faeces, dissolved
openaire   +1 more source

Histidine nutrition and genotype affect cataract development in Atlantic salmon, Salmo salar L. [PDF]

open access: yes, 2005
The aim of this study was to investigate effects of dietary levels of histidine (His) and iron (Fe) on cataract development in two strains of Atlantic salmon monitored through parr-smolt transformation.
Bjerkas, E   +5 more
core   +1 more source

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