Sustainability of Norwegian salmon farming evaluated on the basis of marine feed resources : an exploratory assessment
This study examines the sustainability of Norwegian salmon farming on the basis of its use of marine feed resources, from a biological perspective. The salmon farming industry in Norway is deemed moderately sustainable according to the assumptions and methodology applied in this thesis. However, it is pointed out that these results would most likely have been different if social and economic aspects had been included. Another aspect is that the food vs. feed issue does not accrue to the current discussion, as this is purely decided by economic considerations. The study also point out that at present, salmon is the best overall existing alternative for food production. Salmon can be produced more efficiently and with higher output than any other livestock, such as pig and poultry. The limited supply of marine resources is not considered to restrict a further expansion of the salmon farming industry in near future, but poses a challenge in the long term. Keywords: Sustainability, salmon, feed, forage fish, FCR, fisheries management
ForlagUniversitetet i Tromsø
University of Tromsø
MetadataVis full innførsel
Følgende lisensfil er knyttet til denne innførselen:
Viser innførsler relatert til tittel, forfatter og emneord.
Dyspriani, Polite (Master thesis; Mastergradsoppgave, 2007-05-29)Shrimp world production in the last few years has shown very high growth rates. It is marked by an increasing of production volume, and by shifting from capture to aquaculture fisheries within the production system. This has occurred mostly regarding to the brackish water pond. For some years, the government has had to face hard choices in order to ensure shrimp aquaculture developed sustainable. ...
Nolde Nielsen, Kåre (Doctoral thesis; Doktorgradsavhandling, 2008-11-21)What is the relationship between science and politics? What should it be? How are their respective roles conceived and acted out in practice? Should science and politics be clearly separated? How? Are there cases in which they can be usefully mixed? What cases are those, and are there some ways of mixing that are better than others? This project explores such questions by examining relationships ...
Karlsen, Kine Mari (Doctoral thesis; Doktorgradsavhandling, 2011-08-26)The purpose of this thesis was to study granularity and its importance for traceability in seafood supply chains. The following hypothesis was applied in this thesis: The implementation of traceability of seafood is affected by the granularity level of the traceable units. Three sub-tasks were carried out to test the hypothesis: 1) identify critical traceability points (CTPs) of seafood products, ...