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SeaSalar.no - Atlantic Salmon at Sea - Factors affecting their growth and survival


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SeaSalar.no

 

 

Atlantic Salmon at Sea - Factors affecting their growth and survival

 

The main aims of the SeaSalar research program are to examine factors impacting variation in marine survival of Atlantic salmon over time and in different geographical areas - and to establish a long-term inter-institutional collaboration for present and future projects.

Strengthened collaborative use of data is essential.

 

Link:

http://www.seasalar.no/

 

Edited by Glalaksen
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  • 3 months later...

Vi vet i dag mye om villaksens liv i elver og vassdrag, men mindre om hva den utsettes for i havet.

Nå forener sentrale forskningsmiljøer krefter i et nytt forskningsprosjekt for å undersøke hva som skjer med laksen mens den er i havet.

 

Norsk institutt for naturforskning (NINA):

Skal avsløre villaksens liv i havet

 

Link:

https://www.nina.no/Aktuelt/Nyhetsartikkel/ArticleId/4400/Skal-avslore-villaksens-liv-i-havet

 

 

Vi vet i dag mye om villaksens liv i elver og vassdrag, men mindre om hva den utsettes for i havet.

Nå forener sentrale forskningsmiljøer krefter i et nytt forskningsprosjekt for å undersøke hva som skjer med laksen mens den er i havet.

 

Havforskningsinstituttet (HI):

Skal avsløre villaksens liv i havet

 

Link:

http://www.imr.no/hi/nyheter/2017/12/skal-avslore-villaksens-liv-i-havet

 

 

Vi vet i dag mye om villaksens liv i elver og vassdrag, men mindre om hva den utsettes for i havet.

Nå forener sentrale forskningsmiljøer krefter i et nytt forskningsprosjekt for å undersøke hva som skjer med laksen mens den er i havet.

 

UiT Norges arktiske universitet:

Skal avsløre villaksens liv i havet

 

Link:

https://uit.no/nyheter/artikkel?p_document_id=553816

 

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The SeaSalar project was officially launched 1 August 2018.

We had a kick-off meeting with enthusiastic project planning and discussion of ideas in Bergen in the end of August.

 

SeaSalar - Atlantic Salmon at Sea:

Kick-off meeting

 

Link:

http://www.seasalar.no/NewsArticle/ArticleId/4612/Kick-off-meeting

 

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  • 5 months later...

A new study detected clear negative impacts of salmon lice in terms of reduced growth of salmon during the first months at sea, but more so in years when the general sea survival was low.

 

SeaSalar - Atlantic Salmon at Sea:

Poor ocean conditions may worsen the effects of other impacts on salmon

 

Link:

https://www.seasalar.no/NewsArticle/ArticleId/4738/Poor-ocean-conditions-may-worsen-the-effects-of-other-impacts-on-salmon

 

Artikkelen "Context-dependent impact of an ectoparasite on early marine growth in Atlantic salmon" kan du lese her.

 

Edited by Glalaksen
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  • 4 weeks later...

Predation on adult Atlantic salmon by endothermic fish (bluefin tuna and porbeagle), large toothed whales and other fish was recorded.

 

SeaSalar - Atlantic Salmon at Sea:

New publication on ocean predation and mortality

 

Link:

https://www.seasalar.no/NewsArticle/ArticleId/4760/New-publication-on-ocean-predation-and-mortality

 

Artikkelen "Ocean predation and mortality of adult Atlantic salmon" kan du lese her.

 

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  • 6 months later...

Since 2008 we have tagged more than 1000 adult salmon from the Alta River with temperature sensing data storage tags in order to understand more about ocean migration and habitat use while at sea.

 

SeaSalar - Atlantic Salmon at Sea:

Trends in ocean temperatures affect the thermal habitat of Atlantic salmon during summer and autumn, but not during winter

 

Link:

https://seasalar.no/NewsArticle/ArticleId/4903/Trends-in-ocean-temperatures-affect-the-thermal-habitat-of-Atlantic-salmon-during-summer-and-autumn-but-not-during-winter

 

Artikkelen "Thermal habitat of adult Atlantic salmon Salmo salar in a warming ocean" kan du lese her.

 

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  • 5 months later...
  • 1 month later...

This is the preliminary story of the travels of salmon tagged with satellite tags in River Nidelva at Arendal.

The story includes a new record, with bluefin tuna or porbeagle involved.

 

SeaSalar - Atlantic Salmon at Sea:

Ocean-cruise with salmon from southern Norway - we follow salmon from River Nidelva on a dangerous journey in the ocean

 

Link:

https://www.seasalar.no/NewsArticle/ArticleId/5029/Ocean-cruise-with-salmon-from-southern-Norway-we-follow-salmon-from-River-Nidelva-on-a-dangerous-journey-in-the-ocean

 

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  • 2 months later...

Lea Hellenbrecht successfully defended her master thesis at the University of Bergen in the beginning of September, on feeding of wild Atlantic salmon post-smolts in Norwegian fjords.

 

SeaSalar - Atlantic Salmon at Sea:

Master thesis with exciting results on marine feeding of young salmon

 

Link:

https://www.seasalar.no/NewsArticle/ArticleId/5089/New-master-thesis-with-exciting-results-on-marine-feeding-of-young-salmon

 

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  • 4 weeks later...

PIT-tags are often used to study marine mortality in salmon.

It is important that the tagging itself does not increase mortality.

New review publication assessed tagging effects based on available studies.

 

SeaSalar - Atlantic Salmon at Sea:

Reliable survival estimates based on tagged fish depend on using small enough tags

 

Link:

https://www.seasalar.no/NewsArticle/ArticleId/5106/Reliable-survival-estimates-of-tagged-fish-depend-on-using-small-enough-tags

 

Artikkelen "Systematic review and meta-analysis of PIT tagging effects on mortality and growth of juvenile salmonids" kan du laste ned her.

 

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  • 2 months later...

We looked at potential competition between salmon and mackerel or herring, in a new publication.

There was no evidence to support the hypothesis that lower marine survival for salmon in recent years can be explained by competition with herring or mackerel.

 

SeaSalar - Atlantic Salmon at Sea:

Do salmon post-smolts compete for food with mackerel or herring?

 

Link:

https://www.seasalar.no/NewsArticle/ArticleId/5137/Do-salmon-post-smolts-compete-for-food-with-mackerel-or-herring

 

Artikkelen "Feeding interactions between Atlantic salmon (Salmo salar Linnaeus) post-smolts and other planktivorous fish in the Northeast Atlantic" kan du lese her (abstract - artikkel krever innlogging).

 

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  • Glalaksen changed the title to SeaSalar.no - Atlantic Salmon at Sea - Factors affecting their growth and survival
  • 4 months later...

Many surprises from tagging Atlantic salmon with pop-up satellite tags.

Further north and east than we thought, more use of oceanic fronts, deeper dives and staying in colder water.

 

SeaSalar - Atlantic Salmon at Sea:

Redefining the oceanic migration of Atlantic salmon

 

Link:

https://www.seasalar.no/NewsArticle/ArticleId/5168/New-publication-on-the-oceanic-migration-of-Atlantic-salmon

 

Artikkelen "Redefining the oceanic distribution of Atlantic salmon" kan du laste ned her.

 

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  • 1 month later...

The global scale of climate change, altered ocean ecosystems and reduced sea survival make these threats to Atlantic salmon difficult - but not impossible - to address.

We review impacts and suggest management options in a new article.

 

SeaSalar - Atlantic Salmon at Sea:

Atlantic salmon in a rapidly changing environment - facing the challenges of reduced marine survival and climate change

 

Link:

https://www.seasalar.no/NewsArticle/ArticleId/5173/Atlantic-salmon-in-a-rapidly-changing-environment-facing-the-challenges-of-reduced-marine-survival-and-climate-change

 

Artikkelen "Atlantic salmon in a rapidly changing environment - Facing the challenges of reduced marine survival and climate change" kan du lese her.

 

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