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Evolutionary ecology

News archive for Evolutionary ecology

A krill hotspot in the Antarctica was identified as a spawning area and located in cold water near the continental shelf edge of the South Orkney area, while salp hotspots were located in warmer and deeper waters. These findings are recently reported by Torborg Rustand in her Master thesis
Martine R. Solås reports in her Master thesis that enriched rearing reduced post-release growth of Atlantic salmon fry (Salmo salar). Moreover, predatory brown trout fed selectively on small fry.
A new field study, published in MEPS, shows that deep Norwegian fjords house sub-populations of roundnose grenadiers, with little connections to coastal populations.
A group of scientists from BIO are currently on survey in the South Atlantic Ocean
A new study shows that reproductive investment in cod increased during a period of heavy exploitation, and then stabilized or possibly reversed when the exploitation pressure was greatly reduced. However, this pattern was only found for males.
Mathias Stølen Ugelvik will defend his doctoral thesis later this month.
Aurelien has studied the genetic structure of deep-water grenadiers in Norwegian waters
Anne Marte has studied whether environmental enrichment affect feeding behavior in juvenile salmon.
Not many of us may yet know that EvoFish has a sister group in China – "EvofishOUC"!
Mathias Stølen Ugelvik is studying host-parasite interactions using Atlantic salmon and salmon louse as the model system. The latest study, published in the Journal of Evolutionary Biology, shows that lice in an area with fish farming have evolved to become more virulent, as predicted by the theory. Now the study has been also discussed by The Scientist!
The new study published in Conservation Physiology shows that maturation in guppies is highly plastic with respect to ambient oxygen levels.
A new modelling study, published in PNAS, shows that density-dependent growth is important for understanding maturation dynamics in Northeast Arctic cod.
Aurélien Delaval is doing his Masters degree with the EvoFish group at the Department of Biology. Now UiB is highlighting him as an example of the highly international crowd of students that are taking their MSc degree in Bergen.
The ICES Working Group on Fisheries-Induced Evolution (WGEVO) met at IIASA, Austria, to continue with the project mapping the strength of fisheries-induced selection on life-history traits.
Norwegian seafood can pop up in unexpected places.
The temporary EvoFish outpost in Taiwan is active again, this time for a full year: I am now a guest professor at the National Taiwan University.
The ICES Journal of Marine Science has published a theme section on "balanced harvesting".
Silje has studied whether environmental enrichment affects aggressive behaviour in juvenile salmon.

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