Uppeldissvæði eru svæði sem eru mest nýtt af seiðum og ungum fiskum. Það er hægt að líta á þau sem einskonar leikskóla fyrir fiska. Þessi svæði eru mjög mikilvæg fyrir þær fisktegundir sem nýta þær. Svæðin veita öryggi og fæðu fyrir seiðin. Þess vegna er mikilvægt að vita hvar þessi svæði eru og hvert […]
Hvar eru urriða- og bleikjuseiðin? Read More »
Nursery grounds are habitats mainly used by juvenile (baby) fish. As the name suggests these habitats are like nurseries for fish. Nursery grounds are very important for the fish species using them. Since they provide protection and food for the young. Therefore, knowing where they are and how they are holding up is important.
Where are the baby Brown trout and Arctic charr? Read More »
Marcos Lagunas and his collaborators from the University of Iceland and the Marine and Freshwater Institute teamed up for a project on the genetics of brown trout. Last year, they published an article where they looked into the genetic structure of different trout populations in Thingvallavatn and Ölfusá. The decline of trout in Thingvallavatn
The brown trout of Thingvallavatn and Ölfusá Read More »
Written with Guðbjörg Ósk Jónsdóttir. At the end of May Guðbjörg Ósk Jónsdóttir and her team published an article on the diversity of jaw bones in Arctic charr. They looked into the differences in the skull of the Arctic charr morphs in Thingvallavatn. A little bit of background on the Arctic charr
Diversity of jaw bones in Arctic charr Read More »