Categories: ecology

20 September 2017 11:00

10,000 year-old DNA proves when fish colonialized our lakes

DNA in lake sediment forms a natural archive displaying when various fish species colonized lakes after the glacial period. This according to researchers at the Department of Ecology and Environmental Science at Umeå University in a study published in the journal Methods in Ecology and Evolution.

4 March 2014 09:10

Not even freezing cold stops alien species in high altitudes

They hitchhike with us under the soles of our shoes and muddy car tires. Harsh and cold climates don´t seem to stop alien plants from establishing themselves in high altitudes, where they now successfully penetrate the alpine vegetation, a study at Umeå University and University of Antwerp shows.

5 August 2013 07:00

Umeå ecologist overthrows generally accepted principles in ecology

Contemporary ecological theory assumes that differently sized individuals in a population are equally efficient in their use of food resources. But this is just an exception. It is much more common that ecological patterns occur in nature in conflict with these generally accepted rules. This is shown by Lennart Persson at Umeå university and André De Roos at the University of Amsterdam.