The transport of environmental contaminants to the Arctic via water and air is a threat to nature. In the Arctic, methylmercury moves more effectively through the food chain than in more southerly waters.
In the north of Norway, Finland and Russia, researchers follow the movements of the bear across the three countries. Now, these investigations may result in trans-border management in other regions.
With the help of 58,046 fruit flies, scientists in Florida and Norway have shed light on a question that biologists have puzzled over for the last 100 years.
Icelandic horses have high heart rates and lactic acid concentrations during competitions and tests, Swedish study shows. “This is an indication of insufficient basic exercising of the horses,”says a Norwegian expert.
Last year so many rodents roamed Norwegian forests that residences were overrun, from mountain cabin attics to house basements. This summer in southern Norway, rodent numbers have plummeted to roughly one-hundredth of what they were just a year ago.
They’re small and almost unnoticeable, until their population explodes. Now recent swings in Norway’s small rodent populations have underscored the importance of these creatures for the health of the entire natural community.
