Lemming years are important for far more than just predators
The number of lemmings varies greatly from year to year. Other species also have similar fluctuations. Why is it like this, and what happens if lemming years happen less often?
Environmental monitoring
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Need to know much more about deep sea mining
The Norwegian government has proposed opening an area of the continental shelf to deep sea mining. NTNU researchers have worked for more than a decade on this issue. They say we have much to learn before Norway can decide if this can become a viable industry.
Gaining a better overview of life on earth
Approximately 47 000 different species have been identified in Norway – and there are probably many more. A new tool can help us gain a better overview.
Tracking whales as they cruise the Arctic
For the first time ever, researchers have been able to track eight fin whales in near real time for five hours, as they swam along a stretch of fibre-optic cable line in the Arctic. The breakthrough suggests that fibre-optic cable networks could be harnessed to help prevent whale deaths by ship strikes.
The ice in Antarctica has melted before
The ice sheet in Queen Maud Land in East Antarctica is not stable. Large amounts of ice have melted in the past, most recently as 5,000 years ago.
Just one degree can change a species
Even seemingly small changes in the climate can change the number of animals and plants in an area and how species behave, new research shows. Natural history collections provide valuable insights.
Eavesdropping on the Earth itself
This summer, a coalition of researchers led by the Norwegian University of Science and Technology reported the first-ever use of a fibre-optic cable network to eavesdrop on whales in the Arctic. Now they suggest these networks be used to establish a low-cost global ocean-earth observatory.
More efficient ocean mapping and monitoring
Australia has a seafloor monitoring program where they can precisely surveil the changes in the environment. NTNU has attracted one of the key researchers from this project. Oscar Pizarro’s research goal is to find tools to facilitate continuous observation with less resources.
Why there is still hope for our planet
Is it too late to save our planet? Professor Jianguo Liu is the newest winner of The Gunnerus Award in Sustainability Science. He offers us some hope.
How a plant from the USA invaded Europe
This invader can extend the pollen season to November, and it is heading towards Norway. For now, it has stopped in Denmark.
Eavesdropping on whales in the high Arctic
The Earth’s oceans are crisscrossed with roughly 1.2 million km of fibre optic telecommunication cables — enough to girdle the planet 30 times. Researchers have now succeeded in using fibre in a submarine cable as a passive listening system, enabling them to listen to and monitor whales.
Hunting can be good for wildlife populations
Hunting or other wildlife regulations can make a population more viable – if done correctly.
Ladybirds: The insects almost everyone likes
Ladybird beetles are probably among the most popular insects we have. Did you know that Norway has some 50 different species – plus some unwelcome guests?
Norway has been given a floating ocean laboratory
The OceanLab will contribute to research on underwater robotics, aquaculture, autonomous shipping and environmental research.
Finding order in chaos wins the prize
The Nobel Prize in Physics is going to three individuals who found that the world isn’t always as chaotic as we think.
How do dolphins learn to live along the coast?
Ocean-dwelling dolphins have repeatedly adapted to life in coastal areas throughout history.
The Norwegian wolf is extinct
The Norwegian wolf died out in the wild a long time ago. The wolves in Norwegian forests today are Finnish. Inbreeding is making them prone to extinction as well.
What is nature worth?
Climate change is not the greatest threat to the diversity of species on Earth. The main problem is that animal and plant habitats are disappearing.
The Gunnerus Award in Sustainability Science goes to a holistic thinker
The Gunnerus Sustainability Prize for 2021 has been awarded to Professor Jianguo (Jack) Liu at Michigan State University.
Losing ground in biodiversity hotspots worldwide
Agriculture is eating into areas that are important in protecting some of the most biologically diverse places on the planet. Most of this new agricultural land is being used to grow cattle feed.
Water flow can be traced with synthetic DNA sand
If your drinking water is contaminated, you’d no doubt like to find out where the pollution comes from. Researchers are working to make this easier.
Trees struggle when forests become too small
As forest areas shrink and become fragmented, many tree species face problems. They often rely on animals that can no longer disperse their seeds effectively.
Six years into the ice — and beyond
The Arctic’s once impenetrable ice cap is melting away, with profound consequences for everything from ocean circulation patterns to fish numbers and diversity. The Nansen Legacy Project, including NTNU biologists, chemists and engineers, is working to better understand what these changes mean for the Barents Sea and the Arctic Basin
Conflicting consequences of climate change for Arctic geese
Climate change is the big wild card when it comes to the survival of many Arctic species. A new study shows that climate change will be both good and bad for Svalbard barnacle geese populations — although the balance may tip depending upon the severity of future temperature increases and how other species react.