Department of Physical Geography

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Landhöjning

Grasslands on the rise

Valuable ancient grasslands have declined dramatically during the last century due to the modernisation and intensification of agriculture and forestry. However, a new study by researchers at Stockholm University shows that despite these losses, new grassland is being created all the time. Along the Baltic coast, an enormous amount of potential pasture and meadow is slowly emerging from the sea.

Thawing permafrost peatland in Tavvavuoma, northern Sweden. Data shows high levels of mercury also in these peatlands. Photo: Gustaf Hugelius.

Large amounts of mercury in permafrost

We had not expected levels to be so high also in the deep and ancient permafrost, says Gustaf Hugelius.