Sven Jonasson

TL;DR: It appears that enhanced microbial activity and microbial nutrient immobilization rather than phytotoxic effects was the primary reasons for the reduced biomass production in F. vivipara even after addition of the leaf extracts.

TL;DR: The expected global change-induced reduction of nonvascular plant biomass in subarctic heath is likely therefore to enhance C release during the late part of the growing season.

TL;DR: In this paper, climate change scenarios predict higher temperatures and changed precipitation pattern in the Arctic, which is likely to alter the ecosyststructure of high-latitude ecosystems contain large soil carbon stocks.

TL;DR: The impact of the perturbations on the nematode populations was most severe at the climatically harsh high altitude fellfield, probably as a result of the lower initial biodiversity at that site, and the estimates of functional properties at the sites indicates considerable redundancy among the Nematode fauna.

TL;DR: The negative response of current Arctic ecosystems to global climatic conditions that are apparently without precedent during the Pleistocene is likely to be considerable, particularly as their exposure to co-occurring environmental changes (such as enhanced levels of UV-B, deposition of nitrogen compounds from the atmosphere, heavy metal and acidic pollution, radioactive contamination, increased habitat fragmentation) is also without precedent.