46 datasets found

For Loiseleuria procumbens four observation plots were established in order to cover the ecological amplitude of the species with respect to duration of snow cover, difference...

The effect of increased UV-B radiation on plant stress is monitored indirectly by measuring chlorophyll fluorescence in three series of plots: Controls, plots with a filter...

Carbon fluxes are measured weekly. The vegetation in the CO2 flux plots is dominated by Empetrum nigrum heath with Salix glauca as subdominant species. Soil moisture is measured...

Soil samples are collected with a soil corer from which the organisms are extracted in a heat extractor by gradually heating up. Samples are taken from permanent plots 3 times...

The avifauna is monitored with special emphasis on passerine birds representing the highest trophic level. Weekly counts of birds are carried out at 13 census points during the...

Arthropods are sampled by means of yellow pitfall traps. Window traps are used for flying insects. The traps are emptied weekly throughout the snow free season. For further...