We set out to examine possible links between climate warming and increases in mercury concentrations ([Hg]) in landlocked Arctic char (Salvelinus alpinus) in the High Arctic....

Abundance of avian predator species is determine every two days through visual counts from a vantage point from our arrival at the study until our departure.

The relative abundance of species is recorded as the number of individuals seen per hour spent in the field per observer. Each observer record daily the animal species...

We monitor lemming abundance using two methods. (1) Capture-marking-recapture by live trapping animals using Longworth traps on twelve 0.36 grids (25 live-trap stations)...