A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions

reindeer eradication introduced species polar region wildlife grazing ecosystem conservation biodiversity fauna nature animal behavior habitat invasive species ecological impact field study environment wildlife management herbivores tundra green moss landscape south atlantic introduction preservation efforts summer cold climate animal migration seasonal changes wildlife observation research environmental science animal population remote islands island ecology historical impact habitat restoration grazing patterns ecological balance reindeer ecology natural behavior animal conservation island biodiversity wildlife protection small group