For at least one day a year there is an entire day of darkness in these habitats – and also a full day of sunshine. The ground is permanently frozen. Very few plants grow in these habitats as ...

Permafrost — the permanently frozen ground that underlies much of the Arctic land surface ... vast network of wetlands and lakes across the Arctic tundra that provide habitat for animals and plants.

Programs related to invasive species, habitat and trails, native plants and agriculture have all been negatively impacted. Soil and water ... 10 of their 25 grants frozen earlier this year.