Arctic plants, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America

arctic plants nunavut tundra vegetation lichen moss northern flora permafrost biodiversity cold climate ecosystem natural habitat survival rocks leaves seasonal changes geography nature ecological research environmental science plant adaptation arctic exploration remote landscape wildlife habitat conservation paleoclimate climate change scientific study flora diversity soil conditions habitat assessment autochthonous species herbaceous plants shrubs arctic tundra indigenous flora biodiversity hotspot ecological resilience natural beauty geographical features cold ecosystem northern ecosystems tundra ecosystem vegetation patterns seasonal growth nutrient cycling arctic research