And with lichen as their vehicle, algae have the versatility to inhabit a vast range of ecosystems around the globe, living anywhere from the Arctic tundra to the most arid desert. Lichen is the ...

The Arctic tundra contains a number of low shrubs and sedges as well as reindeer mosses, liverworts, grasses, lichens, and around 400 types of flowers. There are also a number of animals that call ...

and rosette perennials (i.e. lichens, mosses, sedges, perennial forbs, rosette, and dwarfed shrubs). Animals in the Arctic and alpine tundra must adapt to cold and harsh conditions. Large Arctic ...

Their computer simulation shows that their rapid expansion is a great threat to the tundra's exceptional vegetation composed of dwarf shrubs, grasses, mosses and lichens. Aerial photo of open ...

It has also helped preserve the tundra habitat so native species such as mosses, lichen and low-growing willows can continue to thrive. Reindeer to the rescue Jeremejeff and other reindeer herders ...

For many reindeer to survive in the wild, this lichen is necessary. Reindeer live in the Arctic tundra (a frigid treeless ...

Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant. Tundra lands are covered with snow for much of ...

It's the same lichen that grows in alpine tundra, where it does indeed serve as reindeer fodder. Lichens are rootless organisms that collect almost all of their nutrition from the air. Since they ...

By Raymond Zhong For thousands of years, the shrubs, sedges, mosses and lichens of the Arctic have ... balmier air temperatures are thawing Arctic tundra, activating carbon-hungry microbes ...

For caribou, growth of woody plants like alders and willows means problems. Caribou depend on tundra plants like lichen and mosses; the shrubs and trees taking over the terrain are reducing the ...

Reindeer are playing a crucial role in preserving the tundra. As the Sápmi winters are getting warmer and wetter, the lichen and grass reindeer rely on are frozen over. Sámi reindeer herders ...