A brief description of the arctic

Without the permafrost, the ground can collapse. There are only 48 land mammals that make this habitat their home. Mammals Around species of mammal inhabit the Arctic region, including the aptly named Arctic fox Vulpes lagopus and Arctic hare Lepus arcticuswhich are both superbly adapted for life at sub-zero temperatures, with their dense fur providing excellent insulation 7 8.

The Arctic is not a country or continent, but rather a region at the extreme north of the planet. In the winter the opposite light conditions are present.

Top Threats Climate change is currently the greatest threat to the Arctic region 1. A layer of permanently frozen subsoil called permafrost exists, consisting mostly of gravel and finer material.

Considerations Tundra life is also extremely susceptible to outside disturbance. However, something that many people might find unusual given the lack of rain or snow is the presence of a lot of standing water.

History of a name: Another alternative is to migrate south in the winter, like birds do. Due to the harshness of the environment, there are no trees and little diversity of plant life.

Amphibians of the Arctic region include the Siberian salamander Salamandrella keyserlingiithe Endangered Semirechensk salamander Ranodon sibiricus and the wood frog Rana sylvatica 1 Some of these breed exclusively in the Arctic, including the brent goose Branta berniclathe ivory gull Pagophila eburnea and 17 of the 24 species of sandpiper 1 Unlike the arctic tundra, the soil in the alpine is well drained.

The natural population of the tundra varies drastically throughout the year.

The Arctic Circle

Arctic tundra is located in the northern hemisphere, encircling the north pole and extending south to the coniferous forests of the taiga. This has already reduced the available habitat for species such as the polar bear, which relies on the presence of the Arctic sea ice to hunt Fish and invertebrates There is no shortage of invertebrates in the Arctic, with an estimated 3, species of insect found in the region.

The construction of roads, use of off-road vehicles, hydropower development and introduction of alien invasive species are all also currently threatening the native species of the Arctic region 1.

Tech & Learning

Gaps in the knowledge of Arctic ecosystems also need to be filled in order to understand how to best conserve this unique eco-region 1.

The future of the Arctic region is very much reliant upon international conservation efforts.

In many ways this biome is a cold desert, lacking significant precipitation. Rainfall may vary in different regions of the arctic. Much of the Arctic Ocean remains covered in floating sea ice throughout the year 4. The climate of the Arctic is highly variable, both with season and location 4.

If its a bit warmer, trees are able to send to send roots deep enough to root and grow. The frozen ground below this active layer acts as an impermeable barrier, leading to the ground becoming waterlogged and forming numerous shallow lakes 4.

In summer this is reduced to about 8 million square kilometres. It is relatively self-contained a Northern Mediterranean ; the atmosphere, land, freshwater and sea are highly interconnected coupled vertically and laterally.

References Description The stunning, icy landscapes and charismatic wildlife of the Arctic region have captured the imaginations of humans for centuries. The Arctic Ecosystem grades into warmer Southern regions of the World and interacts with them.

This feature helps define the tundra. The nighttime temperature is usually below freezing. The landscapes of the tundra are shaped by frost, and the temperatures remain low throughout the year.

In the summer, the sun is present almost 24 hours a day. Due to the short growing season, plant life in the tundra cannot easily rebound from any destruction. Soil is formed slowly. Among the many birds of the tundra are the gyrfalcon, rock ptarmigan, snowy owl and tundra swan.

Sep 07,  · This story originally appeared in SAPIENS, an online magazine focused on anthropology. In the Siberian Arctic, the Ob River flows lazily across vast, cold stretches of tundra.

In the city of. Arctic foxes live in burrows, and in a blizzard they may tunnel into the snow to create shelter. Arctic Adaptations Arctic foxes have beautiful white (sometimes blue-gray) coats that act as very effective winter camouflage.

Arctic tundra is located in the northern hemisphere, encircling the north pole and extending south to the coniferous forests of the taiga. The arctic is known for its cold, desert-like conditions.

Tundra is the coldest of all the biomes. Tundra comes from the Finnish word tunturi, meaning treeless plain. It is noted for its frost-molded landscapes, extremely low temperatures, little precipitation, poor nutrients, and short growing seasons.

Nov 07,  · Brief Description This study seeks to quantify and improve the understanding of short-term and long-term responses of tundra vegetation to warming and document the changes in tundra vegetation occurring.

The arctic tundra exists only in the northern regions of the Earth, mostly north of the Arctic Circle. Arctic tundra is found in Canada, northern Alaska and the Siberian regions of Russia. The tundra is south of the area permanently covered by ice and north of the regions in which trees can grow.

The Arctic Circle A brief description of the arctic
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Projects - Arctic Ecology Program (AEP) - Grand Valley State University