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Tundra in Asia

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Snejana Vladimirova

on 16 October 2012

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Transcript of Tundra in Asia

Thank you for your attention! Air pollution from Europe travels through wind currents to Northern Siberia and the North Pole and accumulates in snow cover and ice through snowfall and precipitation. This means Asian Tundra plays a very important role in the biogeochemical cycles of the constituents of air pollution – sulfur, nitrogen, chloride. Tundra – a Global Carbon Sink Other environmental impacts: 1. Depletion of the ozone layer General Information Data source: weatherbase.com By: Snejana Vladimirova

Budapest, 2012 Tundra in Asia Most of the Tundra is located between 0 and 500 meters above sea level. The typical topography is plains, but the yearly expansion and contraction of ice is responsible for creating specific landforms such as pingos (hills that grow every year because of ice accumulation underneath the ground surface), polygons and others. Topography and landforms Winter/Summer landscape Source: UNEP Global Warming Major environmental impacts British soldier Reindeer lichen (Cladina Stellaris) Cooperation of algae & fungi. Algae provide food to themselves and the fungi through photosynthesis fungi provide protection and moisture.
They freeze in winter and continue to grow in summer. Plant life - Lichens Muskoxen where extinct from thier Asian habitats about 2000 years ago, but were successfully reintroduced in Taymir region in 1975 Other species: Wildlife – Animals and Adaptations Mosquitos
Physiological adaptation: replace water in blood with glycerol – natural antifreeze action Arctic ground squirrel
Physiological adaptation: hibernation Reindeer
Behavioral: live in herds, migrate
Structural: tick fur, body fat, “rounder body and shorter extremities than the temperate counterparts” (EOEarth) (Stylophorum diphyllum) (Betula nana) (Anemone Patens) (Saxifraga oppositifolia) Most of the plants exhibit one or more of these:
- grow close to the ground
- hairy leaves/stems to reduce transpiration
- grow in groups/clusters
- form underground root web structures
- have flowers with the shape of a cup that are directed towards the sun, to gather maxim sun rays.
- are colored dark shades to attract more solar radiation Wildlife – Plants and adaptations Body Migratory birds and breeding sites Air pollution 2. Road construction 3. Mining 4. Overhunting The active layer is subject to annual freeze-thaw cycles and enables plant life in tundra regions.
Besides conditioning life and ecosystems in arctic areas, permafrost plays an important role in global biogeochemical cycles.
Permafrost and Active layer
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