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Embed code for: THREATS TO TAIGA
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THREATS TO BOREAL FOREST
∙ Temperatures are cold(between+&-5 °C)
∙ About 20 cm of prec ipitation each year to over 200 cm (much of rainfall form is snow)
∙ The winters are cold and long; summers are short and cool relatively
∙ The growing season s are short, they're usually less than 3 months
Distribution in the earth
Most trees are pine trees which grow narrow and long leaves like needles.
why are such leaves?
Grizzly bear →
Moose, snowshoe hare→
In Canada, millions of ares of trees will be harvested yearly. Because timbers are a kind of important building material, and also they can made paper that people almost use everyday.
Oil & gas exploitation
Oil and gas are both fossil fuel that can provide energy for human. And most parts of energy come from fossil fuel. Hence they are important for our daily life. However, while people exploit fossil fuel, it makes some hazards to forest as well.
Normally, there are some lakes and rivers next to a forest, they provide water for the forest system. Sometimes, people build dams on the rivers to product electricity. It will cause some areas of forest dry-up.
Why we should protect
boreal forest ecosystem
( what functions does this ecosystem have)
Solution to Logging
Cutting trees decentralizedly
Limiting cutting number per hectares
Planting new trees after cutting to keep ecosystem sustainable
Solution to Oil & Gas Exploitation
Developing renewable energy
Restoring original environment after exploiting
Solution to Deforestation
Don't build dams next to boreal forest
Planting more trees
Reducing exploitation of undergound water
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