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Transcript of Taiga
What is a Taiga?
Taiga is a Russian word that means swampy moist forest. Taiga is different from other forest because the common trees that grow in taiga are coniferous (trees with cones) for instance pine tree, cedar tree and spruces tree. Taiga is mostly located under the arctic region. Taiga has variety of special plants and animals like wolverine.
Taiga is also known as boreal forest or taiga biomes, boreal means northern. Biome is a type of a habitat in certain places like mountain tops, dessert and tropical rainforest.
What is taiga also know as?
Animals in Taiga
The cold climate of the taiga makes it difficult place for many animal to live. Most of the animal that lives in taiga has thick coats of fur to protect them against the cold and there are also some hibernate. When it’s winter some of the animals migrate to warmer areas. Most of the animals are seed-eating squirrels and jays, small mammals like ermine and moles. Also larger animals such as deer, moose, elk, and snowshoe hare. The ponds in the taiga provide a great summertime breeding place for many different insects .The typical predators for this area are grizzly bears, wolves, lynxes and wolverines.
What is the impact of humans on the Taiga?
Acid rain -
Acid rain is causing major problems for the Taiga forests. Acid rain is rain that is more acidic than normal. Scientists have discovered that air pollution from the burning of fossil fuels is the major cause of acid rain.
For example power plants and factories burn coal and oil. The smoke and fumes from burning fossil fuels rise into the atmosphere and combine with the moisture in the air to form acid rain.
Acid rain does not usually kill trees directly.
Instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil.
Deforestation - clear of forests or trees
An ecosystem is a community of living organisms (plants and animals) sharing an environment.
What is an ecosystem?
What are the six ecosystem?
What does 'eco' mean?
'eco' is short for ecological
The taiga helps the environment in many ways. The taiga cleans millions of litres of water every day. Also,The number of trees in the taiga remove carbon dioxide (a harmful gas) and convert it into oxygen.
Why is tagia important?
There are not a lot of species of plant in taiga because of the cold weather. Not many can survive the extreme cold of the taiga winter. There are some lichens and mosses, but most plants are coniferous trees like pine, white spruce and hemlock. Evergreens in the taiga tend to be thin and grow close together. This gives them protection from the cold and wind.
Plant in Taiga
Afforestation - Deforestation should be managed more carefully. Trees should be replanted in areas of deforestation.
What is the future for the Taiga?
Acid Rain - Scrubbers (Scrubbers are a device that cleans the gases passing through the smokestack of a coal-burning ) plant should be used to reduce pollution from factories releasing pollution into the atmosphere.
Fossil fuels-coal and oil formed underground from the remains of plants and animals million years old and now use as a fuel.
Global warning- an increase in the average temperature of the earth’s atmosphere especially the changing of usual weather changes
Where is taiga located?
Taiga is located in the northern hemisphere and it lies just the south Arctic Circle. The taiga lies between Tundra
Russia, Mongolia, Norway, Sweden, Iceland, Finland, United States, Canada ,Alaska, Scandinavia, and Siberia have taigas. In Russia, the world’s largest taiga stretches about 5,800 kilometres
Food Chain Song
The taiga has different weather throughout the seasons. . It has very long, cold winters (they can go up to 6 months) and short, hot summers (50-100 days without frost). The reason the taiga has so many evergreens is because that type of tree is perfect for this climate.
Winter's LOWEST temperature in taiga is -53°C.
Winter's HIGHEST temperature is -1°C .
Summer's LOWEST temperature is -1°C.
Summer's HIGHEST temperature is 21°C.
Poaching-illegal hunting, killing or capturing of animals, a practice that occurs in a variety of ways
What is the climate in taiga?
Sun and water
Cycles within the Taiga Biome
There are 6 cycles that occur in the Taiga biome but 2 of the cycles are the most important.
The water cycle is very important to the Taiga . The cold weather makes the Taiga to have a low growing season. Because of this, the water cycle plays an important by keeping the Taiga lively and productive.
The carbon cycle is very important to the Taiga . Carbon is important because the large amount of vegetation species need carbon. The decomposers release carbon dioxide into the atmosphere, then the plants take in carbon dioxide to make food using a process called photosynthesis. Photosynthesis well go through a process that well release oxygen which is a necessity to all living things.
The soil of the taiga is similar to that of the tundra's. Because of the harsh temperatures during the winter, some parts of the taiga have permafrost, or a forever frozen layer of soil. Water from melting snow in warmer seasons cannot seep through the permafrost, so the taiga ground remains soft and damp in some parts. Other areas that do not have permafrost (like the Canadian shield in North America) have a layer of hard rock that remains close to the surface. Like permafrost, prevents water from escaping the surface.
what is a permafrost?
Permafrost is a permanently frozen layer below the earth’s surface. It consists of soil gravel and sand usually bound together by ice
Where is the biggest taiga the world?
The biggest is in Russia it is about 5,800 kilometres (3,600 miles), from the Pacific Ocean to the Ural Mountains
Taiga average rain
The total rainfall in a year is 12 - 33 inches (30 - 84 cm) it mostly rain in summer.
The 300 bird species that call lives in boreal forest home during the summer, only 30 stay through the winter.
Taiga is also called aurora borealis or Northern Lights, which is a natural light display.
The world's oldest trees can be found in the taiga. The bristlecone pines in California are a prime example. One of them is 4,600 years old!
Did you know? Movie
Thank you for wacthing
The ecological footprint is a measure of human demand on the Earth's ecosystems
Created by Stephanie and Emmanuel
Our Ideal Ecosyestem