Question

4. Describe the large-scale change that occurred at Coldwater Creek after the eruption. What effect would this have had on the local ecosystem?

Answer 1

The gases and dust that the volcanic eruption releases changes the climate because most particles erupted shade incoming solar radiation causing the global climate to cool down.

What are the different ways to recover grassland ecosystem after volcanic revolution?

The volcanic eruption destroys a grassland ecosystem. They burns the place and the plants. The dusts cover up the leaves and the heat kills the seeds and spores of the plants. The recovery isn’t easy and fast.  

As the volcano lava cools and subsides, the new vegetation starts to grow.  

• The seeds are brought by the wind, birds and other animals that are spread over the landform.  
• The rain provides the necessary water for germination.  
• Volcano supplies the necessary minerals that are very good for plant growth.  

Thus, most particles erupted shade incoming solar radiation causing the global climate to cool down.

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Answer 2

There is a loss of many organisms of marine ecosystem.

What is coldwater creek lake?

The lake was created during the 1980 eruption of Mount St. Helens, which blocked its natural outlet, Coldwater Creek, with volcanic debris. It is one of several lakes in the area that were created or otherwise enlarged by the eruption.

The lake was completely vacated after the eruption as well as the eradication of all life forms except for bacteria, which can be a source of a new life in lake.

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