Question

Ну не 10 б а 4б Как повлияла деятельность людей на растительность тундры!!!!!!!! пж

Answer 1

1 пастбища для оленей
2научные иследования
3 вытаптывание животными и людьми

Answer 2

The Impact of Human Activities on Tundra Vegetation

Human activities have had a significant impact on the vegetation of the tundra. The tundra is a unique biome characterized by low temperatures, short growing seasons, and a layer of permanently frozen soil called permafrost. The fragile ecosystem of the tundra is highly sensitive to disturbances, including those caused by human activities. Here are some ways in which human activities have influenced tundra vegetation:

1. Infrastructure Development: The construction of infrastructure, such as roads, pipelines, and buildings, can lead to habitat fragmentation and disturbance of the tundra ecosystem. These activities often involve the clearing of vegetation, which can disrupt the delicate balance of plant communities.

2. Mining and Extraction: Mining and extraction activities, such as oil and gas exploration, can have a significant impact on tundra vegetation. These activities often involve the removal of vegetation and the disturbance of the soil, leading to changes in plant composition and reduced biodiversity.

3. Pollution: Pollution from industrial activities can have detrimental effects on tundra vegetation. Air pollution, including emissions from factories and power plants, can deposit pollutants onto the tundra, affecting plant health and growth. Water pollution from mining and other industrial activities can also contaminate tundra ecosystems, impacting vegetation.

4. Climate Change: Human-induced climate change is one of the most significant factors affecting tundra vegetation. Rising temperatures in the Arctic region are causing the permafrost to thaw, leading to changes in soil moisture and nutrient availability. These changes can affect the growth and distribution of tundra plants, leading to shifts in plant communities and the invasion of non-native species.

5. Overgrazing: In some regions, overgrazing by domesticated animals, such as reindeer or caribou, can impact tundra vegetation. Overgrazing can lead to the depletion of plant resources, soil erosion, and changes in plant community composition.

It is important to note that the impact of human activities on tundra vegetation can vary depending on the specific location, intensity of the activity, and the resilience of the ecosystem. Efforts are being made to mitigate these impacts through sustainable practices, conservation efforts, and the establishment of protected areas.

I hope this information helps! Let me know if you have any further questions.