Mining
Soil Dynamics
Subalpine Pine Forests
Great Basin Desert Biodiversity
Tropical Savanna Woodlands
Cold Desert Ecosystems in Polar Regions
Saarland
Arctic Tundra Biodiversity and Ecosystem Health
Prevent Deforestation Events 
Causes of Deforestation Deforestation is primarily caused by human activities such as logging, agriculture expansion,
mining, and infrastructure development
...
Soil Dynamics Human Activities Land use practices such as
mining and construction can disrupt soil dynamics and lead to degradation
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Subalpine Pine Forests Human activities such as logging,
mining, and development also pose a threat to subalpine pine forests, as they can disrupt the delicate balance of these ecosystems and lead to habitat loss
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Great Basin Desert Biodiversity biodiversity, the Great Basin Desert faces numerous threats from human activities such as urban development, agriculture, and
mining ...
Tropical Savanna Woodlands Human activities such as deforestation, agriculture, and
mining have led to habitat loss and fragmentation in many regions
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Cold Desert Ecosystems in Polar Regions Human activities such as oil and gas exploration,
mining, and tourism are also putting pressure on cold desert ecosystems in polar regions
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Saarland Economy: Saarland has been a heavily industrialized federal state since the 19th century, based on hard coal
mining in Saarland and the import of iron ore from Lorraine
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Arctic Tundra Biodiversity and Ecosystem Health Human activities such as oil and gas extraction,
mining, and pollution also pose significant risks to the Arctic tundra
...
Tundra Wildlife Migration and Habitat Human activities such as oil and gas development,
mining, and infrastructure projects also pose significant threats to tundra wildlife
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Endangered Insect Species Habitat destruction due to urban development and sand
mining has threatened their survival
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Nebenberuflich selbstständig 
Nebenberuflich selbständig ist, wer sich neben seinem Hauptjob im Anstellungsverhältnis eine selbständige Nebentigkeit begründet.
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