Land Use Simplified Revision Notes for GCSE AQA Biology Combined Science

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Learn about Biodiversity & the Effect of Human Interaction on Ecosystems for your GCSE Biology Combined Science Exam. This Revision Note includes a summary of Biodiversity & the Effect of Human Interaction on Ecosystems for easy recall in your Biology Combined Science exam

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7.3.3 Land Use

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Human activities such as building, quarrying, farming, and waste disposal significantly reduce natural habitats, leading to a decline in biodiversity. As humans expand their use of land, the available space for animals and plants shrinks, disrupting ecosystems and endangering species.

Peat Bogs

What is Peat? Peat is partially decayed plant material that forms in environments with low oxygen, such as acidic and waterlogged bogs.
Habitat Importance: Peat bogs provide vital habitats for a variety of species, particularly for migrating birds and unique plants.

Threats to Peat Bogs:
- Destruction: Peat bogs are being drained for agricultural use, and peat is harvested for use as compost and fuel.
- Environmental Impact: When peat is extracted and used as fuel, it releases stored carbon dioxide (CO₂) into the atmosphere, contributing to climate change.

Sustainability: Peat forms very slowly, so it is being depleted much faster than it can regenerate, leading to a loss of this important habitat.

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