Ecosystem interactions
What Ecosystem interactions means in Geography A-Level, as defined for AQA.
Definitions of Ecosystem interactions
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Reference: AQA
Climate, soils and vegetation interact, with cold conditions slowing biological weathering and decomposition, which limits soil fertility and restricts vegetation growth.
Sparse vegetation provides little organic matter to soils, which then retain little moisture, further limiting plant growth.
Topics that use Ecosystem interactions
- Deserts as natural systems (AQA A-Level)
- The nature and distribution of cold environments (AQA A-Level)
Related terms
- Spatial distribution
- Adaptation
- Aridity Index
- Atmospheric circulation
- Environmental classification
- Geomorphic feedback and equilibrium
- Landform
- Landscape evolution
Using Ecosystem interactions in the exam
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