IB Biology HL D4.3.8 Carbon Sequestration Approaches Questions

Analyse how peatland conditions and forest-management choices alter carbon sequestration and long-term atmospheric carbon storage.

Exam points

Explain peat formation from partially decomposed organic matter in waterlogged, acidic and anaerobic conditions where decomposers are inhibited.
Evaluate how reforestation or afforestation stores atmospheric carbon dioxide and how deforestation reduces carbon sequestration.

[Maximum number: 1]

Explain how the following influence the enhanced greenhouse effect.

Explain how reforestation of desert influences the enhanced greenhouse effect.

decreases $\mathrm{CO}_{2}$ concentration lowering greenhouse effect as trees/plants act as a carbon sink/photosynthesis absorbs $\mathrm{CO}_{2}$

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