Which of the following best explain(s) the rationale for protecting mangrove ecosystems in the context of climate resilience?
- Mangroves reduce tidal energy and store freshwater, making them ideal sites for paddy cultivation in saline estuarine belts.
- Their salt-sensitive roots filter seawater, making mangroves key to converting coastal land into freshwater aquaculture zones.
- By withstanding tidal surges and offering biomass resources, mangroves function both as natural bio-shields and livelihood bases for rural communities.
Select the answer using the code given below:
Detailed Explanation:
Statement 1 — Incorrect. Mangroves do NOT store freshwater and are NOT suited for paddy cultivation. In fact, clearing mangroves to make paddy fields is one of the main reasons mangroves are being destroyed — exactly the opposite of conservation.
Statement 2 — Incorrect. Mangroves are halophytes — meaning their roots are salt-tolerant, not salt-sensitive. They don't convert land into freshwater zones. In fact, clearing mangroves for shrimp farming/aquaculture is a major threat to them.
Statement 3 — Correct. Mangroves act as natural bio-shields:
- Their roots (stilt roots, pneumatophores) reduce tidal energy and protect coasts from storms/cyclones
- They provide livelihood resources — timber, honey, fish breeding — for coastal communities
Memory Trick: Mangroves PROTECT coasts and PROVIDE livelihoods — they are NOT meant to be cleared for farming or freshwater use. Anything suggesting "convert" or "clear mangroves for X" is automatically wrong.
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