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6) Mangroves can act as first line of defence against coastal flooding. Elucidate. ( 250 words)

TOPIC: Important Geophysical Phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., geographical features and their location-changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes. Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.

Disaster and Disaster Management.

6) Mangroves can act as first line of defence against coastal flooding. Elucidate. ( 250 words)

The hindu

Why this question:

The article discusses a case study dealing with significant contributions of mangroves to coastal flooding.

Key demand of the question:

One has to explain the importance of Mangroves as a strong mechanism to prevent and manage the issue of coastal flooding.

Directive:

ElucidateGive a detailed account as to how and why it occurred, or what is the particular context. You must be defining key terms where ever appropriate, and substantiate with relevant associated facts.

Structure of the answer:

Introduction: 

In brief state the recent coastal flooding witnessed by the Indian states like Kerala and Karnataka.

Body:

First explain the causative factors of coastal flooding.

Discuss the need to manage these floods; their impact.

Explain the role played by Mangroves – what are mangroves? Advantages and in what way they act as natural seawall.

Illustrate with suitable examples to justify better.

Conclusion:

Conclude with way forward.

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