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DIVYAAIR 182· 2025

Question Q.17GS1GS2

What are the geographical factors responsible for the growth of mangrove vegetation in India? Also highlight its role in coastal ecology.

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Main Body

More than five states in India have geographical conditions favorable to host the 'halophytic pneumatophoric plants - mangroves'

Mangrove distribution: Kerala, Mumbai, mangrove, Ganga - Brahmaputra delta, Godavari, Sundarbans, Coromandel Coast, Andaman Coast

Geographical factors for Mangrove growth:

1Long coastline - great swarmy conditions - 7600 + km coastline
2Sediment load - from rivers (Ganga, Godavari) - brings sediment load
3Mangroves require silt and clay to survive - provided by river deltas

With insolving of salty and fresh water input - from proximity to saline waters from sea to river influx

4Tropical positioning of India - requires high temperatures (25-30°C) for survival
5Halophytic conditions - salt tolerant species - allow pneumatophores (root exposure)

Role of Mangrove in coastal ecology:

1Shields the coast - against disaster - 2004 Indian Ocean tsunami - mangrove swamps provided resilience
2Cyclone resilience (Karnataka)
2As an area of ecotone - between fresh river ecology & salty oceans - creates biodiversity rich situation (livelihood) fishing ('s hooray coast) - fish, salmon, tuna
3Wetland preservation - kidneys of earth
4Act as carbon sink - sequester carbon
5supports biodiversity - royal Bengal tiger, Sundari tree

Mangroves play a crucial role in ecological stability. MISHTI scheme, National Mangrove reclamation program shows the rich importance of mangroves in coastal ecology

— DIVYA · AIR 182

220 words14 paragraphs

Conclusion

Mangroves play a crucial role in ecological stability. MISHTI scheme, National Mangrove reclamation program shows the rich importance of mangroves in coastal ecology

23 words

Diagram

Map of India showing mangrove distribution along coasts with locations marked: Kerala, Mumbai, Ganga-Brahmaputra delta, Godavari, Sundarbans, Coromandel Coast, Andaman Coast

Examiner score
1.3/10

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Topper

DIVYA

AIR 1822025

Subject & Paper

GS1GS2

Topic

Indian Geography - Ecosystems

Mangrove Vegetation

Geographical factors for mangrove growth

Writing Stats

243

Total words

14

Paragraphs

Linked PYQ

As a senior officer in the Ministry, you have access to important policy decisions and upcoming big announcements such as road construction projects before they are notified in the public domain. The Ministry is about to announce a mega road project for which the drawings are already in place. Sufficient care was taken by the planners to make use of the government land with the minimum land acquisition from private parties. The compensation rate for private parties was also finalized as per government rules. Care was also taken to minimize deforestation. Once the project is announced, it is expected that there will be a huge spurt in real estate prices in and around that area. Meanwhile, the Minister concerned insists that you realign the road in such a way that it comes closer to his 20-acre farmhouse. He also suggests that he would facilitate the purchase of a big plot of land in your wife’s name at the prevailing rate which is very nominal, in and around the proposed mega road project. He also tries to convince you by saying that there is no harm in it as he is buying the land legally. He even promises to supplement your savings in case you do not have sufficient funds to buy the land. However, by the act of realignment, a lot of agricultural lands has to be acquired, thereby causing a considerable financial burden on the government, and also the displacement of the farmers. As if this is not enough, it will involve cutting down of a large number of trees denuding the area of its green cover. Faced with this situation, what will you do? Critically examine various conflicts of interest and explain what your responsibilities are as a public servant.

20M2018Critically examine