Discuss the role of marine protected areas (MPAs) in conserving marine biodiversity, focusing on three Indian marine species: the Humphead wrasse (Cheilinus undulatus), the Olive ridley turtle (Lepidochelys olivacea), and the Indo‑Pacific bottlenose dolphin (Tursiops aduncus). Explain at least four specific benefits that MPAs provide to each species.

Step-by-step solution

1. Define MPAs and their primary purpose of restricting extractive activities to conserve marine ecosystems.
2. Explain general benefits of MPAs: reduced fishing pressure, habitat protection, genetic diversity preservation, and support for scientific research.
3. Detail benefit 1 for Humphead wrasse: protection of spawning reefs reduces harvest pressure and increases recruitment.
4. Detail benefit 2 for Humphead wrasse: preservation of coral habitats maintains food supply and shelter.
5. Detail benefit 3 for Olive ridley turtle: protection of nesting beaches prevents disturbance during critical breeding season.
6. Detail benefit 4 for Olive ridley turtle: restriction of coastal development preserves foraging grounds.
7. Detail benefit 1 for Indo‑Pacific bottlenose dolphin: protection of marine corridors reduces vessel collisions.
8. Detail benefit 2 for Indo‑Pacific bottlenose dolphin: conservation of prey species through reduced overfishing.
9. Detail benefit 3 for Indo‑Pacific bottlenose dolphin: reduced pollution and noise enhances communication.
10. Detail benefit 4 for Indo‑Pacific bottlenose dolphin: provision of research sites to monitor health and population trends.
11. Summarise that MPAs provide multi‑layered protection, benefiting all three species through habitat, genetic, and population safeguards.

Concept tested: Marine protected areas and species conservation

Published 20 September 2026 · How this solution was prepared and checked