National Centre for Sustainable Coastal Management

The National Centre for Sustainable Coastal Management (NCSCM), an autonomous body under the Ministry of Environment, Forest and Climate Change, has nearly completed the ground-truthing and documentation of 23,415 wetlands in Maharashtra. Currently, only 11 wetlands in the Pune district remain pending verification. This extensive field exercise aims to validate satellite data on-site to finalise boundaries and ecological health records. Once completed, the verified data will be sent to the state government for formal legal notification under the Central Government’s environmental protection frameworks, complying with Supreme Court directives on wetland conservation.

Ground-Truthing and Legal Protection Framework

Ground-truthing acts as a vital bridge between remote sensing data and actual field realities to grant permanent legal protection to ecologically sensitive zones.

The Verification Process

• On-Site Validation: Scientific teams visit each coordinate to physically map boundaries, assess water quality, check biodiversity, and identify local threats.
• Community Engagement: The process incorporates local land records and traditional knowledge to resolve boundary disputes with revenue land before final boundary demarcation.
• Data Integration: Verified physical data corrects errors in satellite imagery, such as seasonal water variations or dense weed cover mimicking terrestrial land.

Regulatory Implications

• Wetlands Rules Compliance: This documentation fulfills the mandatory requirements under the Wetlands (Conservation and Management) Rules, 2017.
• Statutory Notification: Formal notification by the State Wetland Authority restricts prohibited activities like industrial setup, waste dumping, and permanent construction within the wetland boundary.
• Supreme Court Oversight: The time-bound mapping complies with apex court orders directing states to identify and protect all wetlands to prevent irreversible ecological loss.

Ecological Impact and Regional Necessity in Maharashtra

The physical verification of wetlands addresses critical ecological vulnerabilities in both coastal and inland districts of Maharashtra.

Prevention of Urban Flooding

• Mumbai and Uran Regions: Unplanned reclamation of coastal wetlands and mangrove buffers has severely reduced the natural water-retaining capacity of these areas, causing recurrent urban floods during monsoon high tides.
• Sponge Effect: Preserved wetlands act as natural sponges that absorb excess surface runoff, regulate microclimates, and recharge local groundwater aquifers.

Mitigation of Environmental Threats

• Encroachment Control: Clear legal boundaries stop illegal debris dumping, land leveling, and real estate construction on low-lying floodplains.
• Pollution Mapping: Ground-truthing identifies active sources of untreated industrial effluents and domestic sewage entry, enabling targeted ecological restoration plans.

Institutional Framework of NCSCM

The National Centre for Sustainable Coastal Management is a premier research institution dedicated to coastal and marine environmental management.

Mandate and Functions

• Scientific Advice: Provides research support to the Central Government, State Governments, and Union Territory administrations on Coastal Regulation Zone (CRZ) implementation.
• Integrated Coastal Zone Management: Develops scientifically sound blueprints for managing island ecosystems, coastal wetlands, and marine protected areas.
• Capacity Building: Trains state coastal zone management authorities in advanced geospatial mapping, satellite data analysis, and ecological monitoring.

Core Research Divisions

• Coastal Environmental Impact Assessment: Monitors pollution loads and assesses the impact of industrial infrastructure on coastal habitats.
• Geospatial Sciences: Generates high-resolution maps of High Tide Lines, Low Tide Lines, and Ecologically Sensitive Areas (ESA) across India’s coastline.
• Socio-Economics: Studies the dependence of traditional coastal communities and fishers on coastal resources to promote sustainable livelihood models.

Operational Comparison of Coastal Mapping Entities

The following table outlines the distinct responsibilities of key organisations involved in mapping and managing India’s coastal and wetland ecosystems.

IASPOINT Booster Facts for UPSC

• NCSCM Location: The headquarters of the National Centre for Sustainable Coastal Management is located inside the Anna University Campus in Chennai, Tamil Nadu.
• Wetlands Rules, 2017: These rules do not apply to river channels, paddy fields, man-made water bodies built specifically for drinking water, aquaculture, salt pans, or irrigation structures.
• Definition of Wetland: Under the 2017 Rules, a wetland is defined as an area of marsh, fen, peatland, or water, whether natural or artificial, permanent or temporary, with water that is static or flowing, fresh, brackish, or salt, including areas of marine water the depth of which at low tide does not exceed six metres.
• Ramsar Convention: An international treaty for the conservation and sustainable use of wetlands, signed in 1971 in Ramsar, Iran. India is a party to this convention and currently hosts numerous Ramsar Sites of international importance.
• Montreux Record: A register of wetland sites on the List of Wetlands of International Importance where changes in ecological character have occurred, are occurring, or are likely to occur as a result of technological developments, pollution, or other human interference. Currently, Keoladeo National Park (Rajasthan) and Loktak Lake (Manipur) from India are on this list.