Seagrass
Seagrass Restoration in Odisha
Seagrass meadows are among the most productive coastal ecosystems, often called blue carbon ecosystem for their exceptional ability to capture and store carbon. In Odisha, particularly within the Chilika Lagoon, these ecosystems play a vital role in carbon sequestration, fisheries support, shoreline stabilization and biodiversity conservation.
Under the ECRICC initiative, Odisha is undertaking a scientifically-led restoration of 85 hectares of Seagrass habitat. The initiative combines advanced spatial mapping, field-based restoration, institutional coordination, and strong community participation to secure long-term ecological and livelihood benefits.
IIT Bhubaneswar serves as the Technical Support Agency for the project (2025–2027), providing scientific leadership, restoration and plantation of seagrass, implementation guidance, and capacity strengthening support.
Key Activities
Baseline Assessment
Remote sensing and GIS-based mapping using high-resolution satellite imagery, supported by drone surveys, ROVs, drop cameras, SCUBA surveys and field validation to establish a robust Seagrass baseline for Chilika Lagoon.
Technical Coordination & Planning
Formal institutional collaboration through a signed MoU in January 2025 and inception consultations, supported by a Technical Advisory Committee to guide planning, implementation, and long-term conservation.
Scientific Review & Knowledge Gap Analysis
Comprehensive review of 215 research studies to assess the status of seagrass ecosystems in Odisha, identify critical knowledge gaps, and inform restoration design and management strategies.
Nursery Establishment
Development of in-situ underwater nurseries and ex-situ aquarium-based nurseries in stable but degraded locations across Chilika Lagoon to support large-scale restoration.
Pilot Restoration & Field Implementation
Pilot restoration trials using full-scale methods, including site preparation, transplanting and environmental sampling.
Monitoring, Evaluation & Capacity Building
Standardized monitoring protocols for assessing restoration success, carbon sequestration potential, and ecosystem resilience, supported by structured training programs for officials and project staff.
Community Engagement & FPIC
Free, Prior, and Informed Consent (FPIC) processes, sensitization meetings, and inclusion of women and marginalized groups to ensure community participation.
Benefits of Seagrass Restoration
Ecological Benefits
Enhances marine biodiversity by providing habitat and nursery grounds for fish, stabilizing sediments, and improving water quality.
Climate Benefits
Acts as a powerful blue carbon sink, sequestering carbon long-term and contributing to climate commitments and resilience goals.
Socio-Economic & Community Benefits
Strengthens fishery productivity and livelihoods while reducing coastal risks and supporting sustainable eco-tourism.
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