evidoria

← Back to browse

Good practice Imported

Sri Lanka's National Mangrove Regeneration — From Seacology-Sudeesa Microfinance to a UN World Restoration Flagship

Sri Lanka · Mannar · See the Sri Lanka profile

Evidence: Quasi-experimental Top 58% 40/100 · Ask Evidence Copilot about this practice

NGOs Seacology and Sudeesa used microloans to protect 8,815 ha and replant 3,885 ha of Sri Lankan mangroves by 2020, scaling into a national programme UN-recognised in 2024. A 2024 de-gazetting at Vidattaltivu, reversed only after a court challenge, exposed real enforcement gaps.

8,815 hectares
Mangrove forest protected (by project close, 2020)
3,885 hectares
Degraded mangrove replanted (by project close, 2020)
775,000+ seedlings
Seedlings grown in community nurseries (through 2020)
12,000 women
Women receiving livelihood training and microloans (across 1,500 communities, 2015–2020)
10,000 hectares
National mangrove-cover expansion target (by 2030)
400 hectares
Protected area de-gazetted for aquaculture (2024, reversed 2025) (2024–2025)
Sri Lanka's National Mangrove Regeneration — From Seacology-Sudeesa Microfinance to a UN World Restoration Flagship

Details

Maturity
Scaling
Promoter
Sudeesa (Small Fishers Federation of Lanka); Seacology; Sri Lanka Department of Wildlife Conservation
Period
2015-2030
Keywords
mangroves, blue carbon, coastal fisheries, community microfinance

Context

Starting in 2015, US NGO Seacology and Sri Lankan NGO Sudeesa built a microfinance model around Sri Lanka's mangrove forests: in exchange for protecting an average of 21 acres of mangrove per community, roughly 12,000 women in 1,500 coastal communities received livelihood training and microloans, repaid through 1,500 newly formed Community Beneficiary Organisations.

Activities

The initial project, funded at US$3.4 million growing to over $4 million, ran community nurseries that grew more than 775,000 seedlings and by its 2020 close had helped protect all 8,815 hectares of Sri Lanka's then-existing mangrove forest and replant 3,885 hectares of degraded mangrove.

Results

The model was absorbed into a national mangrove-regeneration effort the UN named a 2024 World Restoration Flagship, targeting a 50%+ expansion of mangrove cover to 10,000 hectares by 2030. Independent academic research on community-led sites in northern Sri Lanka found measurably higher mangrove density and higher fish catch per boat in restored areas than in unrestored ones. Governance gaps remain real: in 2024 the environment minister de-gazetted about 400 hectares of the protected Vidattaltivu Nature Reserve for an aquaculture farm, reversed only in 2025 after a successful legal challenge by two civil-society organisations.

Conclusions

A genuinely scaled, internationally recognised restoration model with independently verified ecological benefits at some sites, but the 2024 de-gazetting episode shows formal protection (covering only ~60% of the country's mangroves) and enforcement remain fragile.

Implementation
Indicative cost
Medium (€50k–€500k) — Initial Seacology/Sudeesa project budget of US$3.4 million, growing to over US$4 million (2015–2020); national scale-up funding not itemised in sources.
Time to results
Long (> 3 years) — NGO-led phase 2015–2020; absorbed into a national programme targeting 10,000 ha by 2030, with UN World Restoration Flagship status granted in 2024.
Staffing & skills
Seacology (US NGO), Sudeesa / Small Fishers Federation of Lanka, Sri Lanka Department of Wildlife Conservation, 1,500 Community Beneficiary Organisations

Conditions for success

  • Microloans conditioned on measurable protection commitments (avg. 21 acres/community)
  • Community-run nurseries providing local seedling supply
  • Absorption into a national programme with UN Decade recognition and funding eligibility

Common failure modes

  • Only ~60% of the country's mangroves carry formal legal protection
  • 2024 de-gazetting of a protected reserve for aquaculture, reversed only after litigation
  • Enforcement capacity described as thin outside the NGO-led project areas

Commonly funded by

Philanthropic / foundation funding

Indicative funding routes for practices of this type — always check each programme's current calls and eligibility rules.

Do you run this practice? Claim it — verified implementers get a public contact pathway and can propose corrections.

Data sources

Where this practice's information was retrieved from, and when.

Attachments

Similar practices you may find useful