The Sundarbans occupy a unique position in Bangladesh’s ecological, climatic, and socio-economic landscape.
As the world’s largest mangrove forest, it provides critical ecosystem services, including cyclone and storm-surge protection, carbon sequestration, sediment stabilization, habitat support, and nursery functions for diverse aquatic and terrestrial species.
For the coastal communities of southwest Bangladesh, however, the Sundarbans is not only an ecological asset. It is also a source of livelihood, cultural identity, and everyday resilience.
Climate change, livelihood vulnerability, fragmented governance, informal economic exploitation, and unequal access to resources are interacting in ways that weaken both biodiversity and community resilience.
Sea-level rise, saline intrusion, recurrent cyclones, tidal flooding, and declining ecosystem productivity are affecting fish availability, agricultural viability, freshwater access, and traditional livelihood systems.
As these pressures intensify, many households become more reliant on the remaining forest resources for subsistence and income.
This creates a self-reinforcing cycle: Reduced ecosystem productivity weakens household income, lower income increases dependence on extractive resource use, and increased extraction further intensifies pressure on the ecosystem.
Conservation policies that do not address this feedback loop may restrict forest access, but they are unlikely to reduce the underlying drivers of ecological stress.
Governance remains a critical part of this challenge Seasonal restrictions on forest and aquatic resource extraction may be ecologically necessary, particularly during breeding and regeneration periods. However, their effectiveness depends on how these restrictions are designed, communicated, coordinated, and implemented.
In the Sundarbans, overlapping institutional authority, weak interagency coordination, inconsistent enforcement, and limited engagement with forest-dependent communities often weaken the legitimacy of conservation measures.
When restrictions are poorly communicated or inconsistently applied, affected communities may perceive them as arbitrary rather than scientifically justified.
This has practical consequences. Conservation outcomes depend not only on formal rules, but also on public trust, institutional credibility, and voluntary compliance.
In a complex situation marked by poverty, climate shocks, and limited livelihood alternatives, rules that lack legitimacy become difficult to sustain.
The political economy of forest access further complicates conservation.
Forest-dependent households often face informal payments, brokerage costs, and unequal trading arrangements in accessing and using forest resources.
These costs reduce already fragile incomes and can alter harvesting behaviour.
When resource users incur high unofficial costs before, during, or after forest entry, they may be compelled to increase extraction simply to recover those costs.
Informal economic pressures therefore have direct ecological implications.
Debt dependency
Many fishers, crab collectors, honey collectors, and other resource users depend on informal credit systems such as dadon. While these systems provide immediate liquidity, they often bind borrowers to unfavorable selling conditions, suppressed prices, and unequal market relationships.
During restricted periods, when compensation or food assistance is delayed, inadequate, or unevenly distributed, households may rely even more heavily on such credit arrangements.
This dependence may also be compounded by the risks posed by forest bandits, including coercive payments, threats to personal safety, and additional costs associated with navigating unauthorized entry and enforcement pressures.
Together, these pressures create a socio-ecological trap. Poverty increases dependence on informal credit; debt obligations, forest-bandit-related risks, and other coercive livelihood costs push households toward greater extraction; over-extraction contributes to ecological decline; and ecological decline further reduces income and deepens future dependence on credit.
Effective biodiversity conservation therefore requires addressing the economic and institutional drivers of ecological pressure, particularly exploitative credit systems, unequal market access, weak accountability, and inadequate livelihood protection.
If forest-dependent communities are treated primarily as subjects of control rather than as stakeholders in ecological stewardship, conservation will remain socially fragile and institutionally limited.
Protecting the Sundarbans requires more than monitoring, patrolling, and restricting access. It requires reducing the conditions that make unsustainable resource extraction a rational survival strategy for vulnerable households.
Bangladesh should begin by investing in sustainable and dignified livelihood alternatives that can reduce pressure on forest resources.
Value-added processing of honey, fish, crab, and other non-timber forest products can increase local income without necessarily increasing extraction.
Community-based ecotourism, if designed with ecological safeguards, can diversify income opportunities. Small enterprises linked to mangrove-compatible livelihoods can also support household resilience.
These initiatives must be supported by accessible low-interest finance that reduces dependence on exploitative dadon arrangements.
From policy language to daily practice
Digitized pass systems, transparent fee structures, accountable monitoring, and stronger coordination among relevant agencies can reduce informal payments and strengthen institutional credibility.
Restrictions should be communicated clearly, in advance, and in locally understandable terms. Affected households should know why restrictions are imposed, what support they are entitled to, and how implementation decisions are made.
Local institutions should be strengthened as part of conservation governance. Village conservation forums, cooperatives, and resource-user groups can contribute to monitoring, awareness-building, conflict resolution, and participatory resource management.
However, these institutions must be inclusive, representative, and sufficiently supported. Without safeguards against elite capture, community-based conservation risks reproducing existing inequalities.
The potential of tourism and economic development Ecotourism can support local livelihoods and public appreciation of biodiversity, but poorly planned infrastructure and excessive visitor pressure may undermine mangrove regeneration and disturb wildlife habitats.
A low-impact, community-centered tourism model should therefore be prioritized over forms of development that compromise ecological stability.
For Bangladesh, safeguarding the Sundarbans is both an ecological necessity and a policy responsibility. The forest protects coastal communities, supports biodiversity, stores carbon, and strengthens national climate resilience.
Its continued degradation would represent not only an environmental loss, but also a failure of governance, development planning, and social protection.
A sustainable future for the Sundarbans requires a conservation framework that links ecological protection with accountable governance, fair finance, and livelihood security for forest-dependent communities.
Acting locally in the Sundarbans can generate global impact, but only if conservation policy moves beyond restriction-based management and addresses the institutional and economic conditions that continue to exert pressure on the forest.
Tanje-Un-Jenat is Senior Officer, Research and Advocacy, Center for Participatory Research and Development. Md Shamsuddoha is Chief Executive, Center for Participatory Research and Development.