01 · The problem
What is happening
Mangrove forests line Mumbai's creeks, including Thane Creek, and provide flood buffering, nursery habitat for fish and roosting and feeding areas for birds, including migratory flamingos. Historic land reclamation and infrastructure development reduced mangrove extent. Court orders and state protection have since restricted clearing, and Maharashtra established a dedicated mangrove conservation unit. Pressures remain from infrastructure projects, dumping of debris and waste, and pollution from untreated sewage.
Moderate severity. Material effects on people or ecosystems; actively managed. Severity is descriptive editorial metadata summarising documented effects. It is not a measured index or a score.
02 · Causes
Why it is happening
- 01
Land reclamation
Filling of intertidal land for housing, roads and industry removed mangrove habitat.
- 02
Debris dumping and encroachment
Construction debris and waste are dumped into mangrove areas, smothering roots.
- 03
Water pollution
Untreated sewage and industrial effluent degrade creek water quality.
03 · Impacts
Who and what it affects
- 01
Reduced flood buffering
Loss of mangroves removes a natural barrier that slows tidal water and stores floodwater.
- 02
Habitat loss
Fish nurseries and bird habitats shrink, affecting biodiversity and small-scale fisheries.
- 03
Loss of carbon storage
Mangrove soils store significant amounts of carbon, which can be released when they are cleared.
04 · Solutions
Documented approaches
Legal protection of mangrove land
Court-mandated protection and transfer of mangrove land to the forest department.
Expected effectSlows or halts clearing where enforcement is effective.
Mangrove restoration and monitoring
Replanting, debris removal and satellite monitoring by the state mangrove unit.
Expected effectRecovers habitat and flood-buffering capacity over time.
Protected sanctuaries
The Thane Creek Flamingo Sanctuary protects a significant area of creek habitat.
Expected effectSecures biodiversity and supports public awareness and ecotourism.
05 · Key indicators
What can be measured
No reliable quantitative indicator is included for this issue. TerraLens shows figures only where a credible source supports them — consult the sources below for current data.
06 · Sources
Where this comes from
- [1]Mangrove Cell, Maharashtra Forest DepartmentGovernment of Maharashtramangroves.maharashtra.gov.in(opens in a new tab)
- [2]Mangroves: Ocean and climateInternational Union for Conservation of Natureiucn.org(opens in a new tab)
Links open the publishing organisation's site. Some point to the publisher's main page, where the named report or dataset can be found.