Nature and climate intelligence, from the data to the decision
84,775 mapped features and 37,971 observations from 21 datasets, harmonised to one set of units, with every number traceable to its source.
Explore Atlas by theme
Mangroves are where Atlas starts. The same platform holds the pressures, places and projects around them for The Gambia.
The seascape at a glance
Live from Atlas’ own databaseMangrove formations map
Pan and zoom; click a polygon for its area and source
Area by formation
Share of mapped hectares
Landscape science
Computed, reproducible measures (see Methodologies)Fragmentation
How broken up is the canopy?
- Patches
- 3,090
- Median / mean patch
- 0.174 / 22.91 ha
- Effective mesh size
- 2,866.7 ha
- Largest patch index
- 14.5% of area
- Patch-size exponent α
- 1.49
Spatial clustering
Moran’s I and Getis-Ord Gi* on a 5 km grid
Mangrove area is not significantly clustered. 13 hot-spot and 6 cold-spot cells.
Spatial analysisThemes
Where Atlas has data, and where it is still emptyWhat the analysis says
Top recommendations from the intelligence engineAsk the analyst
Plain-English questions, answered with real calculations
Datasets in Atlas
21 datasets from 5 sources — grouped by where they come fromGlobal Mangrove Watch v3.0
Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) · 5 datasets · 12,654 features
| Global Mangrove Watch: mangrove extent 2020, The Gambia Mangroves · v1 |
2,294 features | |
| Global Mangrove Watch: mangrove extent 1996, The Gambia Mangroves · v1 |
3,363 features | |
| Global Mangrove Watch: mangrove extent 2007, The Gambia Mangroves · v1 |
2,516 features | |
| Global Mangrove Watch: mangrove extent 2010, The Gambia Mangroves · v1 |
2,002 features | |
| Global Mangrove Watch: mangrove extent 2015, The Gambia Mangroves · v1 |
2,479 features |
Global Mangrove Watch v4.1
Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) · 7 datasets · 22,362 features
| Global Mangrove Watch v4.1: mangrove extent 2025, The Gambia Mangroves · v1 |
3,254 features | |
| Global Mangrove Watch v4.1: mangrove extent 2020, The Gambia Mangroves · v1 |
3,090 features | |
| Global Mangrove Watch v4.1: mangrove extent 2015, The Gambia Mangroves · v1 |
3,063 features | |
| Global Mangrove Watch v4.1: mangrove extent 2010, The Gambia Mangroves · v1 |
2,942 features | |
| Global Mangrove Watch v4.1: mangrove extent 2005, The Gambia Mangroves · v1 |
3,321 features | |
| Global Mangrove Watch v4.1: mangrove extent 2000, The Gambia Mangroves · v1 |
3,228 features | |
| Global Mangrove Watch v4.1: mangrove extent 1996, The Gambia Mangroves · v1 |
3,464 features |
WWF Kenya Sources: GIS Centre of Excellence
WWF Kenya · 7 datasets · 49,745 features
| Fibre Cable Landing Stations Roads, Rail & Infrastructure · v1 |
126 features | |
| Power Plants (Power output MW) Roads, Rail & Infrastructure · v1 |
642 features | |
| Dams Roads, Rail & Infrastructure · v1 |
2,586 features | |
| Districts Boundaries & Reference · v1 |
6,099 features | |
| World Database on Protected Areas Biodiversity · v1 |
7,438 features | |
| Electricity Transmission Network Roads, Rail & Infrastructure · v1 |
9,759 features | |
| Irrigated Areas Water & Catchments · v1 |
23,095 features |
UNEP-WCMC global seagrass and saltmarsh layers
UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT · 1 datasets · 2 features
| Salt marsh (UNEP-WCMC): The Gambia Salt Marsh · v1 |
2 features |
UNDP project data (IATI Registry)
United Nations Development Programme (UNDP) · 1 datasets · 12 features
| Community and nature projects (UNDP): The Gambia Community Projects · v1 |
12 features |
Data health
The ten lowest-scoring datasets and the local archiveQuality scorecard
Geometry, provenance, flags, duplicates, verification and licence
| Salt marsh (UNEP-WCMC): The Gambia | 90 | |
| Community and nature projects (UNDP): The Gambia | 90 | |
| Fibre Cable Landing Stations | 95 | |
| Power Plants (Power output MW) | 95 | |
| Dams | 95 | |
| Districts | 95 | |
| World Database on Protected Areas | 95 | |
| Electricity Transmission Network | 95 | |
| Irrigated Areas | 95 | |
| Global Mangrove Watch: mangrove extent 2020, The Gambia | 100 |
Local archive
Atlas runs from its own copy
- Last import
- 14 Oct 2026, 15:38
- Snapshots kept
- 1
- Units
- ha · m · % · UTC · WGS 84
- Sources online?
- Not needed. Atlas serves everything from its own database.