Full scientific report: Senegal
Generated 13 November 2026, 03:00 from live Atlas data
Executive summary
Atlas holds 195,557 mapped features and 37,971 observations in 28 datasets. The mapped mangrove canopy covers 151,840 ha in 10,419 polygons across 1 formation classes; Mangrove dominates with 100.0% of the area. The median patch is only 0.175 ha, while patches of 10 ha or more hold 96.2% of the area. 0 ha (0.0%) lies within 10 km of the LAPSSET development footprint.
Single mapping epoch (2019). Areas are geodesic hectares recalculated from geometry.
Species & formations
| Formation | Polygons | Area (ha) | Share | Mean patch (ha) |
|---|---|---|---|---|
| Mangrove | 10,419 | 151,840.1 | 100.0% | 14.57 |
Fragmentation & landscape metrics
- Patches
- 10,419
- Mean / median / largest
- 14.57 / 0.175 / 6,776.4 ha
- Effective mesh size
- 2,138.0 ha
- Largest patch index
- 4.5%
- Power-law exponent α
- 1.55
Spatial clustering
Global Moran’s I = 0.298 (z = 8.0, p < 0.001). Hot-spot cells (Gi*, ≥95%): 34; cold-spot cells: 24.
| Top hot-spot cell | Polygons | Area (ha) | Gi* z |
|---|---|---|---|
| 12.75, -16.65 | 34 | 678 | 3.49 |
| 12.8, -16.65 | 111 | 1,168 | 3.04 |
| 14, -16.6 | 33 | 579 | 3.04 |
| 12.8, -16.7 | 11 | 1,292 | 2.94 |
| 12.7, -16.65 | 34 | 343 | 2.91 |
| 12.7, -16.7 | 12 | 1,960 | 2.86 |
Pressure: LAPSSET and villages
Mangrove ha by distance from LAPSSET
Mangrove ha by distance from villages
Data quality
| Dataset | Features | Repaired | Score |
|---|---|---|---|
| Global Mangrove Watch: mangrove extent 2020, Senegal | 6,076 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 1996, Senegal | 8,104 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2007, Senegal | 6,295 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2010, Senegal | 5,950 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2015, Senegal | 6,063 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2025, Senegal | 10,341 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2020, Senegal | 10,419 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2015, Senegal | 10,501 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2010, Senegal | 8,647 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2005, Senegal | 9,071 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2000, Senegal | 9,169 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 1996, Senegal | 9,410 | 0 | 100 |
| Large airport | 23 | 0 | 95 |
| Fibre Cable | 72 | 0 | 95 |
| Fibre Cable Landing Stations | 126 | 0 | 95 |
| Rivers | 228 | 0 | 95 |
| Power Plants (Power output MW) | 642 | 0 | 95 |
| Small airport | 1,979 | 0 | 95 |
| Dams | 2,586 | 0 | 95 |
| Districts | 6,099 | 13 | 95 |
| World Database on Protected Areas | 7,438 | 1 | 95 |
| Electricity Transmission Network | 9,759 | 0 | 95 |
| Divisions | 17,649 | 9 | 95 |
| Irrigated Areas | 23,095 | 1 | 95 |
| Agro-Ecological Zones | 25,791 | 17 | 95 |
| Carbon projects: Senegal | 4 | 0 | 90 |
| Seagrass (UNEP-WCMC): Senegal | 5 | 0 | 90 |
| Community and nature projects (UNDP): Senegal | 15 | 0 | 90 |
Recommendations
Datasets & sources
| Dataset | Publisher | Features |
|---|---|---|
| Global Mangrove Watch: mangrove extent 2020, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 6,076 |
| Global Mangrove Watch: mangrove extent 1996, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 8,104 |
| Global Mangrove Watch: mangrove extent 2007, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 6,295 |
| Global Mangrove Watch: mangrove extent 2010, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 5,950 |
| Global Mangrove Watch: mangrove extent 2015, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 6,063 |
| Global Mangrove Watch v4.1: mangrove extent 2025, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 10,341 |
| Global Mangrove Watch v4.1: mangrove extent 2020, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 10,419 |
| Global Mangrove Watch v4.1: mangrove extent 2015, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 10,501 |
| Global Mangrove Watch v4.1: mangrove extent 2010, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 8,647 |
| Global Mangrove Watch v4.1: mangrove extent 2005, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 9,071 |
| Global Mangrove Watch v4.1: mangrove extent 2000, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 9,169 |
| Global Mangrove Watch v4.1: mangrove extent 1996, Senegal | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 9,410 |
| Large airport | WWF Kenya | 23 |
| Fibre Cable | WWF Kenya | 72 |
| Fibre Cable Landing Stations | WWF Kenya | 126 |
| Rivers | WWF Kenya | 228 |
| Power Plants (Power output MW) | WWF Kenya | 642 |
| Small airport | WWF Kenya | 1,979 |
| Dams | WWF Kenya | 2,586 |
| Districts | WWF Kenya | 6,099 |
| World Database on Protected Areas | WWF Kenya | 7,438 |
| Electricity Transmission Network | WWF Kenya | 9,759 |
| Divisions | WWF Kenya | 17,649 |
| Irrigated Areas | WWF Kenya | 23,095 |
| Agro-Ecological Zones | WWF Kenya | 25,791 |
| Carbon projects: Senegal | Berkeley Carbon Trading Project, University of California, Berkeley | 4 |
| Seagrass (UNEP-WCMC): Senegal | UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT | 5 |
| Community and nature projects (UNDP): Senegal | United Nations Development Programme (UNDP) | 15 |