Full scientific report: Comoros
Generated 13 November 2026, 03:19 from live Atlas data
Executive summary
Atlas holds 58,931 mapped features and 38,022 observations in 23 datasets. The mapped mangrove canopy covers 126 ha in 53 polygons across 1 formation classes; Mangrove dominates with 100.0% of the area. The median patch is only 0.961 ha, while patches of 10 ha or more hold 25.8% 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 | 53 | 126.1 | 100.0% | 2.38 |
Fragmentation & landscape metrics
- Patches
- 53
- Mean / median / largest
- 2.38 / 0.961 / 21.5 ha
- Effective mesh size
- 7.8 ha
- Largest patch index
- 17.0%
- Power-law exponent α
- 1.82
Spatial clustering
Global Moran’s I = 0.239 (z = 1.2, p = 0.242). Hot-spot cells (Gi*, ≥95%): 1; cold-spot cells: 0.
| Top hot-spot cell | Polygons | Area (ha) | Gi* z |
|---|---|---|---|
| -12.4, 43.7 | 13 | 49 | 2.37 |
| -12.35, 43.65 | 4 | 14 | 1.41 |
| -12.4, 43.65 | 2 | 6 | 1.41 |
| -12.4, 43.75 | 1 | 6 | 1.38 |
| -12.2, 44.2 | 7 | 21 | 0.88 |
| -12.25, 44.25 | 1 | 3 | 0.88 |
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, Comoros | 16 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 1996, Comoros | 18 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2007, Comoros | 16 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2010, Comoros | 17 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2015, Comoros | 16 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2025, Comoros | 57 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2020, Comoros | 53 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2015, Comoros | 49 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2010, Comoros | 53 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2005, Comoros | 47 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2000, Comoros | 46 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 1996, Comoros | 42 | 0 | 100 |
| NMC | 1 | 0 | 95 |
| polygons | 11 | 0 | 95 |
| Exclusive Economic Zones (EEZ) | 51 | 0 | 95 |
| Fibre Cable Landing Stations | 126 | 0 | 95 |
| Small airport | 1,979 | 0 | 95 |
| World Database on Protected Areas | 7,438 | 1 | 95 |
| Irrigated Areas | 23,095 | 1 | 95 |
| Agro-Ecological Zones | 25,791 | 17 | 95 |
| Carbon projects: Comoros | 1 | 0 | 90 |
| Seagrass (UNEP-WCMC): Comoros | 1 | 0 | 90 |
| Community and nature projects (UNDP): Comoros | 7 | 0 | 90 |
Recommendations
Datasets & sources
| Dataset | Publisher | Features |
|---|---|---|
| Global Mangrove Watch: mangrove extent 2020, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 16 |
| Global Mangrove Watch: mangrove extent 1996, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 18 |
| Global Mangrove Watch: mangrove extent 2007, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 16 |
| Global Mangrove Watch: mangrove extent 2010, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 17 |
| Global Mangrove Watch: mangrove extent 2015, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 16 |
| Global Mangrove Watch v4.1: mangrove extent 2025, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 57 |
| Global Mangrove Watch v4.1: mangrove extent 2020, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 53 |
| Global Mangrove Watch v4.1: mangrove extent 2015, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 49 |
| Global Mangrove Watch v4.1: mangrove extent 2010, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 53 |
| Global Mangrove Watch v4.1: mangrove extent 2005, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 47 |
| Global Mangrove Watch v4.1: mangrove extent 2000, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 46 |
| Global Mangrove Watch v4.1: mangrove extent 1996, Comoros | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 42 |
| NMC | WWF Kenya | 1 |
| polygons | WWF Kenya | 11 |
| Exclusive Economic Zones (EEZ) | WWF Kenya | 51 |
| Fibre Cable Landing Stations | WWF Kenya | 126 |
| Small airport | WWF Kenya | 1,979 |
| World Database on Protected Areas | WWF Kenya | 7,438 |
| Irrigated Areas | WWF Kenya | 23,095 |
| Agro-Ecological Zones | WWF Kenya | 25,791 |
| Carbon projects: Comoros | Berkeley Carbon Trading Project, University of California, Berkeley | 1 |
| Seagrass (UNEP-WCMC): Comoros | UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT | 1 |
| Community and nature projects (UNDP): Comoros | United Nations Development Programme (UNDP) | 7 |