Full scientific report: Eritrea
Generated 13 November 2026, 03:58 from live Atlas data
Executive summary
Atlas holds 100,798 mapped features and 37,971 observations in 26 datasets. The mapped mangrove canopy covers 7,208 ha in 1,166 polygons across 1 formation classes; Mangrove dominates with 100.0% of the area. The median patch is only 0.259 ha, while patches of 10 ha or more hold 86.6% 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 | 1,166 | 7,207.8 | 100.0% | 6.18 |
Fragmentation & landscape metrics
- Patches
- 1,166
- Mean / median / largest
- 6.18 / 0.259 / 305.9 ha
- Effective mesh size
- 106.6 ha
- Largest patch index
- 4.2%
- Power-law exponent α
- 1.53
Spatial clustering
Global Moran’s I = 0.140 (z = 2.1, p = 0.036). Hot-spot cells (Gi*, ≥95%): 12; cold-spot cells: 0.
| Top hot-spot cell | Polygons | Area (ha) | Gi* z |
|---|---|---|---|
| 12.95, 42.9 | 30 | 200 | 3.37 |
| 12.9, 42.9 | 17 | 266 | 2.99 |
| 14.85, 40.65 | 12 | 180 | 2.68 |
| 12.9, 42.85 | 16 | 65 | 2.66 |
| 12.95, 42.95 | 1 | 30 | 2.53 |
| 12.9, 42.95 | 42 | 249 | 2.40 |
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, Eritrea | 1,126 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 1996, Eritrea | 1,235 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2007, Eritrea | 1,959 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2010, Eritrea | 1,448 | 0 | 100 |
| Global Mangrove Watch: mangrove extent 2015, Eritrea | 1,320 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2025, Eritrea | 1,351 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2020, Eritrea | 1,166 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2015, Eritrea | 1,074 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2010, Eritrea | 913 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2005, Eritrea | 919 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 2000, Eritrea | 886 | 0 | 100 |
| Global Mangrove Watch v4.1: mangrove extent 1996, Eritrea | 820 | 0 | 100 |
| Fibre Cable Landing Stations | 126 | 0 | 95 |
| Rivers | 228 | 0 | 95 |
| Power Plants (Power output MW) | 642 | 0 | 95 |
| AfricaPriority_River | 857 | 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 |
| Divisions | 17,649 | 9 | 95 |
| Irrigated Areas | 23,095 | 1 | 95 |
| Agro-Ecological Zones | 25,791 | 17 | 95 |
| Carbon projects: Eritrea | 43 | 0 | 90 |
| Seagrass (UNEP-WCMC): Eritrea | 41 | 0 | 90 |
| Community and nature projects (UNDP): Eritrea | 7 | 0 | 90 |
Recommendations
Datasets & sources
| Dataset | Publisher | Features |
|---|---|---|
| Global Mangrove Watch: mangrove extent 2020, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 1,126 |
| Global Mangrove Watch: mangrove extent 1996, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 1,235 |
| Global Mangrove Watch: mangrove extent 2007, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 1,959 |
| Global Mangrove Watch: mangrove extent 2010, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 1,448 |
| Global Mangrove Watch: mangrove extent 2015, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 1,320 |
| Global Mangrove Watch v4.1: mangrove extent 2025, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 1,351 |
| Global Mangrove Watch v4.1: mangrove extent 2020, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 1,166 |
| Global Mangrove Watch v4.1: mangrove extent 2015, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 1,074 |
| Global Mangrove Watch v4.1: mangrove extent 2010, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 913 |
| Global Mangrove Watch v4.1: mangrove extent 2005, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 919 |
| Global Mangrove Watch v4.1: mangrove extent 2000, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 886 |
| Global Mangrove Watch v4.1: mangrove extent 1996, Eritrea | Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) | 820 |
| Fibre Cable Landing Stations | WWF Kenya | 126 |
| Rivers | WWF Kenya | 228 |
| Power Plants (Power output MW) | WWF Kenya | 642 |
| AfricaPriority_River | WWF Kenya | 857 |
| 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 |
| Divisions | WWF Kenya | 17,649 |
| Irrigated Areas | WWF Kenya | 23,095 |
| Agro-Ecological Zones | WWF Kenya | 25,791 |
| Carbon projects: Eritrea | Berkeley Carbon Trading Project, University of California, Berkeley | 43 |
| Seagrass (UNEP-WCMC): Eritrea | UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT | 41 |
| Community and nature projects (UNDP): Eritrea | United Nations Development Programme (UNDP) | 7 |