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ATLAS REPORT

Mangrove ecosystem report: Liberia

Generated 15 October 2026, 05:01 from live Atlas data

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Executive summary

Atlas holds 139,661 mapped features and 37,971 observations in 27 datasets. The mapped mangrove canopy covers 20,124 ha in 5,140 polygons across 1 formation classes; Mangrove dominates with 100.0% of the area. The median patch is only 0.178 ha, while patches of 10 ha or more hold 87.4% 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

FormationPolygonsArea (ha)ShareMean patch (ha)
Mangrove5,14020,124.1100.0%3.92
Shannon evenness by area: 0.00

Fragmentation & landscape metrics

Patches
5,140
Mean / median / largest
3.92 / 0.178 / 2,038.5 ha
Effective mesh size
517.8 ha
Largest patch index
10.1%
Power-law exponent α
1.60

Spatial clustering

Global Moran’s I = -0.088 (z = -1.5, p = 0.123). Hot-spot cells (Gi*, ≥95%): 1; cold-spot cells: 2.

Top hot-spot cellPolygonsArea (ha)Gi* z
6.75, -11.4325102.52
5, -95431.66
6.75, -11.35771211.60
6.2, -10.5441281.59
4.95, -92551.46
5.95, -10.05821.44

Methods & limits

Areas and lengths are recomputed on the WGS 84 ellipsoid; units are harmonised (ha, m, %, UTC). The mapping is a single 2019 epoch; the source publishes no licence; field plots are a sample; scenario figures are illustrative assumptions. Cite the original publishers listed above. Full methods: Methodologies page.
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