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ATLAS REPORT

Mangrove ecosystem report: Equatorial Guinea

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

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Executive summary

Atlas holds 257,783 mapped features and 270,602 observations in 25 datasets. The mapped mangrove canopy covers 26,561 ha in 1,594 polygons across 1 formation classes; Mangrove dominates with 100.0% of the area. The median patch is only 0.179 ha, while patches of 10 ha or more hold 96.8% 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

FormationPolygonsArea (ha)ShareMean patch (ha)
Mangrove1,59426,561.1100.0%16.66
Shannon evenness by area: 0.00

Fragmentation & landscape metrics

Patches
1,594
Mean / median / largest
16.66 / 0.179 / 3,435.4 ha
Effective mesh size
1,378.4 ha
Largest patch index
12.9%
Power-law exponent α
1.49

Spatial clustering

Global Moran’s I = 0.024 (z = 0.5, p = 0.620). Hot-spot cells (Gi*, ≥95%): 3; cold-spot cells: 0.

Top hot-spot cellPolygonsArea (ha)Gi* z
1.1, 9.65151,1122.09
1.15, 9.651122.07
1.1, 9.762,3762.01
1.05, 9.65392741.96
1.15, 9.75346281.94
1.2, 9.7535451.92

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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