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ATLAS REPORT

Mangrove ecosystem report: Benin

Generated 15 October 2026, 09:19 from live Atlas data

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Executive summary

Atlas holds 71,153 mapped features and 37,971 observations in 23 datasets. The mapped mangrove canopy covers 2,198 ha in 1,115 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 68.8% 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)
Mangrove1,1152,198.4100.0%1.97
Shannon evenness by area: 0.00

Fragmentation & landscape metrics

Patches
1,115
Mean / median / largest
1.97 / 0.178 / 808.6 ha
Effective mesh size
319.3 ha
Largest patch index
36.8%
Power-law exponent α
1.80

Spatial clustering

Global Moran’s I = 0.379 (z = 3.2, p = 0.001). Hot-spot cells (Gi*, ≥95%): 4; cold-spot cells: 6.

Top hot-spot cellPolygonsArea (ha)Gi* z
6.35, 1.9524182.70
6.3, 1.952663742.41
6.25, 1.923152.19
6.3, 1.92249642.03
6.3, 2.0588551.89
6.3, 2812241.85

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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