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ATLAS REPORT

Mangrove ecosystem report: São Tomé and Principe

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

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Executive summary

Atlas holds 62,754 mapped features and 38,022 observations in 20 datasets. The mapped mangrove canopy covers 64 ha in 14 polygons across 1 formation classes; Mangrove dominates with 100.0% of the area. The median patch is only 0.402 ha, while patches of 10 ha or more hold 76.0% 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)
Mangrove1464.4100.0%4.60
Shannon evenness by area: 0.00

Fragmentation & landscape metrics

Patches
14
Mean / median / largest
4.60 / 0.402 / 48.9 ha
Effective mesh size
37.9 ha
Largest patch index
76.0%
Power-law exponent α
1.58

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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