Atlas · São Tomé and Principe
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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
| Formation | Polygons | Area (ha) | Share | Mean patch (ha) |
|---|---|---|---|---|
| Mangrove | 14 | 64.4 | 100.0% | 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.