Atlas · Eritrea / Intelligence Centre
INTELLIGENCE CENTRE · ERITREA

Nature and climate intelligence, from the data to the decision

100,798 mapped features and 37,971 observations from 26 datasets, harmonised to one set of units, with every number traceable to its source.

Explore Atlas by theme

Mangroves are where Atlas starts. The same platform holds the pressures, places and projects around them for Eritrea.

All themes
Mapped mangrove
7,208 ha
1,166 polygons · 2020
Change since 1996
+795 ha
+12.2% net, 1996–2025
Datasets
26
100,798 features
Data quality score
97 / 100
55,235 geometries repaired
Provenance coverage
100,798
Records traceable to source

The seascape at a glance

Live from Atlas’ own database

Mangrove formations map

Pan and zoom; click a polygon for its area and source

Area by formation

Share of mapped hectares

Mangrove · 100.0%

Landscape science

Computed, reproducible measures (see Methodologies)

Fragmentation

How broken up is the canopy?

Patches
1,166
Median / mean patch
0.259 / 6.18 ha
Effective mesh size
106.6 ha
Largest patch index
4.2% of area
Patch-size exponent α
1.53
Species & formations

Spatial clustering

Moran’s I and Getis-Ord Gi* on a 5 km grid

Moran’s I
0.140
z-score
2.1

Mangrove area is significantly clustered. 12 hot-spot and 0 cold-spot cells.

Spatial analysis

Mangrove area by year

Global Mangrove Watch, hectares

Themes

Where Atlas has data, and where it is still empty

What the analysis says

Top recommendations from the intelligence engine
HighData_gap
12 of 9 themes have no data yet
Atlas holds no records for: Salt Marsh, Coastal Forests, Blue Carbon, Restoration Sites, Protected Areas & Landscapes, Land Use & Land Cover, People & Settlements, Wildli...
HighGovernance
Licence terms to be confirmed for 11 datasets
Licence terms are being confirmed with the publisher. Atlas holds the data for scientific and internal use and shows the original attribution, but cannot grant bulk redis...
MediumFragmentation
Most polygons are very small, but most area sits in large stands
33.5% of the 1,166 mapped polygons are under 0.1 ha, yet patches of 10 ha or more hold 86.6% of all mangrove area. Management and monitoring effort should focus on the la...
LowChange
Net gain of mangrove since 1996
Global Mangrove Watch maps 6,524 ha of mangrove in Eritrea in 1996 and 7,319 ha in 2025: a net gain of 795 ha (12.2%), about 27 ha per year. This is the net balance of to...
All recommendations

Ask the analyst

Plain-English questions, answered with real calculations

See how it works
Latest brief: 4 computed insights: 2 need attention, 1 are worth acting on. Read “Eritrea mangrove intelligence brief — 14 October 2026”

Datasets in Atlas

26 datasets from 6 sources — grouped by where they come from

Global Mangrove Watch v3.0

Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) · 5 datasets · 7,088 features

Global Mangrove Watch v4.1

Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) · 7 datasets · 7,129 features

WWF Kenya Sources: GIS Centre of Excellence

WWF Kenya · 11 datasets · 86,490 features

Fibre Cable Landing Stations
Roads, Rail & Infrastructure · v1
126
features
Rivers
Water & Catchments · v1
228
features
Power Plants (Power output MW)
Roads, Rail & Infrastructure · v1
642
features
AfricaPriority_River
Water & Catchments · v1
857
features
Small airport
Roads, Rail & Infrastructure · v1
1,979
features
Dams
Roads, Rail & Infrastructure · v1
2,586
features
Districts
Boundaries & Reference · v1
6,099
features
World Database on Protected Areas
Biodiversity · v1
7,438
features

Berkeley Voluntary Registry Offsets Database (v2026-08)

Berkeley Carbon Trading Project, University of California, Berkeley · 1 datasets · 43 features

Carbon projects: Eritrea
Carbon Projects · v1
43
features

UNEP-WCMC global seagrass and saltmarsh layers

UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT · 1 datasets · 41 features

Seagrass (UNEP-WCMC): Eritrea
Seagrass · v1
41
features

UNDP project data (IATI Registry)

United Nations Development Programme (UNDP) · 1 datasets · 7 features

Community and nature projects (UNDP): Eritrea
Community Projects · v1
7
features

Data health

The ten lowest-scoring datasets and the local archive

Quality scorecard

Geometry, provenance, flags, duplicates, verification and licence

Carbon projects: Eritrea
90
Seagrass (UNEP-WCMC): Eritrea
90
Community and nature projects (UNDP): Eritrea
90
Fibre Cable Landing Stations
95
Rivers
95
Power Plants (Power output MW)
95
AfricaPriority_River
95
Small airport
95
Dams
95
Districts
95

Local archive

Atlas runs from its own copy

Last import
14 Oct 2026, 15:38
Snapshots kept
1
Units
ha · m · % · UTC · WGS 84
Sources online?
Not needed. Atlas serves everything from its own database.
Full data-quality report
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