Atlas · Angola / Intelligence Centre
INTELLIGENCE CENTRE · ANGOLA

Nature and climate intelligence, from the data to the decision

1,485,178 mapped features and 350,076 observations from 99 datasets, harmonised to one set of units, with every number traceable to its source.

Mapped mangrove
29,225 ha
2,498 polygons · 2020
Change since 1996
+3,205 ha
+12.3% net, 1996–2025
Datasets
99
1,485,178 features
Data quality score
95 / 100
55,235 geometries repaired
Provenance coverage
1,485,178
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
2,498
Median / mean patch
0.178 / 11.70 ha
Effective mesh size
3,305.4 ha
Largest patch index
27.0% of area
Patch-size exponent α
1.63
Species & formations

Spatial clustering

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

Moran’s I
0.103
z-score
1.4

Mangrove area is not significantly clustered. 10 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
8 of 9 themes have no data yet
Atlas holds no records for: Coastal Forests, Blue Carbon, Restoration Sites, Carbon Projects, Land Use & Land Cover, Fire & Climate, Farming & Livelihoods, Surveys & Fiel...
HighGovernance
Licence terms to be confirmed for 84 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
43.2% of the 2,498 mapped polygons are under 0.1 ha, yet patches of 10 ha or more hold 95.4% of all mangrove area. Management and monitoring effort should focus on the la...
LowChange
Net gain of mangrove since 1996
Global Mangrove Watch maps 26,010 ha of mangrove in Angola in 1996 and 29,215 ha in 2025: a net gain of 3,205 ha (12.3%), about 111 ha per year. This is the net balance o...
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 “Angola mangrove intelligence brief — 14 October 2026”

Datasets in Atlas

99 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 · 15,074 features

Global Mangrove Watch v4.1

Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) · 7 datasets · 21,407 features

WWF Kenya Sources: GIS Centre of Excellence

WWF Kenya · 77 datasets · 289,973 features

High Biodiversity Areas
Biodiversity · v1
3
features
Oil and Gas Basins
Boundaries & Reference · v1
4
features
Basins_KAZA
Water & Catchments · v1
4
features
KAZA TFCA Boundary
Protected Areas & Landscapes · v1
5
features
Lion Population Estimates
Biodiversity · v1
5
features
Buffalo Population Estimates
Community Projects · v1
5
features
Loss of Livestock to Wildlife
Biodiversity · v1
5
features
Decrease of Crop Loss to Wildlife
Biodiversity · v1
5
features

UNEP-WCMC global seagrass and saltmarsh layers

UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT · 2 datasets · 6 features

Seagrass (UNEP-WCMC): Angola
Seagrass · v1
2
features
Salt marsh (UNEP-WCMC): Angola
Salt Marsh · v1
4
features

UNDP project data (IATI Registry)

United Nations Development Programme (UNDP) · 1 datasets · 11 features

Community and nature projects (UNDP): Angola
Community Projects · v1
11
features

WWF Kenya GIS Centre of Excellence — full server mirror

WWF Kenya · 7 datasets · 1,158,707 features

Roads
Reference & context · v1
54,384
features
Rural_Population
Reference & context · v1
60,222
features
Population
Community Projects · v1
61,388
features
GeneralPopulat_FeatureToPoin
Reference & context · v1
61,388
features
General_Population__2016_
Reference & context · v1
61,388
features
Settlement
Community Projects · v1
275,904
features
Road Network
Reference & context · v1
584,033
features

Data health

The ten lowest-scoring datasets and the local archive

Quality scorecard

Geometry, provenance, flags, duplicates, verification and licence

Seagrass (UNEP-WCMC): Angola
90
Salt marsh (UNEP-WCMC): Angola
90
Community and nature projects (UNDP): Angola
90
High Biodiversity Areas
95
Oil and Gas Basins
95
Basins_KAZA
95
KAZA TFCA Boundary
95
Lion Population Estimates
95
Buffalo Population Estimates
95
Loss of Livestock to Wildlife
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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