Atlas · Senegal / Intelligence Centre
INTELLIGENCE CENTRE · SENEGAL

Nature and climate intelligence, from the data to the decision

195,557 mapped features and 37,971 observations from 28 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 Senegal.

All themes
Mapped mangrove
151,840 ha
10,419 polygons · 2020
Change since 1996
+39,992 ha
+32.8% net, 1996–2025
Datasets
28
195,557 features
Data quality score
97 / 100
55,235 geometries repaired
Provenance coverage
195,557
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
10,419
Median / mean patch
0.175 / 14.57 ha
Effective mesh size
2,138.0 ha
Largest patch index
4.5% of area
Patch-size exponent α
1.55
Species & formations

Spatial clustering

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

Moran’s I
0.298
z-score
8.0

Mangrove area is significantly clustered. 34 hot-spot and 24 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 13 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
40.8% of the 10,419 mapped polygons are under 0.1 ha, yet patches of 10 ha or more hold 96.2% of all mangrove area. Management and monitoring effort should focus on the l...
LowChange
Net gain of mangrove since 1996
Global Mangrove Watch maps 122,084 ha of mangrove in Senegal in 1996 and 162,077 ha in 2025: a net gain of 39,992 ha (32.8%), about 1,379 ha per year. This is the net bal...
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 “Senegal mangrove intelligence brief — 14 October 2026”

Datasets in Atlas

28 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 · 32,488 features

Global Mangrove Watch v4.1

Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) · 7 datasets · 67,558 features

WWF Kenya Sources: GIS Centre of Excellence

WWF Kenya · 13 datasets · 95,487 features

Large airport
Roads, Rail & Infrastructure · v1
23
features
Fibre Cable
Roads, Rail & Infrastructure · v1
72
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
Small airport
Roads, Rail & Infrastructure · v1
1,979
features
Dams
Roads, Rail & Infrastructure · v1
2,586
features
Districts
Boundaries & Reference · v1
6,099
features

Berkeley Voluntary Registry Offsets Database (v2026-08)

Berkeley Carbon Trading Project, University of California, Berkeley · 1 datasets · 4 features

Carbon projects: Senegal
Carbon Projects · v1
4
features

UNEP-WCMC global seagrass and saltmarsh layers

UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT · 1 datasets · 5 features

Seagrass (UNEP-WCMC): Senegal
Seagrass · v1
5
features

UNDP project data (IATI Registry)

United Nations Development Programme (UNDP) · 1 datasets · 15 features

Community and nature projects (UNDP): Senegal
Community Projects · v1
15
features

Data health

The ten lowest-scoring datasets and the local archive

Quality scorecard

Geometry, provenance, flags, duplicates, verification and licence

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