Atlas · Kenya / Intelligence Centre
INTELLIGENCE CENTRE · LAMU SEASCAPE, KENYA

Nature and climate intelligence, from the data to the decision

1,361,743 mapped features and 236,599 observations from 372 datasets, harmonised to one set of units, with every number traceable to its source.

Mapped mangrove
34,514 ha
60,004 polygons · 2019
Dominant formation
Rhizophora dominant
41.8% of area
Within 10 km of LAPSSET
18,676 ha
54.1% of mapped mangrove
Field plots vs map
52% genus match
103 of 139 plots on a mapped polygon
Restoration sites
12
46.0 ha assessed
Tagged turtles
4
1,406 fixes · 3,092 km
Datasets
372
1,361,743 features
Data quality score
95 / 100
55,235 geometries repaired
Provenance coverage
1,361,743
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

Rhizophora dominant · 41.8%Rhizophora almost pure stand · 11.9%Avicennia dominant · 11.5%Mixture of Ceriops & Rhizophora · 11.1%Ceriops dominant · 10.9%Avicennia almost pure stand · 10.6%Mixture of Rhizophora & Sonneratiaed · 2.2%

Landscape science

Computed, reproducible measures (see Methodologies)

Fragmentation

How broken up is the canopy?

Patches
60,004
Median / mean patch
0.090 / 0.58 ha
Effective mesh size
114.9 ha
Largest patch index
3.7% of area
Patch-size exponent α
1.84
Evenness (Shannon)
0.86
Species & formations

Spatial clustering

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

Moran’s I
0.115
z-score
2.0

Mangrove area is significantly clustered. 4 hot-spot and 5 cold-spot cells.

Spatial analysis

Pressure from LAPSSET

Mangrove hectares by distance from the development footprint

Themes

Where Atlas has data, and where it is still empty

What the analysis says

Top recommendations from the intelligence engine
HighData_gap
2 of 9 themes have no data yet
Atlas holds no records for: Blue Carbon, Fire & Climate. Seagrass and salt marsh would come from UNEP-WCMC global datasets; carbon projects from the Verra and Gold Standa...
HighGovernance
Licence terms to be confirmed for 355 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...
HighRestoration
Restoration sites: where degradation is highest
4 of 12 assessed sites are rated highly degraded (Matsangoni 1, Eagle camp 1, NjIa ya Ndovu, Maganga). Recommended approaches: Enrichement planting (5), Assisted planting...
HighPressure
A large share of mapped mangrove lies close to planned LAPSSET development
18,676 ha of mangrove (54.1% of the mapped total) sits within 10 km of the LAPSSET development footprint (port area, Special Economic Zone, corridor, airport). This is th...
All recommendations

Ask the analyst

Plain-English questions, answered with real calculations

See how it works
Latest brief: 14 computed insights: 6 need attention, 5 are worth acting on. Read “Lamu seascape mangrove intelligence brief — 14 October 2026”

Datasets in Atlas

372 datasets from 10 sources — grouped by where they come from

WWF Kenya Sources, KMFRI and KFS: Lamu Mangroves Species Formation

WWF Kenya / Kenya Marine and Fisheries Research Institute (KMFRI) / Kenya Forest Service (KFS) · 8 datasets · 88,511 features

Lamu Mangroves Species Formation 2019
Mangroves · v1
60,004
features
Lamu towns
People & Settlements · v1
7
features
Lamu villages
People & Settlements · v1
52
features
Lamu mangrove swamp blocks (KFS management blocks)
Mangroves · v1
5
features
LAPSSET port area (Lamu)
Mangroves · v1
1
features
LAPSSET development footprint (Lamu)
Mangroves · v1
7
features
Lamu mangrove field survey plots
Mangroves · v1
139
features
Lamu sand and mudflats
Mangroves · v1
28,296
features

WWF Kenya Sources: TBP & LCPM Mangrove Restoration Projects

WWF Kenya (TBP and LCPM projects) · 5 datasets · 37 features

TBP / LCPM mangrove restoration planted sites
Restoration Sites · v1
12
features
Natural regeneration monitoring plots
Restoration Sites · v1
17
features
Natural regeneration protection zones
Restoration Sites · v1
6
features
Southern Swamps block (restoration project area)
Restoration Sites · v1
1
features
Mida Creek, Whale Island and Malindi-Watamu area boundary
Restoration Sites · v1
1
features

WWF Kenya Sources: Coastal Kenya Programme sea-turtle tagging

WWF Kenya (Coastal Kenya Programme) · 2 datasets · 1,421 features

Global Mangrove Watch v3.0

Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) · 5 datasets · 11,903 features

Global Mangrove Watch v4.1

Global Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA) · 7 datasets · 16,132 features

WWF Kenya Sources: GIS Centre of Excellence

WWF Kenya · 335 datasets · 360,233 features

Day 2 Walk Routes
Water & Catchments · v1
1
features
WRUA Boundaries
Boundaries & Reference · v1
1
features
Nyangori
Water & Catchments · v1
1
features
Marsabit County Boundary
Boundaries & Reference · v1
1
features
Subcorridor
Roads, Rail & Infrastructure · v1
1
features
Rail Corridor
Roads, Rail & Infrastructure · v1
1
features
Mediterranean Marine
Water & Catchments · v1
1
features
West Africa Marine
Water & Catchments · v1
1
features

Berkeley Voluntary Registry Offsets Database (v2026-08)

Berkeley Carbon Trading Project, University of California, Berkeley · 1 datasets · 62 features

Carbon projects: Kenya
Carbon Projects · v1
62
features

UNEP-WCMC global seagrass and saltmarsh layers

UN Environment Programme World Conservation Monitoring Centre (UNEP-WCMC) and Short FT · 2 datasets · 378 features

Seagrass (UNEP-WCMC): Kenya
Seagrass · v1
376
features
Salt marsh (UNEP-WCMC): Kenya
Salt Marsh · v1
2
features

UNDP project data (IATI Registry)

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

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

WWF Kenya GIS Centre of Excellence — full server mirror

WWF Kenya · 6 datasets · 883,055 features

MangroveSpeciesFormation_2019
Mangroves · v1
60,004
features
MangroveSpeciesFormation_2019
Mangroves · v1
60,004
features
Observation_ICCN
Reference & context · v1
101,621
features
Fences
Reference & context · v1
148,597
features
SGR Alignment
Reference & context · v1
236,107
features
Elephant Track
Biodiversity · v1
276,722
features

Data health

The ten lowest-scoring datasets and the local archive

Quality scorecard

Geometry, provenance, flags, duplicates, verification and licence

Rangeland_Management_and_Restoration_Tool
77
Lamu mangrove swamp blocks (KFS management blocks)
80
Lamu towns
85
Lamu villages
85
Carbon projects: Kenya
90
Seagrass (UNEP-WCMC): Kenya
90
Salt marsh (UNEP-WCMC): Kenya
90
Community and nature projects (UNDP): Kenya
90
LAMU_FODDER_FARMERS
94
restoration_area_
94

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.
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