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ATLAS REPORT

Country report: Republic of the Congo

Generated 15 October 2026, 15:11 from live Atlas data

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Executive summary

Atlas holds 297,487 mapped features and 294,959 observations in 91 datasets. The mapped mangrove canopy covers 3,000 ha in 913 polygons across 1 formation classes; Mangrove dominates with 100.0% of the area. The median patch is only 0.178 ha, while patches of 10 ha or more hold 80.2% 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

FormationPolygonsArea (ha)ShareMean patch (ha)
Mangrove9133,000.0100.0%3.29
Shannon evenness by area: 0.00

Pressure: LAPSSET and villages

Mangrove ha by distance from LAPSSET

Mangrove ha by distance from villages

Data quality

DatasetFeaturesRepairedScore
Global Mangrove Watch: mangrove extent 2020, Republic of the Congo5710100
Global Mangrove Watch: mangrove extent 1996, Republic of the Congo6550100
Global Mangrove Watch: mangrove extent 2007, Republic of the Congo6090100
Global Mangrove Watch: mangrove extent 2010, Republic of the Congo5570100
Global Mangrove Watch: mangrove extent 2015, Republic of the Congo5730100
Global Mangrove Watch v4.1: mangrove extent 2025, Republic of the Congo1,0040100
Global Mangrove Watch v4.1: mangrove extent 2020, Republic of the Congo9130100
Global Mangrove Watch v4.1: mangrove extent 2015, Republic of the Congo8770100
Global Mangrove Watch v4.1: mangrove extent 2010, Republic of the Congo9550100
Global Mangrove Watch v4.1: mangrove extent 2005, Republic of the Congo9750100
Global Mangrove Watch v4.1: mangrove extent 2000, Republic of the Congo1,0280100
Global Mangrove Watch v4.1: mangrove extent 1996, Republic of the Congo1,0710100
Proposed Chollet Dam1095
Proposed National Park1095
Dja-Odzala-Minkébé - TRIDOM1095
Tridom Boundary official1195
Tridom Boundary with extra Hippos1195
Congo Segment1095
Proposed Protected Area1095
PNNP Limits1095
TRIDOM Boundary Hippo Inclusive1195
WCB_Boundary1195
Waterfalls2095
Sanctuaire2095
Tridom Processing Units2095
TRIDOM Country Intersection3095
GAB_COG_CMR3095
Ramsar sites3095
Tridom Mining Concessions SIGHT 20213095
Dams4095
Ramsar sites4095
Umbrella Land/Seascape5095
Umbrella Land/Seascape5095
AfricaPriorityLandscapes7295
National Park8095
Principal Mining Sites8095
Proposed Wildlife Corridor10095
Congo Departments 201010095
Tridom_buffer_OSM_airports10095
Airports11095
WCB_WDPA11095
Tridom WWF Office Locations12095
ETIC Conservation Area12095
FLRi Countries13095
FLRi Countries13095
Exploration Permit15095
Protected Areas15095
Schools19095
Tridom Main Towns31095
Development Corridors 33095
Tridom Agricultural Industrial Plantations Complete37195
Tridom Arrondissements40095
Elephant Population Density42095
Tridom Agricultural Industrial Plantations Complete45195
Gabon Departments49395
SADC_TFCAs56195
Operational Land/Seascape701095
Operational Land/Seascape701095
Operational Landscape791395
Africa_WWF_Priority_202104_Operational_Landscapes_Seascape961695
Forestry Commissions & UFA PNNP108295
Congo_Basin_Tridom_Forest_Concessions120295
Fibre Cable Landing Stations126095
Medical Facilities134095
Tridom Complete Mining Concessions146095
Roads180095
Protected Areas210495
Rivers228095
Clearings486095
ProtectedAreas_AfricaPriorityLandscapes492495
Forest_Concessions5351195
Power Plants (Power output MW)642095
AfricaPriority_River857095
Villages1,050095
Tridom Villages1,051095
Rivers1,585095
Tridom Rivers: complete1,585095
Small airport1,979095
Dams2,586095
Population Clusters2,691095
Tridom Roads: complete3,741095
Districts6,0991395
World Database on Protected Areas7,438195
Electricity Transmission Network9,759095
Tridom_OSM_Roads11,963095
Irrigated Areas23,095195
Agro-Ecological Zones25,7911795
Carbon projects: Republic of the Congo4090
Community and nature projects (UNDP): Republic of the Congo8090
Roads54,384095
Forest Roads127,758095

Recommendations

High 8 of 9 themes have no data yet
Atlas holds no records for: Seagrass, Salt Marsh, Blue Carbon, Land Use & Land Cover, Wildlife & Habitats, Fire & Climate, Farming & Livelihoods, Surveys & Field Data. Seagrass and salt marsh would come from UNEP-WCMC global datasets; carbon projects from the Verra and Gold Standard registries; community projects from partner programmes.
Action: Ingest the planned sources listed in the Source Catalogue, starting with Global Mangrove Watch, UNEP-WCMC seagrass and salt marsh, and the carbon registries.
High Licence terms to be confirmed for 77 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 redistribution rights.
Action: Request written permission from WWF Kenya, KMFRI and KFS for redistribution and derivative products.
Medium Most polygons are very small, but most area sits in large stands
45.9% of the 913 mapped polygons are under 0.1 ha, yet patches of 10 ha or more hold 80.2% of all mangrove area. Management and monitoring effort should focus on the large stands, while the small-patch tail needs checking against satellite imagery.
Action: Prioritise field verification of large stands; review the sub-0.1 ha tail for mapping artefacts.
Low Net gain of mangrove since 1996
Global Mangrove Watch maps 2,590 ha of mangrove in Republic of the Congo in 1996 and 3,084 ha in 2025: a net gain of 494 ha (19.1%), about 17 ha per year. This is the net balance of total mapped area; gains and losses inside the country can cancel out, so real loss may be larger.

Datasets & sources

DatasetPublisherFeatures
Global Mangrove Watch: mangrove extent 2020, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)571
Global Mangrove Watch: mangrove extent 1996, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)655
Global Mangrove Watch: mangrove extent 2007, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)609
Global Mangrove Watch: mangrove extent 2010, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)557
Global Mangrove Watch: mangrove extent 2015, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)573
Global Mangrove Watch v4.1: mangrove extent 2025, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)1,004
Global Mangrove Watch v4.1: mangrove extent 2020, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)913
Global Mangrove Watch v4.1: mangrove extent 2015, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)877
Global Mangrove Watch v4.1: mangrove extent 2010, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)955
Global Mangrove Watch v4.1: mangrove extent 2005, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)975
Global Mangrove Watch v4.1: mangrove extent 2000, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)1,028
Global Mangrove Watch v4.1: mangrove extent 1996, Republic of the CongoGlobal Mangrove Watch (Aberystwyth University, soloEO, Wetlands International, UNEP-WCMC, JAXA)1,071
Proposed Chollet DamWWF Kenya1
Proposed National ParkWWF Kenya1
Dja-Odzala-Minkébé - TRIDOMWWF Kenya1
Tridom Boundary officialWWF Kenya1
Tridom Boundary with extra HipposWWF Kenya1
Congo SegmentWWF Kenya1
Proposed Protected AreaWWF Kenya1
PNNP LimitsWWF Kenya1
TRIDOM Boundary Hippo InclusiveWWF Kenya1
WCB_BoundaryWWF Kenya1
WaterfallsWWF Kenya2
SanctuaireWWF Kenya2
Tridom Processing UnitsWWF Kenya2
TRIDOM Country IntersectionWWF Kenya3
GAB_COG_CMRWWF Kenya3
Ramsar sitesWWF Kenya3
Tridom Mining Concessions SIGHT 2021WWF Kenya3
DamsWWF Kenya4
Ramsar sitesWWF Kenya4
Umbrella Land/SeascapeWWF Kenya5
Umbrella Land/SeascapeWWF Kenya5
AfricaPriorityLandscapesWWF Kenya7
National ParkWWF Kenya8
Principal Mining SitesWWF Kenya8
Proposed Wildlife CorridorWWF Kenya10
Congo Departments 2010WWF Kenya10
Tridom_buffer_OSM_airportsWWF Kenya10
AirportsWWF Kenya11
WCB_WDPAWWF Kenya11
Tridom WWF Office LocationsWWF Kenya12
ETIC Conservation AreaWWF Kenya12
FLRi CountriesWWF Kenya13
FLRi CountriesWWF Kenya13
Exploration PermitWWF Kenya15
Protected AreasWWF Kenya15
SchoolsWWF Kenya19
Tridom Main TownsWWF Kenya31
Development Corridors WWF Kenya33
Tridom Agricultural Industrial Plantations CompleteWWF Kenya37
Tridom ArrondissementsWWF Kenya40
Elephant Population DensityWWF Kenya42
Tridom Agricultural Industrial Plantations CompleteWWF Kenya45
Gabon DepartmentsWWF Kenya49
SADC_TFCAsWWF Kenya56
Operational Land/SeascapeWWF Kenya70
Operational Land/SeascapeWWF Kenya70
Operational LandscapeWWF Kenya79
Africa_WWF_Priority_202104_Operational_Landscapes_SeascapeWWF Kenya96
Forestry Commissions & UFA PNNPWWF Kenya108
Congo_Basin_Tridom_Forest_ConcessionsWWF Kenya120
Fibre Cable Landing StationsWWF Kenya126
Medical FacilitiesWWF Kenya134
Tridom Complete Mining ConcessionsWWF Kenya146
RoadsWWF Kenya180
Protected AreasWWF Kenya210
RiversWWF Kenya228
ClearingsWWF Kenya486
ProtectedAreas_AfricaPriorityLandscapesWWF Kenya492
Forest_ConcessionsWWF Kenya535
Power Plants (Power output MW)WWF Kenya642
AfricaPriority_RiverWWF Kenya857
VillagesWWF Kenya1,050
Tridom VillagesWWF Kenya1,051
RiversWWF Kenya1,585
Tridom Rivers: completeWWF Kenya1,585
Small airportWWF Kenya1,979
DamsWWF Kenya2,586
Population ClustersWWF Kenya2,691
Tridom Roads: completeWWF Kenya3,741
DistrictsWWF Kenya6,099
World Database on Protected AreasWWF Kenya7,438
Electricity Transmission NetworkWWF Kenya9,759
Tridom_OSM_RoadsWWF Kenya11,963
Irrigated AreasWWF Kenya23,095
Agro-Ecological ZonesWWF Kenya25,791
Carbon projects: Republic of the CongoBerkeley Carbon Trading Project, University of California, Berkeley4
Community and nature projects (UNDP): Republic of the CongoUnited Nations Development Programme (UNDP)8
RoadsWWF Kenya54,384
Forest RoadsWWF Kenya127,758

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.
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