Foret de Ndankou
IUCN Not ReportedForest Reserve
34 km²
Division · gmb
Maccarthy Island
Gambia
BShArid, steppe, hot(100 %)
Species observed
971
Observations
113 182
Area
3 028,2km²
Ecological tissue
Sample of 21 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Maccarthy Island : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
22
Interactions affichées
19
Connectance
0.082
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
971 distinct species · 113 182 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,5°C
Annual rain
790mm
Warmest m°
38,4°C
Coldest m°
18,7°C
Elevation: 22 m on average (min 1 m, max 49 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
28,5°C
Annual rain
790mm
Warmest month
38,4°C
Coldest month
18,7°C
Mean alt.
22m
Min
1m
Max
49m
Std. dev.
16m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,9
Org. C
11,1g/kg
Clay
19,5%
Sand
61,8%
Silt
18,6%
Average over 0-30 cm. Per-depth details in expert panel.
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
12,8g/kg
Clay
17,5%
Sand
63,8%
Silt
18,6%
5–15 cm
pH H₂O
5,9
Org. C
10,4g/kg
Clay
18,6%
Sand
62,6%
Silt
18,8%
15–30 cm
pH H₂O
5,8
Org. C
10,2g/kg
Clay
22,5%
Sand
59,1%
Silt
18,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.9%
Crops33.4%
Built-up0.3%
Bare soil0.8%
Other (grassland, water…)55.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 4 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
386,5km
Lake surface here
3,25km²
Basins crossed
11
Max stream order
6
Max drainage
68 567km²
Discharge in basins
427,6m³/s
Mean precip.
723mm/an
Mean T°
27,6°C
Moisture idx
-0,65
Mean runoff
49mm/an
Mean elev. (basins)
27m
Watersheds crossing here
- Bassin de Gambiesub-area1 144,4 km²overlap1129.10 km²37%
- Bassin de Gambia Riversub-area770,3 km²overlap586.29 km²19%
- Bassin de Gambia Riversub-area410,3 km²overlap407.43 km²13%
- Bassin de Nianija Bolonsub-area799 km²overlap287.57 km²9%
- Bassin de Pallan Bolonsub-area1 078,2 km²overlap252.15 km²8%
- Bassin de Pakaliba Bridgesub-area1 681,8 km²overlap198.91 km²7%
- Bassin de Sandougousub-area789 km²overlap86.16 km²3%
- Bassin de Gambiesub-area1 190,2 km²overlap58.05 km²2%
- Bassin de Grand Bao Bôlonsub-area257,1 km²overlap13.84 km²0%
2 more basinssorted by overlap
Lakes (4, top by area)
Rivers / streams (12, ord ≥ 4)
- Gambia Riverord 6len here172.01 km43%total403 km
- Gambieord 6len here76.37 km7%total1156 km
- Nianija Bolonord 4len here44.43 km35%total128 km
- Pallan Bolonord 4len here25.59 km43%total60 km
- Kerewan Bolonord 1len here13.22 km100%total13 km
- Santanto Bolonord 1len here10.99 km60%total18 km
- Kuntin Bolonord 2len here10.91 km100%total11 km
- Bantanto Bolonord 6len here9.86 km100%total10 km
- Sandougouord 5len here7.14 km2%total360 km
- Pachar Bolonord 2len here5.89 km100%total6 km
- Pakaliba Bridgeord 6len here5.18 km16%total32 km
- Kai Hai Channelord 6len here4.96 km100%total5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
32,8%
Pesticides
18,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN Not Reported · 2IUCN VI · 2IUCN II · 1📍 Point sites · 1
Foret de Ngayene
IUCN Not ReportedForest Reserve
22 km²
River Gambia
IUCN IINational Park · 1976
13 km²
Barrow Kunda
IUCN VICommunity Protected Area · 2014
4 km²
Chamen Nianija
IUCN VICommunity Protected Area · 2014
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN