River Gambia
IUCN IINational Park · 1976
13 km²
District · GMB
Niani
Gambia
BShArid, steppe, hot(100 %)
Species observed
436
Observations
16 947
Area
485,4km²
Ecological tissue
Sample of 22 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 Niani : 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
436 distinct species · 16 947 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,5°C
Annual rain
781mm
Warmest m°
38,4°C
Coldest m°
18,7°C
Elevation: 27 m on average (min 1 m, max 48 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
28,5°C
Annual rain
781mm
Warmest month
38,4°C
Coldest month
18,7°C
Mean alt.
27m
Min
1m
Max
48m
Std. dev.
17m
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
10,9g/kg
Clay
20,3%
Sand
60,8%
Silt
18,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
12,9g/kg
Clay
18,1%
Sand
63,1%
Silt
18,7%
5–15 cm
pH H₂O
5,9
Org. C
9,9g/kg
Clay
19,5%
Sand
61,2%
Silt
19,3%
15–30 cm
pH H₂O
5,8
Org. C
9,8g/kg
Clay
23,4%
Sand
58,0%
Silt
18,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.8%
Crops42.6%
Built-up0.3%
Bare soil0.3%
Other (grassland, water…)48.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 1 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
85,3km
Lake surface here
0,02km²
Basins crossed
5
Max stream order
6
Max drainage
60 395km²
Discharge in basins
64,0m³/s
Mean precip.
716mm/an
Mean T°
27,6°C
Moisture idx
-0,66
Mean runoff
42mm/an
Mean elev. (basins)
30m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
24,8%
Pesticides
16,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN II · 1📍 Point sites · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN