Lake Chad Wetlands in Nigeria
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2008
6 038 km²
Commune · CMR
Darrak
Cameroon
BWhArid, desert, hot(100 %)
Species observed
73
Observations
140
Area
1 230,8km²
Ecological tissue
Sample of 8 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 Darrak : 5 espèces reliées par 9 interactions GloBI sur 1 type (connectance 25.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
9
Interactions affichées
9
Connectance
0.250
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
73 distinct species · 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,5°C
Annual rain
318mm
Warmest m°
38,1°C
Coldest m°
16,8°C
Elevation: 281 m on average (min 280 m, max 284 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
28,5°C
Annual rain
318mm
Warmest month
38,1°C
Coldest month
16,8°C
Mean alt.
281m
Min
280m
Max
284m
Std. dev.
1m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
19,0g/kg
Clay
28,8%
Sand
49,3%
Silt
22,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Logone et Chari
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,7
Org. C
24,2g/kg
Clay
27,0%
Sand
50,8%
Silt
22,3%
5–15 cm
pH H₂O
6,7
Org. C
19,8g/kg
Clay
29,3%
Sand
48,8%
Silt
21,8%
15–30 cm
pH H₂O
6,8
Org. C
12,9g/kg
Clay
30,0%
Sand
48,3%
Silt
21,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.7%
Crops14.7%
Built-up0.0%
Bare soil2.7%
Other (grassland, water…)77.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
18,4km
Lake surface here
1 228,77km²
Basins crossed
6
Max stream order
8
Max drainage
609 864km²
Discharge in basins
449,2m³/s
Mean precip.
348mm/an
Mean T°
27,4°C
Moisture idx
-0,83
Mean runoff
55mm/an
Mean elev. (basins)
283m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
4,5%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 1IUCN IV · 1
Lac Tchad
IUCN IVWetland of International Importance (Ramsar Site) · 2008
2 153 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN