Waza Logone Floodplain
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2012
7 744 km²
Department · TCD
Haraze Al Biar
Chad
BShArid, steppe, hot(82 %)
Species observed
499
Observations
1 941
Area
6 032,6km²
Ecological tissue
Sample of 34 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 Haraze Al Biar : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 2 types (connectance 4.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
25
Connectance
0.042
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
499 distinct species · 1 941 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,7°C
Annual rain
422mm
Warmest m°
40,9°C
Coldest m°
16,0°C
Elevation: 290 m on average (min 280 m, max 295 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
28,7°C
Annual rain
422mm
Warmest month
40,9°C
Coldest month
16,0°C
Mean alt.
290m
Min
280m
Max
295m
Std. dev.
3m
Köppen-Geiger (dominant)
BShArid, steppe, hot(82 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,4
Org. C
7,0g/kg
Clay
30,7%
Sand
46,3%
Silt
23,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,3
Org. C
7,2g/kg
Clay
28,4%
Sand
47,9%
Silt
23,7%
5–15 cm
pH H₂O
7,3
Org. C
6,2g/kg
Clay
30,0%
Sand
46,8%
Silt
23,2%
15–30 cm
pH H₂O
7,4
Org. C
7,7g/kg
Clay
33,7%
Sand
44,3%
Silt
22,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.2%
Crops26.8%
Built-up0.2%
Bare soil4.2%
Other (grassland, water…)65.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology18 basins · 6 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
197,3km
Lake surface here
332,00km²
Basins crossed
18
Max stream order
8
Max drainage
609 864km²
Discharge in basins
1 356,1m³/s
Mean precip.
409mm/an
Mean T°
28,5°C
Moisture idx
-0,81
Mean runoff
28mm/an
Mean elev. (basins)
293m
Watersheds crossing here
- Bassin de Irédipsub-area2 417,3 km²overlap1779.84 km²30%
- Bassin de Bahr Liniasub-area1 772,1 km²overlap651.83 km²11%
- Basin #13530sub-area1 507,7 km²overlap600.86 km²10%
- Bassin de Douguisub-area901,1 km²overlap592.19 km²10%
- Bassin de Bahr el Ghazalsub-area1 336 km²overlap410.73 km²7%
- Basin #02020sub-area1 550,1 km²overlap276.78 km²5%
- Bassin de Malouisub-area1 348,5 km²overlap265.41 km²4%
- Basin #19750sub-area516,2 km²overlap255.61 km²4%
- Bassin de Chari شاريsub-area499,5 km²overlap212.67 km²4%
9 more basinssorted by overlap
- Bassin de Chari شاريsub-area489 km²overlap169.90 km²3%
- Basin #19760sub-area988,3 km²overlap166.01 km²3%
- Bassin de Am Déoirsub-area2 692,1 km²overlap160.85 km²3%
- Basin #17550sub-area156,9 km²overlap141.06 km²2%
- Bassin de Chari شاريsub-area217 km²overlap134.86 km²2%
- Bassin de Chari شاريsub-area208,6 km²overlap125.77 km²2%
- Basin #02010sub-area621,1 km²overlap46.02 km²1%
- Bassin de Chari شاريsub-area168 km²overlap41.46 km²1%
- Basin #95700sub-area60,4 km²overlap0.74 km²0%
Lakes (6, top by area)
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
18,1%
Pesticides
0,1kg/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