Aouk
IUCN Not ReportedHunting reserve · 1963
28 560 km²
Commune · TCD
Kouga-Tchad
Chad
AwTropical, savannah(100 %)
Species observed
138
Observations
230
Area
11 658,7km²
Ecological tissue
Sample of 35 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 Kouga-Tchad : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 2 types (connectance 7.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
47
Connectance
0.079
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
138 distinct species · 230 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,5°C
Annual rain
885mm
Warmest m°
38,5°C
Coldest m°
19,2°C
Elevation: 402 m on average (min 383 m, max 424 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,5°C
Annual rain
885mm
Warmest month
38,5°C
Coldest month
19,2°C
Mean alt.
402m
Min
383m
Max
424m
Std. dev.
9m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
10,4g/kg
Clay
35,4%
Sand
33,4%
Silt
31,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Haraze Mangueigne
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
14,8g/kg
Clay
32,1%
Sand
35,8%
Silt
32,1%
5–15 cm
pH H₂O
6,5
Org. C
10,2g/kg
Clay
33,4%
Sand
34,5%
Silt
32,1%
15–30 cm
pH H₂O
6,4
Org. C
6,1g/kg
Clay
40,7%
Sand
29,9%
Silt
29,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest19.1%
Crops0.4%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)80.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology33 basins · 14 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
948,4km
Lake surface here
2,93km²
Basins crossed
33
Max stream order
7
Max drainage
125 180km²
Discharge in basins
502,4m³/s
Mean precip.
999mm/an
Mean T°
27,3°C
Moisture idx
-0,52
Mean runoff
65mm/an
Mean elev. (basins)
405m
Watersheds crossing here
- Bassin de Aoukalésub-area2 074,1 km²overlap1879.25 km²16%
- Bassin de Baoudasub-area1 956,1 km²overlap1666.25 km²14%
- Bassin de Arapsub-area2 072,4 km²overlap1359.81 km²12%
- Bassin de Bèchsub-area1 340 km²overlap1210.02 km²10%
- Bassin de Mbaïsub-area708,1 km²overlap640.22 km²5%
- Bassin de Kédéniésub-area642 km²overlap638.65 km²5%
- Bassin de Myasub-area1 935,1 km²overlap556.57 km²5%
- Bassin de Irisub-area501,8 km²overlap362.94 km²3%
- Bassin de Bahr Aouksub-area1 201,5 km²overlap324.62 km²3%
24 more basinssorted by overlap
- Bassin de Mbaïsub-area323,4 km²overlap322.04 km²3%
- Bassin de Alrsub-area2 205 km²overlap312.29 km²3%
- Bassin de Irisub-area292 km²overlap279.93 km²2%
- Bassin de Gongosub-area283,2 km²overlap257.45 km²2%
- Bassin de Aoukalésub-area252,4 km²overlap248.64 km²2%
- Bassin de Irisub-area182,9 km²overlap182.11 km²2%
- Bassin de Babonksisub-area766,2 km²overlap167.04 km²1%
- Bassin de Myasub-area1 068,7 km²overlap150.55 km²1%
- Bassin de Bahr Aouksub-area244,5 km²overlap146.95 km²1%
- Bassin de Aoukalésub-area250,3 km²overlap128.21 km²1%
- Bassin de Bahr Aouksub-area643 km²overlap123.09 km²1%
- Basin #20010sub-area911,3 km²overlap116.89 km²1%
- Bassin de Irisub-area2 274,4 km²overlap111.06 km²1%
- Bassin de Aoukalésub-area840,3 km²overlap106.92 km²1%
- Basin #14570sub-area703,9 km²overlap89.75 km²1%
- Bassin de Aoukalésub-area181,4 km²overlap83.01 km²1%
- Bassin de Bahr Aouksub-area363,1 km²overlap80.15 km²1%
- Basin #19780sub-area215,9 km²overlap46.57 km²0%
- Bassin de Irisub-area151,7 km²overlap29.38 km²0%
- Bassin de Bahr Aouksub-area23,9 km²overlap14.66 km²0%
- Bassin de Bahr Aouksub-area49,3 km²overlap12.16 km²0%
- Bassin de Bahr Aouksub-area38,2 km²overlap6.83 km²0%
- Bassin de Aoukalésub-area7,8 km²overlap4.00 km²0%
- Bassin de Irisub-area2 378,5 km²overlap0.83 km²0%
Lakes (14, top by area)
- Lac 1403115area0,6 km²avg depth1.3 m
- Lac 1403019area0,6 km²avg depth1.9 m
- Lac 1403007area0,2 km²avg depth1.7 m
- Lac 1402881area0,2 km²avg depth2.3 m
- Lac 1403153area0,2 km²avg depth1.1 m
- Lac 1402535area0,2 km²avg depth1.6 m
- Lac 1403000area0,2 km²avg depth1.3 m
- Lac 1402875area0,2 km²avg depth1.5 m
- Lac 1403141area0,2 km²avg depth1.6 m
Rivers / streams (12, ord ≥ 4)
- Aoukaléord 6len here316.46 km46%total693 km
- Baoudaord 4len here159.31 km75%total212 km
- Bahr Aoukord 7len here110.49 km20%total554 km
- Mbaïord 4len here72.82 km100%total73 km
- Alrord 3len here65.18 km90%total73 km
- Iriord 5len here57.64 km14%total413 km
- Myaord 5len here47.64 km10%total479 km
- Bèchord 3len here41.79 km100%total42 km
- Babonksiord 3len here28.35 km37%total77 km
- Kédéniéord 3len here24.02 km100%total24 km
- Gongoord 4len here18.50 km100%total19 km
- Arapord 4len here6.26 km6%total101 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
0,4%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 1IUCN Not Applicable · 1IUCN IV · 1
Manovo-Gounda St Floris National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 1988
18 750 km²
Aouk-Aoukale
IUCN IVFaunal Reserve · 1939
3 452 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN