Delta Intérieur du Niger
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2004
40 802 km²
Circle · MLI
Youwarou
Mali
BWhArid, desert, hot(100 %)
Species observed
181
Observations
2 146
Area
7 691km²
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 Youwarou : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 35 interactions GloBI sur 2 types (connectance 12.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
35
Connectance
0.127
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
181 distinct species · 2 146 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,7°C
Annual rain
324mm
Warmest m°
41,0°C
Coldest m°
15,8°C
Elevation: 264 m on average (min 258 m, max 301 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,7°C
Annual rain
324mm
Warmest month
41,0°C
Coldest month
15,8°C
Mean alt.
264m
Min
258m
Max
301m
Std. dev.
2m
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
6,9
Org. C
5,6g/kg
Clay
26,5%
Sand
55,1%
Silt
18,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: wbGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,9
Org. C
6,9g/kg
Clay
24,7%
Sand
56,4%
Silt
18,8%
5–15 cm
pH H₂O
6,9
Org. C
5,3g/kg
Clay
25,3%
Sand
56,1%
Silt
18,6%
15–30 cm
pH H₂O
7,0
Org. C
4,7g/kg
Clay
29,6%
Sand
52,7%
Silt
17,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest1.9%
Crops19.0%
Built-up0.1%
Bare soil12.2%
Other (grassland, water…)66.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology28 basins · 44 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
486,3km
Lake surface here
185,19km²
Basins crossed
28
Max stream order
8
Max drainage
339 625km²
Discharge in basins
1 709,9m³/s
Mean precip.
326mm/an
Mean T°
27,4°C
Moisture idx
-0,84
Mean runoff
98mm/an
Mean elev. (basins)
268m
Watersheds crossing here
- Basin #03340sub-area913,9 km²overlap903.26 km²12%
- Bassin du Nigersub-area1 003,3 km²overlap902.09 km²12%
- Bassin du Nigersub-area791,4 km²overlap788.64 km²10%
- Bassin de Bara Issasub-area1 700,4 km²overlap659.00 km²9%
- Bassin de Diakasub-area678,3 km²overlap654.56 km²9%
- Basin #19830sub-area1 758,2 km²overlap550.52 km²7%
- Bassin du Nigersub-area446,6 km²overlap445.07 km²6%
- Bassin de Banisub-area1 609,5 km²overlap358.01 km²5%
- Bassin du Nigersub-area2 730,9 km²overlap291.84 km²4%
19 more basinssorted by overlap
- Basin #04170sub-area389,7 km²overlap256.10 km²3%
- Bassin du Nigersub-area217,6 km²overlap216.86 km²3%
- Bassin du Nigersub-area288 km²overlap194.49 km²3%
- Bassin de Diakasub-area975,3 km²overlap172.56 km²2%
- Basin #13290sub-area577,3 km²overlap171.88 km²2%
- Bassin du Nigersub-area253,7 km²overlap156.66 km²2%
- Bassin du Nigersub-area748,9 km²overlap141.35 km²2%
- Bassin du Nigersub-area120,2 km²overlap119.77 km²2%
- Basin #03870sub-area360,1 km²overlap92.76 km²1%
- Basin #99220sub-area723,6 km²overlap91.82 km²1%
- Basin #06590sub-area1 737,7 km²overlap84.02 km²1%
- Basin #13280sub-area583,7 km²overlap78.44 km²1%
- Basin #06410sub-area427,3 km²overlap71.38 km²1%
- Basin #03030sub-area91,8 km²overlap66.32 km²1%
- Bassin de Diakasub-area1 164,3 km²overlap66.11 km²1%
- Bassin de Diakasub-area63,3 km²overlap63.12 km²1%
- Basin #00830sub-area105,4 km²overlap43.64 km²1%
- Bassin du Nigersub-area1 532,6 km²overlap28.05 km²0%
- Bassin du Nigersub-area100,8 km²overlap22.66 km²0%
Lakes (44, top by area)
- Deboarea119,9 km²avg depth1.0 m
- Walado Deboarea30 km²avg depth1.0 m
- Gomagaarea7,9 km²avg depth2.9 m
- Lake #78923area4,8 km²avg depth0.5 m
- Lake #78882area4,2 km²avg depth1.8 m
- Lake #78918area2,8 km²avg depth0.8 m
- Lake #78897area2 km²avg depth1.3 m
- Lake #78890area1,7 km²avg depth1.2 m
- Lac Déboarea1,3 km²avg depth0.5 m
35 more lakes
- Lake #78924area1,1 km²avg depth0.8 m
- Lac 1396508area0,9 km²avg depth1.9 m
- Lac 1396793area0,8 km²avg depth1.2 m
- Lac 1396840area0,6 km²avg depth1.9 m
- Lac 1396915area0,6 km²avg depth1.6 m
- Lac 1396500area0,6 km²avg depth2.0 m
- Lac 1396640area0,5 km²avg depth1.3 m
- Lac 1396878area0,5 km²avg depth1.5 m
- Lac 1396433area0,4 km²avg depth1.6 m
- Lac 1396466area0,4 km²avg depth1.6 m
- Lac 1396794area0,4 km²avg depth0.5 m
- Lac 1396751area0,4 km²avg depth1.0 m
- Lac 1396645area0,3 km²avg depth0.9 m
- Lac 1396900area0,3 km²avg depth1.0 m
- Lac 1396879area0,3 km²avg depth1.5 m
- Lac 1396504area0,3 km²avg depth1.9 m
- Lac 1396412area0,3 km²avg depth1.2 m
- Lac 1396845area0,3 km²avg depth0.6 m
- Lac 1396866area0,3 km²avg depth1.1 m
- Lac 1396435area0,3 km²avg depth1.4 m
- Lac 1396855area0,3 km²avg depth1.3 m
- Lac 1396834area0,2 km²avg depth0.5 m
- Lac 1396482area0,2 km²avg depth1.6 m
- Lac 1396339area0,2 km²avg depth1.0 m
- Lac 1396479area0,2 km²avg depth1.8 m
- Lac 1396921area0,2 km²avg depth1.3 m
- Lac 1396868area0,2 km²avg depth0.8 m
- Lac 1396684area0,2 km²avg depth0.9 m
- Lac 1396925area0,2 km²avg depth0.8 m
- Lac 1396696area0,2 km²avg depth1.5 m
- Lac 1396816area0,1 km²avg depth0.5 m
- Lac 1396790area0,1 km²avg depth0.8 m
- Lac 1396867area0,1 km²avg depth1.0 m
- Lac 1396808area0,1 km²avg depth1.0 m
- Lac 1396792area0,1 km²avg depth0.5 m
Rivers / streams (4, 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
5,1%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas10
IUCN IV · 9IUCN Not Reported · 1
Complete list10 protected areas
- Delta Intérieur du NigerWetland of International Importance (Ramsar Site)IUCN Not Reported200440 802 km²
- EnghuemClassified ForestIUCN IV194622 km²
- DouyClassified ForestIUCN IV194615 km²
- OuméréClassified ForestIUCN IV194912 km²
- BiaClassified ForestIUCN IV194612 km²
- Fara-FaraClassified ForestIUCN IV194911 km²
- SubiClassified ForestIUCN IV19469 km²
- GuémaClassified ForestIUCN IV19499 km²
- YouwarouClassified ForestIUCN IV19465 km²
- DiondoClassified ForestIUCN IV19492 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN