Delta Intérieur du Niger
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2004
40 802 km²
Subdivision · MLI
Dirma
Mali
BWhArid, desert, hot(100 %)
Species observed
9
Observations
36
Area
481,8km²
Partial data for this territory
Few observations recorded here. Real biodiversity is likely richer.
Ecological tissue
Sample of 2 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 Dirma : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).
Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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
9 distinct species · 36 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,8°C
Annual rain
312mm
Warmest m°
40,9°C
Coldest m°
15,8°C
Elevation: 263 m on average (min 259 m, max 267 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,8°C
Annual rain
312mm
Warmest month
40,9°C
Coldest month
15,8°C
Mean alt.
263m
Min
259m
Max
267m
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
5,9g/kg
Clay
27,6%
Sand
51,5%
Silt
20,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: wbGLiMaggregated to Youwarou
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
7,2g/kg
Clay
25,9%
Sand
52,7%
Silt
21,5%
5–15 cm
pH H₂O
6,8
Org. C
5,4g/kg
Clay
26,1%
Sand
52,7%
Silt
21,2%
15–30 cm
pH H₂O
6,9
Org. C
5,0g/kg
Clay
30,8%
Sand
49,1%
Silt
20,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.2%
Crops17.4%
Built-up0.1%
Bare soil15.9%
Other (grassland, water…)63.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 2 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
83,4km
Lake surface here
6,17km²
Basins crossed
8
Max stream order
8
Max drainage
336 950km²
Discharge in basins
163,9m³/s
Mean precip.
320mm/an
Mean T°
27,6°C
Moisture idx
-0,84
Mean runoff
153mm/an
Mean elev. (basins)
265m
Watersheds crossing here
- Bassin de Bara Issasub-area1 700,4 km²overlap221.74 km²46%
- Bassin du Nigersub-area446,6 km²overlap188.65 km²39%
- Bassin du Nigersub-area120,2 km²overlap26.84 km²6%
- Bassin du Nigersub-area217,6 km²overlap19.92 km²4%
- Bassin du Nigersub-area1 003,3 km²overlap13.46 km²3%
- Bassin du Nigersub-area288 km²overlap10.76 km²2%
- Bassin du Nigersub-area748,9 km²overlap0.40 km²0%
- Bassin de Banisub-area1 609,5 km²overlap0.03 km²0%
Lakes (2, 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
8,5%
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
Enghuem
IUCN IVClassified Forest · 1946
22 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN