Gadabédji Biosphere Reserve
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2017
11 605 km²
Commune · NER
Birni N' Lalle
Niger
BWhArid, desert, hot(100 %)
Species observed
175
Observations
440
Area
2 811,9km²
Ecological tissue
Sample of 10 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 Birni N' Lalle : 9 espèces reliées par 9 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
10
Interactions affichées
9
Connectance
0.200
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
175 distinct species · 440 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,9°C
Annual rain
318mm
Warmest m°
39,9°C
Coldest m°
12,7°C
Elevation: 400 m on average (min 347 m, max 443 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,9°C
Annual rain
318mm
Warmest month
39,9°C
Coldest month
12,7°C
Mean alt.
400m
Min
347m
Max
443m
Std. dev.
20m
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
4,0g/kg
Clay
21,7%
Sand
59,8%
Silt
18,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Dakoro
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,9
Org. C
5,1g/kg
Clay
20,8%
Sand
60,6%
Silt
18,7%
5–15 cm
pH H₂O
6,9
Org. C
3,9g/kg
Clay
21,4%
Sand
60,1%
Silt
18,5%
15–30 cm
pH H₂O
6,9
Org. C
3,1g/kg
Clay
22,9%
Sand
58,7%
Silt
18,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.1%
Crops39.1%
Built-up0.2%
Bare soil2.6%
Other (grassland, water…)53.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
9
Max drainage
41 843km²
Discharge in basins
1,9m³/s
Mean precip.
302mm/an
Mean T°
27,9°C
Moisture idx
-0,85
Mean runoff
7mm/an
Mean elev. (basins)
401m
Watersheds crossing here
- Basin #38800sub-area1 063,1 km²overlap1059.28 km²38%
- Basin #38670sub-area818,3 km²overlap576.64 km²21%
- Basin #39910sub-area504,7 km²overlap430.17 km²15%
- Basin #56090sub-area1 166,5 km²overlap230.94 km²8%
- Basin #35920sub-area1 005,7 km²overlap184.16 km²7%
- Basin #35780sub-area480,1 km²overlap168.11 km²6%
- Basin #56270sub-area568,7 km²overlap145.87 km²5%
- Basin #39900sub-area1 599,4 km²overlap16.04 km²1%
- Basin #40590sub-area86,7 km²overlap0.70 km²0%
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
19,1%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Applicable · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN