Numan
IUCN Not ReportedForest Reserve
1 km²
Local Authority · NGA
Numan
Nigeria
AwTropical, savannah(64 %)
Species observed
161
Observations
518
Area
810km²
Ecological tissue
Sample of 22 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 Numan : 19 espèces reliées par 17 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
22
Interactions affichées
17
Connectance
0.074
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
161 distinct species · 518 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,1°C
Annual rain
610mm
Warmest m°
39,3°C
Coldest m°
18,9°C
Elevation: 167 m on average (min 131 m, max 340 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,1°C
Annual rain
610mm
Warmest month
39,3°C
Coldest month
18,9°C
Mean alt.
167m
Min
131m
Max
340m
Std. dev.
33m
Köppen-Geiger (dominant)
AwTropical, savannah(64 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
13,8g/kg
Clay
35,4%
Sand
36,7%
Silt
28,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
20,9g/kg
Clay
35,4%
Sand
36,0%
Silt
28,5%
5–15 cm
pH H₂O
6,6
Org. C
13,3g/kg
Clay
34,2%
Sand
37,7%
Silt
28,1%
15–30 cm
pH H₂O
6,6
Org. C
7,1g/kg
Clay
36,5%
Sand
36,3%
Silt
27,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest7.2%
Crops40.0%
Built-up0.6%
Bare soil1.0%
Other (grassland, water…)51.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 7 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
56,2km
Lake surface here
7,44km²
Basins crossed
6
Max stream order
7
Max drainage
170 518km²
Discharge in basins
433,8m³/s
Mean precip.
952mm/an
Mean T°
27,1°C
Moisture idx
-0,51
Mean runoff
133mm/an
Mean elev. (basins)
263m
Watersheds crossing here
- Bassin de Benue Riversub-area1 655,9 km²overlap303.97 km²38%
- Bassin de Benuesub-area978,2 km²overlap208.20 km²26%
- Bassin de Benue Riversub-area2 671,2 km²overlap112.06 km²14%
- Bassin de Gongolasub-area2 114,9 km²overlap86.51 km²11%
- Bassin de River Kuninisub-area2 272 km²overlap73.67 km²9%
- Bassin de Benue Riversub-area170,6 km²overlap25.53 km²3%
Lakes (7, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
59,6%
Pesticides
42,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN