Ontologia

Local Authority · NGA

Madagali

Nigeria

AwTropical, savannah(100 %)

Species observed

105

Observations

248

Area

582,8km²

Ecological tissue

Sample of 26 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 Madagali : 19 espèces reliées par 32 interactions GloBI sur 3 types (connectance 9.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
32
Connectance
0.091
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

105 distinct species · 248 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

248 obs · 9 cellules
Obs. / cellule
≥ 73
73–72
37–72
28–36
< 28

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,3°C

Annual rain

1 364mm

Warmest m°

36,7°C

Coldest m°

13,5°C

Elevation: 604 m on average (min 415 m, max 1 055 m)

Bioclimatic detailsExpert
Annual mean temp.
25,3°C
Annual rain
1 364mm
Warmest month
36,7°C
Coldest month
13,5°C
Mean alt.
604m
Min
415m
Max
1 055m
Std. dev.
179m
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

6,4

Org. C

9,5g/kg

Clay

21,4%

Sand

58,8%

Silt

19,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
12,9g/kg
Clay
19,1%
Sand
60,9%
Silt
20,0%
5–15 cm
pH H₂O
6,4
Org. C
9,7g/kg
Clay
20,8%
Sand
59,2%
Silt
20,0%
15–30 cm
pH H₂O
6,4
Org. C
6,0g/kg
Clay
24,4%
Sand
56,1%
Silt
19,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest9.9%
Crops36.5%
Built-up0.7%
Bare soil0.8%
Other (grassland, water…)52.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology6 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

46,6km

Basins crossed

6

Max stream order

3

Max drainage

4 379km²

Discharge in basins

2,3m³/s

Mean precip.

834mm/an

Mean T°

25,8°C

Moisture idx

-0,58

Mean runoff

107mm/an

Mean elev. (basins)

491m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

3hab/km²

Night light

0,0nW

Built-up

71,6%

Pesticides

36,0kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)