Ontologia

State · nga

Kaduna

Nigeria

AwTropical, savannah(100 %)

Species observed

2 063

Observations

32 911

Area

44 315km²

Ecological tissue

Sample of 32 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 Kaduna : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 4 types (connectance 5.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
29
Connectance
0.059
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

2 063 distinct species · 32 911 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

32 911 obs · 570 cellules
Obs. / cellule
≥ 643
103–642
40–102
22–39
< 22

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

Climate

Mean T°

25,1°C

Annual rain

1 291mm

Warmest m°

35,6°C

Coldest m°

17,1°C

Elevation: 640 m on average (min 263 m, max 1 268 m)

Bioclimatic detailsExpert
Annual mean temp.
25,1°C
Annual rain
1 291mm
Warmest month
35,6°C
Coldest month
17,1°C
Mean alt.
640m
Min
263m
Max
1 268m
Std. dev.
112m
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

5,8

Org. C

9,7g/kg

Clay

21,4%

Sand

53,6%

Silt

25,0%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
12,7g/kg
Clay
18,0%
Sand
56,4%
Silt
25,7%
5–15 cm
pH H₂O
5,8
Org. C
9,4g/kg
Clay
20,1%
Sand
54,5%
Silt
25,4%
15–30 cm
pH H₂O
5,8
Org. C
7,0g/kg
Clay
26,2%
Sand
49,9%
Silt
23,9%

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

Land cover

Forest15.4%
Crops31.6%
Built-up0.7%
Bare soil1.1%
Other (grassland, water…)51.3%

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

Hydrology98 basins · 14 lakes · 26 rivers

Hydrology metrics for this exact territory

Stream length here

2 000,5km

Lake surface here

64,09km²

Basins crossed

98

Max stream order

6

Max drainage

27 650km²

Discharge in basins

1 800,1m³/s

Mean precip.

1 250mm/an

Mean T°

25,1°C

Moisture idx

-0,31

Mean runoff

296mm/an

Mean elev. (basins)

645m

Watersheds crossing here

89 more basins

Lakes (14, top by area)

5 more lakes

Rivers / streams (26, ord ≥ 4)

14 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

0,1nW

Built-up

64,7%

Pesticides

40,6kg/km²

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

Protected areas82

IUCN Not Reported · 80IUCN IV · 1IUCN II · 1

Kwaimbana

IUCN Not Reported

Forest Reserve

2 603 km²

Kuyambana

IUCN Not Reported

Game Reserve · 1971

1 708 km²

Alawa

IUCN Not Reported

National Park · 2020

670 km²

Kogo

IUCN Not Reported

National Park · 2020

639 km²

Complete list

+ 22 protected areas (top 60 shown)

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations23