Ontologia

State · nga

Nasarawa

Nigeria

AwTropical, savannah(100 %)

Species observed

900

Observations

20 654

Area

26 326,6km²

Ecological tissue

Sample of 18 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 Nasarawa : 15 espèces reliées par 19 interactions GloBI sur 3 types (connectance 11.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
19
Connectance
0.111
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

900 distinct species · 20 654 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 654 obs · 370 cellules
Obs. / cellule
≥ 444
127–443
73–126
33–72
< 33

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

Climate

Mean T°

27,6°C

Annual rain

1 298mm

Warmest m°

36,7°C

Coldest m°

21,5°C

Elevation: 225 m on average (min 42 m, max 1 213 m)

Bioclimatic detailsExpert
Annual mean temp.
27,6°C
Annual rain
1 298mm
Warmest month
36,7°C
Coldest month
21,5°C
Mean alt.
225m
Min
42m
Max
1 213m
Std. dev.
132m
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

12,0g/kg

Clay

19,4%

Sand

62,2%

Silt

18,4%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
17,3g/kg
Clay
18,9%
Sand
62,5%
Silt
18,6%
5–15 cm
pH H₂O
5,7
Org. C
10,5g/kg
Clay
17,7%
Sand
63,5%
Silt
18,8%
15–30 cm
pH H₂O
5,7
Org. C
8,1g/kg
Clay
21,5%
Sand
60,7%
Silt
17,8%

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

Land cover

Forest19.0%
Crops30.0%
Built-up0.5%
Bare soil0.8%
Other (grassland, water…)49.7%

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

Hydrology68 basins · 11 lakes · 14 rivers

Hydrology metrics for this exact territory

Stream length here

1 164,5km

Lake surface here

12,79km²

Basins crossed

68

Max stream order

7

Max drainage

338 324km²

Discharge in basins

27 870,7m³/s

Mean precip.

1 337mm/an

Mean T°

26,8°C

Moisture idx

-0,26

Mean runoff

377mm/an

Mean elev. (basins)

250m

Watersheds crossing here

59 more basins

Lakes (11, top by area)

2 more lakes

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

53,2%

Pesticides

42,1kg/km²

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

Protected areas31

IUCN Not Reported · 31📍 Point sites · 2

Doma

IUCN Not Reported

Forest Reserve

989 km²

Ambakar

IUCN Not Reported

Forest Reserve

152 km²

Marhai

IUCN Not Reported

National Park · 2020

69 km²

Sherigia

IUCN Not Reported

Forest Reserve

46 km²

Complete list

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

Sub-administrations12