Ontologia

Local Authority · NGA

Hawul

Nigeria

AwTropical, savannah(94 %)

Species observed

243

Observations

806

Area

2 070,6km²

Ecological tissue

Sample of 28 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 Hawul : 20 espèces reliées par 32 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
32
Connectance
0.079
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

243 distinct species · 806 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

806 obs · 25 cellules
Obs. / cellule
≥ 102
62–101
44–61
39–43
< 39

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

Climate

Mean T°

27,0°C

Annual rain

863mm

Warmest m°

38,5°C

Coldest m°

16,6°C

Elevation: 478 m on average (min 227 m, max 864 m)

Bioclimatic detailsExpert
Annual mean temp.
27,0°C
Annual rain
863mm
Warmest month
38,5°C
Coldest month
16,6°C
Mean alt.
478m
Min
227m
Max
864m
Std. dev.
148m
Köppen-Geiger (dominant)
AwTropical, savannah(94 %)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

9,7g/kg

Clay

25,8%

Sand

47,7%

Silt

26,5%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
13,6g/kg
Clay
23,5%
Sand
49,5%
Silt
27,0%
5–15 cm
pH H₂O
6,6
Org. C
9,4g/kg
Clay
25,5%
Sand
47,9%
Silt
26,6%
15–30 cm
pH H₂O
6,6
Org. C
6,2g/kg
Clay
28,3%
Sand
45,7%
Silt
26,0%

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

Land cover

Forest7.3%
Crops42.2%
Built-up0.4%
Bare soil1.0%
Other (grassland, water…)49.1%

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

Hydrology14 basins · 2 lakes · 22 rivers

Hydrology metrics for this exact territory

Stream length here

393,2km

Lake surface here

0,37km²

Basins crossed

14

Max stream order

5

Max drainage

11 267km²

Discharge in basins

88,1m³/s

Mean precip.

873mm/an

Mean T°

25,4°C

Moisture idx

-0,55

Mean runoff

118mm/an

Mean elev. (basins)

473m

Watersheds crossing here

5 more basins

Lakes (2, top by area)

Rivers / streams (22, ord ≥ 4)

10 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

37,9%

Pesticides

35,8kg/km²

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

Protected areas7

IUCN Not Reported · 7

Gardemna

IUCN Not Reported

Forest Reserve

67 km²

Kogin Zur

IUCN Not Reported

Forest Reserve

13 km²

Complete list

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