Ontologia

Local Authority · NGA

Itas/Gadau

Nigeria

BShArid, steppe, hot(83 %)

Species observed

179

Observations

1 102

Area

1 539,7km²

Ecological tissue

Sample of 21 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 Itas/Gadau : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
13
Connectance
0.062
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

179 distinct species · 1 102 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 102 obs · 22 cellules
Obs. / cellule
≥ 116
90–115
62–89
48–61
< 48

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

Climate

Mean T°

26,9°C

Annual rain

665mm

Warmest m°

38,9°C

Coldest m°

13,5°C

Elevation: 381 m on average (min 368 m, max 403 m)

Bioclimatic detailsExpert
Annual mean temp.
26,9°C
Annual rain
665mm
Warmest month
38,9°C
Coldest month
13,5°C
Mean alt.
381m
Min
368m
Max
403m
Std. dev.
6m
Köppen-Geiger (dominant)
BShArid, steppe, hot(83 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,7

Org. C

6,3g/kg

Clay

12,1%

Sand

72,4%

Silt

15,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
8,1g/kg
Clay
11,3%
Sand
73,1%
Silt
15,6%
5–15 cm
pH H₂O
6,7
Org. C
5,9g/kg
Clay
12,9%
Sand
71,6%
Silt
15,4%
15–30 cm
pH H₂O
6,7
Org. C
5,0g/kg
Clay
12,0%
Sand
72,4%
Silt
15,6%

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

Land cover

Forest4.2%
Crops44.8%
Built-up0.4%
Bare soil1.3%
Other (grassland, water…)49.3%

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

Hydrology9 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,33km²

Basins crossed

9

Max drainage

13 978km²

Discharge in basins

53,5m³/s

Mean precip.

729mm/an

Mean T°

26,6°C

Moisture idx

-0,65

Mean runoff

86mm/an

Mean elev. (basins)

388m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

40,8%

Pesticides

29,6kg/km²

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

Protected areas6

IUCN Not Reported · 6

Wushishi

IUCN Not Reported

Forest Reserve

121 km²

Gadau

IUCN Not Reported

Forest Reserve

66 km²

Lizai

IUCN Not Reported

Forest Reserve

28 km²

Madara

IUCN Not Reported

Forest Reserve

14 km²

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