Ontologia

Local Authority · NGA

Keana

Nigeria

AwTropical, savannah(100 %)

Species observed

70

Observations

262

Area

1 050,9km²

Ecological tissue

Sample of 15 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 Keana : 13 espèces reliées par 16 interactions GloBI sur 3 types (connectance 13.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
16
Connectance
0.133
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

70 distinct species · 262 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

262 obs · 11 cellules
Obs. / cellule
≥ 54
52–53
42–51
13–41
< 13

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

Climate

Mean T°

28,1°C

Annual rain

1 241mm

Warmest m°

37,1°C

Coldest m°

22,6°C

Elevation: 156 m on average (min 101 m, max 222 m)

Bioclimatic detailsExpert
Annual mean temp.
28,1°C
Annual rain
1 241mm
Warmest month
37,1°C
Coldest month
22,6°C
Mean alt.
156m
Min
101m
Max
222m
Std. dev.
25m
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

12,4g/kg

Clay

19,5%

Sand

59,4%

Silt

21,1%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
18,4g/kg
Clay
19,3%
Sand
59,3%
Silt
21,4%
5–15 cm
pH H₂O
5,9
Org. C
10,4g/kg
Clay
18,1%
Sand
60,5%
Silt
21,5%
15–30 cm
pH H₂O
5,8
Org. C
8,3g/kg
Clay
21,2%
Sand
58,4%
Silt
20,4%

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

Land cover

Forest18.9%
Crops29.6%
Built-up0.2%
Bare soil0.2%
Other (grassland, water…)51.1%

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

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

2 235km²

Discharge in basins

12,5m³/s

Mean precip.

1 283mm/an

Mean T°

27,3°C

Moisture idx

-0,29

Mean runoff

373mm/an

Mean elev. (basins)

151m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

21,9%

Pesticides

40,8kg/km²

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

Protected areas2

IUCN Not Reported · 2

Akanga

IUCN Not Reported

Forest Reserve

4 km²

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