Ontologia

Local Authority · NGA

Yala

Nigeria

AwTropical, savannah(100 %)

Species observed

87

Observations

337

Area

1 759km²

Ecological tissue

Sample of 25 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 Yala : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
20
Connectance
0.067
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

87 distinct species · 337 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

337 obs · 14 cellules
Obs. / cellule
≥ 70
62–69
51–61
5–50
< 5

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 790mm

Warmest m°

36,4°C

Coldest m°

22,7°C

Elevation: 66 m on average (min 25 m, max 196 m)

Bioclimatic detailsExpert
Annual mean temp.
27,6°C
Annual rain
1 790mm
Warmest month
36,4°C
Coldest month
22,7°C
Mean alt.
66m
Min
25m
Max
196m
Std. dev.
24m
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

5,6

Org. C

15,6g/kg

Clay

26,3%

Sand

48,6%

Silt

25,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
20,3g/kg
Clay
23,5%
Sand
51,0%
Silt
25,5%
5–15 cm
pH H₂O
5,6
Org. C
15,2g/kg
Clay
24,6%
Sand
49,8%
Silt
25,6%
15–30 cm
pH H₂O
5,6
Org. C
11,3g/kg
Clay
30,8%
Sand
45,1%
Silt
24,1%

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

Land cover

Forest22.5%
Crops25.1%
Built-up0.6%
Bare soil0.1%
Other (grassland, water…)51.7%

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

Hydrology10 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

169,9km

Basins crossed

10

Max stream order

6

Max drainage

16 368km²

Discharge in basins

468,1m³/s

Mean precip.

1 798mm/an

Mean T°

27,1°C

Moisture idx

0,05

Mean runoff

1 084mm/an

Mean elev. (basins)

93m

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

62,5%

Pesticides

42,6kg/km²

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

Protected areas2

IUCN Not Reported · 2

Gabu

IUCN Not Reported

Forest Reserve

73 km²

Yache

IUCN Not Reported

Forest Reserve

68 km²

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