Ontologia

Local Authority · NGA

Warri North

Nigeria

AmTropical, monsoon(100 %)

Species observed

97

Observations

224

Area

1 632,5km²

Ecological tissue

Sample of 12 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 Warri North : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 3 types (connectance 18.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
12
Interactions affichées
12
Connectance
0.182
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

97 distinct species · 224 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

224 obs · 13 cellules
Obs. / cellule
≥ 84
22–83
20–21
16–19
< 16

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

Climate

Mean T°

26,2°C

Annual rain

2 455mm

Warmest m°

30,7°C

Coldest m°

23,1°C

Elevation: 5 m on average (min -4 m, max 16 m)

Bioclimatic detailsExpert
Annual mean temp.
26,2°C
Annual rain
2 455mm
Warmest month
30,7°C
Coldest month
23,1°C
Mean alt.
5m
Min
-4m
Max
16m
Std. dev.
2m
Köppen-Geiger (dominant)
AmTropical, monsoon(100 %)Tropical

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

Soil & lithology

pH H₂O

5,2

Org. C

34,6g/kg

Clay

25,1%

Sand

54,7%

Silt

20,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
44,9g/kg
Clay
23,7%
Sand
55,9%
Silt
20,4%
5–15 cm
pH H₂O
5,2
Org. C
35,0g/kg
Clay
24,5%
Sand
55,1%
Silt
20,4%
15–30 cm
pH H₂O
5,2
Org. C
23,9g/kg
Clay
27,3%
Sand
53,0%
Silt
19,7%

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

Land cover

Forest58.4%
Crops0.4%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)41.2%

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

Hydrology15 basins · 0 lakes · 23 rivers

Hydrology metrics for this exact territory

Stream length here

294,8km

Basins crossed

15

Max stream order

6

Max drainage

14 099km²

Discharge in basins

902,4m³/s

Mean precip.

2 508mm/an

Mean T°

26,7°C

Moisture idx

0,38

Mean runoff

1 432mm/an

Mean elev. (basins)

14m

Watersheds crossing here

6 more basins

Rivers / streams (23, ord ≥ 4)

11 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

3,4nW

Built-up

9,6%

Pesticides

36,9kg/km²

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

Protected areas6

IUCN Not Reported · 5IUCN IV · 1🌊 Marine · 3

Olague

IUCN Not Reported

Forest Reserve

233 km²

Ekenwan

IUCN Not Reported

Forest Reserve

211 km²

Ologbo

IUCN Not Reported

Forest Reserve · 1981

181 km²

Ukpe-Sobo

IUCN Not Reported

Forest Reserve

158 km²

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