Ontologia

Local Authority · NGA

Kolokuma/Opokuma

Nigeria

AmTropical, monsoon(100 %)

Species observed

182

Observations

698

Area

442,2km²

Ecological tissue

Sample of 17 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 Kolokuma/Opokuma : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 1 type (connectance 22.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
34
Connectance
0.222
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

182 distinct species · 698 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

698 obs · 9 cellules
Obs. / cellule
≥ 189
189–188
156–188
74–155
< 74

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

Climate

Mean T°

26,1°C

Annual rain

2 749mm

Warmest m°

32,3°C

Coldest m°

22,5°C

Elevation: 11 m on average (min 6 m, max 16 m)

Bioclimatic detailsExpert
Annual mean temp.
26,1°C
Annual rain
2 749mm
Warmest month
32,3°C
Coldest month
22,5°C
Mean alt.
11m
Min
6m
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

24,4g/kg

Clay

29,0%

Sand

31,4%

Silt

39,6%

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
35,1g/kg
Clay
29,0%
Sand
31,8%
Silt
39,2%
5–15 cm
pH H₂O
5,2
Org. C
23,8g/kg
Clay
29,6%
Sand
31,1%
Silt
39,3%
15–30 cm
pH H₂O
5,2
Org. C
14,3g/kg
Clay
28,3%
Sand
31,4%
Silt
40,4%

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

Land cover

Forest65.1%
Crops1.0%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)33.0%

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

Hydrology5 basins · 4 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

107,9km

Lake surface here

0,69km²

Basins crossed

5

Max stream order

8

Max drainage

2 097 798km²

Discharge in basins

2 015,5m³/s

Mean precip.

2 529mm/an

Mean T°

26,7°C

Moisture idx

0,36

Mean runoff

1 568mm/an

Mean elev. (basins)

24m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,2nW

Built-up

46,6%

Pesticides

31,4kg/km²

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

Protected areas3

IUCN Not Reported · 3📍 Point sites · 1

Nun River

IUCN Not Reported

Forest Reserve

92 km²

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