Ontologia

Local Authority · NGA

Obi Ngwa

Nigeria

AmTropical, monsoon(100 %)

Species observed

95

Observations

185

Area

372,9km²

Ecological tissue

Sample of 18 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 Obi Ngwa : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 4 types (connectance 10.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
20
Connectance
0.105
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

95 distinct species · 185 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

185 obs · 6 cellules
Obs. / cellule
≥ 118
118–117
29–117
17–28
< 17

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

Climate

Mean T°

25,6°C

Annual rain

2 397mm

Warmest m°

33,1°C

Coldest m°

21,7°C

Elevation: 69 m on average (min 36 m, max 108 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
2 397mm
Warmest month
33,1°C
Coldest month
21,7°C
Mean alt.
69m
Min
36m
Max
108m
Std. dev.
15m
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

21,6g/kg

Clay

19,3%

Sand

73,3%

Silt

7,4%

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
29,2g/kg
Clay
17,3%
Sand
74,9%
Silt
7,8%
5–15 cm
pH H₂O
5,2
Org. C
22,5g/kg
Clay
17,9%
Sand
74,7%
Silt
7,4%
15–30 cm
pH H₂O
5,1
Org. C
13,1g/kg
Clay
22,8%
Sand
70,2%
Silt
7,0%

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

Land cover

Forest32.5%
Crops8.5%
Built-up5.2%
Bare soil0.4%
Other (grassland, water…)53.4%

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

Hydrology4 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

24,6km

Basins crossed

4

Max stream order

3

Max drainage

5 774km²

Discharge in basins

19,4m³/s

Mean precip.

2 364mm/an

Mean T°

26,3°C

Moisture idx

0,34

Mean runoff

1 589mm/an

Mean elev. (basins)

80m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

6hab/km²

Night light

0,4nW

Built-up

514,5%

Pesticides

38,8kg/km²

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