Ontologia

State · nga

Abia

Nigeria

AmTropical, monsoon(73 %)

Species observed

540

Observations

3 495

Area

4 724km²

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 Abia : 19 espèces reliées par 23 interactions GloBI sur 3 types (connectance 7.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
23
Connectance
0.077
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

540 distinct species · 3 495 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 495 obs · 89 cellules
Obs. / cellule
≥ 679
105–678
34–104
18–33
< 18

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

Climate

Mean T°

25,9°C

Annual rain

2 214mm

Warmest m°

34,1°C

Coldest m°

21,8°C

Elevation: 91 m on average (min 6 m, max 370 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
2 214mm
Warmest month
34,1°C
Coldest month
21,8°C
Mean alt.
91m
Min
6m
Max
370m
Std. dev.
52m
Köppen-Geiger (dominant)
AmTropical, monsoon(73 %)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

21,0g/kg

Clay

18,5%

Sand

73,0%

Silt

8,4%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
29,0g/kg
Clay
16,4%
Sand
74,9%
Silt
8,7%
5–15 cm
pH H₂O
5,2
Org. C
21,3g/kg
Clay
17,2%
Sand
74,3%
Silt
8,5%
15–30 cm
pH H₂O
5,2
Org. C
12,7g/kg
Clay
21,9%
Sand
69,9%
Silt
8,1%

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

Land cover

Forest41.5%
Crops6.5%
Built-up3.0%
Bare soil0.2%
Other (grassland, water…)48.9%

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

Hydrology11 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

209,0km

Basins crossed

11

Max stream order

5

Max drainage

49 259km²

Discharge in basins

774,1m³/s

Mean precip.

2 237mm/an

Mean T°

26,5°C

Moisture idx

0,29

Mean runoff

1 507mm/an

Mean elev. (basins)

81m

Watersheds crossing here

2 more basins

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

Human pressure

Pop. density

8hab/km²

Night light

0,3nW

Built-up

297,2%

Pesticides

40,1kg/km²

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

Protected areas6

IUCN Not Reported · 6

Obeaku

IUCN Not Reported

Forest Reserve

24 km²

Ogu Itu

IUCN Not Reported

Forest Reserve

4 km²

Eme River

IUCN Not Reported

Forest Reserve

2 km²

Kalunta

IUCN Not Reported

Forest Reserve

2 km²

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

Sub-administrations17