Ontologia

Local Authority · NGA

Ayamelum

Nigeria

AwTropical, savannah(100 %)

Species observed

91

Observations

254

Area

567,6km²

Ecological tissue

Sample of 14 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 Ayamelum : 12 espèces reliées par 10 interactions GloBI sur 2 types (connectance 9.5%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
10
Connectance
0.095
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

91 distinct species · 254 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

254 obs · 9 cellules
Obs. / cellule
≥ 80
80–79
59–79
8–58
< 8

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

Climate

Mean T°

27,3°C

Annual rain

1 765mm

Warmest m°

35,8°C

Coldest m°

22,9°C

Elevation: 39 m on average (min 20 m, max 93 m)

Bioclimatic detailsExpert
Annual mean temp.
27,3°C
Annual rain
1 765mm
Warmest month
35,8°C
Coldest month
22,9°C
Mean alt.
39m
Min
20m
Max
93m
Std. dev.
15m
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

5,5

Org. C

12,2g/kg

Clay

23,4%

Sand

33,9%

Silt

42,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
18,4g/kg
Clay
21,8%
Sand
34,8%
Silt
43,4%
5–15 cm
pH H₂O
5,5
Org. C
10,4g/kg
Clay
21,9%
Sand
34,6%
Silt
43,5%
15–30 cm
pH H₂O
5,4
Org. C
7,9g/kg
Clay
26,6%
Sand
32,2%
Silt
41,2%

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

Land cover

Forest18.7%
Crops24.7%
Built-up0.5%
Bare soil0.6%
Other (grassland, water…)55.6%

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

Hydrology3 basins · 5 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

74,6km

Lake surface here

1,20km²

Basins crossed

3

Max stream order

5

Max drainage

9 689km²

Discharge in basins

64,7m³/s

Mean precip.

1 595mm/an

Mean T°

27,1°C

Moisture idx

-0,04

Mean runoff

1 029mm/an

Mean elev. (basins)

71m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

3hab/km²

Night light

0,0nW

Built-up

47,6%

Pesticides

39,3kg/km²

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

Protected areas1

IUCN Not Reported · 1

Anambra

IUCN Not Reported

Forest Reserve

151 km²

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