Ontologia

Local Authority · NGA

Calabar South

Nigeria

AmTropical, monsoon(100 %)

Species observed

85

Observations

243

Area

181,4km²

Ecological tissue

Sample of 22 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 Calabar South : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
17
Connectance
0.074
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

85 distinct species · 243 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

243 obs · 6 cellules
Obs. / cellule
≥ 214
214–213
16–213
10–15
< 10

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 732mm

Warmest m°

31,1°C

Coldest m°

22,9°C

Elevation: 3 m on average (min -6 m, max 26 m)

Bioclimatic detailsExpert
Annual mean temp.
26,1°C
Annual rain
2 732mm
Warmest month
31,1°C
Coldest month
22,9°C
Mean alt.
3m
Min
-6m
Max
26m
Std. dev.
3m
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

5,1

Org. C

40,6g/kg

Clay

24,5%

Sand

64,2%

Silt

11,3%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
46,5g/kg
Clay
23,7%
Sand
64,8%
Silt
11,5%
5–15 cm
pH H₂O
5,2
Org. C
38,7g/kg
Clay
23,3%
Sand
65,5%
Silt
11,2%
15–30 cm
pH H₂O
5,1
Org. C
36,6g/kg
Clay
26,5%
Sand
62,5%
Silt
11,0%

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

Land cover

Forest61.5%
Crops0.1%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)38.2%

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

Hydrology5 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

45,1km

Basins crossed

5

Max stream order

7

Max drainage

52 699km²

Discharge in basins

130,0m³/s

Mean precip.

2 699mm/an

Mean T°

26,4°C

Moisture idx

0,41

Mean runoff

1 822mm/an

Mean elev. (basins)

58m

Watersheds crossing here

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

Human pressure

Pop. density

11hab/km²

Night light

0,0nW

Built-up

8,0%

Pesticides

38,5kg/km²

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