Cross River South
IUCN Not ReportedForest Reserve
806 km²
Local Authority · NGA
Obubra
Nigeria
AwTropical, savannah(81 %)
Species observed
306
Observations
605
Area
1 156,5km²
Ecological tissue
Sample of 39 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 Obubra : 31 espèces reliées par 38 interactions GloBI sur 3 types (connectance 5.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
38
Connectance
0.051
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
306 distinct species · 605 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,8°C
Annual rain
2 060mm
Warmest m°
35,3°C
Coldest m°
22,4°C
Elevation: 62 m on average (min 16 m, max 255 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,8°C
Annual rain
2 060mm
Warmest month
35,3°C
Coldest month
22,4°C
Mean alt.
62m
Min
16m
Max
255m
Std. dev.
46m
Köppen-Geiger (dominant)
AwTropical, savannah(81 %)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
20,4g/kg
Clay
24,3%
Sand
58,3%
Silt
17,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
28,1g/kg
Clay
21,4%
Sand
60,8%
Silt
17,8%
5–15 cm
pH H₂O
5,4
Org. C
20,2g/kg
Clay
22,8%
Sand
59,7%
Silt
17,6%
15–30 cm
pH H₂O
5,4
Org. C
13,0g/kg
Clay
28,8%
Sand
54,5%
Silt
16,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.6%
Crops16.6%
Built-up0.5%
Bare soil0.7%
Other (grassland, water…)47.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology12 basins · 2 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
214,8km
Lake surface here
0,69km²
Basins crossed
12
Max stream order
7
Max drainage
39 531km²
Discharge in basins
6 228,9m³/s
Mean precip.
2 168mm/an
Mean T°
27,1°C
Moisture idx
0,24
Mean runoff
1 500mm/an
Mean elev. (basins)
87m
Watersheds crossing here
- Bassin de Okwosub-area844,3 km²overlap399.39 km²35%
- Bassin de Acharasub-area163,4 km²overlap162.71 km²14%
- Bassin de Crosssub-area222,6 km²overlap160.25 km²14%
- Bassin de Upkonsub-area745,9 km²overlap114.50 km²10%
- Bassin de Crosssub-area269 km²overlap70.60 km²6%
- Bassin de Crosssub-area76,8 km²overlap66.47 km²6%
- Bassin de Anyimsub-area620,7 km²overlap57.74 km²5%
- Bassin de Ophiesub-area138 km²overlap47.94 km²4%
- Bassin de Crosssub-area35,2 km²overlap35.03 km²3%
Lakes (2, top by area)
Rivers / streams (7, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Built-up
50,0%
Pesticides
42,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN