Partie Camerounaise du Fleuve Ntem
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2012
357 km²
Commune · CMR
Olamzé
Cameroon
AmTropical, monsoon(95 %)
Species observed
145
Observations
212
Area
550,4km²
Ecological tissue
Sample of 4 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 Olamzé : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).
Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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
145 distinct species · 212 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
23,3°C
Annual rain
1 826mm
Warmest m°
29,1°C
Coldest m°
19,9°C
Elevation: 558 m on average (min 507 m, max 606 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
23,3°C
Annual rain
1 826mm
Warmest month
29,1°C
Coldest month
19,9°C
Mean alt.
558m
Min
507m
Max
606m
Std. dev.
20m
Köppen-Geiger (dominant)
AmTropical, monsoon(95 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
4,7
Org. C
31,9g/kg
Clay
47,1%
Sand
41,7%
Silt
11,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Vallée du Ntem
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,7
Org. C
56,0g/kg
Clay
44,2%
Sand
44,0%
Silt
11,8%
5–15 cm
pH H₂O
4,7
Org. C
27,5g/kg
Clay
46,3%
Sand
42,4%
Silt
11,3%
15–30 cm
pH H₂O
4,7
Org. C
12,2g/kg
Clay
50,7%
Sand
38,6%
Silt
10,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest90.0%
Crops0.6%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)9.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
141,4km
Basins crossed
9
Max stream order
6
Max drainage
22 348km²
Discharge in basins
568,5m³/s
Mean precip.
1 897mm/an
Mean T°
23,2°C
Moisture idx
0,21
Mean runoff
896mm/an
Mean elev. (basins)
582m
Watersheds crossing here
- Bassin de Río Camposub-area459,2 km²overlap185.89 km²34%
- Bassin de Río Camposub-area912,9 km²overlap113.11 km²21%
- Bassin de Río Camposub-area393,6 km²overlap104.30 km²19%
- Bassin de Río Camposub-area280,1 km²overlap47.19 km²9%
- Bassin de Río Camposub-area148,1 km²overlap47.17 km²9%
- Bassin de Río Mbinisub-area567,3 km²overlap29.34 km²5%
- Bassin de Río Camposub-area29,4 km²overlap20.36 km²4%
- Bassin de Río Mbinisub-area1 302,4 km²overlap2.27 km²0%
- Bassin de Mborosub-area2 157 km²overlap0.72 km²0%
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
9,3%
Pesticides
1,0kg/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