Bas Ogooue
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2009
13 637 km²
Department · GAB
Ndolou
Gabon
AwTropical, savannah(85 %)
Species observed
702
Observations
4 268
Area
4 284,3km²
Ecological tissue
Sample of 6 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 Ndolou : 6 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2).
Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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
702 distinct species · 4 268 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
24,8°C
Annual rain
2 373mm
Warmest m°
30,3°C
Coldest m°
19,4°C
Elevation: 118 m on average (min 7 m, max 625 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
24,8°C
Annual rain
2 373mm
Warmest month
30,3°C
Coldest month
19,4°C
Mean alt.
118m
Min
7m
Max
625m
Std. dev.
95m
Köppen-Geiger (dominant)
AwTropical, savannah(85 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
4,9
Org. C
29,1g/kg
Clay
24,7%
Sand
51,7%
Silt
23,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,9
Org. C
39,7g/kg
Clay
24,5%
Sand
51,9%
Silt
23,6%
5–15 cm
pH H₂O
4,9
Org. C
27,5g/kg
Clay
24,1%
Sand
52,4%
Silt
23,5%
15–30 cm
pH H₂O
4,9
Org. C
20,2g/kg
Clay
25,6%
Sand
51,0%
Silt
23,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest95.1%
Crops0.2%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)4.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology12 basins · 7 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
368,9km
Lake surface here
2,27km²
Basins crossed
12
Max stream order
5
Max drainage
23 654km²
Discharge in basins
286,4m³/s
Mean precip.
2 019mm/an
Mean T°
25,6°C
Moisture idx
0,16
Mean runoff
1 068mm/an
Mean elev. (basins)
133m
Watersheds crossing here
- Bassin de Ovanguésub-area1 347,7 km²overlap1329.90 km²31%
- Bassin de Ofoubousub-area768,8 km²overlap746.76 km²17%
- Bassin de Oviguisub-area2 239,4 km²overlap732.83 km²17%
- Bassin de Niémbisub-area997,5 km²overlap417.97 km²10%
- Bassin de Rembo N'Komisub-area809,2 km²overlap341.18 km²8%
- Bassin de Rembo N'Komisub-area242,1 km²overlap241.06 km²6%
- Bassin de Douenguisub-area908,7 km²overlap216.14 km²5%
- Basin #91040sub-area479,8 km²overlap117.71 km²3%
- Bassin de Ezangasub-area1 983 km²overlap115.33 km²3%
Lakes (7, top by area)
Rivers / streams (7, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
1,4%
Pesticides
17,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 3IUCN II · 1🌊 Marine · 2
Parc national de Moukalaba - Doudou
IUCN IINational park · 2002
4 472 km²
Domaine de chasse de Ngove-Ndogo
IUCN Not ReportedHunting Area · 1966
2 769 km²
Domaine de chasse de Iguela
IUCN Not ReportedHunting Area · 1966
795 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN