Bas Ogooue
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2009
13 637 km²
Department · GAB
Étimboué
Gabon
AwTropical, savannah(94 %)
Species observed
2 482
Observations
41 142
Area
8 919,4km²
Ecological tissue
Sample of 18 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 Étimboué : 17 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 2 types (connectance 9.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
18
Interactions affichées
14
Connectance
0.091
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 482 distinct species · 41 142 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,2°C
Annual rain
2 365mm
Warmest m°
29,9°C
Coldest m°
20,5°C
Elevation: 24 m on average (min -44 m, max 628 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
25,2°C
Annual rain
2 365mm
Warmest month
29,9°C
Coldest month
20,5°C
Mean alt.
24m
Min
-44m
Max
628m
Std. dev.
28m
Köppen-Geiger (dominant)
AwTropical, savannah(94 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,0
Org. C
32,9g/kg
Clay
26,5%
Sand
49,1%
Silt
24,4%
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
5,0
Org. C
41,5g/kg
Clay
26,2%
Sand
49,4%
Silt
24,4%
5–15 cm
pH H₂O
5,0
Org. C
31,2g/kg
Clay
26,0%
Sand
49,5%
Silt
24,5%
15–30 cm
pH H₂O
5,0
Org. C
26,1g/kg
Clay
27,4%
Sand
48,4%
Silt
24,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest86.2%
Crops0.6%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)13.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology24 basins · 13 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
594,5km
Lake surface here
651,27km²
Basins crossed
24
Max stream order
5
Max drainage
215 218km²
Discharge in basins
856,3m³/s
Mean precip.
1 994mm/an
Mean T°
25,7°C
Moisture idx
0,22
Mean runoff
897mm/an
Mean elev. (basins)
41m
Watersheds crossing here
- Bassin de Rembo N'Komisub-area2 417,7 km²overlap2375.00 km²27%
- Bassin de Rembo Kolosub-area1 045,4 km²overlap983.89 km²11%
- Bassin de Rembo Rabisub-area885,5 km²overlap881.58 km²10%
- Bassin de Djembagombésub-area958,5 km²overlap751.06 km²8%
- Bassin de Rembo Ngowésub-area677,3 km²overlap632.13 km²7%
- Bassin de Niémbisub-area997,5 km²overlap542.03 km²6%
- Bassin de Rembo N'Komisub-area809,2 km²overlap464.38 km²5%
- Bassin de Rembo N'Komisub-area483,2 km²overlap451.55 km²5%
- Bassin de Rembo Eshirasub-area474 km²overlap326.25 km²4%
15 more basinssorted by overlap
- Bassin de Aworiwongasub-area299,5 km²overlap218.46 km²2%
- Basin #20500sub-area232,5 km²overlap209.40 km²2%
- Bassin de Rembo Eshirasub-area330,2 km²overlap194.41 km²2%
- Bassin de Douenguisub-area908,7 km²overlap185.78 km²2%
- Basin #20490sub-area166,1 km²overlap165.32 km²2%
- Bassin de Rembo Eshirasub-area150 km²overlap149.28 km²2%
- Basin #20460sub-area505,7 km²overlap134.14 km²2%
- Bassin de Rembo Ngowésub-area125,9 km²overlap125.36 km²1%
- Bassin de Ezangasub-area1 983 km²overlap46.20 km²1%
- Bassin de Rembo Ngowésub-area922,9 km²overlap22.77 km²0%
- Bassin de Ofoubousub-area768,8 km²overlap18.67 km²0%
- Bassin de Rembo Ngowésub-area18,5 km²overlap18.16 km²0%
- Bassin de Olimbésub-area1 592,3 km²overlap18.14 km²0%
- Basin #91040sub-area479,8 km²overlap3.06 km²0%
- Bassin de Ogoouésub-area543,1 km²overlap2.22 km²0%
Lakes (13, top by area)
- Lagune Nkomiarea455,4 km²avg depth13.4 m
- Lagune Iguélaarea188,7 km²avg depth14.1 m
- Lac Akoumbaarea3,2 km²avg depth5.9 m
- Lake #80804area2,5 km²avg depth4.0 m
- Lake #80776area2 km²avg depth3.8 m
- Lake #80853area1,1 km²avg depth1.6 m
- Lac 1407817area0,8 km²avg depth4.5 m
- Lac 1407667area0,3 km²avg depth3.3 m
- Lac 1407479area0,3 km²avg depth3.7 m
Rivers / streams (17, ord ≥ 4)
- Rembo N'Komiord 5len here111.49 km67%total166 km
- Rembo Eshiraord 4len here101.93 km85%total119 km
- Rembo Rabiord 4len here70.35 km100%total71 km
- Rembo Ngowéord 5len here58.48 km43%total136 km
- Djembagombéord 3len here45.21 km100%total45 km
- Mpoulounieord 3len here39.51 km100%total40 km
- Niémbiord 4len here37.82 km75%total50 km
- Rembo Koloord 4len here36.18 km100%total36 km
- Adelouéord 2len here26.86 km100%total27 km
- M'Bariord 3len here16.88 km96%total18 km
- Rivière Mpiviéord 3len here14.27 km100%total14 km
- Ogoleleord 2len here13.47 km76%total18 km
5 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,6nW
Built-up
1,4%
Pesticides
18,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN Not Reported · 9IUCN II · 3🌊 Marine · 10
Parc national de Moukalaba - Doudou
IUCN IINational park · 2002
4 472 km²
Reserve aquatique de Mandji-Etimboue
IUCN Not ReportedAquatic reserve · 2017
4 055 km²
Domaine de chasse de Ngove-Ndogo
IUCN Not ReportedHunting Area · 1966
2 769 km²
Petit Loango
IUCN IIWetland of International Importance (Ramsar Site) · 1986
1 509 km²
Parc national de Loango
IUCN IINational park · 2002
1 506 km²
Complete list12 protected areas
- Bas OgooueWetland of International Importance (Ramsar Site)IUCN Not Reported200913 637 km²
- Parc national de Moukalaba - DoudouNational parkIUCN II20024 472 km²
- Reserve aquatique de Mandji-EtimboueAquatic reserveIUCN Not Reported20174 055 km²
- Domaine de chasse de Ngove-NdogoHunting AreaIUCN Not Reported19662 769 km²
- Petit LoangoWetland of International Importance (Ramsar Site)IUCN II19861 509 km²
- Parc national de LoangoNational parkIUCN II20021 506 km²
- Reserve aquatique de KoumandjiAquatic reserveIUCN Not Reported20171 349 km²
- Domaine de chasse de IguelaHunting AreaIUCN Not Reported1966795 km²
- Reserve aquatique de TchatambaAquatic reserveIUCN Not Reported2017227 km²
- Parc marin de l'embouchure d'IguelaMarine parkIUCN Not Reported2017221 km²
- Parc marin de l'embouchure d'OlendeMarine parkIUCN Not Reported2017139 km²
- Parc marin de l'embouchure d'OzouriMarine parkIUCN Not Reported2017116 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN