Ontologia

Province · gab

Haut-Ogooué

Gabon

AwTropical, savannah(92 %)

Species observed

3 319

Observations

43 412

Area

33 694,4km²

Ecological tissue

Sample of 36 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 Haut-Ogooué : 33 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 5.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
34
Connectance
0.054
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

3 319 distinct species · 43 412 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

43 412 obs · 404 cellules
Obs. / cellule
≥ 845
293–844
66–292
17–65
< 17

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

24,1°C

Annual rain

1 900mm

Warmest m°

29,7°C

Coldest m°

19,7°C

Elevation: 481 m on average (min 266 m, max 787 m)

Bioclimatic detailsExpert
Annual mean temp.
24,1°C
Annual rain
1 900mm
Warmest month
29,7°C
Coldest month
19,7°C
Mean alt.
481m
Min
266m
Max
787m
Std. dev.
97m
Köppen-Geiger (dominant)
AwTropical, savannah(92 %)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

28,3g/kg

Clay

38,3%

Sand

44,4%

Silt

17,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
38,1g/kg
Clay
37,0%
Sand
45,3%
Silt
17,7%
5–15 cm
pH H₂O
4,9
Org. C
28,5g/kg
Clay
37,6%
Sand
44,9%
Silt
17,5%
15–30 cm
pH H₂O
4,9
Org. C
18,3g/kg
Clay
40,3%
Sand
42,9%
Silt
16,8%

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

Land cover

Forest70.8%
Crops1.7%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)27.3%

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

Hydrology67 basins · 14 lakes · 19 rivers

Hydrology metrics for this exact territory

Stream length here

2 098,9km

Lake surface here

3,60km²

Basins crossed

67

Max stream order

6

Max drainage

32 652km²

Discharge in basins

6 140,5m³/s

Mean precip.

1 854mm/an

Mean T°

24,1°C

Moisture idx

0,16

Mean runoff

898mm/an

Mean elev. (basins)

492m

Watersheds crossing here

58 more basins

Lakes (14, top by area)

5 more lakes

Rivers / streams (19, ord ≥ 4)

7 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

4,3%

Pesticides

22,6kg/km²

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

Protected areas7

IUCN Not Reported · 5IUCN II · 2

Leketi-Mbama

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2015

7 755 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations6