Ontologia

Province · gab

Ogooué-Maritime

Gabon

AwTropical, savannah(97 %)

Species observed

3 713

Observations

68 473

Area

22 899,9km²

Ecological tissue

Sample of 20 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 Ogooué-Maritime : 18 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 16 interactions GloBI sur 2 types (connectance 8.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
16
Connectance
0.084
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

3 713 distinct species · 68 473 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

68 473 obs · 372 cellules
Obs. / cellule
≥ 3 043
389–3 042
90–388
22–89
< 22

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

Climate

Mean T°

25,1°C

Annual rain

2 439mm

Warmest m°

29,9°C

Coldest m°

20,4°C

Elevation: 45 m on average (min -86 m, max 628 m)

Bioclimatic detailsExpert
Annual mean temp.
25,1°C
Annual rain
2 439mm
Warmest month
29,9°C
Coldest month
20,4°C
Mean alt.
45m
Min
-86m
Max
628m
Std. dev.
67m
Köppen-Geiger (dominant)
AwTropical, savannah(97 %)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

34,2g/kg

Clay

27,2%

Sand

48,1%

Silt

24,7%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
42,9g/kg
Clay
26,9%
Sand
48,4%
Silt
24,8%
5–15 cm
pH H₂O
5,0
Org. C
33,0g/kg
Clay
26,8%
Sand
48,5%
Silt
24,8%
15–30 cm
pH H₂O
5,0
Org. C
26,8g/kg
Clay
28,0%
Sand
47,5%
Silt
24,5%

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

Land cover

Forest82.2%
Crops0.7%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)16.9%

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

Hydrology49 basins · 50 lakes · 35 rivers

Hydrology metrics for this exact territory

Stream length here

1 433,3km

Lake surface here

1 191,64km²

Basins crossed

49

Max stream order

7

Max drainage

215 218km²

Discharge in basins

15 898,0m³/s

Mean precip.

1 989mm/an

Mean T°

25,6°C

Moisture idx

0,22

Mean runoff

992mm/an

Mean elev. (basins)

61m

Watersheds crossing here

40 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (35, ord ≥ 4)

23 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

6,0%

Pesticides

18,9kg/km²

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

Protected areas20

IUCN Not Reported · 15IUCN II · 3IUCN IV · 1IUCN VI · 1🌊 Marine · 18

Bas Ogooue

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2009

13 637 km²

Wonga-Wongué

IUCN IV

Wetland of International Importance (Ramsar Site) · 1986

3 966 km²

Complete list

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

Sub-administrations3