Ontologia

Province · gab

Wouleu-Ntem

Gabon

AwTropical, savannah(76 %)

Species observed

3 512

Observations

36 651

Area

37 514,2km²

Ecological tissue

Sample of 13 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 Wouleu-Ntem : 8 espèces reliées par 12 interactions GloBI sur 1 type (connectance 15.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
12
Connectance
0.154
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

3 512 distinct species · 36 651 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

36 651 obs · 430 cellules
Obs. / cellule
≥ 1 006
208–1 005
56–207
16–55
< 16

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

Climate

Mean T°

23,7°C

Annual rain

1 729mm

Warmest m°

29,4°C

Coldest m°

19,9°C

Elevation: 551 m on average (min 187 m, max 866 m)

Bioclimatic detailsExpert
Annual mean temp.
23,7°C
Annual rain
1 729mm
Warmest month
29,4°C
Coldest month
19,9°C
Mean alt.
551m
Min
187m
Max
866m
Std. dev.
78m
Köppen-Geiger (dominant)
AwTropical, savannah(76 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

4,6

Org. C

31,8g/kg

Clay

46,3%

Sand

42,3%

Silt

11,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,6
Org. C
49,4g/kg
Clay
43,6%
Sand
44,6%
Silt
11,8%
5–15 cm
pH H₂O
4,6
Org. C
29,5g/kg
Clay
45,5%
Sand
43,0%
Silt
11,5%
15–30 cm
pH H₂O
4,7
Org. C
16,6g/kg
Clay
49,8%
Sand
39,4%
Silt
10,7%

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

Land cover

Forest95.5%
Crops0.1%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)4.3%

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

Hydrology59 basins · 5 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

1 371,0km

Lake surface here

10,31km²

Basins crossed

59

Max stream order

6

Max drainage

147 695km²

Discharge in basins

1 695,7m³/s

Mean precip.

1 726mm/an

Mean T°

23,7°C

Moisture idx

0,06

Mean runoff

578mm/an

Mean elev. (basins)

569m

Watersheds crossing here

50 more basins

Lakes (5, top by area)

Rivers / streams (18, ord ≥ 4)

6 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

3,1%

Pesticides

19,2kg/km²

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

Protected areas2

IUCN II · 2

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

Sub-administrations5