Ontologia

Department · CMR

Bénoué

Cameroon

AwTropical, savannah(100 %)

Species observed

1 771

Observations

18 109

Area

13 772,6km²

Ecological tissue

Sample of 16 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 Bénoué : 13 espèces reliées par 12 interactions GloBI sur 3 types (connectance 8.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
12
Connectance
0.088
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

1 771 distinct species · 18 109 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 109 obs · 217 cellules
Obs. / cellule
≥ 1 112
143–1 111
25–142
12–24
< 12

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

Climate

Mean T°

28,1°C

Annual rain

1 122mm

Warmest m°

38,8°C

Coldest m°

18,6°C

Elevation: 297 m on average (min 166 m, max 1 138 m)

Bioclimatic detailsExpert
Annual mean temp.
28,1°C
Annual rain
1 122mm
Warmest month
38,8°C
Coldest month
18,6°C
Mean alt.
297m
Min
166m
Max
1 138m
Std. dev.
101m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

Soil & lithology

pH H₂O

6,7

Org. C

13,0g/kg

Clay

28,7%

Sand

44,9%

Silt

26,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
20,0g/kg
Clay
28,2%
Sand
44,6%
Silt
27,2%
5–15 cm
pH H₂O
6,7
Org. C
12,4g/kg
Clay
28,2%
Sand
45,7%
Silt
26,1%
15–30 cm
pH H₂O
6,7
Org. C
6,6g/kg
Clay
29,6%
Sand
44,6%
Silt
25,8%

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

Land cover

Forest11.6%
Crops32.9%
Built-up0.3%
Bare soil0.5%
Other (grassland, water…)54.8%

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

Hydrology32 basins · 36 lakes · 21 rivers

Hydrology metrics for this exact territory

Stream length here

1 049,8km

Lake surface here

241,67km²

Basins crossed

32

Max stream order

7

Max drainage

97 223km²

Discharge in basins

2 658,9m³/s

Mean precip.

1 047mm/an

Mean T°

27,1°C

Moisture idx

-0,46

Mean runoff

209mm/an

Mean elev. (basins)

314m

Watersheds crossing here

23 more basins

Lakes (36, top by area)

27 more lakes

Rivers / streams (21, ord ≥ 4)

9 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

30,3%

Pesticides

2,5kg/km²

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

Protected areas2

IUCN II · 1IUCN Not Applicable · 1

Bénoué

IUCN II

National Park · 1968

1 980 km²

Benoué

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1981

1 666 km²

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

Sub-administrations12