Ontologia

Region · cmr

Nord

Cameroon

AwTropical, savannah(100 %)

Species observed

2 917

Observations

43 738

Area

66 355,1km²

Ecological tissue

Sample of 34 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 Nord : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
32
Connectance
0.057
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

2 917 distinct species · 43 738 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

43 738 obs · 40 cellules
Obs. / cellule
≥ 9 785
2 928–9 784
965–2 927
459–964
< 459

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

26,7°C

Annual rain

1 309mm

Warmest m°

37,4°C

Coldest m°

18,1°C

Elevation: 500 m on average (min 166 m, max 1 845 m)

Bioclimatic detailsExpert
Annual mean temp.
26,7°C
Annual rain
1 309mm
Warmest month
37,4°C
Coldest month
18,1°C
Mean alt.
500m
Min
166m
Max
1 845m
Std. dev.
269m
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

6,3

Org. C

15,0g/kg

Clay

24,4%

Sand

51,1%

Silt

24,4%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
22,4g/kg
Clay
23,6%
Sand
51,2%
Silt
25,2%
5–15 cm
pH H₂O
6,3
Org. C
14,3g/kg
Clay
23,8%
Sand
51,9%
Silt
24,4%
15–30 cm
pH H₂O
6,3
Org. C
8,3g/kg
Clay
26,0%
Sand
50,2%
Silt
23,7%

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

Land cover

Forest21.6%
Crops15.3%
Built-up0.1%
Bare soil0.2%
Other (grassland, water…)62.7%

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

Hydrology119 basins · 50 lakes · 97 rivers

Hydrology metrics for this exact territory

Stream length here

5 060,6km

Lake surface here

662,63km²

Basins crossed

119

Max stream order

7

Max drainage

97 223km²

Discharge in basins

6 012,0m³/s

Mean precip.

1 217mm/an

Mean T°

25,9°C

Moisture idx

-0,35

Mean runoff

273mm/an

Mean elev. (basins)

507m

Watersheds crossing here

110 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (97, ord ≥ 4)

85 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

12,7%

Pesticides

2,2kg/km²

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

Protected areas6

IUCN II · 5IUCN Not Applicable · 1

Faro

IUCN II

National Park · 1980

3 497 km²

Bénoué

IUCN II

National Park · 1968

1 980 km²

Benoué

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1981

1 666 km²

Sena Oura

IUCN II

National Park · 2010

746 km²

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

Sub-administrations4