Ontologia

Region · cmr

Sud

Cameroon

AwTropical, savannah(56 %)

Species observed

6 834

Observations

92 982

Area

47 275,5km²

Ecological tissue

Sample of 8 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 Sud : 8 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2).

Espèces affichées
8
Interactions affichées
5
Connectance
0.179
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

6 834 distinct species · 92 982 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

92 982 obs · 866 cellules
Obs. / cellule
≥ 1 612
228–1 611
37–227
10–36
< 10

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

Climate

Mean T°

23,6°C

Annual rain

2 008mm

Warmest m°

29,4°C

Coldest m°

20,1°C

Elevation: 530 m on average (min -17 m, max 934 m)

Bioclimatic detailsExpert
Annual mean temp.
23,6°C
Annual rain
2 008mm
Warmest month
29,4°C
Coldest month
20,1°C
Mean alt.
530m
Min
-17m
Max
934m
Std. dev.
202m
Köppen-Geiger (dominant)
AwTropical, savannah(56 %)Tropical

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

Soil & lithology

pH H₂O

4,8

Org. C

26,7g/kg

Clay

41,6%

Sand

48,1%

Silt

10,2%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
48,7g/kg
Clay
38,2%
Sand
50,9%
Silt
10,9%
5–15 cm
pH H₂O
4,8
Org. C
20,7g/kg
Clay
40,6%
Sand
49,1%
Silt
10,3%
15–30 cm
pH H₂O
4,8
Org. C
10,7g/kg
Clay
46,1%
Sand
44,3%
Silt
9,5%

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

Land cover

Forest95.0%
Crops0.2%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)4.7%

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

Hydrology113 basins · 0 lakes · 88 rivers

Hydrology metrics for this exact territory

Stream length here

4 586,7km

Basins crossed

113

Max stream order

6

Max drainage

30 963km²

Discharge in basins

7 890,1m³/s

Mean precip.

1 889mm/an

Mean T°

23,8°C

Moisture idx

0,16

Mean runoff

859mm/an

Mean elev. (basins)

547m

Watersheds crossing here

104 more basins

Rivers / streams (88, ord ≥ 4)

76 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

8,7%

Pesticides

1,3kg/km²

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

Protected areas11

IUCN IV · 4IUCN II · 3IUCN Not Applicable · 2IUCN Not Reported · 2🌊 Marine · 4

Dja

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1981

6 210 km²

Dja Faunal Reserve

IUCN Not Applicable

World Heritage Site (natural or mixed) · 1987

5 808 km²

Dja

IUCN IV

Wildlife Reserve · 2007

5 265 km²

Complete list

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

Sub-administrations4