Ontologia

Department · CMR

Mayo Tsanaga

Cameroon

AwTropical, savannah(99 %)

Species observed

1 221

Observations

6 611

Area

4 487,1km²

Ecological tissue

Sample of 5 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 Mayo Tsanaga : 4 espèces reliées par 5 interactions GloBI sur 1 type (connectance 23.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
7
Interactions affichées
5
Connectance
0.238
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

1 221 distinct species · 6 611 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 611 obs · 85 cellules
Obs. / cellule
≥ 801
226–800
60–225
28–59
< 28

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

Climate

Mean T°

25,4°C

Annual rain

1 222mm

Warmest m°

36,5°C

Coldest m°

15,4°C

Elevation: 712 m on average (min 389 m, max 1 241 m)

Bioclimatic detailsExpert
Annual mean temp.
25,4°C
Annual rain
1 222mm
Warmest month
36,5°C
Coldest month
15,4°C
Mean alt.
712m
Min
389m
Max
1 241m
Std. dev.
162m
Köppen-Geiger (dominant)
AwTropical, savannah(99 %)Tropical

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

Soil & lithology

pH H₂O

6,5

Org. C

10,7g/kg

Clay

22,7%

Sand

56,8%

Silt

20,5%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
14,9g/kg
Clay
20,4%
Sand
58,7%
Silt
20,9%
5–15 cm
pH H₂O
6,5
Org. C
10,3g/kg
Clay
22,6%
Sand
56,9%
Silt
20,5%
15–30 cm
pH H₂O
6,5
Org. C
6,9g/kg
Clay
25,0%
Sand
54,9%
Silt
20,0%

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

Land cover

Forest8.7%
Crops40.8%
Built-up0.7%
Bare soil1.2%
Other (grassland, water…)48.6%

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

Hydrology16 basins · 2 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

292,7km

Lake surface here

0,76km²

Basins crossed

16

Max stream order

4

Max drainage

4 379km²

Discharge in basins

21,3m³/s

Mean precip.

886mm/an

Mean T°

25,7°C

Moisture idx

-0,54

Mean runoff

124mm/an

Mean elev. (basins)

622m

Watersheds crossing here

7 more basins

Lakes (2, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

64,7%

Pesticides

4,3kg/km²

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

Protected areas1

IUCN II · 1

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

Sub-administrations7