Ontologia

Department · CMR

Mayo Rey

Cameroon

AwTropical, savannah(100 %)

Species observed

1 575

Observations

18 945

Area

36 624,7km²

Ecological tissue

Sample of 22 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 Rey : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
18
Connectance
0.071
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

1 575 distinct species · 18 945 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 945 obs · 328 cellules
Obs. / cellule
≥ 675
61–674
15–60
5–14
< 5

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

Climate

Mean T°

26,1°C

Annual rain

1 343mm

Warmest m°

36,7°C

Coldest m°

17,8°C

Elevation: 580 m on average (min 211 m, max 1 655 m)

Bioclimatic detailsExpert
Annual mean temp.
26,1°C
Annual rain
1 343mm
Warmest month
36,7°C
Coldest month
17,8°C
Mean alt.
580m
Min
211m
Max
1 655m
Std. dev.
283m
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

6,1

Org. C

15,6g/kg

Clay

22,5%

Sand

53,5%

Silt

24,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
23,4g/kg
Clay
21,4%
Sand
53,9%
Silt
24,6%
5–15 cm
pH H₂O
6,1
Org. C
15,0g/kg
Clay
21,6%
Sand
54,4%
Silt
24,0%
15–30 cm
pH H₂O
6,1
Org. C
8,5g/kg
Clay
24,5%
Sand
52,2%
Silt
23,3%

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

Land cover

Forest25.7%
Crops8.7%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)65.4%

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

Hydrology70 basins · 27 lakes · 50 rivers

Hydrology metrics for this exact territory

Stream length here

2 172,5km

Lake surface here

420,42km²

Basins crossed

70

Max stream order

6

Max drainage

31 829km²

Discharge in basins

1 726,4m³/s

Mean precip.

1 267mm/an

Mean T°

25,5°C

Moisture idx

-0,32

Mean runoff

295mm/an

Mean elev. (basins)

587m

Watersheds crossing here

61 more basins

Lakes (27, top by area)

18 more lakes

Rivers / streams (50, ord ≥ 4)

38 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

5,1%

Pesticides

1,7kg/km²

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

Protected areas5

IUCN II · 4IUCN Not Applicable · 1

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