Ontologia

Commune · CMR

Maroua 3

Cameroon

BShArid, steppe, hot(100 %)

Species observed

136

Observations

411

Area

905,4km²

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 Maroua 3 : 4 espèces reliées par 5 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
6
Interactions affichées
5
Connectance
0.333
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

136 distinct species · 411 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

411 obs · 11 cellules
Obs. / cellule
≥ 240
57–239
28–56
8–27
< 8

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

Climate

Mean T°

27,8°C

Annual rain

785mm

Warmest m°

40,0°C

Coldest m°

16,4°C

Elevation: 355 m on average (min 315 m, max 413 m)

Bioclimatic detailsExpert
Annual mean temp.
27,8°C
Annual rain
785mm
Warmest month
40,0°C
Coldest month
16,4°C
Mean alt.
355m
Min
315m
Max
413m
Std. dev.
17m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Soil & lithology

pH H₂O

6,6

Org. C

7,2g/kg

Clay

24,0%

Sand

51,4%

Silt

24,7%

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

Dominant lithology: suGLiMaggregated to Diamaré

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
9,4g/kg
Clay
22,5%
Sand
52,2%
Silt
25,3%
5–15 cm
pH H₂O
6,6
Org. C
7,1g/kg
Clay
22,8%
Sand
52,4%
Silt
24,8%
15–30 cm
pH H₂O
6,7
Org. C
5,1g/kg
Clay
26,7%
Sand
49,5%
Silt
23,8%

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

Land cover

Forest5.1%
Crops38.5%
Built-up0.4%
Bare soil1.2%
Other (grassland, water…)54.8%

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

Hydrology7 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

115,7km

Basins crossed

7

Max stream order

4

Max drainage

2 360km²

Discharge in basins

4,2m³/s

Mean precip.

752mm/an

Mean T°

28,0°C

Moisture idx

-0,64

Mean runoff

103mm/an

Mean elev. (basins)

368m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

41,1%

Pesticides

1,3kg/km²

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