Ontologia

Commune · CMR

Bourrah

Cameroon

AwTropical, savannah(100 %)

Species observed

150

Observations

291

Area

1 048,9km²

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 Bourrah : 7 espèces reliées par 5 interactions GloBI sur 3 types (connectance 17.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
5
Connectance
0.179
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

150 distinct species · 291 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

291 obs · 16 cellules
Obs. / cellule
≥ 64
62–63
26–61
12–25
< 12

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

Climate

Mean T°

24,9°C

Annual rain

1 383mm

Warmest m°

35,8°C

Coldest m°

15,2°C

Elevation: 774 m on average (min 525 m, max 1 012 m)

Bioclimatic detailsExpert
Annual mean temp.
24,9°C
Annual rain
1 383mm
Warmest month
35,8°C
Coldest month
15,2°C
Mean alt.
774m
Min
525m
Max
1 012m
Std. dev.
91m
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

6,6

Org. C

10,9g/kg

Clay

22,9%

Sand

53,7%

Silt

23,4%

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

Dominant lithology: mtGLiMaggregated to Mayo Tsanaga

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
15,1g/kg
Clay
20,9%
Sand
55,2%
Silt
23,8%
5–15 cm
pH H₂O
6,6
Org. C
10,5g/kg
Clay
22,9%
Sand
53,7%
Silt
23,4%
15–30 cm
pH H₂O
6,6
Org. C
7,1g/kg
Clay
24,8%
Sand
52,2%
Silt
23,0%

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

Land cover

Forest10.1%
Crops39.5%
Built-up0.5%
Bare soil1.4%
Other (grassland, water…)48.5%

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

Hydrology9 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

13,9km

Lake surface here

0,00km²

Basins crossed

9

Max stream order

3

Max drainage

4 379km²

Discharge in basins

5,7m³/s

Mean precip.

941mm/an

Mean T°

25,6°C

Moisture idx

-0,51

Mean runoff

152mm/an

Mean elev. (basins)

629m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

46,8%

Pesticides

4,7kg/km²

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