Ontologia

Commune · BFA

Bilanga

Burkina Faso

BShArid, steppe, hot(100 %)

Species observed

209

Observations

859

Area

2 116,7km²

Ecological tissue

Sample of 7 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 Bilanga : 6 espèces reliées par 5 interactions GloBI sur 1 type (connectance 23.8%, filtre Serrano α=0.2). 1 bulle taxonomique (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

209 distinct species · 859 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

859 obs · 21 cellules
Obs. / cellule
≥ 161
120–160
41–119
18–40
< 18

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

Climate

Mean T°

28,6°C

Annual rain

677mm

Warmest m°

39,8°C

Coldest m°

16,8°C

Elevation: 285 m on average (min 255 m, max 334 m)

Bioclimatic detailsExpert
Annual mean temp.
28,6°C
Annual rain
677mm
Warmest month
39,8°C
Coldest month
16,8°C
Mean alt.
285m
Min
255m
Max
334m
Std. dev.
13m
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

6,5

Org. C

6,4g/kg

Clay

22,2%

Sand

55,8%

Silt

21,9%

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

Dominant lithology: mtGLiMaggregated to Gnagna

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
7,8g/kg
Clay
19,2%
Sand
58,5%
Silt
22,3%
5–15 cm
pH H₂O
6,5
Org. C
6,7g/kg
Clay
20,5%
Sand
56,9%
Silt
22,6%
15–30 cm
pH H₂O
6,4
Org. C
4,6g/kg
Clay
27,1%
Sand
52,0%
Silt
20,9%

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

Land cover

Forest5.0%
Crops30.9%
Built-up0.2%
Bare soil2.4%
Other (grassland, water…)61.5%

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

Hydrology12 basins · 4 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

64,8km

Lake surface here

11,81km²

Basins crossed

12

Max stream order

5

Max drainage

8 764km²

Discharge in basins

7,9m³/s

Mean precip.

685mm/an

Mean T°

28,2°C

Moisture idx

-0,66

Mean runoff

31mm/an

Mean elev. (basins)

293m

Watersheds crossing here

3 more basins

Lakes (4, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

18,4%

Pesticides

1,5kg/km²

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