Ontologia

Subdivision · SEN

Ballou

Senegal

BShArid, steppe, hot(100 %)

Species observed

136

Observations

192

Area

299,9km²

Ecological tissue

Sample of 36 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 Ballou : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
48
Connectance
0.068
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

136 distinct species · 192 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

192 obs · 7 cellules
Obs. / cellule
≥ 130
130–129
16–129
12–15
< 12

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

Climate

Mean T°

30,6°C

Annual rain

538mm

Warmest m°

41,7°C

Coldest m°

18,8°C

Elevation: 36 m on average (min 20 m, max 91 m)

Bioclimatic detailsExpert
Annual mean temp.
30,6°C
Annual rain
538mm
Warmest month
41,7°C
Coldest month
18,8°C
Mean alt.
36m
Min
20m
Max
91m
Std. dev.
14m
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

6,2g/kg

Clay

30,8%

Sand

40,7%

Silt

28,6%

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

Dominant lithology: ssGLiMaggregated to Bakel

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
8,0g/kg
Clay
29,8%
Sand
41,3%
Silt
28,8%
5–15 cm
pH H₂O
6,6
Org. C
5,8g/kg
Clay
31,9%
Sand
39,9%
Silt
28,2%
15–30 cm
pH H₂O
6,6
Org. C
4,9g/kg
Clay
30,6%
Sand
40,7%
Silt
28,6%

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

Land cover

Forest4.3%
Crops30.4%
Built-up0.2%
Bare soil1.9%
Other (grassland, water…)63.1%

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

Hydrology4 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

60,1km

Basins crossed

4

Max stream order

7

Max drainage

331 271km²

Discharge in basins

83,7m³/s

Mean precip.

560mm/an

Mean T°

28,7°C

Moisture idx

-0,73

Mean runoff

52mm/an

Mean elev. (basins)

56m

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

24,4%

Pesticides

1,8kg/km²

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