Ontologia

Subdivision · SEN

Sessene

Senegal

BShArid, steppe, hot(100 %)

Species observed

50

Observations

365

Area

148,1km²

Ecological tissue

Sample of 14 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 Sessene : 10 espèces reliées par 12 interactions GloBI sur 3 types (connectance 13.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
12
Connectance
0.132
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

50 distinct species · 365 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

365 obs · 4 cellules
Obs. / cellule
≥ 274
274–273
40–273
40–39
< 40

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

Climate

Mean T°

26,6°C

Annual rain

531mm

Warmest m°

35,0°C

Coldest m°

17,5°C

Elevation: 15 m on average (min 4 m, max 27 m)

Bioclimatic detailsExpert
Annual mean temp.
26,6°C
Annual rain
531mm
Warmest month
35,0°C
Coldest month
17,5°C
Mean alt.
15m
Min
4m
Max
27m
Std. dev.
6m
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

5,9

Org. C

9,4g/kg

Clay

15,5%

Sand

71,0%

Silt

13,5%

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

Dominant lithology: viGLiMaggregated to Mbour

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
11,3g/kg
Clay
15,4%
Sand
71,1%
Silt
13,5%
5–15 cm
pH H₂O
5,9
Org. C
8,4g/kg
Clay
14,1%
Sand
72,3%
Silt
13,5%
15–30 cm
pH H₂O
5,8
Org. C
8,6g/kg
Clay
17,1%
Sand
69,5%
Silt
13,4%

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

Land cover

Forest5.8%
Crops38.5%
Built-up1.1%
Bare soil1.6%
Other (grassland, water…)52.9%

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

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

8 930km²

Discharge in basins

0,0m³/s

Mean precip.

578mm/an

Mean T°

26,5°C

Moisture idx

-0,70

Mean runoff

15mm/an

Mean elev. (basins)

16m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

0,3nW

Built-up

115,1%

Pesticides

2,4kg/km²

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