Ontologia

Subdivision · SEN

Sandiara

Senegal

BShArid, steppe, hot(100 %)

Species observed

230

Observations

2 267

Area

147,9km²

Ecological tissue

Sample of 42 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 Sandiara : 35 espèces reliées par 44 interactions GloBI sur 5 types (connectance 5.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
44
Connectance
0.051
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

230 distinct species · 2 267 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 267 obs · 7 cellules
Obs. / cellule
≥ 941
941–940
258–940
94–257
< 94

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

Climate

Mean T°

26,1°C

Annual rain

521mm

Warmest m°

33,4°C

Coldest m°

17,9°C

Elevation: 16 m on average (min 9 m, max 30 m)

Bioclimatic detailsExpert
Annual mean temp.
26,1°C
Annual rain
521mm
Warmest month
33,4°C
Coldest month
17,9°C
Mean alt.
16m
Min
9m
Max
30m
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

6,0

Org. C

11,8g/kg

Clay

21,7%

Sand

60,2%

Silt

18,1%

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
6,1
Org. C
14,8g/kg
Clay
21,2%
Sand
60,3%
Silt
18,5%
5–15 cm
pH H₂O
6,0
Org. C
10,9g/kg
Clay
20,1%
Sand
61,7%
Silt
18,3%
15–30 cm
pH H₂O
5,9
Org. C
9,6g/kg
Clay
23,8%
Sand
58,5%
Silt
17,6%

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

Land cover

Forest4.8%
Crops37.9%
Built-up0.9%
Bare soil3.2%
Other (grassland, water…)53.2%

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

Hydrology3 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

3

Max drainage

8 930km²

Discharge in basins

0,0m³/s

Mean precip.

601mm/an

Mean T°

26,4°C

Moisture idx

-0,68

Mean runoff

7mm/an

Mean elev. (basins)

13m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

92,5%

Pesticides

2,6kg/km²

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