Ontologia

Commune · SEN

Rao

Senegal

BWhArid, desert, hot(100 %)

Species observed

854

Observations

71 105

Area

874,3km²

Ecological tissue

Sample of 24 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 Rao : 19 espèces reliées par 33 interactions GloBI sur 3 types (connectance 11.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
33
Connectance
0.110
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

854 distinct species · 71 105 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

71 105 obs · 25 cellules
Obs. / cellule
≥ 31 070
5 654–31 069
2 581–5 653
213–2 580
< 213

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

Climate

Mean T°

25,9°C

Annual rain

292mm

Warmest m°

33,3°C

Coldest m°

17,8°C

Elevation: 6 m on average (min -10 m, max 21 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
292mm
Warmest month
33,3°C
Coldest month
17,8°C
Mean alt.
6m
Min
-10m
Max
21m
Std. dev.
5m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,1

Org. C

15,0g/kg

Clay

17,1%

Sand

64,2%

Silt

18,7%

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

Dominant lithology: suGLiMaggregated to Saint-Louis

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
14,4g/kg
Clay
17,6%
Sand
63,8%
Silt
18,6%
5–15 cm
pH H₂O
7,1
Org. C
12,4g/kg
Clay
16,4%
Sand
64,7%
Silt
18,9%
15–30 cm
pH H₂O
7,1
Org. C
18,0g/kg
Clay
17,2%
Sand
64,2%
Silt
18,6%

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

Land cover

Forest5.0%
Crops30.2%
Built-up1.4%
Bare soil7.1%
Other (grassland, water…)56.3%

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

Hydrology4 basins · 9 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

45,0km

Lake surface here

3,91km²

Basins crossed

4

Max stream order

4

Max drainage

443 990km²

Discharge in basins

75,0m³/s

Mean precip.

302mm/an

Mean T°

25,6°C

Moisture idx

-0,83

Mean runoff

6mm/an

Mean elev. (basins)

18m

Watersheds crossing here

Lakes (9, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

0,6nW

Built-up

134,7%

Pesticides

2,2kg/km²

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

Protected areas8

IUCN Not Reported · 3IUCN II · 2IUCN IV · 2IUCN VI · 1🌊 Marine · 3📍 Point sites · 1
Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations3