Ontologia

Commune · SEN

Cas Cas

Senegal

BWhArid, desert, hot(100 %)

Species observed

216

Observations

795

Area

3 118,1km²

Ecological tissue

Sample of 39 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 Cas Cas : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 5.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
38
Connectance
0.051
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

216 distinct species · 795 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

795 obs · 49 cellules
Obs. / cellule
≥ 174
20–173
11–19
5–10
< 5

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

Climate

Mean T°

29,9°C

Annual rain

279mm

Warmest m°

40,7°C

Coldest m°

17,3°C

Elevation: 30 m on average (min 5 m, max 56 m)

Bioclimatic detailsExpert
Annual mean temp.
29,9°C
Annual rain
279mm
Warmest month
40,7°C
Coldest month
17,3°C
Mean alt.
30m
Min
5m
Max
56m
Std. dev.
16m
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

6,9

Org. C

5,8g/kg

Clay

15,6%

Sand

71,3%

Silt

13,1%

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

Dominant lithology: ssGLiMaggregated to Podor

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
6,7g/kg
Clay
14,7%
Sand
71,7%
Silt
13,5%
5–15 cm
pH H₂O
6,9
Org. C
5,1g/kg
Clay
14,9%
Sand
72,0%
Silt
13,1%
15–30 cm
pH H₂O
7,0
Org. C
5,5g/kg
Clay
17,3%
Sand
70,1%
Silt
12,6%

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

Land cover

Forest4.1%
Crops9.1%
Built-up0.1%
Bare soil6.3%
Other (grassland, water…)80.3%

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

Hydrology12 basins · 3 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

220,6km

Lake surface here

0,56km²

Basins crossed

12

Max stream order

7

Max drainage

377 108km²

Discharge in basins

82,0m³/s

Mean precip.

299mm/an

Mean T°

28,5°C

Moisture idx

-0,86

Mean runoff

28mm/an

Mean elev. (basins)

36m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

13,5%

Pesticides

1,1kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN IV · 1

Ferlo-Nord

IUCN IV

Wildlife Reserve · 1971

5 161 km²

Six Forage

IUCN Not Reported

Not Reported

4 300 km²

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

Sub-administrations3