Ontologia

Subdivision · SEN

Kerewane

Senegal

BShArid, steppe, hot(76 %)

Species observed

99

Observations

309

Area

956,1km²

Ecological tissue

Sample of 22 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 Kerewane : 18 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 2 types (connectance 9.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
21
Connectance
0.091
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

99 distinct species · 309 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

309 obs · 11 cellules
Obs. / cellule
≥ 216
48–215
9–47
5–8
< 5

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

Climate

Mean T°

28,3°C

Annual rain

873mm

Warmest m°

38,5°C

Coldest m°

18,6°C

Elevation: 36 m on average (min 1 m, max 52 m)

Bioclimatic detailsExpert
Annual mean temp.
28,3°C
Annual rain
873mm
Warmest month
38,5°C
Coldest month
18,6°C
Mean alt.
36m
Min
1m
Max
52m
Std. dev.
12m
Köppen-Geiger (dominant)
BShArid, steppe, hot(76 %)Arid

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

Soil & lithology

pH H₂O

5,7

Org. C

9,8g/kg

Clay

19,6%

Sand

64,1%

Silt

16,3%

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

Dominant lithology: ssGLiMaggregated to Médina Yoro Foula

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
12,0g/kg
Clay
16,9%
Sand
66,7%
Silt
16,4%
5–15 cm
pH H₂O
5,7
Org. C
9,9g/kg
Clay
18,5%
Sand
65,1%
Silt
16,5%
15–30 cm
pH H₂O
5,7
Org. C
7,6g/kg
Clay
23,5%
Sand
60,6%
Silt
15,9%

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

Land cover

Forest16.3%
Crops21.8%
Built-up0.1%
Bare soil0.5%
Other (grassland, water…)61.3%

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

Hydrology4 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,3km

Basins crossed

4

Max stream order

3

Max drainage

65 509km²

Discharge in basins

4,4m³/s

Mean precip.

802mm/an

Mean T°

27,5°C

Moisture idx

-0,61

Mean runoff

63mm/an

Mean elev. (basins)

40m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

15,2%

Pesticides

4,1kg/km²

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

Protected areas2

IUCN Not Reported · 2

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