Ontologia

Subdivision · SEN

Koussan

Senegal

BShArid, steppe, hot(100 %)

Species observed

274

Observations

1 572

Area

736,9km²

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 Koussan : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 3 types (connectance 9.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
27
Connectance
0.098
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

274 distinct species · 1 572 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 572 obs · 15 cellules
Obs. / cellule
≥ 1 452
77–1 451
5–76
1–4
< 1

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

Climate

Mean T°

30,0°C

Annual rain

716mm

Warmest m°

41,1°C

Coldest m°

19,3°C

Elevation: 92 m on average (min 45 m, max 133 m)

Bioclimatic detailsExpert
Annual mean temp.
30,0°C
Annual rain
716mm
Warmest month
41,1°C
Coldest month
19,3°C
Mean alt.
92m
Min
45m
Max
133m
Std. dev.
21m
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

6,2

Org. C

6,4g/kg

Clay

28,4%

Sand

38,5%

Silt

33,1%

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

Dominant lithology: ssGLiMaggregated to Goudiry

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
7,6g/kg
Clay
27,6%
Sand
39,3%
Silt
33,1%
5–15 cm
pH H₂O
6,2
Org. C
6,1g/kg
Clay
29,4%
Sand
37,8%
Silt
32,8%
15–30 cm
pH H₂O
6,1
Org. C
5,4g/kg
Clay
28,3%
Sand
38,3%
Silt
33,4%

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

Land cover

Forest9.0%
Crops32.8%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)57.9%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,8km

Basins crossed

3

Max stream order

2

Max drainage

2 735km²

Discharge in basins

0,9m³/s

Mean precip.

692mm/an

Mean T°

28,3°C

Moisture idx

-0,66

Mean runoff

33mm/an

Mean elev. (basins)

93m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

4,7%

Pesticides

0,6kg/km²

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

Protected areas2

IUCN VI · 1IUCN Not Reported · 1

RNC Boundou

IUCN VI

Community Nature Reserve · 2009

1 197 km²

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