Ontologia

Department · SEN

Kolda

Senegal

AwTropical, savannah(100 %)

Species observed

732

Observations

5 672

Area

3 573,5km²

Ecological tissue

Sample of 31 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 Kolda : 30 espèces reliées par 24 interactions GloBI sur 3 types (connectance 5.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
24
Connectance
0.052
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

732 distinct species · 5 672 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 672 obs · 60 cellules
Obs. / cellule
≥ 2 765
132–2 764
23–131
6–22
< 6

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

Climate

Mean T°

28,2°C

Annual rain

1 038mm

Warmest m°

38,7°C

Coldest m°

18,8°C

Elevation: 42 m on average (min 5 m, max 76 m)

Bioclimatic detailsExpert
Annual mean temp.
28,2°C
Annual rain
1 038mm
Warmest month
38,7°C
Coldest month
18,8°C
Mean alt.
42m
Min
5m
Max
76m
Std. dev.
13m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

13,9g/kg

Clay

24,9%

Sand

50,0%

Silt

25,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
18,3g/kg
Clay
22,7%
Sand
50,7%
Silt
26,6%
5–15 cm
pH H₂O
5,7
Org. C
15,1g/kg
Clay
24,1%
Sand
51,1%
Silt
24,8%
15–30 cm
pH H₂O
5,6
Org. C
8,4g/kg
Clay
27,8%
Sand
48,2%
Silt
24,0%

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

Land cover

Forest32.1%
Crops9.6%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)57.7%

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

Hydrology9 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

171,4km

Lake surface here

0,00km²

Basins crossed

9

Max stream order

5

Max drainage

8 207km²

Discharge in basins

34,0m³/s

Mean precip.

1 075mm/an

Mean T°

27,0°C

Moisture idx

-0,46

Mean runoff

198mm/an

Mean elev. (basins)

45m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

35,2%

Pesticides

1,3kg/km²

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

Protected areas7

IUCN Not Reported · 7
Complete list

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

Sub-administrations11