Ontologia

Department · SEN

Louga

Senegal

BWhArid, desert, hot(99 %)

Species observed

562

Observations

14 283

Area

5 687,4km²

Ecological tissue

Sample of 29 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 Louga : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
36
Connectance
0.083
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

562 distinct species · 14 283 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 283 obs · 116 cellules
Obs. / cellule
≥ 1 786
276–1 785
49–275
19–48
< 19

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

Climate

Mean T°

27,5°C

Annual rain

337mm

Warmest m°

37,4°C

Coldest m°

17,2°C

Elevation: 29 m on average (min -96 m, max 56 m)

Bioclimatic detailsExpert
Annual mean temp.
27,5°C
Annual rain
337mm
Warmest month
37,4°C
Coldest month
17,2°C
Mean alt.
29m
Min
-96m
Max
56m
Std. dev.
13m
Köppen-Geiger (dominant)
BWhArid, desert, hot(99 %)Arid

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

Soil & lithology

pH H₂O

7,0

Org. C

6,5g/kg

Clay

14,1%

Sand

74,0%

Silt

11,9%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
7,6g/kg
Clay
14,4%
Sand
73,7%
Silt
11,9%
5–15 cm
pH H₂O
7,0
Org. C
6,1g/kg
Clay
13,2%
Sand
74,7%
Silt
12,0%
15–30 cm
pH H₂O
6,9
Org. C
5,8g/kg
Clay
14,6%
Sand
73,6%
Silt
11,8%

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

Land cover

Forest3.6%
Crops36.7%
Built-up0.4%
Bare soil1.2%
Other (grassland, water…)58.1%

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

Hydrology14 basins · 8 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

293,9km

Lake surface here

76,96km²

Basins crossed

14

Max stream order

5

Max drainage

43 502km²

Discharge in basins

135,7m³/s

Mean precip.

340mm/an

Mean T°

26,1°C

Moisture idx

-0,82

Mean runoff

6mm/an

Mean elev. (basins)

31m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

37,2%

Pesticides

1,8kg/km²

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

Protected areas3

IUCN II · 2IUCN Not Reported · 1🌊 Marine · 2

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

Sub-administrations12