Ontologia

Subdivision · SEN

Niaguis

Senegal

AwTropical, savannah(100 %)

Species observed

542

Observations

2 915

Area

199,2km²

Ecological tissue

Sample of 43 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 Niaguis : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 4 types (connectance 4.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
39
Connectance
0.043
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

542 distinct species · 2 915 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 915 obs · 5 cellules
Obs. / cellule
≥ 1 651
1 651–1 650
763–1 650
257–762
< 257

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

1 285mm

Warmest m°

37,4°C

Coldest m°

19,0°C

Elevation: 9 m on average (min -10 m, max 25 m)

Bioclimatic detailsExpert
Annual mean temp.
27,5°C
Annual rain
1 285mm
Warmest month
37,4°C
Coldest month
19,0°C
Mean alt.
9m
Min
-10m
Max
25m
Std. dev.
8m
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

5,4

Org. C

35,3g/kg

Clay

29,1%

Sand

40,7%

Silt

30,3%

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

Dominant lithology: suGLiMaggregated to Ziguinchor

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
40,6g/kg
Clay
31,2%
Sand
39,0%
Silt
29,8%
5–15 cm
pH H₂O
5,4
Org. C
33,3g/kg
Clay
27,1%
Sand
41,9%
Silt
31,0%
15–30 cm
pH H₂O
5,4
Org. C
32,1g/kg
Clay
28,9%
Sand
41,1%
Silt
30,1%

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

Land cover

Forest24.0%
Crops9.6%
Built-up3.6%
Bare soil2.6%
Other (grassland, water…)60.1%

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

Hydrology4 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

13,3km

Basins crossed

4

Max stream order

5

Max drainage

14 867km²

Discharge in basins

44,7m³/s

Mean precip.

1 251mm/an

Mean T°

26,7°C

Moisture idx

-0,35

Mean runoff

402mm/an

Mean elev. (basins)

16m

Watersheds crossing here

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

Human pressure

Pop. density

11hab/km²

Night light

0,9nW

Built-up

363,7%

Pesticides

1,3kg/km²

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

Protected areas2

IUCN VI · 2🌊 Marine · 2

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