Ontologia

Subdivision · SEN

Nemataba

Senegal

BShArid, steppe, hot(58 %)

Species observed

137

Observations

494

Area

182,1km²

Ecological tissue

Sample of 23 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 Nemataba : 16 espèces reliées par 31 interactions GloBI sur 3 types (connectance 11.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
31
Connectance
0.112
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

137 distinct species · 494 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

494 obs · 7 cellules
Obs. / cellule
≥ 252
252–251
23–251
11–22
< 11

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

Climate

Mean T°

28,9°C

Annual rain

869mm

Warmest m°

39,5°C

Coldest m°

19,3°C

Elevation: 51 m on average (min 22 m, max 70 m)

Bioclimatic detailsExpert
Annual mean temp.
28,9°C
Annual rain
869mm
Warmest month
39,5°C
Coldest month
19,3°C
Mean alt.
51m
Min
22m
Max
70m
Std. dev.
11m
Köppen-Geiger (dominant)
BShArid, steppe, hot(58 %)Arid

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

Soil & lithology

pH H₂O

5,9

Org. C

9,1g/kg

Clay

23,6%

Sand

55,6%

Silt

20,8%

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

Dominant lithology: ssGLiMaggregated to Vélingara

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
11,6g/kg
Clay
22,6%
Sand
56,5%
Silt
21,0%
5–15 cm
pH H₂O
5,9
Org. C
9,3g/kg
Clay
22,0%
Sand
56,9%
Silt
21,1%
15–30 cm
pH H₂O
5,7
Org. C
6,3g/kg
Clay
26,4%
Sand
53,3%
Silt
20,3%

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

Land cover

Forest11.6%
Crops29.2%
Built-up0.2%
Bare soil1.3%
Other (grassland, water…)57.7%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

18,6km

Basins crossed

3

Max stream order

2

Max drainage

1 167km²

Discharge in basins

0,4m³/s

Mean precip.

859mm/an

Mean T°

27,3°C

Moisture idx

-0,57

Mean runoff

66mm/an

Mean elev. (basins)

49m

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

23,7%

Pesticides

2,3kg/km²

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