Ontologia

Subdivision · SEN

Diannah Ba

Senegal

AwTropical, savannah(100 %)

Species observed

12

Observations

28

Area

146,2km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

12 distinct species · 28 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

28 obs · 4 cellules
Obs. / cellule
≥ 13
13–12
12–12
12–11
< 12

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

Climate

Mean T°

27,9°C

Annual rain

1 022mm

Warmest m°

38,0°C

Coldest m°

18,6°C

Elevation: 27 m on average (min 2 m, max 51 m)

Bioclimatic detailsExpert
Annual mean temp.
27,9°C
Annual rain
1 022mm
Warmest month
38,0°C
Coldest month
18,6°C
Mean alt.
27m
Min
2m
Max
51m
Std. dev.
14m
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

19,8g/kg

Clay

25,4%

Sand

48,5%

Silt

26,1%

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

Dominant lithology: ssGLiMaggregated to Sédhiou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
24,6g/kg
Clay
23,8%
Sand
48,6%
Silt
27,6%
5–15 cm
pH H₂O
5,4
Org. C
22,6g/kg
Clay
24,2%
Sand
49,7%
Silt
26,0%
15–30 cm
pH H₂O
5,3
Org. C
12,2g/kg
Clay
28,0%
Sand
47,2%
Silt
24,8%

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

Land cover

Forest33.0%
Crops11.0%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)55.5%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

18,6km

Basins crossed

1

Max stream order

5

Max drainage

5 872km²

Discharge in basins

1,4m³/s

Mean precip.

1 088mm/an

Mean T°

27,0°C

Moisture idx

-0,45

Mean runoff

246mm/an

Mean elev. (basins)

35m

Watersheds crossing here

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

0,1nW

Built-up

37,1%

Pesticides

0,8kg/km²

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

Protected areas1

IUCN Not Reported · 1

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