Ontologia

Delegation · TUN

Sayada-Lamta-Bou Hjar

Tunisia

BShArid, steppe, hot(100 %)

Species observed

3

Observations

4

Area

12,1km²

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

3 distinct species · 4 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 obs · 1 cellules
Obs. / cellule
≥ 4
4–3
4–3
4–3
< 4

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

Climate

Mean T°

19,7°C

Annual rain

361mm

Warmest m°

32,4°C

Coldest m°

8,7°C

Elevation: 18 m on average (min -2 m, max 34 m)

Bioclimatic detailsExpert
Annual mean temp.
19,7°C
Annual rain
361mm
Warmest month
32,4°C
Coldest month
8,7°C
Mean alt.
18m
Min
-2m
Max
34m
Std. dev.
9m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Soil & lithology

pH H₂O

7,7

Org. C

22,3g/kg

Clay

33,6%

Sand

40,9%

Silt

25,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
29,1g/kg
Clay
33,2%
Sand
40,9%
Silt
25,8%
5–15 cm
pH H₂O
7,7
Org. C
15,2g/kg
Clay
33,4%
Sand
40,3%
Silt
26,3%
15–30 cm
pH H₂O
7,8
Org. C
22,5g/kg
Clay
34,3%
Sand
41,5%
Silt
24,3%

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

Land cover

Forest4.4%
Crops15.2%
Built-up15.0%
Bare soil2.1%
Other (grassland, water…)63.2%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

273km²

Discharge in basins

0,0m³/s

Mean precip.

300mm/an

Mean T°

18,5°C

Moisture idx

-0,72

Mean runoff

51mm/an

Mean elev. (basins)

16m

Watersheds crossing here

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

Human pressure

Pop. density

21hab/km²

Night light

23,7nW

Built-up

1 503,6%

Pesticides

2,8kg/km²

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