Ontologia

Delegation · TUN

Jerissa

Tunisia

BSkArid, steppe, cold(88 %)

Species observed

6

Observations

8

Area

171,8km²

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

6 distinct species · 8 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 obs · 2 cellules
Obs. / cellule
≥ 6
6–5
6–5
6–5
< 6

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

Climate

Mean T°

16,8°C

Annual rain

444mm

Warmest m°

34,2°C

Coldest m°

2,5°C

Elevation: 675 m on average (min 556 m, max 866 m)

Bioclimatic detailsExpert
Annual mean temp.
16,8°C
Annual rain
444mm
Warmest month
34,2°C
Coldest month
2,5°C
Mean alt.
675m
Min
556m
Max
866m
Std. dev.
78m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(88 %)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

14,3g/kg

Clay

26,7%

Sand

38,5%

Silt

34,8%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
20,9g/kg
Clay
25,8%
Sand
39,2%
Silt
35,1%
5–15 cm
pH H₂O
7,8
Org. C
11,6g/kg
Clay
25,5%
Sand
39,0%
Silt
35,4%
15–30 cm
pH H₂O
7,8
Org. C
10,3g/kg
Clay
28,8%
Sand
37,3%
Silt
33,9%

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

Land cover

Forest1.3%
Crops50.9%
Built-up0.6%
Bare soil12.1%
Other (grassland, water…)35.1%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

39,6km

Basins crossed

2

Max stream order

4

Max drainage

10 716km²

Discharge in basins

0,3m³/s

Mean precip.

424mm/an

Mean T°

15,8°C

Moisture idx

-0,69

Mean runoff

50mm/an

Mean elev. (basins)

796m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

1,1nW

Built-up

59,2%

Pesticides

2,3kg/km²

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