Ontologia

Commune · DZA

Yellel

Algeria

BShArid, steppe, hot(66 %)

Species observed

9

Observations

10

Area

118km²

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

9 distinct species · 10 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 obs · 3 cellules
Obs. / cellule
≥ 5
5–4
5–4
3–4
< 3

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

Climate

Mean T°

18,7°C

Annual rain

353mm

Warmest m°

34,7°C

Coldest m°

5,3°C

Elevation: 147 m on average (min 54 m, max 358 m)

Bioclimatic detailsExpert
Annual mean temp.
18,7°C
Annual rain
353mm
Warmest month
34,7°C
Coldest month
5,3°C
Mean alt.
147m
Min
54m
Max
358m
Std. dev.
59m
Köppen-Geiger (dominant)
BShArid, steppe, hot(66 %)Arid

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

Soil & lithology

pH H₂O

7,6

Org. C

14,0g/kg

Clay

30,4%

Sand

29,5%

Silt

40,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
21,2g/kg
Clay
29,2%
Sand
30,1%
Silt
40,8%
5–15 cm
pH H₂O
7,7
Org. C
11,9g/kg
Clay
30,8%
Sand
29,4%
Silt
39,8%
15–30 cm
pH H₂O
7,7
Org. C
8,9g/kg
Clay
31,3%
Sand
29,2%
Silt
39,4%

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

Land cover

Forest6.0%
Crops50.2%
Built-up2.0%
Bare soil2.5%
Other (grassland, water…)39.4%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,0km

Basins crossed

2

Max stream order

3

Max drainage

809km²

Discharge in basins

0,1m³/s

Mean precip.

392mm/an

Mean T°

17,6°C

Moisture idx

-0,61

Mean runoff

18mm/an

Mean elev. (basins)

250m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

3hab/km²

Night light

2,6nW

Built-up

197,7%

Pesticides

17,2kg/km²

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