Ontologia

Commune · DZA

Lardjem

Algeria

BSkArid, steppe, cold(65 %)

Species observed

2

Observations

3

Area

275,6km²

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

2 distinct species · 3 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 obs · 1 cellules
Obs. / cellule
≥ 3
3–2
3–2
3–2
< 3

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

Climate

Mean T°

16,4°C

Annual rain

450mm

Warmest m°

35,0°C

Coldest m°

2,9°C

Elevation: 725 m on average (min 465 m, max 998 m)

Bioclimatic detailsExpert
Annual mean temp.
16,4°C
Annual rain
450mm
Warmest month
35,0°C
Coldest month
2,9°C
Mean alt.
725m
Min
465m
Max
998m
Std. dev.
111m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(65 %)Arid

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

Soil & lithology

pH H₂O

7,3

Org. C

22,5g/kg

Clay

28,5%

Sand

33,8%

Silt

37,7%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
36,8g/kg
Clay
28,2%
Sand
33,5%
Silt
38,3%
5–15 cm
pH H₂O
7,4
Org. C
17,7g/kg
Clay
28,0%
Sand
34,0%
Silt
38,0%
15–30 cm
pH H₂O
7,4
Org. C
13,1g/kg
Clay
29,5%
Sand
33,8%
Silt
36,7%

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

Land cover

Forest18.9%
Crops11.1%
Built-up0.4%
Bare soil2.9%
Other (grassland, water…)66.7%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

32,3km

Basins crossed

1

Max stream order

3

Max drainage

1 378km²

Discharge in basins

0,4m³/s

Mean precip.

483mm/an

Mean T°

15,9°C

Moisture idx

-0,55

Mean runoff

51mm/an

Mean elev. (basins)

673m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

0,7nW

Built-up

43,3%

Pesticides

17,7kg/km²

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