Ontologia

Commune · DZA

Ourlal

Algeria

BWhArid, desert, hot(100 %)

Species observed

2

Observations

2

Area

189,7km²

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 · 2 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 obs · 2 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 1

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

Climate

Mean T°

22,4°C

Annual rain

137mm

Warmest m°

39,5°C

Coldest m°

5,6°C

Elevation: 97 m on average (min 77 m, max 127 m)

Bioclimatic detailsExpert
Annual mean temp.
22,4°C
Annual rain
137mm
Warmest month
39,5°C
Coldest month
5,6°C
Mean alt.
97m
Min
77m
Max
127m
Std. dev.
11m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

8,3

Org. C

7,7g/kg

Clay

23,6%

Sand

38,5%

Silt

37,9%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,3
Org. C
9,6g/kg
Clay
22,5%
Sand
39,6%
Silt
37,9%
5–15 cm
pH H₂O
8,3
Org. C
6,2g/kg
Clay
23,1%
Sand
39,0%
Silt
38,0%
15–30 cm
pH H₂O
8,3
Org. C
7,3g/kg
Clay
25,2%
Sand
36,9%
Silt
37,8%

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

Land cover

Forest1.7%
Crops4.5%
Built-up0.3%
Bare soil85.9%
Other (grassland, water…)7.5%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,5km

Basins crossed

3

Max stream order

5

Max drainage

33 290km²

Discharge in basins

2,2m³/s

Mean precip.

120mm/an

Mean T°

21,7°C

Moisture idx

-0,92

Mean runoff

33mm/an

Mean elev. (basins)

82m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

1,0nW

Built-up

34,7%

Pesticides

1,8kg/km²

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