Ontologia

Commune · DZA

Hadjera Zerga

Algeria

BSkArid, steppe, cold(89 %)

Species observed

0

Observations

0

Area

148,1km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Species present

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

0 obs · 0 cellules

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

16,2°C

Annual rain

339mm

Warmest m°

34,8°C

Coldest m°

1,5°C

Elevation: 808 m on average (min 637 m, max 1 172 m)

Bioclimatic detailsExpert
Annual mean temp.
16,2°C
Annual rain
339mm
Warmest month
34,8°C
Coldest month
1,5°C
Mean alt.
808m
Min
637m
Max
1 172m
Std. dev.
142m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(89 %)Arid

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

Soil & lithology

pH H₂O

7,5

Org. C

14,2g/kg

Clay

25,7%

Sand

39,5%

Silt

34,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
21,2g/kg
Clay
25,2%
Sand
39,9%
Silt
34,9%
5–15 cm
pH H₂O
7,6
Org. C
11,7g/kg
Clay
24,7%
Sand
40,1%
Silt
35,2%
15–30 cm
pH H₂O
7,6
Org. C
9,7g/kg
Clay
27,1%
Sand
38,6%
Silt
34,4%

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

Land cover

Forest1.0%
Crops44.1%
Built-up0.1%
Bare soil12.7%
Other (grassland, water…)42.1%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,8km

Basins crossed

2

Max stream order

2

Max drainage

5 807km²

Discharge in basins

1,5m³/s

Mean precip.

371mm/an

Mean T°

15,4°C

Moisture idx

-0,69

Max snow

1%

Mean runoff

87mm/an

Mean elev. (basins)

730m

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

1,4nW

Built-up

13,3%

Pesticides

2,5kg/km²

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