Ontologia

Commune · DZA

Zerdeza

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

3

Observations

3

Area

99,9km²

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

3 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°

16,7°C

Annual rain

686mm

Warmest m°

31,1°C

Coldest m°

4,4°C

Elevation: 437 m on average (min 177 m, max 763 m)

Bioclimatic detailsExpert
Annual mean temp.
16,7°C
Annual rain
686mm
Warmest month
31,1°C
Coldest month
4,4°C
Mean alt.
437m
Min
177m
Max
763m
Std. dev.
145m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,7

Org. C

26,6g/kg

Clay

35,1%

Sand

32,5%

Silt

32,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
41,9g/kg
Clay
35,1%
Sand
32,4%
Silt
32,5%
5–15 cm
pH H₂O
6,7
Org. C
21,6g/kg
Clay
35,1%
Sand
32,1%
Silt
32,8%
15–30 cm
pH H₂O
6,7
Org. C
16,4g/kg
Clay
35,2%
Sand
32,9%
Silt
31,9%

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

Land cover

Forest19.0%
Crops18.5%
Built-up0.6%
Bare soil3.4%
Other (grassland, water…)58.5%

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

Hydrology2 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

11,3km

Lake surface here

1,32km²

Basins crossed

2

Max stream order

3

Max drainage

1 837km²

Discharge in basins

0,8m³/s

Mean precip.

760mm/an

Mean T°

16,3°C

Moisture idx

-0,33

Max snow

1%

Mean runoff

218mm/an

Mean elev. (basins)

342m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

58,3%

Pesticides

17,9kg/km²

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