Ontologia

Commune · DZA

Hannacha

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

6

Observations

14

Area

56,4km²

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

6 distinct species · 14 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 obs · 2 cellules
Obs. / cellule
≥ 13
13–12
13–12
13–12
< 13

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

Climate

Mean T°

16,5°C

Annual rain

503mm

Warmest m°

34,0°C

Coldest m°

2,6°C

Elevation: 584 m on average (min 369 m, max 752 m)

Bioclimatic detailsExpert
Annual mean temp.
16,5°C
Annual rain
503mm
Warmest month
34,0°C
Coldest month
2,6°C
Mean alt.
584m
Min
369m
Max
752m
Std. dev.
102m
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

7,0

Org. C

23,1g/kg

Clay

33,6%

Sand

30,4%

Silt

35,9%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
38,6g/kg
Clay
33,8%
Sand
30,3%
Silt
36,0%
5–15 cm
pH H₂O
7,0
Org. C
17,5g/kg
Clay
34,2%
Sand
30,0%
Silt
35,9%
15–30 cm
pH H₂O
7,0
Org. C
13,2g/kg
Clay
33,0%
Sand
31,1%
Silt
35,9%

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

Land cover

Forest17.7%
Crops14.5%
Built-up0.6%
Bare soil4.8%
Other (grassland, water…)62.5%

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

Hydrology1 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

4,5km

Lake surface here

0,06km²

Basins crossed

1

Max stream order

6

Max drainage

23 729km²

Discharge in basins

0,9m³/s

Mean precip.

610mm/an

Mean T°

16,1°C

Moisture idx

-0,45

Max snow

1%

Mean runoff

139mm/an

Mean elev. (basins)

668m

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

1,4nW

Built-up

62,1%

Pesticides

18,0kg/km²

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