Ontologia

Chef-Lieu-Wilaya · DZA

Souk Ahras

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

51

Observations

73

Area

44,5km²

Ecological tissue

Sample of 24 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Souk Ahras : 23 espèces reliées par 20 interactions GloBI sur 4 types (connectance 7.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
20
Connectance
0.072
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

51 distinct species · 73 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

73 obs · 1 cellules
Obs. / cellule
≥ 73
73–72
73–72
73–72
< 73

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

Climate

Mean T°

16,2°C

Annual rain

586mm

Warmest m°

32,6°C

Coldest m°

2,6°C

Elevation: 663 m on average (min 557 m, max 946 m)

Bioclimatic detailsExpert
Annual mean temp.
16,2°C
Annual rain
586mm
Warmest month
32,6°C
Coldest month
2,6°C
Mean alt.
663m
Min
557m
Max
946m
Std. dev.
77m
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

6,6

Org. C

30,2g/kg

Clay

37,2%

Sand

28,2%

Silt

34,6%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
48,5g/kg
Clay
38,3%
Sand
27,7%
Silt
34,0%
5–15 cm
pH H₂O
6,7
Org. C
24,5g/kg
Clay
37,7%
Sand
27,8%
Silt
34,5%
15–30 cm
pH H₂O
6,7
Org. C
17,7g/kg
Clay
35,5%
Sand
29,1%
Silt
35,4%

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

Land cover

Forest8.4%
Crops14.6%
Built-up7.9%
Bare soil5.0%
Other (grassland, water…)64.2%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

12,4km

Basins crossed

1

Max stream order

3

Max drainage

2 579km²

Discharge in basins

0,2m³/s

Mean precip.

735mm/an

Mean T°

15,2°C

Moisture idx

-0,43

Max snow

1%

Mean runoff

162mm/an

Mean elev. (basins)

623m

Watersheds crossing here

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

Human pressure

Pop. density

33hab/km²

Night light

25,8nW

Built-up

788,0%

Pesticides

17,7kg/km²

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