Ontologia

Province · dza

Sétif

Algeria

CsaTemperate, dry summer, hot summer(54 %)

Species observed

970

Observations

5 656

Area

6 663km²

Ecological tissue

Sample of 43 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 Sétif : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 110 interactions GloBI sur 4 types (connectance 12.2%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
110
Connectance
0.122
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

970 distinct species · 5 656 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 656 obs · 148 cellules
Obs. / cellule
≥ 614
69–613
18–68
7–17
< 7

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

Climate

Mean T°

14,7°C

Annual rain

485mm

Warmest m°

31,7°C

Coldest m°

0,9°C

Elevation: 989 m on average (min 320 m, max 1 770 m)

Bioclimatic detailsExpert
Annual mean temp.
14,7°C
Annual rain
485mm
Warmest month
31,7°C
Coldest month
0,9°C
Mean alt.
989m
Min
320m
Max
1 770m
Std. dev.
171m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(54 %)Temperate

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

Soil & lithology

pH H₂O

7,3

Org. C

21,0g/kg

Clay

27,3%

Sand

37,5%

Silt

35,2%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
32,4g/kg
Clay
26,5%
Sand
37,8%
Silt
35,7%
5–15 cm
pH H₂O
7,3
Org. C
16,9g/kg
Clay
26,8%
Sand
37,6%
Silt
35,6%
15–30 cm
pH H₂O
7,3
Org. C
13,7g/kg
Clay
28,7%
Sand
37,0%
Silt
34,3%

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

Land cover

Forest7.8%
Crops33.8%
Built-up1.2%
Bare soil8.1%
Other (grassland, water…)49.1%

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

Hydrology21 basins · 7 lakes · 84 rivers

Hydrology metrics for this exact territory

Stream length here

762,5km

Lake surface here

75,07km²

Basins crossed

21

Max stream order

4

Max drainage

25 882km²

Discharge in basins

33,9m³/s

Mean precip.

515mm/an

Mean T°

13,7°C

Moisture idx

-0,55

Max snow

4%

Mean runoff

110mm/an

Mean elev. (basins)

915m

Watersheds crossing here

12 more basins

Lakes (7, top by area)

Rivers / streams (84, ord ≥ 4)

72 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

3,5nW

Built-up

121,4%

Pesticides

15,1kg/km²

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

Protected areas4

IUCN Not Reported · 3IUCN II · 1

Sebkha de Bazer

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2004

51 km²

Sebkhet El Hamiet

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2004

22 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations58