Ontologia

Province · dza

Tébessa

Algeria

BSkArid, steppe, cold(64 %)

Species observed

152

Observations

306

Area

13 256,8km²

Ecological tissue

Sample of 40 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 Tébessa : 31 espèces reliées par 65 interactions GloBI sur 5 types (connectance 7.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
65
Connectance
0.079
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

152 distinct species · 306 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

306 obs · 78 cellules
Obs. / cellule
≥ 62
9–61
3–8
2–2
< 2

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

Climate

Mean T°

16,9°C

Annual rain

310mm

Warmest m°

34,0°C

Coldest m°

1,8°C

Elevation: 831 m on average (min 14 m, max 1 602 m)

Bioclimatic detailsExpert
Annual mean temp.
16,9°C
Annual rain
310mm
Warmest month
34,0°C
Coldest month
1,8°C
Mean alt.
831m
Min
14m
Max
1 602m
Std. dev.
334m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(64 %)Arid

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

Soil & lithology

pH H₂O

7,9

Org. C

11,8g/kg

Clay

23,7%

Sand

44,6%

Silt

31,7%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
15,6g/kg
Clay
22,4%
Sand
45,4%
Silt
32,2%
5–15 cm
pH H₂O
7,9
Org. C
10,5g/kg
Clay
23,6%
Sand
44,5%
Silt
31,9%
15–30 cm
pH H₂O
7,9
Org. C
9,3g/kg
Clay
25,0%
Sand
43,9%
Silt
31,1%

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

Land cover

Forest4.6%
Crops23.2%
Built-up0.2%
Bare soil28.1%
Other (grassland, water…)43.9%

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

Hydrology27 basins · 0 lakes · 22 rivers

Hydrology metrics for this exact territory

Stream length here

443,0km

Basins crossed

27

Max stream order

5

Max drainage

12 065km²

Discharge in basins

28,5m³/s

Mean precip.

309mm/an

Mean T°

16,2°C

Moisture idx

-0,77

Mean runoff

46mm/an

Mean elev. (basins)

765m

Watersheds crossing here

18 more basins

Rivers / streams (22, ord ≥ 4)

10 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

24,4%

Pesticides

5,1kg/km²

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

Sub-administrations25