Ontologia

Commune · DZA

El Allia

Algeria

BWhArid, desert, hot(100 %)

Species observed

19

Observations

31

Area

6 617,7km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 4 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 El Allia : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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

19 distinct species · 31 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 obs · 16 cellules
Obs. / cellule
≥ 5
5–4
2–4
1–1
< 1

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

Climate

Mean T°

22,4°C

Annual rain

71mm

Warmest m°

39,5°C

Coldest m°

5,3°C

Elevation: 176 m on average (min 77 m, max 343 m)

Bioclimatic detailsExpert
Annual mean temp.
22,4°C
Annual rain
71mm
Warmest month
39,5°C
Coldest month
5,3°C
Mean alt.
176m
Min
77m
Max
343m
Std. dev.
58m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

8,3

Org. C

5,2g/kg

Clay

24,1%

Sand

43,2%

Silt

32,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,3
Org. C
6,1g/kg
Clay
23,8%
Sand
43,5%
Silt
32,7%
5–15 cm
pH H₂O
8,4
Org. C
5,4g/kg
Clay
24,2%
Sand
43,4%
Silt
32,4%
15–30 cm
pH H₂O
8,3
Org. C
4,0g/kg
Clay
24,3%
Sand
42,7%
Silt
33,0%

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

Land cover

Forest0.1%
Crops0.0%
Built-up0.0%
Bare soil99.0%
Other (grassland, water…)0.9%

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

Hydrology13 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

74,7km

Basins crossed

13

Max stream order

5

Max drainage

7 047km²

Discharge in basins

3,0m³/s

Mean precip.

72mm/an

Mean T°

21,1°C

Moisture idx

-0,96

Mean runoff

14mm/an

Mean elev. (basins)

225m

Watersheds crossing here

4 more basins

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,7%

Pesticides

0,0kg/km²

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