Ontologia

Commune · DZA

Ain Lahdjar

Algeria

BSkArid, steppe, cold(100 %)

Species observed

10

Observations

11

Area

227,9km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 3 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 Ain Lahdjar : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

10 distinct species · 11 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 obs · 6 cellules
Obs. / cellule
≥ 4
4–3
2–3
2–1
< 2

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

Climate

Mean T°

15,5°C

Annual rain

326mm

Warmest m°

33,1°C

Coldest m°

1,5°C

Elevation: 934 m on average (min 896 m, max 1 100 m)

Bioclimatic detailsExpert
Annual mean temp.
15,5°C
Annual rain
326mm
Warmest month
33,1°C
Coldest month
1,5°C
Mean alt.
934m
Min
896m
Max
1 100m
Std. dev.
35m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid

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

Soil & lithology

pH H₂O

7,7

Org. C

13,5g/kg

Clay

25,6%

Sand

38,8%

Silt

35,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
19,1g/kg
Clay
24,5%
Sand
39,4%
Silt
36,1%
5–15 cm
pH H₂O
7,7
Org. C
11,5g/kg
Clay
24,7%
Sand
39,1%
Silt
36,2%
15–30 cm
pH H₂O
7,7
Org. C
10,0g/kg
Clay
27,7%
Sand
37,9%
Silt
34,4%

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

Land cover

Forest2.6%
Crops42.8%
Built-up1.4%
Bare soil18.1%
Other (grassland, water…)35.0%

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

Hydrology3 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

13,86km²

Basins crossed

3

Max drainage

1 177km²

Discharge in basins

0,2m³/s

Mean precip.

410mm/an

Mean T°

13,5°C

Moisture idx

-0,65

Max snow

1%

Mean runoff

58mm/an

Mean elev. (basins)

980m

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

Human pressure

Pop. density

1hab/km²

Night light

2,6nW

Built-up

144,9%

Pesticides

4,2kg/km²

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

Protected areas1

IUCN Not Reported · 1

Sebkhet El Hamiet

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2004

22 km²

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