Ontologia

Commune · DZA

El Malah

Algeria

BShArid, steppe, hot(95 %)

Species observed

44

Observations

56

Area

68,8km²

Ecological tissue

Sample of 19 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 Malah : 18 espèces reliées par 20 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
20
Connectance
0.105
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

44 distinct species · 56 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

56 obs · 2 cellules
Obs. / cellule
≥ 49
49–48
49–48
49–48
< 49

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

Climate

Mean T°

18,8°C

Annual rain

333mm

Warmest m°

31,3°C

Coldest m°

7,9°C

Elevation: 81 m on average (min 43 m, max 175 m)

Bioclimatic detailsExpert
Annual mean temp.
18,8°C
Annual rain
333mm
Warmest month
31,3°C
Coldest month
7,9°C
Mean alt.
81m
Min
43m
Max
175m
Std. dev.
26m
Köppen-Geiger (dominant)
BShArid, steppe, hot(95 %)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

14,6g/kg

Clay

30,7%

Sand

35,2%

Silt

34,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
22,8g/kg
Clay
29,9%
Sand
35,4%
Silt
34,7%
5–15 cm
pH H₂O
7,8
Org. C
12,6g/kg
Clay
31,0%
Sand
34,8%
Silt
34,2%
15–30 cm
pH H₂O
7,8
Org. C
8,4g/kg
Clay
31,3%
Sand
35,3%
Silt
33,4%

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

Land cover

Forest3.2%
Crops51.9%
Built-up1.1%
Bare soil4.0%
Other (grassland, water…)39.9%

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

Hydrology4 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

22,5km

Basins crossed

4

Max stream order

3

Max drainage

708km²

Discharge in basins

0,2m³/s

Mean precip.

433mm/an

Mean T°

17,8°C

Moisture idx

-0,59

Mean runoff

19mm/an

Mean elev. (basins)

121m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

3,1nW

Built-up

104,9%

Pesticides

23,4kg/km²

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