Ontologia

Commune · DZA

Oued El Djemaa

Algeria

BShArid, steppe, hot(98 %)

Species observed

37

Observations

74

Area

179,8km²

Ecological tissue

Sample of 13 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 Oued El Djemaa : 12 espèces reliées par 9 interactions GloBI sur 2 types (connectance 11.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
9
Connectance
0.115
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

37 distinct species · 74 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

74 obs · 4 cellules
Obs. / cellule
≥ 45
45–44
24–44
24–23
< 24

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

Climate

Mean T°

19,4°C

Annual rain

318mm

Warmest m°

36,2°C

Coldest m°

5,9°C

Elevation: 67 m on average (min 37 m, max 187 m)

Bioclimatic detailsExpert
Annual mean temp.
19,4°C
Annual rain
318mm
Warmest month
36,2°C
Coldest month
5,9°C
Mean alt.
67m
Min
37m
Max
187m
Std. dev.
24m
Köppen-Geiger (dominant)
BShArid, steppe, hot(98 %)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

16,6g/kg

Clay

32,2%

Sand

27,8%

Silt

40,0%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
22,7g/kg
Clay
31,9%
Sand
27,9%
Silt
40,2%
5–15 cm
pH H₂O
7,7
Org. C
13,7g/kg
Clay
32,1%
Sand
27,9%
Silt
40,1%
15–30 cm
pH H₂O
7,8
Org. C
13,3g/kg
Clay
32,7%
Sand
27,6%
Silt
39,7%

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

Land cover

Forest2.6%
Crops58.5%
Built-up0.9%
Bare soil12.0%
Other (grassland, water…)25.9%

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

Hydrology3 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,1km

Lake surface here

16,22km²

Basins crossed

3

Max stream order

4

Max drainage

35 991km²

Discharge in basins

0,7m³/s

Mean precip.

389mm/an

Mean T°

17,8°C

Moisture idx

-0,63

Mean runoff

37mm/an

Mean elev. (basins)

193m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

1,3nW

Built-up

91,3%

Pesticides

17,1kg/km²

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