Ontologia

Chef-Lieu-Wilaya · DZA

Boumerdes

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

34

Observations

62

Area

18,5km²

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 Boumerdes : 4 espèces reliées par 2 interactions GloBI sur 1 type (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

34 distinct species · 62 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

62 obs · 1 cellules
Obs. / cellule
≥ 62
62–61
62–61
62–61
< 62

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

Climate

Mean T°

18,3°C

Annual rain

681mm

Warmest m°

31,2°C

Coldest m°

7,8°C

Elevation: 69 m on average (min -24 m, max 248 m)

Bioclimatic detailsExpert
Annual mean temp.
18,3°C
Annual rain
681mm
Warmest month
31,2°C
Coldest month
7,8°C
Mean alt.
69m
Min
-24m
Max
248m
Std. dev.
55m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,8

Clay

35,4%

Sand

31,5%

Silt

33,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Clay
34,7%
Sand
31,7%
Silt
33,6%
5–15 cm
pH H₂O
6,8
Clay
35,3%
Sand
31,2%
Silt
33,5%
15–30 cm
pH H₂O
6,8
Clay
36,2%
Sand
31,5%
Silt
32,3%

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

Land cover

Forest8.7%
Crops9.6%
Built-up11.1%
Bare soil1.8%
Other (grassland, water…)68.9%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,8km

Basins crossed

1

Max stream order

2

Max drainage

850km²

Discharge in basins

0,0m³/s

Mean precip.

734mm/an

Mean T°

17,2°C

Moisture idx

-0,36

Max snow

1%

Mean runoff

207mm/an

Mean elev. (basins)

218m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

21hab/km²

Night light

31,3nW

Built-up

1 105,5%

Pesticides

20,5kg/km²

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