Ontologia

Commune · DZA

Mechraa Houari Boumediene

Algeria

BWhArid, desert, hot(100 %)

Species observed

41

Observations

78

Area

3 218,8km²

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 Mechraa Houari Boumediene : 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

41 distinct species · 78 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

78 obs · 19 cellules
Obs. / cellule
≥ 15
10–14
5–9
2–4
< 2

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

Climate

Mean T°

22,8°C

Annual rain

59mm

Warmest m°

40,6°C

Coldest m°

3,9°C

Elevation: 684 m on average (min 541 m, max 780 m)

Bioclimatic detailsExpert
Annual mean temp.
22,8°C
Annual rain
59mm
Warmest month
40,6°C
Coldest month
3,9°C
Mean alt.
684m
Min
541m
Max
780m
Std. dev.
51m
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

8,2

Org. C

3,4g/kg

Clay

23,4%

Sand

46,6%

Silt

30,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
4,1g/kg
Clay
23,2%
Sand
46,4%
Silt
30,4%
5–15 cm
pH H₂O
8,2
Org. C
3,5g/kg
Clay
23,5%
Sand
46,8%
Silt
29,8%
15–30 cm
pH H₂O
8,1
Org. C
2,7g/kg
Clay
23,4%
Sand
46,5%
Silt
30,0%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil99.2%
Other (grassland, water…)0.8%

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

Hydrology14 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

20,1km

Basins crossed

14

Max stream order

6

Max drainage

43 718km²

Discharge in basins

42,9m³/s

Mean precip.

67mm/an

Mean T°

21,9°C

Moisture idx

-0,96

Mean runoff

20mm/an

Mean elev. (basins)

694m

Watersheds crossing here

5 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

1,0%

Pesticides

0,0kg/km²

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