Ontologia

Commune · DZA

Ouldja Boulbalout

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

12

Observations

12

Area

70,1km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 6 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 Ouldja Boulbalout : 6 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 3 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
3
Connectance
0.200
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

12 distinct species · 12 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 obs · 2 cellules
Obs. / cellule
≥ 7
7–6
7–6
7–6
< 7

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

Climate

Mean T°

17,3°C

Annual rain

847mm

Warmest m°

31,8°C

Coldest m°

5,0°C

Elevation: 307 m on average (min 88 m, max 730 m)

Bioclimatic detailsExpert
Annual mean temp.
17,3°C
Annual rain
847mm
Warmest month
31,8°C
Coldest month
5,0°C
Mean alt.
307m
Min
88m
Max
730m
Std. dev.
151m
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

6,0

Org. C

45,3g/kg

Clay

28,6%

Sand

36,3%

Silt

35,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
74,2g/kg
Clay
26,8%
Sand
37,3%
Silt
35,9%
5–15 cm
pH H₂O
6,0
Org. C
34,6g/kg
Clay
27,5%
Sand
36,6%
Silt
35,9%
15–30 cm
pH H₂O
6,0
Org. C
27,2g/kg
Clay
31,6%
Sand
35,1%
Silt
33,3%

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

Land cover

Forest38.3%
Crops9.2%
Built-up0.3%
Bare soil2.8%
Other (grassland, water…)49.4%

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

Hydrology3 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

3

Max drainage

1 000km²

Discharge in basins

0,7m³/s

Mean precip.

1 029mm/an

Mean T°

16,4°C

Moisture idx

-0,06

Max snow

4%

Mean runoff

299mm/an

Mean elev. (basins)

384m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,1nW

Built-up

32,4%

Pesticides

11,8kg/km²

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