Ontologia

Commune · DZA

Ain Oussera

Algeria

BSkArid, steppe, cold(100 %)

Species observed

65

Observations

103

Area

738,7km²

Ecological tissue

Sample of 25 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 Ain Oussera : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 3 types (connectance 9.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
27
Connectance
0.090
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

65 distinct species · 103 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

103 obs · 11 cellules
Obs. / cellule
≥ 35
30–34
7–29
6–6
< 6

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

Climate

Mean T°

17,2°C

Annual rain

261mm

Warmest m°

36,5°C

Coldest m°

1,7°C

Elevation: 732 m on average (min 630 m, max 923 m)

Bioclimatic detailsExpert
Annual mean temp.
17,2°C
Annual rain
261mm
Warmest month
36,5°C
Coldest month
1,7°C
Mean alt.
732m
Min
630m
Max
923m
Std. dev.
64m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid

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

Soil & lithology

pH H₂O

7,8

Org. C

11,4g/kg

Clay

26,4%

Sand

37,8%

Silt

35,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
16,3g/kg
Clay
25,8%
Sand
37,7%
Silt
36,5%
5–15 cm
pH H₂O
7,8
Org. C
9,7g/kg
Clay
26,6%
Sand
38,0%
Silt
35,4%
15–30 cm
pH H₂O
7,9
Org. C
8,1g/kg
Clay
26,8%
Sand
37,6%
Silt
35,5%

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

Land cover

Forest0.7%
Crops21.6%
Built-up0.5%
Bare soil36.8%
Other (grassland, water…)40.5%

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

Hydrology6 basins · 4 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

10,7km

Lake surface here

3,49km²

Basins crossed

6

Max stream order

3

Max drainage

20 791km²

Discharge in basins

3,4m³/s

Mean precip.

303mm/an

Mean T°

15,1°C

Moisture idx

-0,74

Mean runoff

58mm/an

Mean elev. (basins)

732m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

1,7nW

Built-up

49,2%

Pesticides

0,0kg/km²

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