Ontologia

Commune · DZA

Ain Arnat

Algeria

CsaTemperate, dry summer, hot summer(72 %)

Species observed

96

Observations

463

Area

205,4km²

Ecological tissue

Sample of 20 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 Arnat : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 2 types (connectance 14.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
28
Connectance
0.147
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

96 distinct species · 463 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

463 obs · 6 cellules
Obs. / cellule
≥ 304
304–303
70–303
69–69
< 69

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

Climate

Mean T°

14,8°C

Annual rain

486mm

Warmest m°

32,2°C

Coldest m°

0,9°C

Elevation: 961 m on average (min 833 m, max 1 129 m)

Bioclimatic detailsExpert
Annual mean temp.
14,8°C
Annual rain
486mm
Warmest month
32,2°C
Coldest month
0,9°C
Mean alt.
961m
Min
833m
Max
1 129m
Std. dev.
58m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(72 %)Temperate

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

Soil & lithology

pH H₂O

7,6

Org. C

17,5g/kg

Clay

25,8%

Sand

38,8%

Silt

35,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
27,5g/kg
Clay
24,6%
Sand
39,2%
Silt
36,2%
5–15 cm
pH H₂O
7,6
Org. C
13,4g/kg
Clay
25,0%
Sand
39,2%
Silt
35,8%
15–30 cm
pH H₂O
7,6
Org. C
11,7g/kg
Clay
27,8%
Sand
38,0%
Silt
34,1%

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

Land cover

Forest2.6%
Crops47.4%
Built-up0.9%
Bare soil9.1%
Other (grassland, water…)40.0%

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

Hydrology2 basins · 2 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

53,8km

Lake surface here

2,28km²

Basins crossed

2

Max stream order

4

Max drainage

3 005km²

Discharge in basins

0,9m³/s

Mean precip.

549mm/an

Mean T°

13,5°C

Moisture idx

-0,51

Max snow

1%

Mean runoff

128mm/an

Mean elev. (basins)

941m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

4,6nW

Built-up

95,4%

Pesticides

16,0kg/km²

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