Ontologia

Commune-Cotiere · DZA

El Aouana

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

107

Observations

254

Area

118,9km²

Ecological tissue

Sample of 37 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 El Aouana : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 4 types (connectance 8.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
55
Connectance
0.083
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

107 distinct species · 254 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

254 obs · 3 cellules
Obs. / cellule
≥ 140
140–139
140–139
74–139
< 74

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

Climate

Mean T°

17,0°C

Annual rain

955mm

Warmest m°

28,2°C

Coldest m°

7,6°C

Elevation: 332 m on average (min -52 m, max 907 m)

Bioclimatic detailsExpert
Annual mean temp.
17,0°C
Annual rain
955mm
Warmest month
28,2°C
Coldest month
7,6°C
Mean alt.
332m
Min
-52m
Max
907m
Std. dev.
203m
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

6,1

Org. C

36,5g/kg

Clay

32,1%

Sand

34,7%

Silt

33,2%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
55,8g/kg
Clay
31,1%
Sand
35,1%
Silt
33,9%
5–15 cm
pH H₂O
6,1
Org. C
33,2g/kg
Clay
31,0%
Sand
34,8%
Silt
34,2%
15–30 cm
pH H₂O
6,1
Org. C
20,4g/kg
Clay
34,3%
Sand
34,2%
Silt
31,5%

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

Land cover

Forest42.4%
Crops7.3%
Built-up0.9%
Bare soil3.6%
Other (grassland, water…)45.8%

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

Hydrology1 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

20,1km

Basins crossed

1

Max stream order

2

Max drainage

583km²

Discharge in basins

0,6m³/s

Mean precip.

909mm/an

Mean T°

16,0°C

Moisture idx

-0,14

Max snow

3%

Mean runoff

300mm/an

Mean elev. (basins)

387m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,4nW

Built-up

89,6%

Pesticides

1,2kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN II · 1🌊 Marine · 2

Taza

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 2004

62 km²

Taza

IUCN II

National Park · 1984

41 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN