Ontologia

Commune-Cotiere · DZA

Cheraia

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

87

Observations

215

Area

67,1km²

Ecological tissue

Sample of 42 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 Cheraia : 41 espèces reliées par 40 interactions GloBI sur 6 types (connectance 4.6%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
40
Connectance
0.046
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

87 distinct species · 215 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

215 obs · 2 cellules
Obs. / cellule
≥ 193
193–192
193–192
193–192
< 193

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

Climate

Mean T°

18,0°C

Annual rain

847mm

Warmest m°

28,7°C

Coldest m°

8,4°C

Elevation: 205 m on average (min -26 m, max 624 m)

Bioclimatic detailsExpert
Annual mean temp.
18,0°C
Annual rain
847mm
Warmest month
28,7°C
Coldest month
8,4°C
Mean alt.
205m
Min
-26m
Max
624m
Std. dev.
132m
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

5,9

Org. C

49,6g/kg

Clay

29,6%

Sand

37,3%

Silt

33,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
78,1g/kg
Clay
29,3%
Sand
37,3%
Silt
33,4%
5–15 cm
pH H₂O
5,9
Org. C
43,6g/kg
Clay
29,1%
Sand
37,4%
Silt
33,5%
15–30 cm
pH H₂O
5,9
Org. C
27,0g/kg
Clay
30,3%
Sand
37,2%
Silt
32,5%

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

Land cover

Forest33.0%
Crops11.3%
Built-up1.4%
Bare soil2.7%
Other (grassland, water…)51.7%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

1 000km²

Discharge in basins

0,7m³/s

Mean precip.

1 093mm/an

Mean T°

16,2°C

Moisture idx

0,01

Max snow

4%

Mean runoff

321mm/an

Mean elev. (basins)

369m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

2,0nW

Built-up

134,7%

Pesticides

19,8kg/km²

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