Ontologia

Commune-Cotiere · DZA

Cherchel

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

65

Observations

195

Area

121km²

Ecological tissue

Sample of 2 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 Cherchel : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

65 distinct species · 195 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

195 obs · 3 cellules
Obs. / cellule
≥ 130
130–129
130–129
62–129
< 62

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

Climate

Mean T°

17,4°C

Annual rain

589mm

Warmest m°

27,9°C

Coldest m°

8,7°C

Elevation: 210 m on average (min -28 m, max 669 m)

Bioclimatic detailsExpert
Annual mean temp.
17,4°C
Annual rain
589mm
Warmest month
27,9°C
Coldest month
8,7°C
Mean alt.
210m
Min
-28m
Max
669m
Std. dev.
140m
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

6,8

Org. C

30,2g/kg

Clay

34,8%

Sand

32,2%

Silt

33,0%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
48,9g/kg
Clay
35,0%
Sand
31,6%
Silt
33,5%
5–15 cm
pH H₂O
6,8
Org. C
23,1g/kg
Clay
35,7%
Sand
31,6%
Silt
32,8%
15–30 cm
pH H₂O
6,8
Org. C
18,6g/kg
Clay
33,8%
Sand
33,4%
Silt
32,8%

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

Land cover

Forest22.0%
Crops8.3%
Built-up1.7%
Bare soil3.0%
Other (grassland, water…)65.0%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

19,0km

Basins crossed

1

Max stream order

2

Max drainage

1 323km²

Discharge in basins

0,1m³/s

Mean precip.

677mm/an

Mean T°

17,6°C

Moisture idx

-0,36

Max snow

1%

Mean runoff

183mm/an

Mean elev. (basins)

333m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

3,9nW

Built-up

167,6%

Pesticides

22,6kg/km²

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