Ontologia

Commune-Cotiere · DZA

Ait-Chaffaa

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

60

Observations

72

Area

85,6km²

Ecological tissue

Sample of 22 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 Ait-Chaffaa : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 5 types (connectance 7.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
17
Connectance
0.074
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

60 distinct species · 72 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

72 obs · 2 cellules
Obs. / cellule
≥ 53
53–52
53–52
53–52
< 53

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

Climate

Mean T°

16,6°C

Annual rain

873mm

Warmest m°

28,3°C

Coldest m°

7,0°C

Elevation: 358 m on average (min -30 m, max 849 m)

Bioclimatic detailsExpert
Annual mean temp.
16,6°C
Annual rain
873mm
Warmest month
28,3°C
Coldest month
7,0°C
Mean alt.
358m
Min
-30m
Max
849m
Std. dev.
222m
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

6,3

Org. C

35,7g/kg

Clay

33,3%

Sand

32,9%

Silt

33,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
52,1g/kg
Clay
33,3%
Sand
33,2%
Silt
33,5%
5–15 cm
pH H₂O
6,3
Org. C
30,6g/kg
Clay
32,9%
Sand
32,9%
Silt
34,2%
15–30 cm
pH H₂O
6,3
Org. C
24,4g/kg
Clay
33,6%
Sand
32,7%
Silt
33,7%

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

Land cover

Forest34.5%
Crops8.8%
Built-up0.7%
Bare soil2.9%
Other (grassland, water…)53.1%

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

262km²

Discharge in basins

0,8m³/s

Mean precip.

936mm/an

Mean T°

16,3°C

Moisture idx

-0,12

Max snow

3%

Mean runoff

298mm/an

Mean elev. (basins)

448m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

68,6%

Pesticides

6,9kg/km²

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