Ontologia

Commune · DZA

Ferdjioua

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

46

Observations

419

Area

76km²

Ecological tissue

Sample of 16 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 Ferdjioua : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 3 types (connectance 14.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
17
Connectance
0.142
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

46 distinct species · 419 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

419 obs · 3 cellules
Obs. / cellule
≥ 344
344–343
344–343
66–343
< 66

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

Climate

Mean T°

16,3°C

Annual rain

536mm

Warmest m°

33,5°C

Coldest m°

2,1°C

Elevation: 638 m on average (min 397 m, max 962 m)

Bioclimatic detailsExpert
Annual mean temp.
16,3°C
Annual rain
536mm
Warmest month
33,5°C
Coldest month
2,1°C
Mean alt.
638m
Min
397m
Max
962m
Std. dev.
114m
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

6,9

Org. C

25,3g/kg

Clay

34,1%

Sand

31,7%

Silt

34,2%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
41,3g/kg
Clay
34,3%
Sand
31,4%
Silt
34,2%
5–15 cm
pH H₂O
6,9
Org. C
20,2g/kg
Clay
34,0%
Sand
31,4%
Silt
34,7%
15–30 cm
pH H₂O
6,9
Org. C
14,3g/kg
Clay
34,0%
Sand
32,3%
Silt
33,7%

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

Land cover

Forest8.4%
Crops30.9%
Built-up2.3%
Bare soil4.9%
Other (grassland, water…)53.5%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

15,3km

Basins crossed

1

Max stream order

3

Max drainage

2 185km²

Discharge in basins

0,5m³/s

Mean precip.

726mm/an

Mean T°

14,0°C

Moisture idx

-0,35

Max snow

1%

Mean runoff

197mm/an

Mean elev. (basins)

773m

Watersheds crossing here

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

Human pressure

Pop. density

6hab/km²

Night light

7,8nW

Built-up

226,6%

Pesticides

17,6kg/km²

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