Ontologia

Commune · DZA

Sidi Fredj

Algeria

CsaTemperate, dry summer, hot summer(84 %)

Species observed

12

Observations

80

Area

277,1km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 1 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 Sidi Fredj : 0 espèces reliées par 0 interaction GloBI sur 0 type (connectance 0.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
1
Interactions affichées
0
Connectance
0.0000
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

12 distinct species · 80 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

80 obs · 4 cellules
Obs. / cellule
≥ 75
75–74
2–74
2–1
< 2

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

Climate

Mean T°

17,1°C

Annual rain

489mm

Warmest m°

34,6°C

Coldest m°

2,8°C

Elevation: 597 m on average (min 431 m, max 935 m)

Bioclimatic detailsExpert
Annual mean temp.
17,1°C
Annual rain
489mm
Warmest month
34,6°C
Coldest month
2,8°C
Mean alt.
597m
Min
431m
Max
935m
Std. dev.
95m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(84 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,3

Org. C

17,3g/kg

Clay

35,3%

Sand

31,1%

Silt

33,6%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
26,3g/kg
Clay
35,7%
Sand
30,7%
Silt
33,5%
5–15 cm
pH H₂O
7,3
Org. C
14,5g/kg
Clay
35,2%
Sand
31,0%
Silt
33,7%
15–30 cm
pH H₂O
7,3
Org. C
11,0g/kg
Clay
34,8%
Sand
31,6%
Silt
33,6%

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

Land cover

Forest4.4%
Crops36.8%
Built-up0.2%
Bare soil13.2%
Other (grassland, water…)45.4%

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

Hydrology5 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

50,5km

Basins crossed

5

Max stream order

4

Max drainage

10 716km²

Discharge in basins

5,6m³/s

Mean precip.

542mm/an

Mean T°

15,8°C

Moisture idx

-0,59

Mean runoff

93mm/an

Mean elev. (basins)

584m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

22,9%

Pesticides

8,3kg/km²

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