Ontologia

Commune · DZA

Tafreg

Algeria

CsaTemperate, dry summer, hot summer(85 %)

Species observed

11

Observations

11

Area

42,1km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 4 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 Tafreg : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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

11 distinct species · 11 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 obs · 1 cellules
Obs. / cellule
≥ 11
11–10
11–10
11–10
< 11

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

Climate

Mean T°

15,2°C

Annual rain

524mm

Warmest m°

33,7°C

Coldest m°

0,9°C

Elevation: 821 m on average (min 481 m, max 1 148 m)

Bioclimatic detailsExpert
Annual mean temp.
15,2°C
Annual rain
524mm
Warmest month
33,7°C
Coldest month
0,9°C
Mean alt.
821m
Min
481m
Max
1 148m
Std. dev.
165m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(85 %)Temperate

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

Soil & lithology

pH H₂O

7,0

Org. C

25,6g/kg

Clay

27,0%

Sand

36,8%

Silt

36,1%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
41,1g/kg
Clay
26,3%
Sand
37,0%
Silt
36,7%
5–15 cm
pH H₂O
7,1
Org. C
20,0g/kg
Clay
26,7%
Sand
36,7%
Silt
36,6%
15–30 cm
pH H₂O
7,0
Org. C
15,7g/kg
Clay
28,1%
Sand
36,8%
Silt
35,0%

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

Land cover

Forest21.0%
Crops2.5%
Built-up0.3%
Bare soil2.4%
Other (grassland, water…)73.8%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

11,1km

Basins crossed

2

Max stream order

4

Max drainage

4 298km²

Discharge in basins

0,2m³/s

Mean precip.

523mm/an

Mean T°

14,3°C

Moisture idx

-0,55

Max snow

1%

Mean runoff

124mm/an

Mean elev. (basins)

906m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

1,6nW

Built-up

34,6%

Pesticides

18,2kg/km²

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