Ontologia

Commune · DZA

Benyahia Abderrahmane

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

56

Observations

332

Area

110,4km²

Ecological tissue

Sample of 17 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 Benyahia Abderrahmane : 15 espèces reliées par 15 interactions GloBI sur 3 types (connectance 11.0%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
15
Connectance
0.110
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

56 distinct species · 332 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

332 obs · 3 cellules
Obs. / cellule
≥ 296
296–295
296–295
19–295
< 19

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

Climate

Mean T°

15,0°C

Annual rain

517mm

Warmest m°

32,7°C

Coldest m°

0,8°C

Elevation: 946 m on average (min 838 m, max 1 096 m)

Bioclimatic detailsExpert
Annual mean temp.
15,0°C
Annual rain
517mm
Warmest month
32,7°C
Coldest month
0,8°C
Mean alt.
946m
Min
838m
Max
1 096m
Std. dev.
74m
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

19,9g/kg

Clay

30,5%

Sand

34,3%

Silt

35,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
30,6g/kg
Clay
30,5%
Sand
34,3%
Silt
35,2%
5–15 cm
pH H₂O
6,9
Org. C
16,4g/kg
Clay
30,8%
Sand
34,1%
Silt
35,1%
15–30 cm
pH H₂O
6,9
Org. C
12,8g/kg
Clay
30,3%
Sand
34,5%
Silt
35,2%

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

Land cover

Forest2.5%
Crops57.4%
Built-up0.7%
Bare soil7.2%
Other (grassland, water…)32.2%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

9,3km

Basins crossed

1

Max stream order

2

Max drainage

1 433km²

Discharge in basins

0,4m³/s

Mean precip.

561mm/an

Mean T°

13,7°C

Moisture idx

-0,52

Max snow

1%

Mean runoff

118mm/an

Mean elev. (basins)

892m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,5nW

Built-up

66,4%

Pesticides

17,2kg/km²

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