Ontologia

Commune · DZA

Selma Benziada

Algeria

CsaTemperate, dry summer, hot summer(99 %)

Species observed

123

Observations

227

Area

121,1km²

Ecological tissue

Sample of 32 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 Selma Benziada : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 5 types (connectance 9.7%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
51
Connectance
0.097
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

123 distinct species · 227 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

227 obs · 3 cellules
Obs. / cellule
≥ 149
149–148
149–148
54–148
< 54

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

Climate

Mean T°

15,1°C

Annual rain

919mm

Warmest m°

27,9°C

Coldest m°

4,2°C

Elevation: 708 m on average (min 148 m, max 1 283 m)

Bioclimatic detailsExpert
Annual mean temp.
15,1°C
Annual rain
919mm
Warmest month
27,9°C
Coldest month
4,2°C
Mean alt.
708m
Min
148m
Max
1 283m
Std. dev.
267m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(99 %)Temperate

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

Soil & lithology

pH H₂O

6,0

Org. C

41,6g/kg

Clay

30,3%

Sand

36,3%

Silt

33,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
66,6g/kg
Clay
29,9%
Sand
36,6%
Silt
33,5%
5–15 cm
pH H₂O
6,1
Org. C
35,5g/kg
Clay
29,4%
Sand
36,1%
Silt
34,6%
15–30 cm
pH H₂O
6,1
Org. C
22,8g/kg
Clay
31,6%
Sand
36,3%
Silt
32,1%

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

Land cover

Forest39.4%
Crops11.2%
Built-up0.1%
Bare soil3.2%
Other (grassland, water…)46.2%

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

Hydrology2 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

16,4km

Basins crossed

2

Max stream order

3

Max drainage

583km²

Discharge in basins

0,8m³/s

Mean precip.

907mm/an

Mean T°

15,5°C

Moisture idx

-0,14

Max snow

4%

Mean runoff

294mm/an

Mean elev. (basins)

469m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

9,4%

Pesticides

3,9kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN II · 1🌊 Marine · 2

Taza

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 2004

62 km²

Taza

IUCN II

National Park · 1984

41 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN