Djurdjura
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1997
380 km²
Commune · DZA
Saharidj
Algeria
CsaTemperate, dry summer, hot summer(89 %)
Species observed
180
Observations
678
Area
94,1km²
Ecological tissue
Sample of 44 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 Saharidj : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
77
Connectance
0.081
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
180 distinct species · 678 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,9°C
Annual rain
875mm
Warmest m°
31,5°C
Coldest m°
-1,7°C
Elevation: 1 129 m on average (min 527 m, max 1 883 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,9°C
Annual rain
875mm
Warmest month
31,5°C
Coldest month
-1,7°C
Mean alt.
1 129m
Min
527m
Max
1 883m
Std. dev.
366m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(89 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
40,3g/kg
Clay
32,0%
Sand
33,8%
Silt
34,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
61,7g/kg
Clay
32,3%
Sand
33,7%
Silt
34,0%
5–15 cm
pH H₂O
6,6
Org. C
33,1g/kg
Clay
31,8%
Sand
33,6%
Silt
34,7%
15–30 cm
pH H₂O
6,6
Org. C
26,0g/kg
Clay
32,1%
Sand
34,1%
Silt
33,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.2%
Crops11.6%
Built-up0.5%
Bare soil3.3%
Other (grassland, water…)66.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,1km
Basins crossed
4
Max stream order
1
Max drainage
3 764km²
Discharge in basins
6,5m³/s
Mean precip.
702mm/an
Mean T°
15,9°C
Moisture idx
-0,39
Max snow
3%
Mean runoff
168mm/an
Mean elev. (basins)
709m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,2nW
Built-up
51,1%
Pesticides
17,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 1IUCN II · 1
Djurdjura
IUCN IINational Park · 1983
202 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN