Belezma
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2015
660 km²
Chef-Lieu-Wilaya · DZA
Batna
Algeria
BSkArid, steppe, cold(96 %)
Species observed
284
Observations
499
Area
116,9km²
Ecological tissue
Sample of 37 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 Batna : 26 espèces reliées par 69 interactions GloBI sur 5 types (connectance 10.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
69
Connectance
0.104
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
284 distinct species · 499 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,2°C
Annual rain
360mm
Warmest m°
31,8°C
Coldest m°
-0,3°C
Elevation: 1 181 m on average (min 1 009 m, max 1 626 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,2°C
Annual rain
360mm
Warmest month
31,8°C
Coldest month
-0,3°C
Mean alt.
1 181m
Min
1 009m
Max
1 626m
Std. dev.
160m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(96 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,6
Org. C
22,6g/kg
Clay
24,8%
Sand
41,9%
Silt
33,3%
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
7,5
Org. C
31,7g/kg
Clay
23,2%
Sand
42,5%
Silt
34,4%
5–15 cm
pH H₂O
7,6
Org. C
17,3g/kg
Clay
24,7%
Sand
41,7%
Silt
33,6%
15–30 cm
pH H₂O
7,7
Org. C
18,8g/kg
Clay
26,5%
Sand
41,6%
Silt
32,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest7.5%
Crops17.9%
Built-up6.9%
Bare soil7.2%
Other (grassland, water…)60.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
20,4km
Basins crossed
2
Max stream order
3
Max drainage
2 582km²
Mean precip.
381mm/an
Mean T°
13,9°C
Moisture idx
-0,69
Max snow
1%
Mean runoff
23mm/an
Mean elev. (basins)
970m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
21hab/km²
Night light
26,2nW
Built-up
688,4%
Pesticides
1,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 1IUCN II · 1
Belezma
IUCN IINational Park · 1984
272 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN