Réserve Naturelle du Lac de Réghaïa
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2003
3 km²
Commune-Cotiere · DZA
Haraoua
Algeria
CsaTemperate, dry summer, hot summer(100 %)
Species observed
169
Observations
357
Area
21,2km²
Ecological tissue
Sample of 38 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 Haraoua : 30 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 57 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
57
Connectance
0.081
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
169 distinct species · 357 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,5°C
Annual rain
692mm
Warmest m°
31,1°C
Coldest m°
8,4°C
Elevation: 26 m on average (min -37 m, max 40 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,5°C
Annual rain
692mm
Warmest month
31,1°C
Coldest month
8,4°C
Mean alt.
26m
Min
-37m
Max
40m
Std. dev.
13m
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
6,3
Clay
32,9%
Sand
35,7%
Silt
31,4%
Average over 0-30 cm. Per-depth details in expert panel.
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Clay
33,2%
Sand
35,4%
Silt
31,5%
5–15 cm
pH H₂O
6,4
Clay
33,1%
Sand
35,3%
Silt
31,6%
15–30 cm
pH H₂O
6,3
Clay
32,4%
Sand
36,5%
Silt
31,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.4%
Crops19.1%
Built-up10.0%
Bare soil1.8%
Other (grassland, water…)60.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 0 rivers
Hydrology metrics for this exact territory
Lake surface here
0,53km²
Basins crossed
1
Max drainage
850km²
Discharge in basins
0,0m³/s
Mean precip.
734mm/an
Mean T°
17,2°C
Moisture idx
-0,36
Max snow
1%
Mean runoff
207mm/an
Mean elev. (basins)
218m
Watersheds crossing here
Lakes (1, top by area)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
26hab/km²
Night light
33,4nW
Built-up
999,9%
Pesticides
20,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN