Barrage Merguellil - El Houareb
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2012
8 km²
Delegation · TUN
Haffouz
Tunisia
BShArid, steppe, hot(93 %)
Species observed
157
Observations
391
Area
210,7km²
Ecological tissue
Sample of 30 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 Haffouz : 26 espèces reliées par 41 interactions GloBI sur 2 types (connectance 9.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
41
Connectance
0.094
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
157 distinct species · 391 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,8°C
Annual rain
353mm
Warmest m°
35,7°C
Coldest m°
4,8°C
Elevation: 297 m on average (min 164 m, max 842 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,8°C
Annual rain
353mm
Warmest month
35,7°C
Coldest month
4,8°C
Mean alt.
297m
Min
164m
Max
842m
Std. dev.
128m
Köppen-Geiger (dominant)
BShArid, steppe, hot(93 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,8
Org. C
15,2g/kg
Clay
29,1%
Sand
43,0%
Silt
27,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,7
Org. C
20,3g/kg
Clay
26,9%
Sand
44,4%
Silt
28,7%
5–15 cm
pH H₂O
7,9
Org. C
14,0g/kg
Clay
28,8%
Sand
43,1%
Silt
28,2%
15–30 cm
pH H₂O
7,9
Org. C
11,4g/kg
Clay
31,6%
Sand
41,6%
Silt
26,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest10.4%
Crops17.1%
Built-up0.9%
Bare soil14.6%
Other (grassland, water…)57.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
18,6km
Lake surface here
4,99km²
Basins crossed
3
Max stream order
2
Max drainage
8 994km²
Discharge in basins
0,2m³/s
Mean precip.
341mm/an
Mean T°
17,1°C
Moisture idx
-0,75
Mean runoff
32mm/an
Mean elev. (basins)
419m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,3nW
Built-up
88,8%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Barrage Merguellil - El Houareb
IUCN Not ReportedWetland Zone of National Importance · 2012
8 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN