Sebkhet Halk El Manzel et Oued Essed
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2012
11 km²
Delegation · TUN
Hergla
Tunisia
BShArid, steppe, hot(100 %)
Species observed
133
Observations
3 294
Area
88,8km²
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 Hergla : 25 espèces reliées par 36 interactions GloBI sur 2 types (connectance 8.3%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
36
Connectance
0.083
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
133 distinct species · 3 294 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,4°C
Annual rain
370mm
Warmest m°
32,1°C
Coldest m°
8,3°C
Elevation: 5 m on average (min -4 m, max 22 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,4°C
Annual rain
370mm
Warmest month
32,1°C
Coldest month
8,3°C
Mean alt.
5m
Min
-4m
Max
22m
Std. dev.
5m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)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
19,9g/kg
Clay
36,9%
Sand
36,5%
Silt
26,6%
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
26,7g/kg
Clay
37,1%
Sand
36,5%
Silt
26,4%
5–15 cm
pH H₂O
7,8
Org. C
14,8g/kg
Clay
37,5%
Sand
35,8%
Silt
26,7%
15–30 cm
pH H₂O
7,9
Org. C
18,2g/kg
Clay
36,0%
Sand
37,2%
Silt
26,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.7%
Crops25.5%
Built-up1.1%
Bare soil21.1%
Other (grassland, water…)47.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
15 261km²
Discharge in basins
0,4m³/s
Mean precip.
412mm/an
Mean T°
18,1°C
Moisture idx
-0,68
Mean runoff
39mm/an
Mean elev. (basins)
67m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
3,2nW
Built-up
106,4%
Pesticides
0,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Sebkhet Halk El Manzel et Oued Essed
IUCN Not ReportedWetland Zone of National Importance · 2012
11 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN