Complexe des zones humides de Sebkhet Oum Ez-Zessar et Sbkkhet El Grine
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2013
79 km²
Delegation · TUN
Mareth
Tunisia
BWhArid, desert, hot(95 %)
Species observed
240
Observations
662
Area
925km²
Ecological tissue
Sample of 26 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 Mareth : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 13.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
48
Connectance
0.137
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
240 distinct species · 662 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
20,3°C
Annual rain
184mm
Warmest m°
33,8°C
Coldest m°
7,5°C
Elevation: 162 m on average (min -4 m, max 622 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
20,3°C
Annual rain
184mm
Warmest month
33,8°C
Coldest month
7,5°C
Mean alt.
162m
Min
-4m
Max
622m
Std. dev.
171m
Köppen-Geiger (dominant)
BWhArid, desert, hot(95 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
8,1
Org. C
9,9g/kg
Clay
20,7%
Sand
51,7%
Silt
27,6%
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
8,0
Org. C
12,8g/kg
Clay
20,3%
Sand
52,3%
Silt
27,4%
5–15 cm
pH H₂O
8,1
Org. C
7,6g/kg
Clay
20,5%
Sand
51,8%
Silt
27,7%
15–30 cm
pH H₂O
8,1
Org. C
9,3g/kg
Clay
21,5%
Sand
51,0%
Silt
27,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.8%
Crops26.7%
Built-up0.7%
Bare soil18.8%
Other (grassland, water…)48.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
136,7km
Basins crossed
3
Max stream order
3
Max drainage
2 216km²
Discharge in basins
0,7m³/s
Mean precip.
178mm/an
Mean T°
19,5°C
Moisture idx
-0,87
Mean runoff
95mm/an
Mean elev. (basins)
153m
Watersheds crossing here
Rivers / streams (10, ord ≥ 4)
- وادي ترمامانord 3len here56.74 km93%total61 km
- Oued Toujaneord 2len here24.99 km100%total25 km
- وادي الحششانord 3len here19.79 km65%total31 km
- Oued Zmertenord 3len here15.60 km24%total66 km
- Oued el Hachchaneord 3len here6.91 km17%total40 km
- وادي مارثord 2len here6.02 km100%total6 km
- Oued Cheguimiord 1len here2.96 km100%total3 km
- Oued Resseford 1len here2.66 km100%total3 km
- Oued el Gabouord 3len here0.73 km6%total12 km
- Oued el Aarord 1len here0.32 km3%total12 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,5nW
Built-up
69,1%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2🌊 Marine · 2
Complexe des zones humides de Sebkhet Oum Ez-Zessar et Sbkkhet El Grine
IUCN Not ReportedWetland Zone of National Importance · 2013
79 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN