Dj. Zaghouan
IUCN Not AssignedNational Park · 2010
20 km²
Delegation · TUN
Zriba
Tunisia
BShArid, steppe, hot(74 %)
Species observed
181
Observations
963
Area
367,9km²
Ecological tissue
Sample of 35 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 Zriba : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 70 interactions GloBI sur 3 types (connectance 11.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
70
Connectance
0.111
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
181 distinct species · 963 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,0°C
Annual rain
448mm
Warmest m°
33,0°C
Coldest m°
5,7°C
Elevation: 234 m on average (min 42 m, max 866 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,0°C
Annual rain
448mm
Warmest month
33,0°C
Coldest month
5,7°C
Mean alt.
234m
Min
42m
Max
866m
Std. dev.
163m
Köppen-Geiger (dominant)
BShArid, steppe, hot(74 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,7
Org. C
21,0g/kg
Clay
31,4%
Sand
37,2%
Silt
31,4%
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
7,5
Org. C
31,0g/kg
Clay
31,4%
Sand
37,3%
Silt
31,3%
5–15 cm
pH H₂O
7,7
Org. C
17,0g/kg
Clay
31,8%
Sand
36,2%
Silt
32,0%
15–30 cm
pH H₂O
7,7
Org. C
15,1g/kg
Clay
31,1%
Sand
38,1%
Silt
30,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.2%
Crops34.5%
Built-up0.6%
Bare soil4.8%
Other (grassland, water…)50.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
35,7km
Lake surface here
4,62km²
Basins crossed
4
Max stream order
3
Max drainage
15 261km²
Discharge in basins
0,4m³/s
Mean precip.
463mm/an
Mean T°
17,5°C
Moisture idx
-0,64
Mean runoff
57mm/an
Mean elev. (basins)
180m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,4nW
Built-up
61,2%
Pesticides
2,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN Not Assigned · 1
Barrage oued Errmal
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2012
9 km²
Barrage oued Errmal
IUCN Not ReportedWetland Zone of National Importance · 2012
9 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN