El Kala
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1990
777 km²
Governorate · tun
Jendouba
Tunisia
CsaTemperate, dry summer, hot summer(98 %)
Species observed
1 222
Observations
6 018
Area
3 057,3km²
Ecological tissue
Sample of 33 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 Jendouba : 26 espèces reliées par 68 interactions GloBI sur 4 types (connectance 12.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
68
Connectance
0.129
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
1 222 distinct species · 6 018 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,2°C
Annual rain
820mm
Warmest m°
32,3°C
Coldest m°
4,9°C
Elevation: 346 m on average (min -20 m, max 1 061 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
17,2°C
Annual rain
820mm
Warmest month
32,3°C
Coldest month
4,9°C
Mean alt.
346m
Min
-20m
Max
1 061m
Std. dev.
206m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(98 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
29,0g/kg
Clay
33,0%
Sand
33,0%
Silt
33,9%
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
6,6
Org. C
45,3g/kg
Clay
32,7%
Sand
33,3%
Silt
34,1%
5–15 cm
pH H₂O
6,7
Org. C
24,3g/kg
Clay
32,8%
Sand
32,8%
Silt
34,4%
15–30 cm
pH H₂O
6,7
Org. C
17,5g/kg
Clay
33,7%
Sand
33,1%
Silt
33,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.9%
Crops27.6%
Built-up0.9%
Bare soil4.2%
Other (grassland, water…)48.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 6 lakes · 16 rivers
Hydrology metrics for this exact territory
Stream length here
362,1km
Lake surface here
17,06km²
Basins crossed
10
Max stream order
5
Max drainage
18 535km²
Discharge in basins
68,1m³/s
Mean precip.
747mm/an
Mean T°
16,5°C
Moisture idx
-0,42
Max snow
2%
Mean runoff
203mm/an
Mean elev. (basins)
404m
Watersheds crossing here
- Bassin de وادي مجردةsub-area2 717,2 km²overlap939.08 km²31%
- Bassin de وادي مجردة ⴰⵙⵉⴼ ⵏ ⵎⵊⵔⴷⴰsub-area2 578,4 km²overlap892.02 km²29%
- Bassin de Oued Bou Namoussasub-area2 762,5 km²overlap387.77 km²13%
- Bassin de وادي مهتبsub-area219,6 km²overlap195.64 km²6%
- Bassin de وادي بوترفاسsub-area181,9 km²overlap174.97 km²6%
- Bassin de وادي سيدي البراقsub-area912,5 km²overlap165.39 km²5%
- Bassin de وادي مجردةsub-area129,3 km²overlap129.33 km²4%
- Bassin de وادي ملاقsub-area2 450,9 km²overlap110.66 km²4%
- Bassin de وادي تسةsub-area2 394,5 km²overlap38.26 km²1%
1 more basinssorted by overlap
Lakes (6, top by area)
Rivers / streams (16, ord ≥ 4)
- وادي مجردةord 5len here206.30 km59%total347 km
- وادي غزالةord 3len here40.58 km100%total41 km
- وادي ملاقord 5len here23.23 km30%total77 km
- وادي بوترفاسord 2len here17.57 km100%total18 km
- وادي تسةord 4len here16.61 km17%total100 km
- وادي الكبيرord 3len here12.44 km48%total26 km
- Oued Ghazalaord 3len here8.84 km100%total9 km
- وادي مهتبord 3len here6.65 km100%total7 km
- وادي مجردة ⴰⵙⵉⴼ ⵏ ⵎⵊⵔⴷⴰord 4len here5.59 km5%total110 km
- وادي سيدي سالمord 2len here5.42 km100%total5 km
- وادي غريبord 1len here5.16 km100%total5 km
- وادي الكبيرord 3len here5.09 km100%total5 km
4 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,8nW
Built-up
89,7%
Pesticides
2,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas12
IUCN Not Assigned · 7IUCN Not Reported · 3IUCN Not Applicable · 1IUCN II · 1🌊 Marine · 2
El Kala
IUCN IINational Park · 1983
777 km²
Oued Zeen
IUCN Not AssignedNational Park · 2010
67 km²
El Feïja
IUCN Not AssignedNational Park · 1990
26 km²
Dj. Ghorra
IUCN Not AssignedNature Reserve · 2010
26 km²
Dj. Bent Hmed
IUCN Not AssignedNature Reserve · 2009
15 km²
Complete list12 protected areas
- El KalaUNESCO-MAB Biosphere ReserveIUCN Not Applicable1990777 km²
- El KalaNational ParkIUCN II1983777 km²
- Oued ZeenNational ParkIUCN Not Assigned201067 km²
- El FeïjaNational ParkIUCN Not Assigned199026 km²
- Dj. GhorraNature ReserveIUCN Not Assigned201026 km²
- Dj. Bent HmedNature ReserveIUCN Not Assigned200915 km²
- Djebel KhroufaNature ReserveIUCN Not Assigned19931 km²
- Aïn ZenaNature ReserveIUCN Not Assigned19930 km²
- Ain BaccouchFaunal ReserveIUCN Not Assigned0 km²
- Tourbiere Dar FatmaNature ReserveIUCN Not Reported19930 km²
- Tourbiere Dar FatmaWetland Zone of National ImportanceIUCN Not Reported20070 km²
- Tourbiere Dar FatmaWetland of International Importance (Ramsar Site)IUCN Not Reported20070 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN