Dj. Chitana / Cap negro
IUCN Not AssignedNational Park · 2010
129 km²
Delegation · TUN
Nefza
Tunisia
CsaTemperate, dry summer, hot summer(100 %)
Species observed
346
Observations
823
Area
547,7km²
Ecological tissue
Sample of 44 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 Nefza : 26 espèces reliées par 63 interactions GloBI sur 5 types (connectance 6.7%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
63
Connectance
0.067
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
346 distinct species · 823 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,0°C
Annual rain
956mm
Warmest m°
30,9°C
Coldest m°
7,5°C
Elevation: 173 m on average (min -20 m, max 608 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,0°C
Annual rain
956mm
Warmest month
30,9°C
Coldest month
7,5°C
Mean alt.
173m
Min
-20m
Max
608m
Std. dev.
111m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
29,4g/kg
Clay
35,2%
Sand
34,9%
Silt
29,9%
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
6,5
Org. C
45,3g/kg
Clay
34,7%
Sand
34,9%
Silt
30,4%
5–15 cm
pH H₂O
6,5
Org. C
24,6g/kg
Clay
34,6%
Sand
34,5%
Silt
31,0%
15–30 cm
pH H₂O
6,5
Org. C
18,4g/kg
Clay
36,2%
Sand
35,3%
Silt
28,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest25.5%
Crops14.5%
Built-up0.6%
Bare soil3.5%
Other (grassland, water…)56.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 2 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
6,7km
Lake surface here
9,54km²
Basins crossed
4
Max stream order
4
Max drainage
2 223km²
Discharge in basins
4,1m³/s
Mean precip.
830mm/an
Mean T°
17,2°C
Moisture idx
-0,32
Max snow
2%
Mean runoff
217mm/an
Mean elev. (basins)
260m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,4nW
Built-up
54,6%
Pesticides
2,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Assigned · 2IUCN Not Reported · 2🌊 Marine · 1
Barrage Sidi El Barrak
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2012
34 km²
Barrage Sidi El Barrak
IUCN Not ReportedWetland Zone of National Importance · 2012
34 km²
Djebel Khroufa
IUCN Not AssignedNature Reserve · 1993
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN