Dj. Chitana / Cap negro
IUCN Not AssignedNational Park · 2010
129 km²
Delegation · TUN
Tunisia
Species observed
348
Observations
986
Area
577,6km²
Sample of 34 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).
Tissu écologique de Sejnane : 29 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
348 distinct species · 986 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
18,5°C
Annual rain
847mm
Warmest m°
31,7°C
Coldest m°
8,1°C
Elevation: 135 m on average (min -20 m, max 371 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
6,5
Org. C
29,1g/kg
Clay
34,4%
Sand
35,1%
Silt
30,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
22,6km
Lake surface here
3,44km²
Basins crossed
3
Max stream order
2
Max drainage
2 223km²
Discharge in basins
2,4m³/s
Mean precip.
664mm/an
Mean T°
17,5°C
Moisture idx
-0,44
Max snow
2%
Mean runoff
199mm/an
Mean elev. (basins)
144m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
0hab/km²
Night light
0,2nW
Built-up
50,4%
Pesticides
3,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
National Park · 2010
129 km²
Nature Reserve · 2001
91 km²
Wetland of International Importance (Ramsar Site) · 2021
43 km²
Faunal Reserve
1 km²
Nature Reserve · 1993
0 km²
Wetland Zone of National Importance · 1993
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN