Ontologia

Delegation · TUN

Bizerte Sud

Tunisia

CsaTemperate, dry summer, hot summer(100 %)

Species observed

307

Observations

1 455

Area

391,6km²

Ecological tissue

Sample of 38 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 Bizerte Sud : 26 espèces reliées par 71 interactions GloBI sur 5 types (connectance 10.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
71
Connectance
0.101
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

307 distinct species · 1 455 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 455 obs · 9 cellules
Obs. / cellule
≥ 722
722–721
150–721
97–149
< 97

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

18,6°C

Annual rain

712mm

Warmest m°

30,3°C

Coldest m°

9,1°C

Elevation: 93 m on average (min -11 m, max 305 m)

Bioclimatic detailsExpert
Annual mean temp.
18,6°C
Annual rain
712mm
Warmest month
30,3°C
Coldest month
9,1°C
Mean alt.
93m
Min
-11m
Max
305m
Std. dev.
72m
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

7,0

Org. C

28,3g/kg

Clay

36,7%

Sand

31,5%

Silt

31,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
44,2g/kg
Clay
36,2%
Sand
31,4%
Silt
32,4%
5–15 cm
pH H₂O
7,0
Org. C
20,9g/kg
Clay
36,9%
Sand
30,6%
Silt
32,6%
15–30 cm
pH H₂O
7,0
Org. C
19,7g/kg
Clay
37,0%
Sand
32,5%
Silt
30,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest13.4%
Crops28.4%
Built-up1.0%
Bare soil5.1%
Other (grassland, water…)52.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology2 basins · 2 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

24,2km

Lake surface here

0,88km²

Basins crossed

2

Max stream order

2

Max drainage

2 223km²

Discharge in basins

1,3m³/s

Mean precip.

663mm/an

Mean T°

17,6°C

Moisture idx

-0,44

Max snow

1%

Mean runoff

199mm/an

Mean elev. (basins)

129m

Watersheds crossing here

Lakes (2, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

1,1nW

Built-up

99,4%

Pesticides

3,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas5

IUCN Not Reported · 3IUCN Not Applicable · 2

Ichkeul

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1980

126 km²

Ichkeul

IUCN Not Reported

Wetland Zone of National Importance · 1980

126 km²

Ichkeul

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1980

126 km²

Ichkeul

IUCN Not Reported

National Park · 1980

126 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN