Ontologia

Delegation · TUN

Mahdia

Tunisia

BShArid, steppe, hot(100 %)

Species observed

119

Observations

258

Area

194,5km²

Ecological tissue

Sample of 32 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 Mahdia : 27 espèces reliées par 38 interactions GloBI sur 4 types (connectance 7.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
38
Connectance
0.077
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

119 distinct species · 258 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

258 obs · 4 cellules
Obs. / cellule
≥ 192
192–191
60–191
60–59
< 60

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

Climate

Mean T°

19,9°C

Annual rain

336mm

Warmest m°

33,6°C

Coldest m°

8,1°C

Elevation: 17 m on average (min -10 m, max 83 m)

Bioclimatic detailsExpert
Annual mean temp.
19,9°C
Annual rain
336mm
Warmest month
33,6°C
Coldest month
8,1°C
Mean alt.
17m
Min
-10m
Max
83m
Std. dev.
21m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,8

Org. C

19,4g/kg

Clay

31,3%

Sand

40,5%

Silt

28,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
26,2g/kg
Clay
30,7%
Sand
40,8%
Silt
28,5%
5–15 cm
pH H₂O
7,8
Org. C
16,2g/kg
Clay
31,9%
Sand
39,7%
Silt
28,3%
15–30 cm
pH H₂O
7,8
Org. C
15,9g/kg
Clay
31,3%
Sand
40,8%
Silt
27,8%

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

Land cover

Forest7.5%
Crops25.2%
Built-up4.0%
Bare soil9.5%
Other (grassland, water…)53.9%

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

Hydrology2 basins · 3 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

6,40km²

Basins crossed

2

Max drainage

900km²

Discharge in basins

0,2m³/s

Mean precip.

290mm/an

Mean T°

18,6°C

Moisture idx

-0,75

Mean runoff

46mm/an

Mean elev. (basins)

43m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

5,5nW

Built-up

398,0%

Pesticides

0,0kg/km²

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