Ontologia

Delegation · TUN

Sahline

Tunisia

BShArid, steppe, hot(100 %)

Species observed

48

Observations

83

Area

42,7km²

Ecological tissue

Sample of 25 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 Sahline : 24 espèces reliées par 22 interactions GloBI sur 3 types (connectance 7.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
22
Connectance
0.073
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

48 distinct species · 83 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

83 obs · 1 cellules
Obs. / cellule
≥ 83
83–82
83–82
83–82
< 83

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

Climate

Mean T°

19,8°C

Annual rain

357mm

Warmest m°

33,7°C

Coldest m°

7,9°C

Elevation: 21 m on average (min 1 m, max 62 m)

Bioclimatic detailsExpert
Annual mean temp.
19,8°C
Annual rain
357mm
Warmest month
33,7°C
Coldest month
7,9°C
Mean alt.
21m
Min
1m
Max
62m
Std. dev.
14m
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

7,7

Org. C

27,7g/kg

Clay

35,5%

Sand

36,9%

Silt

27,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
34,2g/kg
Clay
35,3%
Sand
36,7%
Silt
28,0%
5–15 cm
pH H₂O
7,7
Org. C
21,8g/kg
Clay
35,1%
Sand
36,6%
Silt
28,3%
15–30 cm
pH H₂O
7,8
Org. C
27,3g/kg
Clay
36,0%
Sand
37,3%
Silt
26,7%

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

Land cover

Forest6.5%
Crops26.4%
Built-up5.2%
Bare soil5.5%
Other (grassland, water…)56.4%

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

Hydrology3 basins · 2 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

8,6km

Lake surface here

1,30km²

Basins crossed

3

Max stream order

2

Max drainage

367km²

Discharge in basins

0,0m³/s

Mean precip.

328mm/an

Mean T°

18,2°C

Moisture idx

-0,73

Mean runoff

39mm/an

Mean elev. (basins)

57m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

6hab/km²

Night light

12,8nW

Built-up

523,9%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN Not Reported · 2

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