Ontologia

Delegation · TUN

Samar

Tunisia

BWhArid, desert, hot(100 %)

Species observed

35

Observations

111

Area

1 918,2km²

Ecological tissue

Sample of 8 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 Samar : 7 espèces reliées par 6 interactions GloBI sur 3 types (connectance 21.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
6
Connectance
0.214
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

35 distinct species · 111 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

111 obs · 13 cellules
Obs. / cellule
≥ 67
15–66
3–14
2–2
< 2

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

Climate

Mean T°

20,9°C

Annual rain

138mm

Warmest m°

36,1°C

Coldest m°

6,6°C

Elevation: 99 m on average (min 30 m, max 186 m)

Bioclimatic detailsExpert
Annual mean temp.
20,9°C
Annual rain
138mm
Warmest month
36,1°C
Coldest month
6,6°C
Mean alt.
99m
Min
30m
Max
186m
Std. dev.
29m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

8,1

Org. C

5,5g/kg

Clay

24,8%

Sand

48,1%

Silt

27,1%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
7,4g/kg
Clay
25,5%
Sand
47,8%
Silt
26,8%
5–15 cm
pH H₂O
8,1
Org. C
5,0g/kg
Clay
24,7%
Sand
48,4%
Silt
26,9%
15–30 cm
pH H₂O
8,2
Org. C
4,0g/kg
Clay
24,2%
Sand
48,3%
Silt
27,6%

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

Land cover

Forest0.7%
Crops4.4%
Built-up0.1%
Bare soil70.2%
Other (grassland, water…)24.6%

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

Hydrology7 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

47,6km

Basins crossed

7

Max stream order

4

Max drainage

16 544km²

Discharge in basins

1,8m³/s

Mean precip.

131mm/an

Mean T°

20,2°C

Moisture idx

-0,91

Mean runoff

80mm/an

Mean elev. (basins)

138m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

6,8%

Pesticides

0,0kg/km²

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