Ontologia

Delegation · TUN

Belkhir

Tunisia

BWhArid, desert, hot(98 %)

Species observed

297

Observations

1 074

Area

932,8km²

Ecological tissue

Sample of 26 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 Belkhir : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 3 types (connectance 12.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
41
Connectance
0.126
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

297 distinct species · 1 074 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 074 obs · 17 cellules
Obs. / cellule
≥ 731
118–730
20–117
10–19
< 10

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

193mm

Warmest m°

35,8°C

Coldest m°

5,1°C

Elevation: 248 m on average (min 67 m, max 942 m)

Bioclimatic detailsExpert
Annual mean temp.
19,8°C
Annual rain
193mm
Warmest month
35,8°C
Coldest month
5,1°C
Mean alt.
248m
Min
67m
Max
942m
Std. dev.
160m
Köppen-Geiger (dominant)
BWhArid, desert, hot(98 %)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

8,8g/kg

Clay

20,9%

Sand

51,2%

Silt

27,9%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
10,4g/kg
Clay
20,3%
Sand
51,7%
Silt
28,0%
5–15 cm
pH H₂O
8,1
Org. C
7,5g/kg
Clay
20,7%
Sand
51,4%
Silt
27,9%
15–30 cm
pH H₂O
8,1
Org. C
8,5g/kg
Clay
21,9%
Sand
50,5%
Silt
27,7%

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

Land cover

Forest2.4%
Crops4.3%
Built-up0.2%
Bare soil57.1%
Other (grassland, water…)36.0%

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

Hydrology5 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

15,8km

Basins crossed

5

Max stream order

1

Max drainage

2 113km²

Discharge in basins

1,5m³/s

Mean precip.

163mm/an

Mean T°

18,8°C

Moisture idx

-0,88

Mean runoff

64mm/an

Mean elev. (basins)

180m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

21,1%

Pesticides

0,0kg/km²

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

Protected areas4

IUCN Not Reported · 2IUCN Not Applicable · 1IUCN II · 1

Bouhedma

IUCN II

National Park · 1980

165 km²

Gareat Sidi Mansour

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2007

21 km²

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