Ontologia

Delegation · TUN

Majel Belabbes

Tunisia

BWhArid, desert, hot(57 %)

Species observed

79

Observations

133

Area

912,3km²

Ecological tissue

Sample of 17 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 Majel Belabbes : 15 espèces reliées par 18 interactions GloBI sur 3 types (connectance 13.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
18
Connectance
0.132
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

79 distinct species · 133 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

133 obs · 11 cellules
Obs. / cellule
≥ 57
22–56
13–21
4–12
< 4

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

Climate

Mean T°

17,8°C

Annual rain

243mm

Warmest m°

34,8°C

Coldest m°

2,8°C

Elevation: 673 m on average (min 527 m, max 835 m)

Bioclimatic detailsExpert
Annual mean temp.
17,8°C
Annual rain
243mm
Warmest month
34,8°C
Coldest month
2,8°C
Mean alt.
673m
Min
527m
Max
835m
Std. dev.
79m
Köppen-Geiger (dominant)
BWhArid, desert, hot(57 %)Arid

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

Soil & lithology

pH H₂O

8,0

Org. C

11,2g/kg

Clay

19,9%

Sand

52,0%

Silt

28,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
12,5g/kg
Clay
18,3%
Sand
53,1%
Silt
28,5%
5–15 cm
pH H₂O
8,0
Org. C
10,6g/kg
Clay
20,3%
Sand
51,9%
Silt
27,9%
15–30 cm
pH H₂O
8,1
Org. C
10,5g/kg
Clay
21,0%
Sand
51,0%
Silt
27,9%

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

Land cover

Forest5.0%
Crops18.0%
Built-up0.2%
Bare soil26.5%
Other (grassland, water…)50.3%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

49,6km

Basins crossed

2

Max stream order

4

Max drainage

2 925km²

Discharge in basins

0,3m³/s

Mean precip.

293mm/an

Mean T°

16,3°C

Moisture idx

-0,79

Mean runoff

29mm/an

Mean elev. (basins)

820m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

22,2%

Pesticides

0,0kg/km²

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