Ontologia

Delegation · TUN

Aïn Draham

Tunisia

CsaTemperate, dry summer, hot summer(100 %)

Species observed

657

Observations

2 226

Area

483,4km²

Ecological tissue

Sample of 39 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 Aïn Draham : 26 espèces reliées par 81 interactions GloBI sur 5 types (connectance 10.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
81
Connectance
0.109
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

657 distinct species · 2 226 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 226 obs · 13 cellules
Obs. / cellule
≥ 1 516
252–1 515
77–251
59–76
< 59

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

Climate

Mean T°

16,3°C

Annual rain

1 087mm

Warmest m°

29,9°C

Coldest m°

5,2°C

Elevation: 453 m on average (min 90 m, max 845 m)

Bioclimatic detailsExpert
Annual mean temp.
16,3°C
Annual rain
1 087mm
Warmest month
29,9°C
Coldest month
5,2°C
Mean alt.
453m
Min
90m
Max
845m
Std. dev.
187m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

38,1g/kg

Clay

33,1%

Sand

33,3%

Silt

33,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
59,4g/kg
Clay
32,2%
Sand
33,6%
Silt
34,2%
5–15 cm
pH H₂O
6,2
Org. C
31,8g/kg
Clay
32,3%
Sand
33,1%
Silt
34,6%
15–30 cm
pH H₂O
6,2
Org. C
23,1g/kg
Clay
34,8%
Sand
33,1%
Silt
32,2%

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

Land cover

Forest38.5%
Crops9.2%
Built-up0.4%
Bare soil3.1%
Other (grassland, water…)48.8%

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

Hydrology6 basins · 2 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

4,2km

Lake surface here

3,62km²

Basins crossed

6

Max stream order

2

Max drainage

18 535km²

Discharge in basins

5,4m³/s

Mean precip.

834mm/an

Mean T°

17,0°C

Moisture idx

-0,33

Max snow

2%

Mean runoff

237mm/an

Mean elev. (basins)

305m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

43,1%

Pesticides

3,3kg/km²

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

Protected areas7

IUCN Not Reported · 3IUCN Not Assigned · 2IUCN Not Applicable · 1IUCN II · 1🌊 Marine · 2

El Kala

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1990

777 km²

El Kala

IUCN II

National Park · 1983

777 km²

Oued Zeen

IUCN Not Assigned

National Park · 2010

67 km²

Complete list

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