Ontologia

Delegation · TUN

Douz

Tunisia

BWhArid, desert, hot(100 %)

Species observed

429

Observations

4 891

Area

7 876,7km²

Ecological tissue

Sample of 19 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 Douz : 15 espèces reliées par 26 interactions GloBI sur 1 type (connectance 15.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
26
Connectance
0.152
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

429 distinct species · 4 891 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 891 obs · 94 cellules
Obs. / cellule
≥ 1 344
60–1 343
20–59
8–19
< 8

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

Climate

Mean T°

21,2°C

Annual rain

95mm

Warmest m°

37,7°C

Coldest m°

4,9°C

Elevation: 166 m on average (min 17 m, max 403 m)

Bioclimatic detailsExpert
Annual mean temp.
21,2°C
Annual rain
95mm
Warmest month
37,7°C
Coldest month
4,9°C
Mean alt.
166m
Min
17m
Max
403m
Std. dev.
73m
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

6,0g/kg

Clay

22,7%

Sand

41,7%

Silt

35,6%

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
7,5g/kg
Clay
22,8%
Sand
41,6%
Silt
35,6%
5–15 cm
pH H₂O
8,1
Org. C
6,5g/kg
Clay
22,3%
Sand
42,0%
Silt
35,7%
15–30 cm
pH H₂O
8,1
Org. C
4,1g/kg
Clay
22,9%
Sand
41,6%
Silt
35,6%

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

Land cover

Forest0.6%
Crops0.5%
Built-up0.1%
Bare soil96.6%
Other (grassland, water…)2.3%

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

Hydrology21 basins · 3 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,46km²

Basins crossed

21

Max drainage

7 339km²

Discharge in basins

20,9m³/s

Mean precip.

103mm/an

Mean T°

20,5°C

Moisture idx

-0,93

Mean runoff

33mm/an

Mean elev. (basins)

185m

Watersheds crossing here

12 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

4,6%

Pesticides

0,0kg/km²

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

Protected areas5

IUCN Not Reported · 4IUCN Not Assigned · 1

Chott Jrid

IUCN Not Reported

Wetland Zone of National Importance · 1949

4 985 km²

Chott Jrid

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2007

4 985 km²

Jbil

IUCN Not Assigned

National Park · 1994

1 763 km²

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