Ontologia

Governorate · tun

Gafsa

Tunisia

BWhArid, desert, hot(96 %)

Species observed

788

Observations

3 944

Area

7 391,9km²

Ecological tissue

Sample of 28 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 Gafsa : 18 espèces reliées par 53 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
53
Connectance
0.140
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

788 distinct species · 3 944 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 944 obs · 125 cellules
Obs. / cellule
≥ 491
58–490
18–57
7–17
< 7

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

Climate

Mean T°

19,7°C

Annual rain

180mm

Warmest m°

36,2°C

Coldest m°

4,1°C

Elevation: 368 m on average (min 28 m, max 1 023 m)

Bioclimatic detailsExpert
Annual mean temp.
19,7°C
Annual rain
180mm
Warmest month
36,2°C
Coldest month
4,1°C
Mean alt.
368m
Min
28m
Max
1 023m
Std. dev.
181m
Köppen-Geiger (dominant)
BWhArid, desert, hot(96 %)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

8,4g/kg

Clay

20,3%

Sand

49,4%

Silt

30,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
9,5g/kg
Clay
19,8%
Sand
49,8%
Silt
30,4%
5–15 cm
pH H₂O
8,1
Org. C
7,7g/kg
Clay
20,2%
Sand
49,5%
Silt
30,3%
15–30 cm
pH H₂O
8,2
Org. C
7,9g/kg
Clay
21,0%
Sand
48,9%
Silt
30,2%

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

Land cover

Forest2.8%
Crops8.1%
Built-up0.3%
Bare soil53.8%
Other (grassland, water…)35.0%

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

Hydrology18 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

198,0km

Lake surface here

0,13km²

Basins crossed

18

Max stream order

5

Max drainage

47 308km²

Discharge in basins

5,1m³/s

Mean precip.

181mm/an

Mean T°

18,7°C

Moisture idx

-0,88

Mean runoff

42mm/an

Mean elev. (basins)

376m

Watersheds crossing here

9 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

32,6%

Pesticides

0,0kg/km²

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

Protected areas15

IUCN Not Reported · 9IUCN Not Assigned · 4IUCN Not Applicable · 1IUCN II · 1

Bouhedma

IUCN II

National Park · 1980

165 km²

Dghoumes

IUCN Not Assigned

National Park · 2010

80 km²

Dj.Orbata

IUCN Not Assigned

National Park · 2010

52 km²

Chott EL Guetar

IUCN Not Reported

Wetland Zone of National Importance · 2012

38 km²

Chott EL Guetar

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2012

38 km²

Complete list

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

Sub-administrations11