Ontologia

HydroBASINS lev08 watershed · #1080031790

Bassin · #1080031790

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 4 administrative regions : Bir Ali Ben Khélifa, El Ghraiba, Mahres, Skhira

Coastal basinPfafstetter: 15309050

Sub-basin area

342km²

Upstream area

342,1km²

Discharge

0,83m³/s

Mean elev.

26m

Administrative coverage

4 dept-equivalent regions (GADM L2)

3 intersecting protected areas

  • Kneiss iles

    IUCN Not Reported

    Nature Reserve

    14.80 km² overlap

  • Kneiss iles

    IUCN Not Reported

    Wetland Zone of National Importance

    14.80 km² overlap

  • Kneiss iles

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    14.80 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

60 distinct species · 139 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

139 obs · 6 cellules
Obs. / cellule
≥ 49
49–48
47–48
28–46
< 28

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

Ecological tissue

Sample of 20 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 Bassin · #1080031790 : 16 espèces reliées par 19 interactions GloBI sur 2 types (connectance 10.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
19
Connectance
0.100
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

18,7°C

Annual rain

168mm

Moisture idx (CMI)

-0,87

Runoff

77mm/an

PET

1 256mm

AET

146mm

Mean slope

0,3°

Water table

112cm

Forest

0%

Crops

0%

Urban

0%

Protected

16%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)