Ontologia

HydroBASINS lev08 watershed · #1080030780

Bassin de Asif n Sebawu

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 87 administrative regions : Abi Youcef, Adekar, Afir, Aghbalou, Aghni-Goughrane +82

Pfafstetter: 15305302

Sub-basin area

2 504,7km²

Upstream area

2 504,7km²

Discharge

28,22m³/s

Mean elev.

520m

Administrative coverage

87 dept-equivalent regions (GADM L2)

79 more

2 intersecting protected areas

  • Djurdjura

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

    200.87 km² overlap

  • Djurdjura

    IUCN II

    National Park

    101.91 km² overlap

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

Species present

1 443 distinct species · 9 001 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 001 obs · 66 cellules
Obs. / cellule
≥ 3 345
173–3 344
95–172
64–94
< 64

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

Ecological tissue

Sample of 45 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 de Asif n Sebawu : 33 espèces reliées par 96 interactions GloBI sur 5 types (connectance 9.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
96
Connectance
0.097
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°

16,4°C

Annual rain

913mm

Moisture idx (CMI)

-0,19

Runoff

258mm/an

PET

1 126mm

AET

651mm

Mean slope

12,8°

Water table

583cm

Forest

68%

Crops

48%

Urban

30%

Protected

3%

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