Ontologia

HydroBASINS lev08 watershed · #2080081560

Bassin · #2080081560

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 : Abu Arish, Ahad Al Masarihah, Farasan, Jazan

Coastal basinPfafstetter: 29671057

Sub-basin area

1 297,5km²

Upstream area

1 297,5km²

Discharge

0,44m³/s

Mean elev.

11m

Administrative coverage

4 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Juzur Farasan

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

    945.27 km² overlap

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

Species present

1 066 distinct species · 4 509 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 509 obs · 20 cellules
Obs. / cellule
≥ 1 585
673–1 584
300–672
111–299
< 111

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

Ecological tissue

Sample of 32 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 · #2080081560 : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 2 types (connectance 7.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
37
Connectance
0.070
Patrimoniales
2
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°

30,0°C

Annual rain

123mm

Moisture idx (CMI)

-0,93

Runoff

57mm/an

PET

1 710mm

AET

102mm

Mean slope

0,4°

Water table

75cm

Forest

0%

Crops

1%

Urban

1%

Protected

51%

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