Ontologia

HydroBASINS lev08 watershed · #2080016350

Bassin du Reyran

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 1 administrative regions : Var

Pfafstetter: 21601061

Sub-basin area

475km²

Upstream area

2 757,4km²

Discharge

52,48m³/s

Mean elev.

233m

Administrative coverage

Hydrographic chain

▼ Drains into

Outlet (drains to ocean / endorheic)

▲ Receives from 2 basins

1 dept-equivalent regions (GADM L2)

20 communes (GADM L5)

17 intersecting protected areas

  • Colle du Rouet

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    113.65 km² overlap

  • Forêt de Palayson - bois du Rouet

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    51.54 km² overlap

  • Val d'Argens

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    14.08 km² overlap

  • Embouchure de l'Argens

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    10.15 km² overlap

  • Esterel

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    5.84 km² overlap

  • La plaine et le massif des Maures

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    5.57 km² overlap

  • Les petites maures

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    3.86 km² overlap

  • Etangs de villepey

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    1.85 km² overlap

  • Les étangs de Villepey

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

    1.66 km² overlap

8 more protected areas

  • garidelle

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.35 km² overlap

  • Fondurane et Marais de la fustière

    IUCN IV

    Biotope Protection Order

    0.17 km² overlap

  • chateauvieux et les cabanons

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.13 km² overlap

  • vallon de joyeuse

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.10 km² overlap

  • bonfin

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.06 km² overlap

  • Mare De Catcheou

    IUCN IV

    Forest Managed Biological Reserve

    0.06 km² overlap

  • bastide brulee

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.03 km² overlap

  • Base aeronavale de frejus

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

    0.01 km² overlap

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

Species present

5 928 distinct species · 285 181 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

285 181 obs · 14 cellules
Obs. / cellule
≥ 52 980
43 142–52 979
23 928–43 141
18 954–23 927
< 18 954

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

Ecological tissue

Sample of 37 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 du Reyran : 31 espèces + 6 bulles famille, 85 interactions GloBI documentées sur 5 types (connectance 12.8%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
37
Interactions affichées
85
Connectance
0.128
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°

13,4°C

Annual rain

831mm

Moisture idx (CMI)

-0,10

Runoff

564mm/an

PET

919mm

AET

629mm

Mean slope

7,8°

Water table

355cm

Forest

75%

Crops

3%

Urban

10%

Protected

1%

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