Ontologia

HydroBASINS lev08 watershed · #2080016600

Bassin du Vidourle

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 2 administrative regions : Gard, Hérault

2% lakePfafstetter: 21603106

Sub-basin area

915,7km²

Upstream area

915,7km²

Discharge

15,45m³/s

Mean elev.

137m

Administrative coverage

2 dept-equivalent regions (GADM L2)

104 communes (GADM L5)

21 intersecting protected areas

12 more protected areas

  • Bois du boucanet

    IUCN IV

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

    1.16 km² overlap

  • Puech Des Mourgues

    IUCN IV

    Biotope Protection Order

    0.97 km² overlap

  • garrigues communales de saturargues

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.89 km² overlap

  • palus nord

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.74 km² overlap

  • sommierois

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.67 km² overlap

  • bois du peillou

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.28 km² overlap

  • costieres de nimes

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.23 km² overlap

  • garrigues de lunel - mas de la plume

    IUCN IV

    Land acquired by a regional conservatory of natural areas

    0.16 km² overlap

  • Costières nîmoises

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    0.03 km² overlap

  • Etang de l\'or

    IUCN IV

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

    0.02 km² overlap

  • Camargue gardoise

    IUCN IV

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

    0.01 km² overlap

  • Côte languedocienne

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    0.00 km² overlap

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

Species present

5 606 distinct species · 447 547 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

447 819 obs · 25 cellules
Obs. / cellule
≥ 69 695
33 838–69 694
20 630–33 837
13 587–20 629
< 13 587

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

Ecological tissue

Sample of 41 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 Vidourle : 37 espèces + 4 bulles famille, 71 interactions GloBI documentées sur 6 types (connectance 8.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
41
Interactions affichées
71
Connectance
0.087
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°

13,3°C

Annual rain

744mm

Moisture idx (CMI)

-0,26

Runoff

542mm/an

PET

1 000mm

AET

627mm

Mean slope

4,3°

Water table

212cm

Forest

26%

Crops

22%

Urban

6%

Protected

6%

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