Ontologia

HydroLAKES lake · #171856

Étang du Bagnas

Natural lakeFranceEurope -2 m

Surface area

1,05km²

Avg depth

1,1m

Volume

1,15km³

Shoreline

6,9km

Administrative coverage

Parent watershed

hybas-2080016650471 km² · upstream 471 km²

1 dept-equivalent regions (GADM L2)

  • Hérault
    Occitanie · France
    1.05 km²
    100.0% of lake
2 communes (L5)
  • Agde0.98 km²
  • Marseillan0.07 km²

4 intersecting protected areas

  • Bagnas

    IUCN IV

    National Nature Reserve

    1.05 km² overlap

  • Le bagnas

    IUCN IV

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

    1.05 km² overlap

  • Étang du Bagnas

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    1.05 km² overlap

  • Étang du Bagnas

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    1.05 km² overlap

Computed live · HydroLAKES × GADM × WDPA · cached after first hit.

Species present

2 492 distinct species · 149 400 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

149 400 obs · 2 cellules
Obs. / cellule
≥ 122 165
122 165–122 164
122 165–122 164
122 165–122 164
< 122 165

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

Ecological tissue

Sample of 35 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 Étang du Bagnas : 28 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
73
Connectance
0.123
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Lake statistics (HydroLAKES)

Surface

1,05km²

Avg depth

1,1m

Volume

1,150km³

Watershed

20km²

Shoreline

6,9km

Shore dev. idx

1,91

Residence time

44days

Elevation

-2m

HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.