Ontologia

HydroLAKES lake · #171159

Lac du Barrage de Grandval

ReservoirFranceEurope 734 m

Surface area

6km²

Avg depth

48,7m

Volume

292km³

Shoreline

65,6km

Administrative coverage

Parent watershed

hybas-2080553670103 km² · upstream 1343 km²

2 dept-equivalent regions (GADM L2)

  • Cantal
    Auvergne-Rhône-Alpes · France
    5.80 km²
    96.4% of lake
  • Lozère
    Occitanie · France
    0.22 km²
    3.6% of lake
10 communes (L5)

3 intersecting protected areas

  • Gorges de la Truyère

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    5.77 km² overlap

  • Aubrac

    IUCN V

    Regional Nature Park

    1.96 km² overlap

  • Lac de grandval

    IUCN IV

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

    0.00 km² overlap

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

Species present

1 044 distinct species · 12 374 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 374 obs · 1 cellules
Obs. / cellule
≥ 12 374
12 374–12 373
12 374–12 373
12 374–12 373
< 12 374

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

Ecological tissue

Sample of 24 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 Lac du Barrage de Grandval : 21 espèces + 3 bulles famille, 43 interactions GloBI documentées sur 3 types (connectance 15.6%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
24
Interactions affichées
43
Connectance
0.156
Patrimoniales
0
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

6,00km²

Avg depth

48,7m

Volume

292,000km³

Watershed

1 782km²

Shoreline

65,6km

Shore dev. idx

7,56

Residence time

138days

Elevation

734m

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