Ontologia

HydroLAKES lake · #102212

Fourth Lake

ReservoirCanadaNorth America 328 m

Surface area

2km²

Avg depth

21,7m

Volume

43,5km³

Shoreline

8,8km

Administrative coverage

Parent watershed

hybas-7080056940835 km² · upstream 835 km²

1 dept-equivalent regions (GADM L2)

  • Nanaimo
    British Columbia · Canada
    2.01 km²
    100.0% of lake

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

Species present

142 distinct species · 275 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

275 obs · 1 cellules
Obs. / cellule
≥ 275
275–274
275–274
275–274
< 275

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

Ecological tissue

Sample of 44 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 Fourth Lake : 36 espèces reliées par 60 interactions GloBI sur 5 types (connectance 6.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
60
Connectance
0.063
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

2,00km²

Avg depth

21,7m

Volume

43,500km³

Watershed

77km²

Shoreline

8,8km

Shore dev. idx

1,74

Residence time

123days

Elevation

328m

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