Ontologia

HydroLAKES lake · #159640

Nordsjön

Natural lakeSwedenEurope 75 m

Surface area

2,21km²

Avg depth

10,6m

Volume

23,41km³

Shoreline

10,9km

Administrative coverage

Parent watershed

hybas-20800332001907 km² · upstream 1907 km²

2 dept-equivalent regions (GADM L2)

  • Härryda
    Västra Götaland · Sweden
    2.09 km²
    93.9% of lake
  • Mölndal
    Västra Götaland · Sweden
    0.13 km²
    6.1% of lake

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

Species present

1 279 distinct species · 11 327 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 327 obs · 1 cellules
Obs. / cellule
≥ 11 327
11 327–11 326
11 327–11 326
11 327–11 326
< 11 327

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

Ecological tissue

Sample of 28 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 Nordsjön : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 96 interactions GloBI sur 5 types (connectance 19.4%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
96
Connectance
0.194
Patrimoniales
1
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

2,21km²

Avg depth

10,6m

Volume

23,410km³

Watershed

28km²

Shoreline

10,9km

Shore dev. idx

2,07

Residence time

590days

Elevation

75m

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