Ontologia

HydroLAKES lake · #158795

Ragnerudssjön

Natural lakeSwedenEurope 125 m

Surface area

1,69km²

Avg depth

11,8m

Volume

19,94km³

Shoreline

14,1km

Administrative coverage

Parent watershed

hybas-20800334001352 km² · upstream 1352 km²

1 dept-equivalent regions (GADM L2)

  • Färgelanda
    Västra Götaland · Sweden
    1.70 km²
    100.0% of lake

3 intersecting protected areas

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

Species present

1 084 distinct species · 3 918 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 918 obs · 1 cellules
Obs. / cellule
≥ 3 918
3 918–3 917
3 918–3 917
3 918–3 917
< 3 918

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 Ragnerudssjön : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 7 types (connectance 9.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
78
Connectance
0.095
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

1,69km²

Avg depth

11,8m

Volume

19,940km³

Watershed

15km²

Shoreline

14,1km

Shore dev. idx

3,07

Residence time

1 078days

Elevation

125m

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