Ontologia

HydroLAKES lake · #157412

Gräsmången

Natural lakeSwedenEurope 135 m

Surface area

4,43km²

Avg depth

10,7m

Volume

47,61km³

Shoreline

15,5km

Administrative coverage

Parent watershed

hybas-20802428401358 km² · upstream 12306 km²

3 dept-equivalent regions (GADM L2)

  • Hagfors
    Värmland · Sweden
    2.62 km²
    58.8% of lake
  • Forshaga
    Värmland · Sweden
    1.51 km²
    34.0% of lake
  • Karlstad
    Värmland · Sweden
    0.32 km²
    7.2% of lake

1 intersecting protected areas

  • SK 520-2018

    IUCN IV

    Nature conservation agreement

    0.00 km² overlap

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

Species present

636 distinct species · 2 451 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 451 obs · 1 cellules
Obs. / cellule
≥ 2 451
2 451–2 450
2 451–2 450
2 451–2 450
< 2 451

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

Ecological tissue

Sample of 33 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 Gräsmången : 26 espèces reliées par 41 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
41
Connectance
0.078
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

4,43km²

Avg depth

10,7m

Volume

47,610km³

Watershed

97km²

Shoreline

15,5km

Shore dev. idx

2,08

Residence time

549days

Elevation

135m

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