Ontologia

HydroLAKES lake · #158387

Näsnaren

Natural lakeSwedenEurope 43 m

Surface area

4,23km²

Avg depth

3,4m

Volume

14,4km³

Shoreline

12,4km

Administrative coverage

Parent watershed

hybas-20800319003892 km² · upstream 3892 km²

2 dept-equivalent regions (GADM L2)

  • Katrineholm
    Södermanland · Sweden
    2.88 km²
    67.6% of lake
  • Vingåker
    Södermanland · Sweden
    1.38 km²
    32.4% of lake

4 intersecting protected areas

  • Näsnaren

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    4.21 km² overlap

  • Näsnaren

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    4.21 km² overlap

  • Näsnaren

    IUCN Not Assigned

    Natura 2000 SPA

    4.21 km² overlap

  • Näsnaren

    IUCN Not Assigned

    Natura 2000 SCI

    4.21 km² overlap

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

Species present

2 471 distinct species · 112 529 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

112 529 obs · 1 cellules
Obs. / cellule
≥ 112 529
112 529–112 528
112 529–112 528
112 529–112 528
< 112 529

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

Ecological tissue

Sample of 36 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 Näsnaren : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 5 types (connectance 12.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
80
Connectance
0.127
Patrimoniales
2
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

4,23km²

Avg depth

3,4m

Volume

14,400km³

Watershed

40km²

Shoreline

12,4km

Shore dev. idx

1,71

Residence time

697days

Elevation

43m

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