Ontologia

HydroLAKES lake · #158357

Straumsfjorden

Natural lakeNorwayEurope 757 m

Surface area

5km²

Avg depth

15,3m

Volume

76,44km³

Shoreline

33,3km

Administrative coverage

Parent watershed

hybas-20800338602452 km² · upstream 2452 km²

2 dept-equivalent regions (GADM L2)

  • Valle
    Aust-Agder · Norway
    3.84 km²
    76.3% of lake
  • Bygland
    Aust-Agder · Norway
    1.19 km²
    23.7% of lake

1 intersecting protected areas

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

Species present

178 distinct species · 322 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

322 obs · 1 cellules
Obs. / cellule
≥ 322
322–321
322–321
322–321
< 322

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 Straumsfjorden : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
65
Connectance
0.103
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

5,00km²

Avg depth

15,3m

Volume

76,440km³

Watershed

84km²

Shoreline

33,3km

Shore dev. idx

4,20

Residence time

350days

Elevation

757m

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