Ontologia

Rivière· 5 segments

Skärkan

Crosses 1 administrative regions : Berg

rivière

Total length

14km

Max discharge

7m³/s

Max Strahler

4

Segments matched

5

River geography1 admin regions · 0 communes

Parent watershed

hybas-2080191280237 km²

1 administrative regions crossed (GADM L2)

  • Berg
    Jämtland · Sweden
    16.4 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

400 distinct species · 2 973 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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 Skärkan : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
37
Connectance
0.105
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

14km

Max discharge

7,0m³/s

Max Strahler

4

Segments matched

5

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.