Ontologia

Ruisseau· 19 segments

Hoan

Crosses 2 administrative regions : Berg, Härjedalen

ruisseau

Total length

70km

Max discharge

5,4m³/s

Max Strahler

3

Segments matched

19

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080201380923 km²

2 administrative regions crossed (GADM L2)

  • Härjedalen
    Jämtland · Sweden
    57.2 km
    in this dpt
  • Berg
    Jämtland · Sweden
    42.4 km
    in this dpt

9 intersecting protected areas

1 page = 1 named river (aggregation of 19 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

211 distinct species · 422 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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 Hoan : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 4.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
34
Connectance
0.044
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

70km

Max discharge

5,4m³/s

Max Strahler

3

Segments matched

19

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