Rivière· 16 segments
Härjån
Crosses 1 administrative regions : Härjedalen
Total length
74km
Max discharge
19,1m³/s
Max Strahler
4
Segments matched
16
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- HärjedalenJämtland · Sweden78.4 kmin this dpt
1 intersecting protected areas
A515893
IUCN Not ApplicableVoluntary set-aside areas
1 page = 1 named river (aggregation of 16 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
629 distinct species · 2 664 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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).
Indicateurs du tissu écologique
Tissu écologique de Härjån : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 3 types (connectance 14.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
74km
Max discharge
19,1m³/s
Max Strahler
4
Segments matched
16
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.