Ontologia

Rivière· 13 segments

Røssåga

Crosses 1 administrative regions : Hemnes

rivière

Total length

35km

Max discharge

78,8m³/s

Max Strahler

5

Segments matched

13

River geography1 admin regions · 0 communes

Parent watershed

hybas-20800370301815 km²

1 administrative regions crossed (GADM L2)

  • Hemnes
    Nordland · Norway
    21.7 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

113 distinct species · 206 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 Røssåga : 32 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 5 types (connectance 6.8%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
45
Connectance
0.068
Patrimoniales
3
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

35km

Max discharge

78,8m³/s

Max Strahler

5

Segments matched

13

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