Rivière· 18 segments
Rostaelva
Crosses 1 administrative regions : Målselv
Total length
36km
Max discharge
6,9m³/s
Max Strahler
4
Segments matched
18
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- MålselvTroms · Norway61.6 kmin this dpt
1 intersecting protected areas
Tverrelvdalen
IUCN IaNature Reserve
1 page = 1 named river (aggregation of 18 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
135 distinct species · 181 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Rostaelva : 35 espèces reliées par 41 interactions GloBI sur 5 types (connectance 4.5%, filtre Serrano α=0.2). 8 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
36km
Max discharge
6,9m³/s
Max Strahler
4
Segments matched
18
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.