Rivière· 12 segments
Nea - Ganka
Crosses 2 administrative regions : Selbu, Tydal
Total length
53km
Max discharge
53,5m³/s
Max Strahler
5
Segments matched
12
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
3 intersecting protected areas
1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
433 distinct species · 1 348 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Nea - Ganka : 22 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 6 types (connectance 14.4%, filtre Serrano α=0.2). 11 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
53km
Max discharge
53,5m³/s
Max Strahler
5
Segments matched
12
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.