Ontologia

Ruisseau· 9 segments

Verma

Crosses 2 administrative regions : Norddal, Rauma

ruisseau

Total length

27km

Max discharge

3m³/s

Max Strahler

2

Segments matched

9

River geography2 admin regions · 0 communes

Parent watershed

hybas-208003548012707 km²

2 administrative regions crossed (GADM L2)

  • Rauma
    Møre og Romsdal · Norway
    21.5 km
    in this dpt
  • Norddal
    Møre og Romsdal · Norway
    0.0 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

180 distinct species · 879 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 Verma : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 3 types (connectance 10.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
56
Connectance
0.100
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

27km

Max discharge

3,0m³/s

Max Strahler

2

Segments matched

9

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