Ontologia

Rivière· 9 segments

Rein da Sumvitg

Crosses 2 administrative regions : Blenio, Surselva

rivière

Total length

19km

Max discharge

20,5m³/s

Max Strahler

4

Segments matched

9

River geography2 admin regions · 0 communes

Parent watershed

hybas-20805123801510 km²

2 administrative regions crossed (GADM L2)

  • Surselva
    Graubünden · Switzerland
    23.8 km
    in this dpt
  • Blenio
    Ticino · Switzerland
    1.5 km
    in this dpt

14 intersecting protected areas

  • Greina

    IUCN IV

    Federal Hunting Reserves

  • Pez Vial/Greina

    IUCN IV

    Federal Hunting Reserves

  • Glatscher da Lavaz

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

  • Cugn

    IUCN Not Assigned

    Forest Reserves

  • Nadéls

    IUCN Not Assigned

    Forest Reserves

  • Cahuons

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

  • Plaun la Greina

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

  • Alp Val Tenigia

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

  • Crap la Crusch

    IUCN IV

    Federal Inventory of Fenlands of National Importance

5 more protected areas

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

Species present

580 distinct species · 2 274 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 30 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 Rein da Sumvitg : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 5 types (connectance 14.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
74
Connectance
0.140
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

19km

Max discharge

20,5m³/s

Max Strahler

4

Segments matched

9

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