Ontologia

Ruisseau· 3 segments

Ual Draus

Crosses 2 administrative regions : Imboden, Surselva

ruisseau

Total length

10km

Max discharge

1,7m³/s

Max Strahler

2

Segments matched

3

River geography2 admin regions · 0 communes

Parent watershed

hybas-20805123801510 km²

2 administrative regions crossed (GADM L2)

  • Surselva
    Graubünden · Switzerland
    11.7 km
    in this dpt
  • Imboden
    Graubünden · Switzerland
    0.0 km
    in this dpt

20 intersecting protected areas

  • Ruin'Aulta

    IUCN Not Reported

    Emerald Network

  • Ruin'Aulta

    IUCN Not Assigned

    Emerald Sites

  • Stretg SWR

    IUCN Not Assigned

    Forest Reserves

  • Stretg NWR

    IUCN Not Assigned

    Forest Reserves

  • Ault la Runca

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Muntatsch

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Runca Sut

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Plaun Larisch

    IUCN Not Assigned

    Forest Reserves

  • Spunda Verena

    IUCN Not Assigned

    Forest Reserves

11 more protected areas

  • Plaun gl' Urs

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Brinzeuls

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Studeras

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Alp Uaul

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Fop

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Stretg

    IUCN Not Assigned

    Forest Reserves

  • Stretg

    IUCN Not Assigned

    Forest Reserves

  • Stretg

    IUCN Not Assigned

    Forest Reserves

  • Stretg

    IUCN Not Assigned

    Forest Reserves

  • Stretg

    IUCN Not Assigned

    Forest Reserves

  • Stretg

    IUCN Not Assigned

    Forest Reserves

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 622 distinct species · 9 332 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Ual Draus : 15 espèces reliées par 98 interactions GloBI sur 5 types (connectance 22.5%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
98
Connectance
0.225
Patrimoniales
0
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

10km

Max discharge

1,7m³/s

Max Strahler

2

Segments matched

3

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