Ruisseau· 2 segments
Alva da Tuors
Crosses 1 administrative regions : Albula
Total length
8km
Max discharge
1,8m³/s
Max Strahler
2
Segments matched
2
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- AlbulaGraubünden · Switzerland9.3 kmin this dpt
12 intersecting protected areas
Piz Ela
IUCN IVFederal Hunting Reserves
Blais Torta
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Pro d'Men
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Latschs
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Chaclauet
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
God Davos
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Crestota
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Zinols
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
God da Val S-chigra
IUCN Not AssignedForest Reserves
3 more protected areassorted by area
Plan digls Bouvs
IUCN Not AssignedForest Reserves
God d'la Frazza
IUCN Not AssignedForest Reserves
God da Val S-chigra
IUCN Not AssignedForest Reserves
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 217 distinct species · 12 810 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Alva da Tuors : 22 espèces reliées par 109 interactions GloBI sur 5 types (connectance 18.3%, filtre Serrano α=0.2). 13 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
8km
Max discharge
1,8m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.