Ontologia

Ruisseau· 3 segments

Strem

Crosses 2 administrative regions : Surselva, Uri

ruisseau

Total length

63km

Max discharge

4,1m³/s

Max Strahler

3

Segments matched

3

River geography2 admin regions · 0 communes

Parent watershed

hybas-20805123801510 km²

2 administrative regions crossed (GADM L2)

  • Surselva
    Graubünden · Switzerland
    7.5 km
    in this dpt
  • Uri
    Uri · Switzerland
    0.0 km
    in this dpt

4 intersecting protected areas

  • Uaul Prau Nausch

    IUCN Not Assigned

    Private Nature Reserves

  • Uaul Prau Nausch

    IUCN Not Assigned

    Forest Reserves

  • Giuv

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Clavadi

    IUCN Not Assigned

    Forest Reserves

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

Species present

2 039 distinct species · 18 750 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 Strem : 16 espèces reliées par 176 interactions GloBI sur 6 types (connectance 26.4%, filtre Serrano α=0.2). 21 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
176
Connectance
0.264
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

63km

Max discharge

4,1m³/s

Max Strahler

3

Segments matched

3

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