Ontologia

Rivière· 2 segments

Zavragia

Crosses 1 administrative regions : Surselva

rivière

Total length

6km

Max discharge

22m³/s

Max Strahler

4

Segments matched

2

River geography1 admin regions · 0 communes

Parent watershed

hybas-20805123801510 km²

1 administrative regions crossed (GADM L2)

  • Surselva
    Graubünden · Switzerland
    5.3 km
    in this dpt

5 intersecting protected areas

  • Hornwald

    IUCN Not Assigned

    Forest Reserves

  • Zavragiawald

    IUCN Not Assigned

    Forest Reserves

  • Fanels

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Gravas

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Federal Inventory of Dry Grasslands and Pastures of National Importance

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 505 distinct species · 5 849 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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 Zavragia : 20 espèces reliées par 116 interactions GloBI sur 6 types (connectance 14.1%, filtre Serrano α=0.2). 21 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
116
Connectance
0.141
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

6km

Max discharge

22,0m³/s

Max Strahler

4

Segments matched

2

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