Ontologia

Ruisseau· 10 segments

Rovana

Crosses 2 administrative regions : Vallemaggia, Verbano-Cusio-Ossola

ruisseau

Total length

24km

Max discharge

5,7m³/s

Max Strahler

3

Segments matched

10

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080527230930 km²

2 administrative regions crossed (GADM L2)

5 intersecting protected areas

  • Val Formazza

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Valle Magia

    IUCN Not Assigned

    Emerald Sites

  • Maggia

    IUCN Not Reported

    Emerald Network

  • Maggia

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

  • Mött di Tirman

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 848 distinct species · 8 262 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 Rovana : 15 espèces reliées par 107 interactions GloBI sur 5 types (connectance 21.6%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
107
Connectance
0.216
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

24km

Max discharge

5,7m³/s

Max Strahler

3

Segments matched

10

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