Ontologia

Rivière· 5 segments

Massa

Crosses 2 administrative regions : Brig, Raron

rivière

Total length

112km

Max discharge

31,5m³/s

Max Strahler

4

Segments matched

5

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080523800987 km²

2 administrative regions crossed (GADM L2)

  • Brig
    Valais · Switzerland
    18.7 km
    in this dpt
  • Raron
    Valais · Switzerland
    0.2 km
    in this dpt

10 intersecting protected areas

  • Swiss Alps Jungfrau-Aletsch

    IUCN Not Applicable

    World Heritage Site (natural or mixed)

  • Aletschwald

    IUCN IV

    Federal Hunting Reserves

  • Aletsch

    IUCN Not Assigned

    Private Nature Reserves

  • Aletschwald

    IUCN Not Assigned

    Forest Reserves

  • Erweiterung Aletschwald

    IUCN Not Assigned

    Forest Reserves

  • Biela

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Schipfe

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Wasen

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Massegga

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

1 more protected areas

  • Aletschwald

    IUCN Ia

    Federal Inventory of Raised and Transitional Mires of National Importance

1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 989 distinct species · 7 933 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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 Massa : 23 espèces + 4 bulles famille, 35 interactions GloBI documentées sur 4 types (connectance 10.0%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
27
Interactions affichées
35
Connectance
0.100
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

112km

Max discharge

31,5m³/s

Max Strahler

4

Segments matched

5

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