Ontologia

Ruisseau· 3 segments

Mehlbach

Crosses 3 administrative regions : Luzern, Nidwalden, Obwalden

ruisseau

Total length

27km

Max discharge

1m³/s

Max Strahler

2

Segments matched

3

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080507730442 km²

3 administrative regions crossed (GADM L2)

  • Nidwalden
    Nidwalden · Switzerland
    6.8 km
    in this dpt
  • Luzern
    Lucerne · Switzerland
    1.0 km
    in this dpt
  • Obwalden
    Obwalden · Switzerland
    0.0 km
    in this dpt

11 intersecting protected areas

  • Bründligraben

    IUCN Not Assigned

    Forest Reserves

  • Hinterberg

    IUCN Not Assigned

    Forest Reserves

  • Ober Brand

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Stansstader Ried/Rotzloch

    IUCN IV

    Federal Inventory of Amphibian Spawning Areas of National Importance

  • Schulried/Uertiried

    IUCN IV

    Federal Inventory of Fenlands of National Importance

  • Obere Stöckmatt

    IUCN Not Assigned

    Private Nature Reserves

  • Stöckmatt

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Niderhusen

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Kiesgrube Juch

    IUCN IV

    Federal Inventory of Amphibian Spawning Areas of National Importance

2 more protected areas

  • Acheregg

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Drachenried

    IUCN Not Assigned

    Private Nature Reserves

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

Species present

1 935 distinct species · 13 525 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 Mehlbach : 17 espèces reliées par 126 interactions GloBI sur 5 types (connectance 25.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
126
Connectance
0.254
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

27km

Max discharge

1,0m³/s

Max Strahler

2

Segments matched

3

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