Ontologia

Ruisseau· 4 segments

Orlegna

Crosses 1 administrative regions : Maloja

ruisseau

Total length

12km

Max discharge

1,7m³/s

Max Strahler

2

Segments matched

4

River geography1 admin regions · 0 communes

Parent watershed

hybas-2080527060750 km²

1 administrative regions crossed (GADM L2)

  • Maloja
    Graubünden · Switzerland
    21.1 km
    in this dpt

15 intersecting protected areas

  • Vadrec del Forno

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

  • Cavloc

    IUCN IV

    Federal Inventory of Amphibian Spawning Areas of National Importance

  • Maloja Gletschermühlen

    IUCN Not Assigned

    Private Nature Reserves

  • Maloja

    IUCN Not Assigned

    Forest Reserves

  • L'Äla

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Cavril

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

  • La Taiäda

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Passo del Maloja/Aira da la Palza

    IUCN Ia

    Federal Inventory of Raised and Transitional Mires of National Importance

  • Palü

    IUCN IV

    Federal Inventory of Fenlands of National Importance

6 more protected areas

  • Cad'Maté

    IUCN IV

    Federal Inventory of Fenlands of National Importance

  • Tor

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Bosch da la Furcela

    IUCN Ia

    Federal Inventory of Raised and Transitional Mires of National Importance

  • Zwischen Malojapass und Val da Pila (Malojariegel)

    IUCN Ia

    Federal Inventory of Raised and Transitional Mires of National Importance

  • Casaccia

    IUCN IV

    Federal Inventory of Dry Grasslands and Pastures of National Importance

  • Val da Pila

    IUCN IV

    Federal Inventory of Fenlands of National Importance

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

2 207 distinct species · 12 408 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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 Orlegna : 12 espèces reliées par 117 interactions GloBI sur 5 types (connectance 23.6%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
117
Connectance
0.236
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

12km

Max discharge

1,7m³/s

Max Strahler

2

Segments matched

4

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