Rivière
Canal de Gru
⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 5 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.
Crosses 1 administrative regions : Martigny
Max discharge
132,9m³/s
Max Strahler
5
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- MartignyValais · Switzerland3.7 kmin this dpt
10 intersecting protected areas
Planches de Mazembroz
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Randonne
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Grand-Blettay
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Les Planches
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Cleusette
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Longeraie
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Saillon
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Le Breyon
IUCN Not AssignedPrivate Nature Reserves
Longeraie
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
1 more protected areassorted by area
Longeraie
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
3 285 distinct species · 23 325 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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).
Indicateurs du tissu écologique
Tissu écologique de Canal de Gru : 25 espèces reliées par 106 interactions GloBI sur 6 types (connectance 15.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Matched len.
2,8km
Max discharge
132,9m³/s
Max Strahler
5
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.