Rivière· 3 segments
La Jonche
Crosses 1 administrative regions : Isère
Total length
17km
Max discharge
27m³/s
Max Strahler
4
Segments matched
3
River geography1 admin regions · 15 communes
1 administrative regions crossed (GADM L2)
- IsèreAuvergne-Rhône-Alpes · France16.7 kmin this dpt
15 communes (L5)For countries with L5
- La Mure3.00 km
- Villard-Saint-Christophe2.59 km
- Saint-Théoffrey2.46 km
- Cognet2.02 km
- Saint-Arey1.88 km
- Saint-Jean-d'Hérans1.74 km
- Susville1.51 km
- Prunières0.88 km
- Mayres-Savel0.48 km
- Pierre-Châtel0.18 km
- Saint-Sébastien0.00 km
- Ponsonnas0.00 km
- Saint-Honoré0.00 km
- Cornillon-en-Trièves0.00 km
- Cholonge0.00 km
6 intersecting protected areas
Marais De La Mure
IUCN IVBiotope Protection Order
Marais Des Grandes Sagnes
IUCN IVBiotope Protection Order
Biotope Protection Order
Marais De Fontaine Pelouze
IUCN IVBiotope Protection Order
Marais De La Fayolle
IUCN IVBiotope Protection Order
Marais Des Moutats
IUCN IVBiotope Protection Order
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 085 distinct species · 36 223 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 La Jonche : 10 espèces reliées par 57 interactions GloBI sur 5 types (connectance 27.1%, filtre Serrano α=0.2). 11 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)
Total length
17km
Max discharge
27,0m³/s
Max Strahler
4
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.