Ruisseau· 8 segments
Canal de Dessèchement de Catelan
Crosses 1 administrative regions : Isère
Total length
23km
Max discharge
11,1m³/s
Max Strahler
3
Segments matched
8
River geography1 admin regions · 20 communes
1 administrative regions crossed (GADM L2)
- IsèreAuvergne-Rhône-Alpes · France27.5 kmin this dpt
20 communes (L5)For countries with L5
- Vénérieu3.89 km
- Salagnon3.69 km
- Courtenay3.20 km
- Trept2.62 km
- Chamagnieu2.17 km
- Soleymieu2.07 km
- Sermérieu1.93 km
- Passins1.23 km
- Vaulx-Milieu1.20 km
- La Verpillière1.09 km
- Saint-Hilaire-de-Brens0.96 km
- Satolas-et-Bonce0.92 km
- Arandon0.84 km
- Villefontaine0.72 km
- Frontonas0.60 km
- Saint-Chef0.43 km
- Saint-Quentin-Fallavier0.00 km
- L'Isle-d'Abeau0.00 km
- Saint-Savin0.00 km
- Saint-Marcel-Bel-Accueil0.00 km
7 intersecting protected areas
L'Isle Crémieu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Confluence Bourbre-Catelan
IUCN IVBiotope Protection Order
Biotope Protection Order
Biotope Protection Order
confluence bourbre catelan
IUCN IVLand acquired by a regional conservatory of natural areas
Marais des Ecorroes
IUCN IVBiotope Protection Order
bois de la chana
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 866 distinct species · 61 602 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Dessèchement de Catelan : 44 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 3 bulles famille, 95 interactions GloBI documentées sur 5 types (connectance 8.8%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
23km
Max discharge
11,1m³/s
Max Strahler
3
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.