Rivière
La Joyeuse
⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 6 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.
Crosses 1 administrative regions : Drôme
Max discharge
175,4m³/s
Max Strahler
6
Segments matched
1
River geography1 admin regions · 4 communes
1 administrative regions crossed (GADM L2)
- DrômeAuvergne-Rhône-Alpes · France2.3 kmin this dpt
4 communes (L5)For countries with L5
- Chatuzange-le-Goubet1.32 km
- Romans-sur-Isère0.93 km
- Saint-Paul-lès-Romans0.04 km
- Bourg-de-Péage0.00 km
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 395 distinct species · 10 172 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Joyeuse : 36 espèces + 6 bulles famille, 85 interactions GloBI documentées sur 5 types (connectance 9.9%, filtre Serrano α=0.2). Les 6 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)
Matched len.
52,9km
Max discharge
175,4m³/s
Max Strahler
6
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.