Rivière· 6 segments
Le Négron
Crosses 2 administrative regions : Indre-et-Loire, Vienne
Total length
19km
Max discharge
210,4m³/s
Max Strahler
6
Segments matched
6
River geography2 admin regions · 9 communes
2 administrative regions crossed (GADM L2)
- VienneNouvelle-Aquitaine · France10.8 kmin this dpt
- Indre-et-LoireCentre-Val de Loire · France9.6 kmin this dpt
9 communes (L5)For countries with L5
- Beuxes6.63 km
- La Roche-Clermault5.40 km
- Sammarçolles4.20 km
- Marçay3.01 km
- Cinais0.74 km
- Seuilly0.21 km
- Chinon0.19 km
- Beaumont-en-Véron0.00 km
- Messemé0.00 km
3 intersecting protected areas
Loire-Anjou-Touraine
IUCN VRegional Nature Park
Basses vallées de la Vienne et de l'Indre
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marais De Taligny
IUCN IVRegional Nature Reserve
1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 442 distinct species · 11 355 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Le Négron : 30 espèces reliées par 121 interactions GloBI sur 5 types (connectance 14.8%, 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
19km
Max discharge
210,4m³/s
Max Strahler
6
Segments matched
6
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.