Rivière· 2 segments
La Roumer
Crosses 1 administrative regions : Indre-et-Loire
Total length
29km
Max discharge
492,1m³/s
Max Strahler
6
Segments matched
2
River geography1 admin regions · 9 communes
1 administrative regions crossed (GADM L2)
- Indre-et-LoireCentre-Val de Loire · France16.6 kmin this dpt
9 communes (L5)For countries with L5
- Langeais10.87 km
- Saint-Michel-sur-Loire1.85 km
- Les Essards1.60 km
- Avrillé-les-Ponceaux1.44 km
- La Chapelle-aux-Naux0.78 km
- Villandry0.10 km
- Cinq-Mars-la-Pile0.00 km
- Vallères0.00 km
- Bréhémont0.00 km
8 intersecting protected areas
Loire-Anjou-Touraine
IUCN VRegional Nature Park
Lac de Rillé et forêts voisines d'Anjou et de Touraine
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vallée de la Loire d'Indre-et-Loire
IUCN Not ReportedSpecial Protection Area (Birds Directive)
La Loire de Candes Saint Martin à Mosnes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Complexe du Changeon et de la Roumer
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
ile aux boeufs (l\')
IUCN IVLand acquired by a regional conservatory of natural areas
ile joli coeur (l\')
IUCN IVLand acquired by a regional conservatory of natural areas
clos molou (le)
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 867 distinct species · 41 125 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Roumer : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 90 interactions GloBI documentées sur 5 types (connectance 11.5%, filtre Serrano α=0.2). Les 2 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
29km
Max discharge
492,1m³/s
Max Strahler
6
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.