Ruisseau· 5 segments
La Rémarde
Crosses 3 administrative regions : Essonne, Eure-et-Loir, Yvelines
Total length
45km
Max discharge
1,7m³/s
Max Strahler
2
Segments matched
5
River geography3 admin regions · 23 communes
3 administrative regions crossed (GADM L2)
- YvelinesÎle-de-France · France15.5 kmin this dpt
- EssonneÎle-de-France · France14.8 kmin this dpt
- Eure-et-LoirCentre-Val de Loire · France6.3 kmin this dpt
23 communes (L5)For countries with L5
- Sonchamp5.31 km
- Longvilliers4.98 km
- Le Val-Saint-Germain4.29 km
- Saint-Arnoult-en-Yvelines3.90 km
- Saint-Maurice-Montcouronne3.84 km
- Saint-Cyr-sous-Dourdan3.45 km
- Bruyères-le-Châtel3.24 km
- Bleury2.83 km
- Saint-Symphorien-le-Château1.80 km
- Prunay-en-Yvelines0.90 km
- Ymeray0.87 km
- Gallardon0.81 km
- Rochefort-en-Yvelines0.38 km
- Saint-Chéron0.00 km
- Bailleau-Armenonville0.00 km
- Écrosnes0.00 km
- Dourdan0.00 km
- Angervilliers0.00 km
- Breuillet0.00 km
- Égly0.00 km
- Saint-Yon0.00 km
- Courson-Monteloup0.00 km
- Fontenay-lès-Briis0.00 km
3 intersecting protected areas
Regional Nature Park
Vallée de l'Eure de Maintenon à Anet et vallons affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
pelouse de bonville (la)
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 277 distinct species · 22 906 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Rémarde : 28 espèces reliées par 123 interactions GloBI sur 6 types (connectance 16.6%, 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
45km
Max discharge
1,7m³/s
Max Strahler
2
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.