Ontologia

Rivière· 3 segments

La Drouette

Crosses 2 administrative regions : Eure-et-Loir, Yvelines

rivière

Total length

43km

Max discharge

11,7m³/s

Max Strahler

4

Segments matched

3

River geography2 admin regions · 18 communes

Parent watershed

hybas-2080460950687 km²

2 administrative regions crossed (GADM L2)

  • Eure-et-Loir
    Centre-Val de Loire · France
    17.8 km
    in this dpt
  • Yvelines
    Île-de-France · France
    14.1 km
    in this dpt
18 communes (L5)

3 intersecting protected areas

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

2 127 distinct species · 35 819 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de La Drouette : 26 espèces reliées par 105 interactions GloBI sur 6 types (connectance 18.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
105
Connectance
0.187
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

43km

Max discharge

11,7m³/s

Max Strahler

4

Segments matched

3

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.