Ontologia

Ruisseau· 4 segments

Ruisseau de la Virvée

Crosses 1 administrative regions : Gironde

ruisseau

Total length

18km

Max discharge

1m³/s

Max Strahler

2

Segments matched

4

River geography1 admin regions · 11 communes

Parent watershed

hybas-2080020620551 km²

1 administrative regions crossed (GADM L2)

  • Gironde
    Nouvelle-Aquitaine · France
    13.5 km
    in this dpt
11 communes (L5)

3 intersecting protected areas

  • La Dordogne

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • marais de la virvee

    IUCN IV

    Land acquired by a regional conservatory of natural areas

  • coteau d\'asques

    IUCN IV

    Land acquired by a regional conservatory of natural areas

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 115 distinct species · 5 810 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Ruisseau de la Virvée : 35 espèces + 6 bulles famille, 87 interactions GloBI documentées sur 6 types (connectance 10.6%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
41
Interactions affichées
87
Connectance
0.106
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

18km

Max discharge

1,0m³/s

Max Strahler

2

Segments matched

4

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