Ontologia

Ruisseau· 5 segments

La Vieille Sarthe

Crosses 2 administrative regions : Orne, Sarthe

ruisseau

Total length

6km

Max discharge

5m³/s

Max Strahler

3

Segments matched

5

River geography2 admin regions · 15 communes

Parent watershed

hybas-20804778902151 km²

2 administrative regions crossed (GADM L2)

  • Orne
    Normandie · France
    14.8 km
    in this dpt
  • Sarthe
    Pays de la Loire · France
    2.5 km
    in this dpt
15 communes (L5)

5 intersecting protected areas

1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 161 distinct species · 7 619 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de La Vieille Sarthe : 27 espèces reliées par 129 interactions GloBI sur 6 types (connectance 15.7%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
129
Connectance
0.157
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

6km

Max discharge

5,0m³/s

Max Strahler

3

Segments matched

5

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