Ontologia

Ruisseau· 6 segments

La Cantache

Crosses 2 administrative regions : Ille-et-Vilaine, Mayenne

ruisseau

Total length

40km

Max discharge

2,2m³/s

Max Strahler

2

Segments matched

6

River geography2 admin regions · 17 communes

Parent watershed

hybas-20804808301599 km²

2 administrative regions crossed (GADM L2)

  • Ille-et-Vilaine
    Bretagne · France
    38.1 km
    in this dpt
  • Mayenne
    Pays de la Loire · France
    0.0 km
    in this dpt
17 communes (L5)

1 intersecting protected areas

1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

818 distinct species · 3 108 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de La Cantache : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 145 interactions GloBI sur 6 types (connectance 18.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
145
Connectance
0.186
Patrimoniales
1
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

40km

Max discharge

2,2m³/s

Max Strahler

2

Segments matched

6

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