Ontologia

Ruisseau

二迫川

Crosses 3 administrative regions : Rifu, Sendai, Tagajō

ruisseau

Total length

35km

Max discharge

6m³/s

Max Strahler

3

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-40800442101353 km²

3 administrative regions crossed (GADM L2)

  • Sendai
    Miyagi · Japan
    3.4 km
    in this dpt
  • Rifu
    Miyagi · Japan
    0.0 km
    in this dpt
  • Tagajō
    Miyagi · Japan
    0.0 km
    in this dpt

3 intersecting protected areas

  • Sendai

    IUCN IV

    Prefectural Wildlife Protection Area

  • Prefectural Wildlife Protection Area

  • Green Space Environment Conservation Area(Miyagi)

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

Species present

190 distinct species · 314 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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 二迫川 : 22 espèces reliées par 36 interactions GloBI sur 5 types (connectance 8.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
36
Connectance
0.089
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

35km

Max discharge

6,0m³/s

Max Strahler

3

Segments matched

1

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