Ontologia

Rivière· 14 segments

旧北上川

Crosses 3 administrative regions : Ishinomaki, Tome, Wakuya

rivière

Total length

36km

Max discharge

290,2m³/s

Max Strahler

5

Segments matched

14

River geography3 admin regions · 0 communes

Parent watershed

hybas-4080044180766 km²

3 administrative regions crossed (GADM L2)

  • Ishinomaki
    Miyagi · Japan
    30.4 km
    in this dpt
  • Tome
    Miyagi · Japan
    9.4 km
    in this dpt
  • Wakuya
    Miyagi · Japan
    4.2 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

53 distinct species · 84 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 3 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 旧北上川 : 1 espèces reliées par 10 interactions GloBI sur 1 type (connectance 166.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
4
Interactions affichées
10
Connectance
1.667
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

36km

Max discharge

290,2m³/s

Max Strahler

5

Segments matched

14

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