Ontologia

Ruisseau· 21 segments

湯川

Crosses 11 administrative regions : Aoki, Karuizawa, Komoro, Koumi, Matsumoto +6

ruisseau

Total length

203km

Max discharge

3,5m³/s

Max Strahler

3

Segments matched

21

River geography11 admin regions · 0 communes

Parent watershed

hybas-40805710101626 km²

11 administrative regions crossed (GADM L2)

  • Matsumoto
    Nagano · Japan
    21.2 km
    in this dpt
  • Karuizawa
    Nagano · Japan
    17.5 km
    in this dpt
  • Saku
    Nagano · Japan
    13.3 km
    in this dpt
  • Miyota
    Nagano · Japan
    9.4 km
    in this dpt
  • Koumi
    Nagano · Japan
    5.8 km
    in this dpt
  • Ueda
    Nagano · Japan
    2.4 km
    in this dpt
  • Aoki
    Nagano · Japan
    1.6 km
    in this dpt
  • Minamimak
    Nagano · Japan
    0.9 km
    in this dpt
  • Komoro
    Nagano · Japan
    0.0 km
    in this dpt
  • Naganohara
    Gunma · Japan
    0.0 km
    in this dpt
  • Takayama
    Gifu · Japan
    0.0 km
    in this dpt

10 intersecting protected areas

1 more protected areas

1 page = 1 named river (aggregation of 21 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

94 distinct species · 105 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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 湯川 : 24 espèces reliées par 33 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
33
Connectance
0.081
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

203km

Max discharge

3,5m³/s

Max Strahler

3

Segments matched

21

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