Ontologia

Ruisseau· 11 segments

黒川

Crosses 3 administrative regions : Kumakōgen, Seiyo, Uchiko

ruisseau

Total length

445km

Max discharge

4,2m³/s

Max Strahler

3

Segments matched

11

River geography3 admin regions · 0 communes

Parent watershed

hybas-40800412201564 km²

3 administrative regions crossed (GADM L2)

  • Uchiko
    Ehime · Japan
    13.2 km
    in this dpt
  • Kumakōgen
    Ehime · Japan
    9.8 km
    in this dpt
  • Seiyo
    Ehime · Japan
    0.0 km
    in this dpt

4 intersecting protected areas

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

225 distinct species · 350 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 17 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 黒川 : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2).

Espèces affichées
17
Interactions affichées
11
Connectance
0.081
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

445km

Max discharge

4,2m³/s

Max Strahler

3

Segments matched

11

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