Ontologia

Rivière· 29 segments

阿仁川

Crosses 1 administrative regions : Kitaakita

rivière

Total length

63km

Max discharge

72,3m³/s

Max Strahler

5

Segments matched

29

River geography1 admin regions · 0 communes

Parent watershed

hybas-40804499201070 km²

1 administrative regions crossed (GADM L2)

11 intersecting protected areas

  • Moriyoshi zan

    IUCN V

    Prefectural Natural Park

  • Arase

    IUCN IV

    Prefectural Wildlife Protection Area

  • Tsuyukuma

    IUCN IV

    Prefectural Wildlife Protection Area

  • Kuranoyama

    IUCN IV

    Prefectural Wildlife Protection Area

  • Katsurase

    IUCN IV

    Prefectural Wildlife Protection Area

  • Misaka

    IUCN IV

    Prefectural Wildlife Protection Area

  • Tsuyukuma sankyo

    IUCN V

    Prefectural Nature Conservation Area

  • Sumomodai

    IUCN IV

    Prefectural Wildlife Protection Area

  • Nihonmatsu

    IUCN IV

    Prefectural Wildlife Protection Area

2 more protected areas

1 page = 1 named river (aggregation of 29 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

80 distinct species · 139 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 15 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 阿仁川 : 13 espèces reliées par 10 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
10
Connectance
0.095
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

63km

Max discharge

72,3m³/s

Max Strahler

5

Segments matched

29

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