Ontologia

Ruisseau· 2 segments

奥山川

Crosses 3 administrative regions : Iga, Nantan, Sasayama

ruisseau

Total length

88km

Max discharge

0,2m³/s

Max Strahler

1

Segments matched

2

River geography3 admin regions · 0 communes

Parent watershed

hybas-40806185301702 km²

3 administrative regions crossed (GADM L2)

  • Iga
    Mie · Japan
    2.9 km
    in this dpt
  • Nantan
    Kyoto · Japan
    1.5 km
    in this dpt
  • Sasayama
    Hyōgo · Japan
    0.4 km
    in this dpt

1 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

125 distinct species · 158 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 奥山川 : 30 espèces reliées par 34 interactions GloBI sur 4 types (connectance 6.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
34
Connectance
0.064
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

88km

Max discharge

0,2m³/s

Max Strahler

1

Segments matched

2

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