Ontologia

Ruisseau· 2 segments

大藤川

Crosses 2 administrative regions : Bizen, Mimasaka

ruisseau

Total length

22km

Max discharge

0,5m³/s

Max Strahler

2

Segments matched

2

River geography2 admin regions · 0 communes

Parent watershed

hybas-40800417102229 km²

2 administrative regions crossed (GADM L2)

  • Bizen
    Okayama · Japan
    3.8 km
    in this dpt
  • Mimasaka
    Okayama · Japan
    0.0 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

109 distinct species · 116 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 13 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 大藤川 : 10 espèces reliées par 11 interactions GloBI sur 2 types (connectance 12.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
11
Connectance
0.121
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

22km

Max discharge

0,5m³/s

Max Strahler

2

Segments matched

2

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