Rivière· 15 segments
馬場目川
Crosses 7 administrative regions : Akita, Gojōme, Hachirōgata, Ikawa, Katagami +2
Total length
50km
Max discharge
37m³/s
Max Strahler
5
Segments matched
15
River geography7 admin regions · 0 communes
7 administrative regions crossed (GADM L2)
4 intersecting protected areas
Common fishery right area
Taihe zan
IUCN VPrefectural Natural Park
Gojomeikawa
IUCN IVPrefectural Wildlife Protection Area
Moriyama
IUCN IVPrefectural Wildlife Protection Area
1 page = 1 named river (aggregation of 15 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
497 distinct species · 1 098 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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).
Indicateurs du tissu écologique
Tissu écologique de 馬場目川 : 22 espèces reliées par 18 interactions GloBI sur 5 types (connectance 6.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
50km
Max discharge
37,0m³/s
Max Strahler
5
Segments matched
15
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.