Ruisseau· 9 segments
綾北川
Crosses 4 administrative regions : Aya, Kobayashi, Nishimera, Taragi
Total length
34km
Max discharge
11,2m³/s
Max Strahler
3
Segments matched
9
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
9 intersecting protected areas
Kyushuchuosanchi
IUCN VQuasi National Park
Aya
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Kamondake
IUCN IVPrefectural Wildlife Protection Area
Daishi
IUCN IVPrefectural Wildlife Protection Area
Ayagawa Upstream Area
IUCN VGreen Corridor
Aya
IUCN IbForest Ecosystem Reserve
Omoridake
IUCN IVBiocenosis Protected Forest
TOYOBO Forest in AYA
IUCN Not ApplicableOECM
Aya Aeon Forest and Hyuganatsu Orange Orchard
IUCN Not ApplicableOECM
1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
95 distinct species · 187 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 綾北川 : 10 espèces reliées par 7 interactions GloBI sur 2 types (connectance 12.7%, filtre Serrano α=0.2). 1 bulle taxonomique (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
34km
Max discharge
11,2m³/s
Max Strahler
3
Segments matched
9
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.