Rivière· 11 segments
Sông Hoàng Long
Crosses 4 administrative regions : Gia Viễn, Hoa Lư, Nho Quan, Ý Yên
Total length
23km
Max discharge
49,2m³/s
Max Strahler
5
Segments matched
11
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
4 intersecting protected areas
Hoa Lu
IUCN Not ReportedCultural and Historical Site
Trang An Landscape Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
Van Long
IUCN Not ReportedNature Reserve
Wetland of International Importance (Ramsar Site)
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
109 distinct species · 334 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Sông Hoàng Long : 33 espèces dont 5 patrimoniales (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 3 types (connectance 5.5%, filtre Serrano α=0.2). 6 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
23km
Max discharge
49,2m³/s
Max Strahler
5
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.