Ruisseau
Náhon Alba
Crosses 1 administrative regions : Rychnov nad Kněžnou
Total length
17km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Rychnov nad KněžnouKrálovéhradecký · Czechia4.6 kmin this dpt
5 intersecting protected areas
Orlice a Labe
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Týnišťské Poorličí
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Orlice
IUCN IVNature Monument
Týnišťské Poorličí
IUCN IIINature Monument
U Glorietu
IUCN IVNature Monument
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
778 distinct species · 4 229 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Náhon Alba : 23 espèces reliées par 68 interactions GloBI sur 5 types (connectance 18.0%, filtre Serrano α=0.2). 5 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
17km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.