Ruisseau· 5 segments
Olešná
Crosses 3 administrative regions : Jindřichův Hradec, Pelhřimov, Rakovník
Total length
93km
Max discharge
0,5m³/s
Max Strahler
2
Segments matched
5
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- PelhřimovKraj Vysočina · Czechia11.0 kmin this dpt
- Jindřichův HradecJihočeský · Czechia8.7 kmin this dpt
- RakovníkStředočeský · Czechia4.5 kmin this dpt
6 intersecting protected areas
Køivoklátsko
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Křivoklátsko
IUCN VProtected Landscape Area
Červená louka
IUCN IVNature Reserve
Rakovník - za koupalištěm
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Malý Bukač
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Malý Bukač
IUCN IIINature Monument
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
162 distinct species · 200 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Olešná : 27 espèces reliées par 77 interactions GloBI sur 5 types (connectance 13.7%, filtre Serrano α=0.2). 7 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
93km
Max discharge
0,5m³/s
Max Strahler
2
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.