HydroBASINS lev08 watershed · #2080424800
Bassin de Náhon z Divoké Orlice
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 7 administrative regions across 2 countries : Hradec Králové, Kłodzko, Náchod, Pardubice, Rychnov nad Kněžnou +2
Sub-basin area
2 032km²
Upstream area
2 032km²
Discharge
16,2m³/s
Mean elev.
457m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- 961.5 km²47.2% of basin
- 754.0 km²37.0% of basin
- 98.1 km²4.8% of basin
- 71.3 km²3.5% of basin
- Kłodzko70.1 km²3.4% of basin
- 49.5 km²2.4% of basin
- 34.5 km²1.7% of basin
30 intersecting protected areas
Orlické hory
IUCN VProtected Landscape Area
217.74 km² overlap
Góry Bystrzyckie i Orlickie
IUCN Not AssignedProtected Landscape Area
67.65 km² overlap
Králický Sněžník
IUCN Not ReportedSpecial Protection Area (Birds Directive)
50.24 km² overlap
Orlice a Labe
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
25.73 km² overlap
Orlické Záhoří
IUCN Not ReportedSpecial Protection Area (Birds Directive)
9.04 km² overlap
Dzika Orlica
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
7.97 km² overlap
Týnišťské Poorličí
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.49 km² overlap
Orlice
IUCN IVNature Monument
5.96 km² overlap
Orlické hory - sever
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.43 km² overlap
21 more protected areassorted by overlap area
Zdobnice - Říčka
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.35 km² overlap
Trčkov
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
4.07 km² overlap
Psí kuchyně
IUCN IVNature Reserve
2.74 km² overlap
Psí kuchyně
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.69 km² overlap
Zaorlicko
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.85 km² overlap
Brandýs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.80 km² overlap
Vadětín - Lanšperk
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.71 km² overlap
Halín
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.59 km² overlap
Halín
IUCN IIINature Monument
1.59 km² overlap
Torfowisko pod Zieleńcem
IUCN IVNature Reserve
1.56 km² overlap
Torfowisko pod Zieleńcem
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.50 km² overlap
Litice
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.11 km² overlap
Sedloňovský vrch
IUCN IVNature Reserve
0.92 km² overlap
Góry Bialskie i Grupa Śnieżnika
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.92 km² overlap
Zemská brána
IUCN IVNature Reserve
0.92 km² overlap
Landscape Park
0.89 km² overlap
Zbytka
IUCN IVNature Reserve
0.83 km² overlap
Zbytka
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.79 km² overlap
Opočno
IUCN IIINature Monument
0.69 km² overlap
Opočno
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.68 km² overlap
Trčkov
IUCN IVNational Nature Reserve
0.67 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 847 distinct species · 168 343 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 Bassin de Náhon z Divoké Orlice : 21 espèces reliées par 80 interactions GloBI sur 5 types (connectance 19.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
7,0°C
Annual rain
633mm
Moisture idx (CMI)
-0,12
Runoff
239mm/an
PET
720mm
AET
527mm
Mean slope
4,3°
Water table
291cm
Forest
51%
Crops
30%
Urban
4%
Protected
15%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)