HydroBASINS lev08 watershed · #2080273980
Bassin de Gauja
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 4 administrative regions : Cesis, Riga, Valka, Valmiera
Sub-basin area
1 546km²
Upstream area
7 893,7km²
Discharge
84,15m³/s
Mean elev.
126m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Gauja1337 km²
- Bassin de Abuls590 km²
4 dept-equivalent regions (GADM L2)
- 1260.4 km²81.1% of basin
- 286.6 km²18.4% of basin
- 5.9 km²0.4% of basin
- 0.8 km²0.1% of basin
30 intersecting protected areas
Gaujas Nacionālais parks
IUCN IINational Park
525.69 km² overlap
Gaujas Nacionālais parks
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
525.69 km² overlap
Gaujas Nacionālais parks
IUCN Not ReportedSpecial Protection Area (Birds Directive)
525.69 km² overlap
Biosphere Reserve
26.36 km² overlap
Melturu sils
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.89 km² overlap
Melturu sils
IUCN IVNature Reserve
2.88 km² overlap
Ziemeļgauja
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.73 km² overlap
Ziemeļgauja
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.73 km² overlap
Ziemeļgauja
IUCN VProtected Landscape Area
2.73 km² overlap
21 more protected areassorted by overlap area
Amatas staignāju meži
IUCN IVNature Reserve
1.28 km² overlap
Kazugrava
IUCN IIINature Monument
1.12 km² overlap
Zilaiskalns
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.75 km² overlap
Zilaiskalns
IUCN IVNature Reserve
0.73 km² overlap
Ērģeļu (Ērgļu) un Ramātu klintis
IUCN IIINature Monument
0.70 km² overlap
Spinduļu meži
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.41 km² overlap
Spinduļu meži
IUCN IVNature Reserve
0.41 km² overlap
Asaru ezers
IUCN IVNature Reserve
0.38 km² overlap
Līču-Laņģu klintis
IUCN IIINature Monument
0.33 km² overlap
Sietiņiezis
IUCN IIINature Monument
0.26 km² overlap
Ķūķu, Edernieku un Leimaņu ieži
IUCN IIINature Monument
0.25 km² overlap
Nature Monument
0.22 km² overlap
Raunas Staburags
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.22 km² overlap
Raunas Staburags
IUCN IVNature Reserve
0.22 km² overlap
Gaujas Stāvie krasti (Valmierā)
IUCN IIINature Monument
0.21 km² overlap
Ainavu krauja un Ķaubju iezis
IUCN IIINature Monument
0.20 km² overlap
Nature Monument
0.19 km² overlap
Vanagu iezis
IUCN IIINature Monument
0.18 km² overlap
Spriņģu iezis
IUCN IIINature Monument
0.16 km² overlap
Polbrenču un Dukuļu avoti
IUCN IIINature Monument
0.16 km² overlap
Nature Monument
0.15 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 312 distinct species · 48 534 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Gauja : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 5 types (connectance 9.4%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
5,2°C
Annual rain
673mm
Moisture idx (CMI)
0,14
Runoff
339mm/an
PET
578mm
AET
454mm
Mean slope
1,8°
Water table
124cm
Forest
46%
Crops
22%
Urban
3%
Protected
36%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)