HydroBASINS lev08 watershed · #2080277260
Bassin de Mazā Jugla
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 3 administrative regions : Cesis, Ogre, Riga
Sub-basin area
1 676,1km²
Upstream area
1 676,1km²
Discharge
22,14m³/s
Mean elev.
79m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 899.7 km²53.4% of basin
- 506.3 km²30.1% of basin
- 278.5 km²16.5% of basin
25 intersecting protected areas
Gaujas Nacionālais parks
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
28.81 km² overlap
Gaujas Nacionālais parks
IUCN IINational Park
28.81 km² overlap
Gaujas Nacionālais parks
IUCN Not ReportedSpecial Protection Area (Birds Directive)
28.81 km² overlap
Lielie Kangari
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
19.38 km² overlap
Lielie Kangari
IUCN IVNature Reserve
19.38 km² overlap
Pečora ezera meži
IUCN IVNature Reserve
5.95 km² overlap
Jaunciems
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.54 km² overlap
Jaunciems
IUCN IVNature Reserve
3.54 km² overlap
Garkalnes meži
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.31 km² overlap
16 more protected areassorted by overlap area
Garkalnes meži
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.31 km² overlap
Garkalnes meži
IUCN IVNature Reserve
3.30 km² overlap
Tumšupes meži
IUCN IVNature Reserve
2.52 km² overlap
Ķivuļurga
IUCN IVNature Reserve
2.08 km² overlap
Mazās Juglas meži
IUCN IVNature Reserve
1.38 km² overlap
Plaužu ezera meži
IUCN IVNature Reserve
1.20 km² overlap
Skolasupes meži
IUCN IVNature Reserve
1.07 km² overlap
Mazie Kangari
IUCN IVNature Reserve
0.92 km² overlap
Mazie Kangari
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.91 km² overlap
Zušu-Staiņu sēravoti
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.53 km² overlap
Zušu-Staiņu sēravoti
IUCN IVNature Reserve
0.53 km² overlap
Ezernieku karsta kritenes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.32 km² overlap
Ezernieku karsta kritenes
IUCN IIINature Monument
0.31 km² overlap
Buļļezers
IUCN IVNature Reserve
0.12 km² overlap
Ķeipenes parks
IUCN IIINature Monument
0.06 km² overlap
Vatrānes aleja
IUCN IIINature Monument
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 030 distinct species · 20 087 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Mazā Jugla : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 6 types (connectance 7.8%, filtre Serrano α=0.2). 10 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°
5,7°C
Annual rain
658mm
Moisture idx (CMI)
0,12
Runoff
321mm/an
PET
582mm
AET
458mm
Mean slope
1,2°
Water table
64cm
Forest
42%
Crops
18%
Urban
3%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)