HydroBASINS lev08 watershed · #2080282800
Bassin de Iecava
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 5 administrative regions : Aizkraukle, Bauska, Jelgava, Ogre, Riga
Sub-basin area
2 100,3km²
Upstream area
2 100,4km²
Discharge
18,68m³/s
Mean elev.
33m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 975.5 km²46.2% of basin
- 418.8 km²19.8% of basin
- 366.2 km²17.3% of basin
- 202.2 km²9.6% of basin
- 148.0 km²7.0% of basin
30 intersecting protected areas
Iecavas paliene
IUCN IVNature Reserve
15.05 km² overlap
Cenas tīrelis
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5.13 km² overlap
Cenas tīrelis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
5.13 km² overlap
Cenas tīrelis
IUCN IVNature Reserve
5.13 km² overlap
Birzes purvi
IUCN IVNature Reserve
4.52 km² overlap
Melnā ezera purvs
IUCN IVNature Reserve
3.43 km² overlap
Melnā ezera purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.43 km² overlap
Melnā ezera purvs
IUCN Not ReportedSpecial Protection Area (Birds Directive)
3.43 km² overlap
Zaļezera purvs
IUCN IVNature Reserve
3.29 km² overlap
21 more protected areassorted by overlap area
Zaļezera purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
3.29 km² overlap
Vāveres ezers
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.11 km² overlap
Vāveres ezers
IUCN IVNature Reserve
2.11 km² overlap
Lāču purvs
IUCN IVNature Reserve
2.06 km² overlap
Lāču purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.06 km² overlap
Seržu tīrelis
IUCN IVNature Reserve
1.52 km² overlap
Seržu tīrelis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.52 km² overlap
Sodzera meži
IUCN IVNature Reserve
1.09 km² overlap
Aklais purvs
IUCN IVNature Reserve
0.91 km² overlap
Aklais purvs
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.90 km² overlap
Aklais purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.90 km² overlap
Iecavas staignāju meži
IUCN IVNature Reserve
0.54 km² overlap
Kalēju tīrelis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.41 km² overlap
Kalēju tīrelis
IUCN IVNature Reserve
0.40 km² overlap
Ellītes purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.39 km² overlap
Ellītes purvs
IUCN IVNature Reserve
0.39 km² overlap
Gasparsona purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.27 km² overlap
Gasparsona purvs
IUCN IVNature Reserve
0.27 km² overlap
Kulšenu avots
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.09 km² overlap
Kulšenu avots
IUCN IIINature Monument
0.09 km² overlap
Stelpes dendroloģiskie stādījumi
IUCN IIINature Monument
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 573 distinct species · 9 383 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 Iecava : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 5 types (connectance 7.9%, filtre Serrano α=0.2). 9 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°
6,2°C
Annual rain
638mm
Moisture idx (CMI)
0,06
Runoff
279mm/an
PET
597mm
AET
467mm
Mean slope
1,0°
Water table
46cm
Forest
47%
Crops
31%
Urban
2%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)