HydroBASINS lev08 watershed · #2080287790
Bassin de Mēmele
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 across 2 countries : Aizkraukle, Bauska, Biržų
Sub-basin area
419,6km²
Upstream area
4 073,6km²
Discharge
29,56m³/s
Mean elev.
35m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Apaščia819 km²
- Bassin de Nemunėlis / Mēmele72 km²
3 dept-equivalent regions (GADM L2)
- 329.2 km²78.1% of basin
- 82.1 km²19.5% of basin
- 10.3 km²2.4% of basin
13 intersecting protected areas
Paņemūnes meži
IUCN IVNature Reserve
2.96 km² overlap
Paņemūnes meži
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
2.96 km² overlap
Paņemūnes meži
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.96 km² overlap
Nemunėlio vidurupis
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1.32 km² overlap
Birzes purvi
IUCN IVNature Reserve
1.09 km² overlap
Skaistkalnes karsta kritenes
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.96 km² overlap
Skaistkalnes karsta kritenes
IUCN IIINature Monument
0.96 km² overlap
Biržų regioninis parkas
IUCN VState Park
0.31 km² overlap
Bauska
IUCN IINature Park
0.15 km² overlap
4 more protected areassorted by overlap area
Bauska
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.15 km² overlap
Jaunmēmeles parks
IUCN IIINature Monument
0.10 km² overlap
Vecsaules parks
IUCN IIINature Monument
0.06 km² overlap
Nature Reserve
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
576 distinct species · 1 181 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 44 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 Mēmele : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 97 interactions GloBI sur 5 types (connectance 9.8%, 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°
6,1°C
Annual rain
625mm
Moisture idx (CMI)
0,01
Runoff
236mm/an
PET
620mm
AET
474mm
Mean slope
0,6°
Water table
34cm
Forest
7%
Crops
82%
Urban
1%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)