HydroBASINS lev08 watershed · #2080279790
Bassin de Ludza / Лжа
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 : Krasnogorodskiy rayon, Ludza, Pytalovskiy rayon
Sub-basin area
448,5km²
Upstream area
942km²
Discharge
6,53m³/s
Mean elev.
121m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Paborga131 km²
- Bassin de Pilda6 km²
3 dept-equivalent regions (GADM L2)
- 350.8 km²77.8% of basin
- Krasnogorodskiy rayonPskov · Russia81.1 km²18.0% of basin
- Pytalovskiy rayonPskov · Russia18.7 km²4.2% of basin
8 intersecting protected areas
Kreiču purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
14.80 km² overlap
Kreiču purvs
IUCN IVNature Reserve
14.79 km² overlap
Nature Reserve
7.18 km² overlap
Klešniku purvs
IUCN IVNature Reserve
6.38 km² overlap
Klešniku purvs
IUCN Not ReportedSpecial Protection Area (Birds Directive)
6.36 km² overlap
Klešniku purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.36 km² overlap
Kurjanovas ezers
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.02 km² overlap
Kurjanovas ezers
IUCN IINature Park
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
353 distinct species · 557 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Ludza / Лжа : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 114 interactions GloBI sur 5 types (connectance 13.9%, filtre Serrano α=0.2). 17 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°
5,0°C
Annual rain
635mm
Moisture idx (CMI)
0,02
Runoff
216mm/an
PET
624mm
AET
478mm
Mean slope
0,9°
Water table
67cm
Forest
35%
Crops
21%
Urban
0%
Protected
24%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)