Ruisseau· 2 segments
Рака
Crosses 2 administrative regions : Braslaw, Daugavpils
Total length
95km
Max discharge
1,2m³/s
Max Strahler
2
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- BraslawVitebsk · Belarus20.0 kmin this dpt
- DaugavpilsLatgale · Latvia0.0 kmin this dpt
1 intersecting protected areas
Braslavskie Ozera
IUCN IINational Park
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
33 distinct species · 38 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Рака : 18 espèces reliées par 13 interactions GloBI sur 5 types (connectance 8.5%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
95km
Max discharge
1,2m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.