Ruisseau· 6 segments
Большой Мергень
Crosses 2 administrative regions : Priyutnenskiy rayon, Tselinnyy rayon
Total length
60km
Max discharge
1m³/s
Max Strahler
3
Segments matched
6
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Priyutnenskiy rayonKalmyk · Russia35.2 kmin this dpt
- Tselinnyy rayonKalmyk · Russia11.5 kmin this dpt
1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
71 distinct species · 88 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Большой Мергень : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 1 type (connectance 11.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
60km
Max discharge
1,0m³/s
Max Strahler
3
Segments matched
6
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.