Ruisseau· 10 segments
Койка
Crosses 6 administrative regions : Bol'shesel'skiy rayon, Kadyyskiy rayon, Makar'evskiy rayon, Myshkinskiy rayon, Rybinskiy rayon +1
Total length
78km
Max discharge
1,4m³/s
Max Strahler
3
Segments matched
10
River geography6 admin regions · 0 communes
6 administrative regions crossed (GADM L2)
- Teykovskiy rayonIvanovo · Russia18.7 kmin this dpt
- Bol'shesel'skiy rayonYaroslavl' · Russia9.7 kmin this dpt
- Myshkinskiy rayonYaroslavl' · Russia9.3 kmin this dpt
- Kadyyskiy rayonKostroma · Russia3.4 kmin this dpt
- Rybinskiy rayonYaroslavl' · Russia3.1 kmin this dpt
- Makar'evskiy rayonKostroma · Russia0.0 kmin this dpt
2 intersecting protected areas
Boloto Velikij Moh
IUCN IIINatural Monument
State Natural Zakaznik
1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
51 distinct species · 53 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Койка : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 3 types (connectance 6.7%, 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
78km
Max discharge
1,4m³/s
Max Strahler
3
Segments matched
10
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.