Rivière· 81 segments
Уса
Crosses 10 administrative regions : Agryzskiy rayon, Alnashskiy rayon, Blagoveshchenskiy rayon, Iglinskiy rayon, Mishkinskiy rayon +5
Total length
1 372km
Max discharge
13,9m³/s
Max Strahler
4
Segments matched
81
River geography10 admin regions · 0 communes
10 administrative regions crossed (GADM L2)
- Shigonskiy rayonSamara · Russia111.2 kmin this dpt
- Blagoveshchenskiy rayonBashkortostan · Russia73.5 kmin this dpt
- Syzranskiy rayonSamara · Russia41.6 kmin this dpt
- Privolzhskiy rayonSamara · Russia36.6 kmin this dpt
- Mishkinskiy rayonBashkortostan · Russia31.2 kmin this dpt
- Teren'gul'skiy rayonUl'yanovsk · Russia20.3 kmin this dpt
- Water bodySamara · Russia20.0 kmin this dpt
- Alnashskiy rayonUdmurt · Russia7.7 kmin this dpt
- Agryzskiy rayonTatarstan · Russia2.7 kmin this dpt
- Iglinskiy rayonBashkortostan · Russia0.0 kmin this dpt
9 intersecting protected areas
Middle Volga
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
Samarskaya Luka
IUCN IINational Park
Muranskie brusnichniki
IUCN IIINatural Monument
Muranskij bor
IUCN IIINatural Monument
Muranskie ozera
IUCN IIINatural Monument
Gremyachij
IUCN IIINatural Monument
Natural Monument
Rachejskie skaly
IUCN IIINatural Monument
Natural Monument
1 page = 1 named river (aggregation of 81 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 distinct species · 2 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 Уса : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, 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
1 372km
Max discharge
13,9m³/s
Max Strahler
4
Segments matched
81
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.