Ontologia

Rivière· 108 segments

Пьяна

Crosses 12 administrative regions : Bol'sheboldinskiy rayon, Bol'sheignatovskiy rayon, Bol'shemurashkinskiy rayon, Buturlinskiy rayon, Gaginskiy rayon +7

rivière

Total length

614km

Max discharge

38,9m³/s

Max Strahler

4

Segments matched

108

River geography12 admin regions · 0 communes

Parent watershed

hybas-20803045802132 km²

12 administrative regions crossed (GADM L2)

14 intersecting protected areas

5 more protected areas

1 page = 1 named river (aggregation of 108 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

4 distinct species · 5 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Пьяна : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

614km

Max discharge

38,9m³/s

Max Strahler

4

Segments matched

108

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.