Ontologia

Ruisseau· 13 segments

Петровка

Crosses 5 administrative regions : Kalmanskiy rayon, Pervomayskiy rayon, Tarskiy rayon, Troitskiy rayon, Znamenskiy rayon

ruisseau

Total length

218km

Max discharge

5,4m³/s

Max Strahler

3

Segments matched

13

River geography5 admin regions · 0 communes

Parent watershed

hybas-30806213801572 km²

5 administrative regions crossed (GADM L2)

1 page = 1 named river (aggregation of 13 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

577 distinct species · 1 933 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 44 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 Петровка : 32 espèces reliées par 97 interactions GloBI sur 5 types (connectance 9.8%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
97
Connectance
0.098
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

218km

Max discharge

5,4m³/s

Max Strahler

3

Segments matched

13

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