Ontologia

Ruisseau

Котра / Katra

Crosses 3 administrative regions : Hrodna, Shchuchyn, Varėnos

ruisseau

Total length

25km

Max discharge

0,8m³/s

Max Strahler

2

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-20803383602137 km²

3 administrative regions crossed (GADM L2)

  • Varėnos
    Alytaus · Lithuania
    16.8 km
    in this dpt
  • Shchuchyn
    Grodno · Belarus
    4.0 km
    in this dpt
  • Hrodna
    Grodno · Belarus
    3.7 km
    in this dpt

9 intersecting protected areas

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

Species present

109 distinct species · 637 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 13 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 Котра / Katra : 8 espèces reliées par 42 interactions GloBI sur 5 types (connectance 46.2%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
42
Connectance
0.462
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

25km

Max discharge

0,8m³/s

Max Strahler

2

Segments matched

1

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