Ontologia

Ruisseau· 17 segments

Marycha

Crosses 2 administrative regions : Lazdijų, Sejny

ruisseau

Total length

68km

Max discharge

3,5m³/s

Max Strahler

3

Segments matched

17

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080331470655 km²

2 administrative regions crossed (GADM L2)

  • Sejny
    Podlaskie · Poland
    66.9 km
    in this dpt
  • Lazdijų
    Alytaus · Lithuania
    2.4 km
    in this dpt

11 intersecting protected areas

2 more protected areas

1 page = 1 named river (aggregation of 17 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

134 distinct species · 977 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 35 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 Marycha : 29 espèces reliées par 47 interactions GloBI sur 5 types (connectance 7.9%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
47
Connectance
0.079
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

68km

Max discharge

3,5m³/s

Max Strahler

3

Segments matched

17

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