Ontologia

Ruisseau· 2 segments

Vizla

Crosses 2 administrative regions : Aluksne, Valka

ruisseau

Total length

25km

Max discharge

1,1m³/s

Max Strahler

2

Segments matched

2

River geography2 admin regions · 0 communes

Parent watershed

hybas-20802687501116 km²

2 administrative regions crossed (GADM L2)

  • Valka
    Vidzeme · Latvia
    16.1 km
    in this dpt
  • Aluksne
    Vidzeme · Latvia
    2.6 km
    in this dpt

7 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

14 distinct species · 15 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 8 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 Vizla : 8 espèces reliées par 7 interactions GloBI sur 1 type (connectance 25.0%, filtre Serrano α=0.2).

Espèces affichées
8
Interactions affichées
7
Connectance
0.250
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

1,1m³/s

Max Strahler

2

Segments matched

2

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