Ontologia

Ruisseau· 2 segments

Ärnu jõgi

Crosses 3 administrative regions : Antsla, Karula, Tõlliste

ruisseau

Total length

29km

Max discharge

1m³/s

Max Strahler

2

Segments matched

2

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080265160831 km²

3 administrative regions crossed (GADM L2)

  • Antsla
    Võru · Estonia
    9.6 km
    in this dpt
  • Karula
    Valga · Estonia
    9.0 km
    in this dpt
  • Tõlliste
    Valga · Estonia
    0.0 km
    in this dpt

8 intersecting protected areas

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

Species present

344 distinct species · 1 575 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 Ärnu jõgi : 29 espèces reliées par 73 interactions GloBI sur 6 types (connectance 11.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
73
Connectance
0.110
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

29km

Max discharge

1,0m³/s

Max Strahler

2

Segments matched

2

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