Ontologia

Ruisseau· 13 segments

Rūja

Crosses 3 administrative regions : Abja, Karksi, Valmiera

ruisseau

Total length

80km

Max discharge

9,8m³/s

Max Strahler

3

Segments matched

13

River geography3 admin regions · 0 communes

Parent watershed

hybas-20800274603569 km²

3 administrative regions crossed (GADM L2)

  • Valmiera
    Vidzeme · Latvia
    68.5 km
    in this dpt
  • Abja
    Viljandi · Estonia
    7.5 km
    in this dpt
  • Karksi
    Viljandi · Estonia
    0.0 km
    in this dpt

14 intersecting protected areas

5 more protected areas

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

Species present

52 distinct species · 116 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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 Rūja : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 3 types (connectance 12.3%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
43
Connectance
0.122
Patrimoniales
1
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

80km

Max discharge

9,8m³/s

Max Strahler

3

Segments matched

13

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