Ruisseau
Tõiva oja
Crosses 1 administrative regions : Vastseliina
Total length
10km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- VastseliinaVõru · Estonia1.9 kmin this dpt
11 intersecting protected areas
Haanja
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Haanja
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Haanja looduspark
IUCN Not AssignedProtected landscape (nature park)
Haanja LP, Tavaala pv.
IUCN VLimited management zone of protected landscape
Piusa jõgi
IUCN Not AssignedSpawning area
VEP nr.210247
IUCN Not AssignedWoodland key habitat
VEP nr.108016
IUCN Not AssignedWoodland key habitat
VEP nr.212718
IUCN Not AssignedWoodland key habitat
VEP nr.209674
IUCN Not AssignedWoodland key habitat
2 more protected areassorted by area
VEP nr.212165
IUCN Not AssignedWoodland key habitat
VEP nr.209108
IUCN Not AssignedWoodland key habitat
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
288 distinct species · 426 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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).
Indicateurs du tissu écologique
Tissu écologique de Tõiva oja : 29 espèces reliées par 34 interactions GloBI sur 6 types (connectance 6.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
10km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.