Ruisseau· 2 segments

Erra jõgi

Crosses 3 administrative regions : Aseri, Rägavere, Sonda

ruisseau

Total length

20km

Max discharge

0,3m³/s

Max Strahler

Segments matched

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080028020327 km²

3 administrative regions crossed (GADM L2)

Sonda
Ida-Viru · Estonia
7.5 km
in this dpt
Aseri
Ida-Viru · Estonia
3.3 km
in this dpt
Rägavere
Lääne-Viru · Estonia
0.0 km
in this dpt

26 intersecting protected areas

Aseri
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Uljaste maastikukaitseala
IUCN Not Assigned
Protected landscape (nature park)
Uljaste MKA, Uljaste raba skv.
IUCN Ib
Wilderness conservation zone of protected landscape
Uljaste
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Uljaste MKA, Uljaste oosi skv.
IUCN V
Managed conservation zone of protected landscape
VEP nr.157258
IUCN Not Assigned
Woodland key habitat
Uljaste MKA, Uljaste pv.
IUCN V
Limited management zone of protected landscape
Arupealse hoiuala
IUCN VI
Limited-conservation area
VEP nr.210531
IUCN Not Assigned
Woodland key habitat

17 more protected areassorted by area

VEP nr.128047
IUCN Not Assigned
Woodland key habitat
VEP nr.128046
IUCN Not Assigned
Woodland key habitat
VEP nr.128048
IUCN Not Assigned
Woodland key habitat
VEP nr.128044
IUCN Not Assigned
Woodland key habitat
VEP nr.212825
IUCN Not Assigned
Woodland key habitat
VEP nr.128043
IUCN Not Assigned
Woodland key habitat
VEP nr.212997
IUCN Not Assigned
Woodland key habitat
VEP nr.207812
IUCN Not Assigned
Woodland key habitat
VEP nr.E00541
IUCN Not Assigned
Woodland key habitat
VEP nr.128050
IUCN Not Assigned
Woodland key habitat
VEP nr.128045
IUCN Not Assigned
Woodland key habitat
VEP nr.206278
IUCN Not Assigned
Woodland key habitat
VEP nr.128042
IUCN Not Assigned
Woodland key habitat
VEP nr.205832
IUCN Not Assigned
Woodland key habitat
VEP nr.209131
IUCN Not Assigned
Woodland key habitat
VEP nr.128049
IUCN Not Assigned
Woodland key habitat
VEP nr.L01624
IUCN Not Assigned
Woodland key habitat

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

Species present

230 distinct species · 983 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 38 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Erra jõgi : 30 espèces reliées par 61 interactions GloBI sur 6 types (connectance 8.2%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.082

Patrimoniales

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)