Ruisseau· 3 segments
Angerja oja
Crosses 5 administrative regions : Juuru, Kiili, Kohila, Kose, Saku
Total length
28km
Max discharge
1,8m³/s
Max Strahler
2
Segments matched
3
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
- KiiliHarju · Estonia15.8 kmin this dpt
- KohilaRapla · Estonia10.1 kmin this dpt
- JuuruRapla · Estonia6.2 kmin this dpt
- SakuHarju · Estonia3.9 kmin this dpt
- KoseHarju · Estonia2.3 kmin this dpt
29 intersecting protected areas
Mahtra looduskaitseala
IUCN Not AssignedNature reserve
Mahtra
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nabala-Tuhala looduskaitseala
IUCN Not AssignedNature reserve
Mahtra LKA, Leva skv.
IUCN IVManaged conservation zone of nature reserve
Limited management zone of nature reserve
Mahtra LKA, Järlepa skv.
IUCN IVManaged conservation zone of nature reserve
Managed conservation zone of nature reserve
Managed conservation zone of nature reserve
Mahtra LKA, Mahtra pv.
IUCN VILimited management zone of nature reserve
20 more protected areassorted by area
Rahaaugu
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Tammiku
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Mahtrametsa looduskaitseala
IUCN Not AssignedNature reserve
Managed conservation zone of nature reserve
Managed conservation zone of nature reserve
Managed conservation zone of nature reserve
Angerja oja
IUCN Not AssignedSpawning area
VEP nr.158160
IUCN Not AssignedWoodland key habitat
VEP nr.206977
IUCN Not AssignedWoodland key habitat
Pahkla mõisa park
IUCN VLimited management zone of protected landscape
VEP nr.207503
IUCN Not AssignedWoodland key habitat
VEP nr.158159
IUCN Not AssignedWoodland key habitat
VEP nr.208053
IUCN Not AssignedWoodland key habitat
VEP nr.211160
IUCN Not AssignedWoodland key habitat
VEP nr.130062
IUCN Not AssignedWoodland key habitat
VEP nr.154090
IUCN Not AssignedWoodland key habitat
VEP nr.130034
IUCN Not AssignedWoodland key habitat
VEP nr.154089
IUCN Not AssignedWoodland key habitat
VEP nr.211158
IUCN Not AssignedWoodland key habitat
VEP nr.154074
IUCN Not AssignedWoodland key habitat
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
496 distinct species · 1 312 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Angerja oja : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 7 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
28km
Max discharge
1,8m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.