Rivière· 19 segments

Helena River

Crosses 6 administrative regions : Bassendean, Kalamunda, Mundaring, Northam, Swan +1

rivière

Total length

58km

Max discharge

13,9m³/s

Max Strahler

Segments matched

River geography6 admin regions · 0 communes

Parent watershed

hybas-50805627401665 km²

6 administrative regions crossed (GADM L2)

Mundaring
Western Australia · Australia
48.0 km
in this dpt
York
Western Australia · Australia
23.2 km
in this dpt
Kalamunda
Western Australia · Australia
6.1 km
in this dpt
Swan
Western Australia · Australia
6.1 km
in this dpt
Northam
Western Australia · Australia
0.8 km
in this dpt
Bassendean
Western Australia · Australia
0.0 km
in this dpt

8 intersecting protected areas

Wandoo
IUCN II
National Park
Helena
IUCN II
National Park
Beelu
IUCN II
National Park
Swan River
IUCN Not Assigned
Management Area
Kalamunda
IUCN II
National Park
Greenmount
IUCN II
National Park
Helena River
IUCN Not Assigned
Management Area
NTWA Bushland covenant (0074)
IUCN IV
Conservation Covenant

1 page = 1 named river (aggregation of 19 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

88 distinct species · 403 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 20 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 Helena River : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.079

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)