Sea Rush
EN

Sea Rush

Juncus maritimus

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Juncus_maritimus

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Sea Rush faces severe decline due to coastal development and infrastructure projects that destroy its specialized saltmarsh habitats. Rising sea levels and increased storm intensity associated with climate change threaten remaining populations by altering salinity gradients and flooding patterns essential for reproduction. Agricultural conversion of coastal wetlands and pollution from urban runoff further degrade the brackish water conditions this species requires.

Threat summary

Habitat

Sea Rush inhabits coastal saltmarshes, brackish wetlands, and tidal mudflats where freshwater meets saltwater. It thrives in areas with fluctuating salinity levels and periodic tidal inundation, typically growing in dense stands along estuarine margins and coastal lagoons.

TERRESTRIAL· majorTERRESTRIAL· major

Other threatened species in Juncaceae

VU

Leafy Rush

Juncus foliosus

Unknown
Heath RushVU

Heath Rush

Juncus squarrosus

Unknown
Great Wood-rushVU

Great Wood-rush

Luzula sylvatica

Unknown
sand rushEN

sand rush

Juncus tenageia

Unknown

Frequently asked questions

Why is Sea Rush classified as Endangered?
Sea Rush is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Sea Rush faces severe decline due to coastal development and infrastructure projects that destroy its specialized saltmarsh habitats. Rising sea levels and increased storm intensity associated with climate change threaten remaining populations by altering salinity gradients and flooding patterns essential for reproduction. Agricultural conversion of coastal wetlands and pollution from urban runoff further degrade the brackish water conditions this species requires.
Where does Sea Rush live?
Sea Rush occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Sea Rush?
The main threats to Sea Rush are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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