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Management of invasive cord grass - system
Ernita Van Wyk- SANBI
Smooth cordgrass (Spartina alterniflora) is an invasive cord grass native to Atlantic and Gulf of North America.
The species is adapted to be living in salt marshes and estuaries and was found growing in the Groot Brak estuary between Mossel Bay and Geogie in 2004.
Research showed that if this plant left unmanaged the population of this plant in the Groot Brak estuary can spread at a rate of 0.162 ha per year and that it can cover 41% of the total of vlei area.
This plant is invasive in intertidal salt marshes of Pacific states of the USA, China and New Zealand.
This species forms dense monospecific stands accumulation between stems modifies the natural water circulation.
It has a potential to hybridise with the local Small cordgrass (Spartina maritana).
For more information please see the fact sheets below: