Gulf of St. Lawrence aster COSEWIC assessment and status report: chapter 1

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COSEWIC
Assessment summary

Assessment Summary – May 2004

Common name:
Gulf of St. Lawrence Aster

Scientific name:
Symphyotrichum laurentianum

Status:
Threatened

Reason for designation:
An annual halophyte of maritime littoral habitats endemic to the Gulf of St. Lawrence. It is found at nearly 30 extant sites with some very large populations, especially on the Magdalen Islands, but has a very small total area of occupancy of much less than five square kilometers. Many of the populations are subject to natural fluctuations in size and at times suffer important losses due to severe storm events. On-going impacts also exist from human recreational activities and losses of habitat due to development activities.

Occurrence:
Quebec, New Brunswick and Prince Edward Island

Status history:
Designated Special Concern in April 1989. Status re-examined and designated as Threatened in May 2004. Last assessment based on an update status report.

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