Anne Van Sweringen wrote:
>
> Spartina alterniflora and S. anglica are spreading rapidly through Pacific
> NW estuaries, and have the potential to affect migratory shorebird
> populations. Since these cordgrass species are native to the east coast, I
> am currently researching what factors allow for the extensive growth of
> Spartina on the east coast while not having a detrimental affect (and
> actually having a positive effect) on migratory shorebird populations.
>
> Since shorebird and invertebrate species are similar (at least by order) on
> both coasts, my questions are: How do migratory shorebirds use east coast
> mudflats? Do certain species use these areas, and are they different from
> west coast shorebird species? How do they differ from west coast migratory
> shorebirds?
>
> Spartina is reported to reduce feeding and resting areas and affect visual
> behavior cues in the NW. How is it that shorebirds on the east coast
> benefit from Spartina marshes, and could there be benefits to shorebirds in
> the Pacific NW in the long run?
>
> If anyone has thoughts on this, or can refer me to someone who does, or
> knows of pertinent literature, I'd be interested in knowing soon. Thanks.
> avs at cco.net
>
Anne: Kathleen Sayce is an expert on spartina as it has affected Willapa
Bay. When I heard her speak on the topic, she made quite a few
comparisons to the East Coast. I suggest you contact her:

Sayce, Kathleen Nahcotta, WA 98637
Phone: (360)665-5292
--
Jane Hadley
jhadle at halcyon.com
Seattle, WA