What is the Brown Marsh phenomenon? <!-- vegetation -->
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Question: What is the Brown Marsh phenomenon?

Answer:

Brown Marsh is a term that Louisiana scientists have given to the rapid and unusual browning of Louisiana's intertidal smooth cordgrass (Spartina alterniflora) marshes. This browning began during the spring of 2000, long before it would normally occur in the fall.

Source of this FAQ:
http://brownmarsh.net/factSheets/brown%20marsh%20Q%20and%20A.pdf

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