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try again.  not a member?   October 25, 2012  Saltwater Marsh
Troubles: Who's to Blame?  Debunking the claim that recreational
anglers are the cause for saltwater marsh die-offs.  Not long
ago, I received an e-mail from the president of the American
Sportfishing Association, Mike Nussman, who asked for some help
with a study that had just appeared in Ecology, the publication
of the Ecological Society of America. It was titled: “A trophic
cascade triggers collapse of a salt-marsh ecosystem with
intensive recreational fishing.” If you like to saltwater fish,
that title will get your attention.  Having never seen the study
by Andrew Altieri, Mark Bertness, Tyler Coverdale, Nicholas
Herrmann and Christine Angelini, I dove into it. This paper
hypothesized that “a trophic cascade is leading to increased
grazer (herbivorous crab) populations and the rapid die-off of
salt marshes in the northeastern United States.” It further
hypothesized that “recreati