[MARINE_BIOLOGY_INTERNATIONAL] Re: Pollution Forms an Invisible Barrier for Marine Life


It's mentioned in the actual research article. Just not the short press release.

--- In MARINE_BIOLOGY_INTERNATIONAL@yahoogroups.com, Ardeith Carter <ardy@...> wrote:
> On 3/9/2011 2:52 AM, Dr. Mann wrote: In the Southern California Bight,
> more than 60 sewage and urban runoff sources discharge over 1 billion
> gallons of liquid on a dry day with the two largest sources of
> contaminants being sewage from municipal treatment plants and urban
> runoff from highly modified river basins. These discharges transport
> large loads of known and unknown contaminants including heavy metals,
> chlorinated hydrocarbons, petroleum hydrocarbons, nutrients, and
> bacteria, that have shown to be toxic to marine life, including both
> adult and larval (early development) stages.
> Ardeith asks: Why no mention of such things as hormone pollution? It
> has been
> reported that hormones from human wastes effect fish, frogs, and
> alligators in
> fresh waters.......I would think the same thing might be happening in
> ocean waters
> that receive treated sewage. I've read that such hormones are not
> removed by
> the usual sewage treatments.
> Ardy

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