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Re: Electrostatic netting opens a whole new world of malaria vector control

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On 9/12/15 1:21 AM, jimp@specsol.spam.sux.com wrote:
> I thought everyone knew by now the crap about bird eggs was discredited


DDT Still Killing Birds in Michigan
> http://www.scientificamerican.com/article/ddt-still-killing-birds-in-michigan/

> DDT poisoning of birds is extremely rare, although traces of the
> persistent pesticide remain in people and wildlife worldwide.
>
> “I’ve never seen anything like it. When people told me about it I
> didn’t believe it. And then we ran these tests. These are some of the
> highest-ever recorded levels in wild birds,” said Matt Zwiernik, an
> assistant professor of environmental toxicology at Michigan State
> University who led the testing.
>
> The birds’ brains contained concentrations of DDE, a breakdown
> product of DDT, ranging from 155 to 1,043 parts per million, with an
> average of 552.  “Thirty [parts per million] in the brain is the
> threshold for acute death,” Zwiernik said. “All the birds exceeded
> that by at least two- or three-fold, and many by much more than
> that.” Twelve of the 29 birds had brain lesions or liver
> abnormalities.
>
> The culprit is a toxic mess left behind by Velsicol Chemical Corp.,
> formerly Michigan Chemical, which manufactured pesticides until 1963,
> a year after Rachel Carson’s book Silent Spring exposed the hazards
> of DDT to people and wildlife, especially birds. Populations of bald
> eagles and other birds crashed when DDT thinned their eggs, killing
> their embryos.  The pesticide, known for accumulating in food webs
> and persisting in soil and river sediment, was banned in the United
> States in 1972.
>
> The nine-block neighborhood has become a real-life example of
> Carson’s “Fable for Tomorrow” in Silent Spring. “It was a spring
> without voices. On the mornings that had once throbbed with the dawn
> chorus of robins, catbirds, doves, jays, wrens, and scores of other
> bird voices there was now no sound; only silence lay over the fields
> and woods and marsh,” Carson wrote.
>



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Electrostatic netting opens a whole new world of malaria vector control Sam Wormley <swormley1@gmail.com> - 2015-09-11 17:56 -0500
  Re: Electrostatic netting opens a whole new world of malaria vector control jimp@specsol.spam.sux.com - 2015-09-11 23:09 +0000
    Re: Electrostatic netting opens a whole new world of malaria vector control benj <nobody@gmail.com> - 2015-09-12 00:10 -0400
      Re: Electrostatic netting opens a whole new world of malaria vector control jimp@specsol.spam.sux.com - 2015-09-12 06:21 +0000
        Re: Electrostatic netting opens a whole new world of malaria vector control Sam Wormley <swormley1@gmail.com> - 2015-09-12 13:11 -0500
          Re: Electrostatic netting opens a whole new world of malaria vector control jimp@specsol.spam.sux.com - 2015-09-12 18:28 +0000
        Re: Electrostatic netting opens a whole new world of malaria vector control Sam Wormley <swormley1@gmail.com> - 2015-09-12 13:21 -0500
          Re: Electrostatic netting opens a whole new world of malaria vector control jimp@specsol.spam.sux.com - 2015-09-12 18:44 +0000
        Re: Electrostatic netting opens a whole new world of malaria vector control Sam Wormley <swormley1@gmail.com> - 2015-09-12 13:27 -0500
          Re: Electrostatic netting opens a whole new world of malaria vector control jimp@specsol.spam.sux.com - 2015-09-12 18:47 +0000
        Re: Electrostatic netting opens a whole new world of malaria vector control Sam Wormley <swormley1@gmail.com> - 2015-09-12 13:30 -0500
          Re: Electrostatic netting opens a whole new world of malaria vector control jimp@specsol.spam.sux.com - 2015-09-12 18:50 +0000
        Re: Electrostatic netting opens a whole new world of malaria vector control benj <nobody@gmail.com> - 2015-09-12 23:13 -0400
  Re: Electrostatic netting opens a whole new world of malaria vector control gilber34 <invalid@invalid.com> - 2015-09-12 13:28 -0500

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