if such predators are not already
> > present, it may take a few million years for them to evolve.
> >
> > Sometimes man has tried to counter one alien invasion by introducing
> > another alien species to control it -- which brings into action the
> > Law of Uninten
Silvert <[EMAIL PROTECTED]>
To
ECOLOG-L@LISTSERV.UMD.EDU
cc
Subject
Re: ECOSYSTEM Health Alien invasions persistence decline limits
control Re: semi-silly question from John Nielsen
I'll pick up on two of Wayne's points. One is that "some aliens that do
little harm&
The last edition of Nippon Suisan Gakkaishi (73 - 6)
has a special section to papers on invasions in the
context of fisheries. Most of the reports are in
Japanese, but two are in English:
Introduced marine organisms in China from japan and
their impacts
Distribution of non-indigenous intertidal s
Hi colleagues,
=20
Please forgive my late entry into this topic of discussion but I did =
want to
throw out one or two issues concerning non-native species, invasive
non-natives, and biodiversity.
=20
One issue that has garnered very little discussion in a global context =
is
what constitutes a
2007 2:19 AM
To: ECOLOG-L@LISTSERV.UMD.EDU
Subject: Re: ECOSYSTEM Health Alien invasions persistence decline limits
control Re: semi-silly question from John Nielsen
I'll pick up on two of Wayne's points. One is that "some aliens that do=20
little harm" -- this is true,
ond directly to John Nielsen.
>
> Cheers,
> Annie
>
>
>
> From: John Nielsen [mailto:[EMAIL PROTECTED]
> Sent: Thursday, November 15, 2007 2:57 PM
> To: Annie Drinkard
> Cc: John Nielsen
> Subject: semi-silly question from John Niels
they?
>
> I can see where this opens up an interesting set of questions. Should be a
> fun discussion.
>
> Bill Silvert
>
>
> - Original Message -
> From: "Annie Drinkard"
> To:
> Sent: Thursday, November 15, 2007 8:06 PM
> Subject: FW
by introducing another
>alien species to control it -- which brings into action the Law of
>Unintended Consequences. It's a tricky game to play.
>
>Bill Silvert
>
>
>----- Original Message -
>From: "Wayne Tyson" <[EMAIL PROTECTED]>
>To:
&
cies to control it -- which brings into action the
> Law of Unintended Consequences. It's a tricky game to play.
>
> Bill Silvert
>
>
> - Original Message - From: "Wayne Tyson" <[EMAIL PROTECTED]>
> To:
> Sent: Friday, November 16, 2007 1:08
RE: Invasives we loathe.
In the Great Basin and much of the Intermountain west: cheatgrass.
Cheatgrass readily invades disturbed soil and has spread throughout the West
in the wake of grazing, agriculture and development. An invasive annual
grass, it readily displaces native bunchgrasses and forbs
ings into action the Law of
Unintended Consequences. It's a tricky game to play.
Bill Silvert
- Original Message -
From: "Wayne Tyson" <[EMAIL PROTECTED]>
To:
Sent: Friday, November 16, 2007 1:08 AM
Subject: ECOSYSTEM Health Alien invasions persistence decline lim
of -- so how loathed are they?
>
> I can see where this opens up an interesting set of questions. Should be a
> fun discussion.
>
> Bill Silvert
>
>
> - Original Message -
> From: "Annie Drinkard" <[EMAIL PROTECTED]>
> To:
> Sent: Thursday, N
asive species that the
>rest of us have never heard of -- so how loathed are they?
>
>I can see where this opens up an interesting set of questions. Should be a
>fun discussion.
>
>Bill Silvert
>
>
>- Original Message -
>From: "Annie Drinkard" <[EMAIL P
al Message -
From: "Annie Drinkard" <[EMAIL PROTECTED]>
To:
Sent: Thursday, November 15, 2007 8:06 PM
Subject: FW: semi-silly question from John Nielsen
> Please respond directly to John Nielsen.
> =20
> Cheers,
> Annie
>
>
>
Please respond directly to John Nielsen.
=20
Cheers,
Annie
From: John Nielsen [mailto:[EMAIL PROTECTED]
Sent: Thursday, November 15, 2007 2:57 PM
To: Annie Drinkard
Cc: John Nielsen
Subject: semi-silly question from John Nielsen
Annie -
=20
Hi it's
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