[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: NFC: Fw: salvinia notes


--- robertrice at juno_com wrote:
> a lil salvinia discussion I was having with the Jim
> WIlliams crowd
> ,,...thought the list members would like to see it
> and to let list
> members know We wont allow salvinia as an auction or
> trade item from now
> on.
> 
>LOLOLOL!!!

I scanned this over too quickly until I got to the
letter below and thought it referred to Cichlasoma
salvini!

Oh well, headspace adjustment time.
jake
 
> Robert Rice NFC  President
> Save those Fishes,  Join the Native Fish Conservancy
> http://www.nativefish.org
> 
> --------- Forwarded message ----------
> 
> 
> Hi Robert, 
> Jim's got it, both members of the genus Salvinia,
> Salvinia molesta as
> well 
> as Salvinia minima (sometimes called Salvinia
> rotundifolia) are
> non-native 
> to North America. 
> 
> Our study enitled "The adventive status of Salvinia
> minima and S. molesta
> 
> in the southern United States and the related
> distribution of the weevil 
> Cyrtobagous salviniae" is due out in the June 2001
> issue of Castanea 
> 66(2), authors C. Jacono, T. Davern and T. Center. 
> We report the first 
> collection of S. minima in North America from the
> St. Johns River, FL in 
> 1930. We mapped the likely sites of its inroduction
> and its subsequent 
> range expansion to the present.  Through our field
> studies, we found the 
> salvinia weevil, Cyrtobagous salviniae, occurring
> widely on S. minima in
> Florida but did not find it to be established in
> other states.  The 
> salvinia weevil was accidentally introduced to
> Florida before 1960. We 
> believe that this weevil likely accounts for the
> reduced aggressiveness
> of S. minima in Florida as compared to its
> troublesome growth in Texas
> and Louisiana. 
> However, it does not appear to be eliminating S.
> minima, at least to the 
> extent that has been reported for S. molesta in
> Australia, South Africa 
> and other countires. 
> 
> It's not really known why weevils transferred from
> Florida don't appear
> to 
> have much of an appetitie for S. molesta.  Could be
> that the weevil in 
> Florida is a bit different from that introduced as a
> biocontrol agent in 
> other countries. Researchers at USDA-ARS are working
> on importing the 
> salvinia weevil directly from Australia for
> experimentation on S. molesta
> 
> in the US. 
> 
> hope this helps, 
> Colette
> 
> Colette C. Jacono
> U.S. Geological Survey
> 7920 NW 71st St.
> Gainesville, FL  32653
> 
> 
> 
> 
> 
> 
> James D Williams
> 01/16/2001 09:15 PM
> 
> 
>         To:     robertrice at juno_com
>         cc:     Colette Jacono/BRD/USGS/DOI@USGS
>         Subject:        Re: final draft new flier
> 
> Robert
> Happy New Year!  The new Flier looks great! - - 
> however there is a 
> factual error that should be corrected if its not
> too late.  In the story
> 
> "Exotic Problem" on page 4  - -  there is no
> Salvinia native to the US. 
> Turns out both species are introduced.  You should
> contact Colette Jacono
> 
> in our Lab for details as she has done most of the
> work on the Salvinia 
> problem.
> Later
> Jim
> 
> 
> 
> 
> <><          <><          <><          <><         
> <><          <><  <><
> 
> James D. Williams
> U.S. Geological Survey
> Florida Caribbean Science Center
> 7920 NW 71st Street
> 
> 
> 
> 
>         Subject:        final draft new flier


__________________________________________________
Do You Yahoo!?
Get email at your own domain with Yahoo! Mail. 
http://personal.mail.yahoo.com/