[APWG] Exotics species overhyped

[Wayne Tyson]

Scientists are people who study what's happening and what is with an open 
mind and are uncocksure of themselves.

WT

----- Original Message ----- 
From: "Janet Allen" <janetallen3 at verizon.net>
To: <apwg at lists.plantconservation.org>
Sent: Monday, January 31, 2011 7:28 AM
Subject: Re: [APWG] Exotics species overhyped


>I hesitate to respond to this topic since I'm not a scientist, but as a 
>layperson I found Douglas Tallamy's (who IS a scientist) book Bringing 
>Nature Home a compelling argument for the benefits of native plants and the 
>dangers of non-native and especially invasive plants.
>
> This book targets a lay audience, but his professional publications are 
> listed on his website at
> http://copland.udel.edu/~dtallamy/  .
> Links to some of his data are at 
> http://copland.udel.edu/~dtallamy/host/index.html . From here, you can 
> download his findings on the number of lepidoptera (used as a proxy for 
> all insects) that various plants support.
>
> Basically (as I understand it), insects are an important foundation for 
> ecosystems, and native plants are extremely important as food for insects. 
> They can't generally eat the leaves of  non-native plants since they 
> didn't evolve to bypass chemical defenses of plants as they're able to 
> with the native plants which which they evolved.
>
> Janet Allen
>
>
>
>
> _______________________________________________
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>
> Disclaimer
> Any requests, advice or opinions posted to this list reflect ONLY the 
> opinion of the individual posting the message.


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