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permaculture - Re: [permaculture] nitrogen fixing trees/shrubs that feed livestock

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Chronological Thread  
  • From: Marimike6@cs.com
  • To: permaculture@lists.ibiblio.org
  • Subject: Re: [permaculture] nitrogen fixing trees/shrubs that feed livestock
  • Date: Wed, 29 Dec 2004 00:31:37 EST

Toby says

>I find Mollison's classification a useful one: first use a native if it will
do the job, but if not (and if you want food, not many will in the US), a
tested exotic, then, finally, a small trial of an untested exotic.

Sounds reasonable. I wonder whether the person(s) who first put a couple of
Asian snakeheads in his backyard pond up in Maryland felt the same way.

http://news.nationalgeographic.com/news/2002/07/0702_020702_snakehead.html

You don't know whether an untested exotic is dangerous until it jumps the
fences. Then, gol durn it, some of them is dangerous. The Asian brown tree
snake
comes to mind.

http://www.columbia.edu/itc/cerc/danoff-burg/invasion_bio/inv_spp_summ/boiga_i
rregularis.html

Life can be ingenious. Watch out for killer shrimp.

http://www.glu.org/english/projects/biodiversity-habitat/exotic-species/docume
nts/Potential%20Invaders%20Factsheet.pdf





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