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Re: helpful weed

I think that the Canadian J. of Botany and the American Midland
	Naturalist are at the Forestry School here in Syracuse. I suspect
that they would be in any University library. If I can find a parking space
(impossible) I'll spend some time reading the materials.

From the titles, it looks as if the articles discuss the way plants
accumulate salt but don't explain what happens to the salt when the plants
die.

Debby

---------------------

>> Debby writes:
>>
>> > So, what happens to the salt? Does it concentrate in the plants? What
>> >  happens when the plants die? There must be more to this than they're
>> >  letting on.
>> >
>> I don't know.  What happens with other plants that act as biological
>>filters?
>> I just thought the article was interesting because I have family in west
>>Texas
>> and have seen areas of ground where nothing has grown for years due to oil
>> well spillovers.  Maybe the knotweed provides a source of salt for
>>animals far
>> from either coast.
>
>I just got mail back from one of the researchers working on this project.
>He says:
>
>----------------------------------------------------------------------
>Dear Dr. Lindsey:
>
>    We have been investigating the ability of halophytes to accumulate
>salts and reduce soil salinity in brine spills.  Two publications that
>might be useful to you are:
>Foderaro, MA and Ungar IA. 1997.  Growth and survival of 	Polygonum
>aviculare L. at a brine contaminated 	site in southeastern Ohio.  American
>Midland 	Naturalist 138: 140-152.
>
>Keiffer, CH and I.A. Ungar.  1997.  The effects of 	density and salinity on
>shoot biomass and ion 	accumulation in five inland halophyte species.
>Canadian Journal of Botany 75:96-107.
>
>Polygonum aviculare is a widespread weed species in North America, but it
>is a poor competitor with perennials which eventually replace it.
>
>Best wishes,
>
>IA Ungar
>----------------------------------------------------------------------
>
>Anyone have access to the actual publications?
>
>Chris
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