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Subject: Re: request for "thoughts"
From: Irene Zweim├╝ller <[log in to unmask]>
Reply-To:Scientific forum on fish and fisheries <[log in to unmask]>
Date:Wed, 31 May 2006 09:49:53 +0200
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Hi, Markus,

Did you measure primary production? If not, my guess is that algae were
more active than you assumed.

kind regards
Irene Zweimueller

On Di, 30.05.2006, 22:12, Markus Dyck wrote:
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>
> Dear colleagues:
> I have a question of limnolgical nature: I have conducted some limno work
> at a lake in the Arctic (Baffin Island) and found the pH of the water to
> be alkaline (8-9). The bedrock is granitic which should result in more
> acidic pH. The till in the area has not a lot of carbonic sources as far
> as I know. Measurements were taken during spring (April, so not much
> photosynthesis took place). I have difficulty trying to explain the
> alkaline nature of the water since there is not much water contributed to
> the small lake by creeks. Any thoughts on this are greatly appreciated.
> Regards
> Markus
>
> Markus Dyck, M.N.R.M., AWB
> Senior Instructor
> Environmental Technology Program
> Nunavut Arctic College
> North 40 Campus (Federal Bldg.)
> P.O. Box 600
> Iqaluit, Nunavut
> X0A 0H0
>
> Ph: 867-979-7282
> Fx:               -7101
>
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