Re: Can't find microbes in lake water
From: Aaron (nghy_at_comcast.net)
Date: 08/05/04
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Date: 5 Aug 2004 13:36:07 -0500
Hi,
I used to do this with my two sons. It is great fun.
There are several issues raised in your request. By your description
of the locations you sampled, you should have had no difficulty in
harvesting single cell plants and animals. Still you might try again
looking along the shore in an area where there is some plant debris
floating in quiet water with what looks like a scummy film and bubbles
on the surface. The animals feed on the bacteria that feed on the
decaying plant matter. . . .
It is possible that you have collected samples with the desired
specimen, but may be having problems preparing the slides or with the
microscope..
What brand and type of microscope are you using? How much experience
have you had using this instrument? .What eyepieces and objectives are
you using? How are you preparing your slides?
With this information, it may be easier to figur out what needs to be
done.
Aaron
On 5 Aug 2004 09:19:50 -0700, realexander@akron.usa.com (Bob
Alexander) wrote:
>Hi,
>
>I've been trying to find any sort of microbes in samples of lake
>water. I've taken samples from the water surface, the muddy bottom,
>and floating plants. I've seen a grand total of two single celled
>animals.
>
>I thought every drop of water was supposed to have very large numbers
>of microscopic animals. Are my expectations unrealistic? Am I
>gathering samples from the wrong place? If Leeuwenhoek had looked at
>most of my water samples, he would've decided there's nothing there
>and microscopy is a waste of time!
>
>Thanks,
> Bob Alexander
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