I seem to remember that macroinvertebrate sampling should be done only once
a year to minimize impact on the stream.

Jack Eastman



on 3/8/02 10:58 AM, Peggy Murdock at [log in to unmask] wrote:

> The only limit is, as Becky pointed out, with the macroinvertebrates.  That
> is limited to 3 times per year.
>
> Peggy
>
> At 12:00 PM 3/7/2002 , you wrote:
>> Peggy -- is there a limit to how many samples may be taken per month from a
>> particular stream or monitoring site?
>>
>> Jane Clark
>>
>> ----- Original Message -----
>> From: Peggy Murdock <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Thursday, March 07, 2002 6:59 AM
>> Subject: Something of interest to IOWATER monitors
>>
>>
>>> FYI - At the conference on Agriculture and the Environment, John Olson of
>>> the Iowa DNR said that the department has to have at least 10 samples per
>>> year in order to use data.  If you are an IOWATER volunteer, you will
>>> probably have to get out to your stream and crack some ice in the winter
>> in
>>> order to have enough data to satisfy this requirement.
>>>
>>> Peggy Murdock
>>
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