On Tue, Sep 8, 2009 at 4:12 PM, NadeemKazmi?= <[email protected]> wrote:
> I want to sample macro invertebrate and look for species that need high > concentrations of DO , such as mayfly , stonefly and caddisfly and trout. > My hypothesis is that stream reach below dam will have macro invertebarates > that thrive in low DO and stream above the dam would have macro > invertebrates that trive in high DO. My constriants are that 1) I have not > done done macro invertabrate sampling, 2) I will doing sampling by > myself. 3) Surber sampler is quite expensive. Can you please guide me how I > should do the macro invertabrates sampling? and from Where I can get a > Surber sampler for cheap , my budget limit is $ 70. > I will really appreicate your help > Thanks > Nadeem kazmi > I think you should read the following: http://www.epa.gov/bioiweb1/html/rbps.html Here you get a protocol used by the Environmental Protection Agency. In this website, I think you need only to read the link to the benthic macroinvertebrate sampling: http://www.epa.gov/owowwtr1/monitoring/rbp/ch07main.html The procedure given here is pretty simple and does not demand expensive instruments. -- Thilina Dilan Surasinghe (BS in Zoology Colombo, Sri Lanka) Teaching Assistant Graduate Student in Ecology & Conservation Biology Dept of Biological Sciences 132 Long Hall Clemson University Clemson, SC 29634-0314, USA
