I am starting a project studying upground reservoirs (i.e., bulldozed areas next to a stream in the flat northwestern parts of Ohio into which drinking water is pumped) and we want to document the abundance of submerged macrophytes in these steep-sided systems. I have been thinking that I want to use a depth/fish finder coupled with GPS in traverses of the reservoirs to find and quantify the area with these macrophytes. Does anyone have suggestions as to
1. how well this might work (some of the advertising suggests that their units can identify fish in macrophytes and I am afraid that an off-the-shelf unit might intentionally/by design not pick up macrophytes? 2. models that have worked well? Ideally, we would like to link the data on the depth finder to a computer, so that we can analyze the data off-boat. 3. other methods we might use to rapidly quantify submerged macrophytes. Thanks. Jeff Jeffrey G. Miner, Ph.D. Associate Professor Aquatic Ecology and Fisheries Laboratory Graduate Program in Ecology, Evolution, and Conservation Biology Department of Biological Sciences Bowling Green State University Bowling Green, OH 43403 USA (419) 372-8330 Fax: (419) 372-2024 [email protected] http://www.bgsu.edu/departments/biology/ You must be the change you wish to see ~ Gandhi We can only be as great as our own expectations.
