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THE FISH Division of the Virginia Game Commission has announced that Larry Mohn will head the division’s trout stream classification project. Mohn is a graduate of Pennsylvania State University where he received his Bachelor of Science degree and Virginia Polytechnic Institute from which he received a Masters Degree in 1972. Originally from Schwenksville, Pa., Mohn has been involved in fisheries work in Pennsylvania and Oregon before joining the Virginia Game .Commission in July of this year.
Mohn will head up the project and is currently directing two teams of researchers. One crew is involved with physical and chemical aspects of the various trout streams and the other is investigating quantitative estimates of trout populations and bottom fauna. The project Larry Mohn is directing is basically a classification of the state’s trout streams for management purposes. Though not all of the water the classification crews will investigate can be considered trout water, several thousand streams will have to be surveyed in order to discover which will support trout. Primarily, the work will involve cataloging native trout streams and those which have potential for the Commission’s put-and-take trout stocking program.
The stream classification project will also serve to protect and preserve the best streams, many of which might otherwise be lost. Good trout water is often lost due to physical disturbances such as stream channelization and road construction or sedimentation in the form of runoff from croplands and strip mining activity. It is felt that these losses can be considerably reduced or eliminated entirely by working with other agencies responsible. First, however, the streams need to be classified and a value placed upon them. The work undertaken by Mohn and his assistants will allow the Commission to say, for example, that a stream is valuable wild trout water and that channelization or other disturbance would damage the fishery. It is possible that the stream would be found of little value in terms of supporting a fishery and certain types
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