Laserfiche WebLink
<br />-.._~ <br /> <br />~:. <br /> <br />12 <br /> <br /> <br />A. fioat trip and general reconnaissanoe of the Green River <br /> <br />ii <br />;1f <br />lj <br />;1 <br />lj <br />a <br />;~ <br />a' <br />,{ <br /> <br />troll the Gates ot Lodore to Split lbuntain Campground was made from <br />June 26 through June JO. <br /> <br />The sampling eftort of October t 1962. <br />During the period of Ootober 19 through 21, the oollecting <br /> <br />stations were again sampled in moh the same manner. The field crew <br /> <br />consisted ot Dr. Hagen and 14 fisheries students from Colorado state <br />University. For aonvienience in sampling, the men were divided into <br /> <br />two work orews. <br /> <br />Crew number one sampled stream seotions at Split l-lountain <br />Campground, Island Park, Echo Park, and CasUe Park. This crew was <br />equipped with two tied bag seines, a stream shooker, a square foot <br />bottom-sampler, jars, and formalin. Seining methods were disoarded <br /> <br />because the stream shooker proved muoh more efficient in capturing fish. <br /> <br />Crew number two oolleoted at the Echo Park and Gates of Lodore <br /> <br />.~ areas. They used several gill nets, a tied bag seine, rotenone, <br /> <br />and a square foot bottom-sampler. A duplioation of effort at the Echo <br />Park station was intended because of its stratogio looation at the <br />oonfluenoe of the Green and Yampa rivers. <br /> <br />Laboratory prooedures <br /> <br />In the laboratory, fish were identified and stomaoh oontents <br /> <br />were analyzed. The digestive traot :f'rom the esophagus to the anal open- <br /> <br />ing was removed and the oontents identified. Lengths were recorded <br /> <br />betore stomaohs were removed. Bottom organisms were identit1.ed as <br /> <br />precisely as possible (Pennak, 1953) by using a binooular diE seoting <br /> <br /> <br />microsoope. <br /> <br />