7067 - Laserfiche WebLink

Home Browse Search

11 stations. Collections were also made for the first time at Island Park, an ana approximately lJ river lId.les t.rom Split :tbuntain Campground. The crew was equipped with several tied straight seines, two minnow ..ine., two experimental gill nets, rotenone, and stream shooking equipment. The crew traveled from station to station, sampling each area. Sampling methode were similar to those used during the Ootober, 1961, etfort. The rivers were in high nood stage and sampling was dittioult. Rotenone and two-man minnow seines proved the most effioient method for collecting fi she Swrmer and fall investigations of 1962 From June 26 through November 6, fish and invertebrate col- lections were made under varying water conditions along with measure- ments of water ohemistry, temperature, and depth ot visibility. Collections and measurements were made at the previously selected study areas. Equipment consisted of one experimental gill net, three standard gill nets, two ndnnow seines, hook and line gear, one e1eotrio resistanoe thermometer, two meroury thermometers, one square toot bottom-saIllpler, one hand soreen, one water chemistry kit, alooho1, tormalin, and IlUJDerous oontainers tor preservation of specimens. Hook and line proved the most effeotive gear for taking large fish during the 8UlIID18r months; however, this method was not ettective at Island Park. The one-man push seine method was suocesstul 1n capturing minnows and other small fish on several occasions. When assistanoe was aVailable, a two-man minnow seine captured many small tish. Gill nets were effeotive at Eoho Park in both the Green and Tampa rivers when water volume of now was reduced.