Laserfiche WebLink
<br />METHODS <br />Timing of Field Work <br />Data were collected during four trips to the Monument, each of which <br />23 <br />included rafting the length of the Yampa River from Deerlodge Park to Echo <br />Park and the Green River from Echo Park to Split Mountain. Three of the four <br />trips also included rafting down the Green from Lodore Ranger Station to Echo <br />Park. Boatmen, rafts and other necessary equipment were provided by the Park <br />Service personnel at the Monument. <br />The first trip was from April 19 to 26, 1982. This was a combined <br />reconnaissance trip for all of the groups involved in the study. All river <br />corridors were travelled. Potential study sites were located, photographs were <br />taken, and an initial map was made of the stream-side vegetation of the Yampa and <br />Green above Split Mountain. A small collection of plants was also made. <br />A second trip was made from June 11 to 15 to observe the Yampa River at <br />high flow. Only the Yampa and Green below the confluence were rafted. A larger <br />plant collection was made on this trip and photographs were taken to document <br />the flood stage. As the peak flow had occurred the week before our arrival, the <br />river level observed on this trip was just below the maximum of the year, but <br />indications of the high water line were present. During this visit, the <br />Monument's photo library was examined for historical photos to document the <br />vegetation of the Green River prior to construction of Flaming Gorge Dam, the <br />sequence and rate of change since the dam, and the historical vegetation on the <br />Yampa River. <br />In early August (the 3rd to the 15th), all river corridors were run again. <br />The purposes of this trip were: (1) to take measurements of the vegetation at <br />selected sites on the Yampa and Green, both above and below the confluence, <br />