Aquatic Vertebrate Population Study in Mack Creek, Andrews Experimental Forest, 1987 to present

Since 1987, we have been monitoring populations of West Slope cutthroat trout (Onchorhyncus clarki clarki) in two standard reaches of Mack Creek in the H.J. Andrews Experimental Forest. Beginning in 1993, we included monitoring of Pacific Giant Salamanders, Dicamptodon tenebrosus. The two standard reaches are in a section of clearcut forest (ca. 1963) and an upstream 500 year old coniferous forest. Sub-reaches are sampled with 2-pass electrofishing, and all captured vertebrates are measured and weighed. This study constitutes one of the longest continuous records of salmonid populations on record.

自1987年起，研究团队持续对H.J.安德鲁斯实验森林（H.J. Andrews Experimental Forest）内麦克溪（Mack Creek）的两个标准河段的西坡切喉鳟（West Slope cutthroat trout，学名Onchorhyncus clarki clarki）种群开展监测工作。1993年起，监测范围新增太平洋巨钝口螈（Pacific Giant Salamanders，学名Dicamptodon tenebrosus）。该两个标准河段分别坐落于1963年左右实施皆伐的林区，以及上游一处树龄达500年的针叶林区域。研究采用双程电渔法（2-pass electrofishing）对子河段进行采样，并对所有捕获的脊椎动物开展体长测量与体重称量工作。本研究是目前有记录以来持续时长最长的鲑科鱼类（salmonid）种群连续监测序列之一。