Lake Whitefish Biology in Okanagan Basin Lakes

摘要

Native populations of Lake Whitefish (Coregonus clupeaformis) are widely distributed in watersheds of the northern half of mainland B.C. (McPhail 2007, Map 56), and by introduction to several southern lakes in the upper Thompson, Okanagan, Arrow, andKootenay systems in the late 1800s and early 1900s. According to J.L. McHugh in Clemens, Rawson, and McHugh (1939), Lake Whitefish were first introduced to Kalamalka and Okanagan lakes in 1894 as 1.2 million fry coming from Lake Winnipeg eggs reared in the New Westminster hatchery. No further stockings of Lake Whitefish occurred until 1928 and 1929 when eggs from Waterhen River, Manitoba, were hatched at Summerland Hatchery and planted as fry to Okanagan Lake -4.8 million in 1928 and 4.7 million in 1929. Those introduced to lakes in the lower Fraser River system and southern Vancouver Island failed, as well as apparently to the southern Okanagan Basin (McPhail 2007, Map 56).