Alaskas Fishery Resources The Pink Salmon Classic Reprint

Excerpt from Alaska's Fishery Resources, the Pink Salmon Pink salmon have the shortest and simplest life his tory of any Pacific salmon. Because they have a 2-year life cycle and return to their native streams to spawn, two genetically distinct lines occur in each stream. The lines are called even or odd-year on the basis of the year in which the adults spawn. Differences in the num ber and in the size of the fish in the two lines have been the subject of speculation for many years. In some areas, only one line spawns in significant numbers, leaving fish erman with few or no fish in an off year. For example, Although several attempts have been made to trans plant pink salmon to waters outside their natural range, no new important fishery has been established. The United States planted them in rivers in Maine, the Rus sians in tributaries of the Barents and White Seas of northern Europe, and the Canadians in tributaries to Hudson Bay and in rivers in the Maritime Provinces of eastern Canada. None of these efforts resulted in runs that survived more than a few cycles. Although pink salmon do not usually complete their life cycle in fresh water, an accidental release of several hundred fry resulted in a population that perpetuated itself for a few cycles in Lake Superior. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.