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Excerpt from Ecological Studies of Sockeye Salmon and Related Limnological and Climatological Investigations, Brooks Lake, Alaska, 1957 It was necessary then to estimate the num ber of spawners actually present, since the recorded count of is incomplete. The weir tagging and tag sighting data given in tables 2 and 3 formed a basis for the estimate. 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.
Ecological studies on the fresh-water phases of the life history of sockeye salmon and studies on related limnology and climatology were made at Brooks Lake, Alaska, in 1957. Data are presented and interpreted on adult sockeye salmon spawning distributions and behavior, age, sex, length, fecundity, and bear predation; on juvenile sockeye salmon ages, food, growth, migration from the lake, relative abundance, and distribution in the lake; and on climatological and limnological factors that may influence sockeye salmon behavior and abundance.
This is a research plan for sockeye salmon in Brooks Lake, Brooks River, and One-Shot Creek. The purpose is to determine how the physical, chemical, and biological factors affect the abundance and survival of this fish in freshwater.
Excerpt from Intertidal Ecology and Life History of Pink Salmon at Olsen Creek, Prince William Sound, Alaska Twelve pink salmon streams in Port Gravina in addition to Olsen Creek were surveyed once a week to check for emigrant tags (fig. A summary of the recovery data is given in table 4. Tagged fish taken in the commercial fishery and those found in the Port Gravina streams were considered emigrants and were subtracted from the total tagged to correct population estimates. The following formula was used to estimate the total spawning population from the ratio of tagged to untagged carcasses. 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.