Alaska’s Tongass and Chugach National Forests, which contain some of the world’s largest remaining tracts of intact temperate rainforest, contribute an average of 48 million salmon a year to the state’s commercial fishing industry, a new USDA Forest Service-led study(link is external) has found.
Alaska’s Tongass and Chugach National Forests, which contain some of the world’s largest remaining tracts of intact temperate rainforest, contribute an average of 48 million salmon a year to the state’s commercial fishing industry, a new USDA Forest Service-led study(link is external) has found. The average value of these “forest fish” when they are brought back to the dock is estimated at $88 million per year.
Led by the Forest Service’s Pacific Northwest Research Station, the study used Alaska Department of Fish and Game data and fish estimates from 2007 to 2016 to quantify the number and value of Pacific salmon originating from streams, rivers, and lakes on the Tongass and Chugach, which are, respectively, the largest and second-largest national forests in the country. The study focused on five commercially important salmon species—Chinook, coho, sockeye, pink, and chum—caught primarily in four commercial salmon management areas adjacent to these two forests.
“Pacific salmon fisheries are absolutely central to Alaska’s economy and culture,” said Adelaide Johnson, a Juneau-based hydrologist with the Pacific Northwest Research Station and the study lead. “We suspected that many of the ocean-caught Pacific salmon that support the fishing industry likely began their lives in forest streams that drain the Tongass and Chugach National Forests.”
Johnson and Forest Service colleagues Ryan Bellmore and Ronald Mendel, and Alaska Department of Fish and Game’s Stormy Haught, used a three-step process to determine the number of fish originating from the Tongass and Chugach. First, they calculated the total number of salmon caught in regional commercial harvest areas. They then subtracted the number of salmon originating from hatcheries—a process facilitated by the hatchery practice of marking juvenile fish—and the number of salmon that originated outside national forest boundaries, such as commercially caught fish that were born in Canadian rivers and rivers farther south in the contiguous United States.
Read more at USDA Forest Service - Pacific Northwest Research Station
Image: Alaska's Tongass and Chugach National Forests, which contain some of the world's largest remaining tracts of intact temperate rainforest, contribute an average of 48 million salmon a year to the state's commercial fishing industry, a new USDA Forest Service-led study has found. The average value of these 'forest fish' when they are brought back to the dock is estimated at $88 million per year. (Credit: Ali Freibott, US Forest Service)
