FORT Research Economist Aaron Enriquez to present research on salmon economics in a meeting at the University of Alaska Anchorage
By Fort Collins Science Center
November 30, 2023
USGS Research Economist Aaron Enriquez was invited to travel to the University of Alaska Anchorage to participate in a series of meetings with researchers working on topics related to marine Arctic resilience, adaptations, and transformations.
Aaron is attending as an expert on the economic value of salmon, and he will be presenting updates on his salmon-related research. In that work, Aaron has modeled people’s demand for fishing trips to different personal use fishing sites in Southcentral Alaska. He observes how demand depends on various daily factors, including salmon run size, commercial fishery operation, weather, and more.
Using travel cost methods, Aaron also estimates some nonmarket values of interest, including the value per personal use fishing trip, the value per salmon caught while personal use fishing, the value per additional salmon in the run, and the value for reductions in commercial fishing.
He will be in Anchorage, Alaska during the week of December 4th through 8th.
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Environmental and Natural Resource Economics
Federal land managers are accountable to the public for how they use public resources and for the outcomes of management decisions. Through a variety of economic analyses and custom modeling, SEA economists evaluate how investments and management decisions affect individuals, local communities, and society as a whole.
How many species of salmon are there and how large can they get?
There are seven species of Pacific salmon. Five of them occur in North American waters: chinook, coho, chum, sockeye, and pink. Masu and amago salmon occur only in Asia. There is one species of Atlantic salmon. Chinook/King salmon are the largest salmon and get up to 58 inches (1.5 meters) long and 126 pounds (57.2 kg). Pink salmon are the smallest at up to 30 inches (0.8 meters) long and 12...
Where are salmon most endangered?
Certain populations of sockeye salmon, coho salmon, chinook salmon, and Atlantic salmon are listed as endangered. Sockeye salmon from the Snake River system are probably the most endangered salmon. Coho salmon in the lower Columbia River may already be extinct. Salmon are not endangered worldwide. For example, most populations in Alaska are healthy. Some populations in the Pacific Northwest are...
Why are there so few salmon left?
There are many reasons for the decline in salmon populations. Logging an area around a stream reduces the shade and nutrients available to the stream and increases the amount of silt or dirt in the water, which can choke out developing eggs. Dams cause fish to die from the shock of going through the turbines and from predators that eat the disoriented fish as they emerge from the dam. Overfishing...
When can salmon be seen migrating to their spawning area?
Most Pacific salmon can be seen migrating from spring though fall, depending on the species. Most adult Atlantic salmon migrate up the rivers of New England beginning in spring and continuing through the fall as well, with the migration peaking in June. Learn more: Western Fisheries Research Center - Questions and Answers about Salmon
How far do salmon travel?
Salmon first travel from their home stream to the ocean, which can be a distance of hundreds of miles. Once they reach the ocean, they might travel an additional 1,000 miles to reach their feeding grounds. Learn more: Western Fisheries Research Center - Questions and Answers about Salmon
How do salmon know where their home is when they return from the ocean?
Salmon come back to the stream where they were 'born' because they 'know' it is a good place to spawn; they won't waste time looking for a stream with good habitat and other salmon. Scientists believe that salmon navigate by using the earth’s magnetic field like a compass. When they find the river they came from, they start using smell to find their way back to their home stream. They build their...
Related
Environmental and Natural Resource Economics
Federal land managers are accountable to the public for how they use public resources and for the outcomes of management decisions. Through a variety of economic analyses and custom modeling, SEA economists evaluate how investments and management decisions affect individuals, local communities, and society as a whole.
How many species of salmon are there and how large can they get?
There are seven species of Pacific salmon. Five of them occur in North American waters: chinook, coho, chum, sockeye, and pink. Masu and amago salmon occur only in Asia. There is one species of Atlantic salmon. Chinook/King salmon are the largest salmon and get up to 58 inches (1.5 meters) long and 126 pounds (57.2 kg). Pink salmon are the smallest at up to 30 inches (0.8 meters) long and 12...
Where are salmon most endangered?
Certain populations of sockeye salmon, coho salmon, chinook salmon, and Atlantic salmon are listed as endangered. Sockeye salmon from the Snake River system are probably the most endangered salmon. Coho salmon in the lower Columbia River may already be extinct. Salmon are not endangered worldwide. For example, most populations in Alaska are healthy. Some populations in the Pacific Northwest are...
Why are there so few salmon left?
There are many reasons for the decline in salmon populations. Logging an area around a stream reduces the shade and nutrients available to the stream and increases the amount of silt or dirt in the water, which can choke out developing eggs. Dams cause fish to die from the shock of going through the turbines and from predators that eat the disoriented fish as they emerge from the dam. Overfishing...
When can salmon be seen migrating to their spawning area?
Most Pacific salmon can be seen migrating from spring though fall, depending on the species. Most adult Atlantic salmon migrate up the rivers of New England beginning in spring and continuing through the fall as well, with the migration peaking in June. Learn more: Western Fisheries Research Center - Questions and Answers about Salmon
How far do salmon travel?
Salmon first travel from their home stream to the ocean, which can be a distance of hundreds of miles. Once they reach the ocean, they might travel an additional 1,000 miles to reach their feeding grounds. Learn more: Western Fisheries Research Center - Questions and Answers about Salmon
How do salmon know where their home is when they return from the ocean?
Salmon come back to the stream where they were 'born' because they 'know' it is a good place to spawn; they won't waste time looking for a stream with good habitat and other salmon. Scientists believe that salmon navigate by using the earth’s magnetic field like a compass. When they find the river they came from, they start using smell to find their way back to their home stream. They build their...
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