What are the key demographic parameters that influence spring salmon population growth and decline?

Each spring, landlocked salmon chase spawning rainbow smelt into the tributaries on the New York and Vermont sides of Lake Champlain where anglers intercept ... The Middle Fork basin contains some of the best Chinook salmon habitat in the entire Columbia River basin. The Middle Fork Chinook salmon population has not ... Key Conservation Issues: Climate Change, Land Use Changes, Invasive Species, Disruption of Disturbance Regimes, Barriers to Animal Movement, Water Quality and ... Apr 9, 2025 ... The newly added days you can keep a chinook salmon are April 11-13 (a Friday-Sunday) and also April 15-17 (a Wednesday-Thursday. Chinook Salmon are “anadromous” fish, migrating upstream as adults to spawn in freshwater streams, and migrating as juveniles downstream to grow and mature in ... Mar 23, 2018 ... On a parchment-lined sheet pan, to one side, place the spring peas and snap peas. Pat the salmon dry and brush liberally with the marinade ... Feb 19, 2025 ... Salmon and steelhead fishing is open daily through March 31 from the mouth of the Columbia River to the Interstate 5 bridge under permanent ... Dec 13, 2024 ... These Columbia spring salmon are some of the best eating salmon in all of the pacific northwest due to their high oil content. These fish spend ... Chinook salmon are the largest Pacific salmon species and, on average, grow to be three feet (0.9 meters) long and approximately 30 pounds (13 kilograms). The Columbia is open to the retention of 1 adipose fin clipped Chinook between March 1 and April 9, excluding a closure day on March 29. That certainly sounds ...