Sockeye salmon natural selection against large bodies. Populations with higher levels of predation tend to evolve smaller body size. Without the threat of predation, salmon that breed early in the season live longer than those that breed late in the season. Other ecological factors like stranding effect select for smaller body size in sockeye salmon when present in a habitat. Stranding is when salmon swim into dry land or shallow water during their migration for spawning and die from suffocation. In fact, studies show that the Sockeye salmon with the largest bodies are most susceptible to stranding mortality. Reproduction is marked by
Sockeye Fire By the morning of Monday, June 15, the fire had grown to over , and had destroyed 40–45 structures, roughly half of which were primary homes occupied by local residents, with the other half being described as "secondary structures". Local schools and churches were used as emergency shelters. In addition to Willow, air quality has been affected in the communities of Nancy Lake, Houston, and Big Lake. The Sockeye Fire has impacted the sled dog teams living in the area, with as many as 4,500 dogs moved away from the impacted areas. Other sled dogs, owned by local participants of