Annual Temperatures and Dynamics of Food Availability are Associated with the Pelagic-Benthic Diversification in a Sympatric Pair of Salmonid Fish

Probing for depth‐gradient diversification in the riverine‐spawning Dolly Varden: Insights from a recently discovered ecomorph assemblage

“…Chironomid larvae present in the stomachs of all morphs in May are the main primary decomposers of salmonid carcass (Chaloner et al, 2002). By July, the biomass of benthic insects decreases with imago swarming (Markevich et al, 2022; Svenning et al, 2007), and the amount of the remains of sockeye in the lake increases because of summer spawning. The same feeding source may explain the close values of δ 15 N in the morphs' muscles, which normally would have to differ in 2–3‰ among the dwellers of the littoral and profundal zones (Minagawa & Wada, 1984).…”