Maya Friedman

Maya Friedman, PhD Candidate

I am interested in how environmental variability might drive patterns of habitat use and movement of juvenile salmonids, and if returning adults disproportionately represent particular life history strategies. My research makes use of otolith microchemistry methods to reconstruct spatiotemporally explicit migration histories and habitat use of individual juvenile Chinook salmon (O. tshawytscha). Otoliths (fish ear bones) form daily rings, much like tree rings, and absorb information about the individuals environment. Since otoliths act as natural markers of where a fish has been, I will be able to look at the otoliths of returning adults and answer questions about their juvenile migration timing and rearing habitats. I am focusing on runs from two major California Rivers: Klamath River Fall-run Chinook, and Central Valley Winter-run Chinook salmon.
My research is in cooperation with NOAA Fisheries, Southwest Fisheries Science Center. My work is supported by Dr. Eric Danner at the Fisheries Ecology Division of NOAA fisheries. I am a part of the Landscape Ecology team, where we focus on spatial and temporal patterns in the environment and how this affects fish population dynamics. My work is aimed at improving our understanding of the growth patterns associated with different juvenile emigration behaviors, and of the relationship between environmental variation and habitat use by endangered and threatened juvenile salmon.

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