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. 2018 Sep 21;13(9):e0204274. doi: 10.1371/journal.pone.0204274

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© 2018 Keefer et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 11 — Relationships between release date and the accumulation of acute temperature exposure measured in degree days ≥20 °C (DD₂₀) for individual fall Chinook salmon (n = 21, blue symbols) and steelhead (n = 75, gold symbols) during their ~470 rkm migration from release to Lower Granite Dam in 2000 and 2002.