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Field note

Salmon in : Pacific Oncorhynchus split · 595

[594] [read-salmon-8-194] In , the field log for Salmon is headed “Pacific Oncorhynchus split.” The figure kept beside that heading is 6. It is a count or a date from the work, not a rank of the species’ worth. A zoo birthday card does not replace the log. Teaching snapshot as of September 2026 — not a live IUCN feed.

After 2011-14, sediment flushed and salmon recolonised reaches above the old dams faster than some models feared -- a rare full-height teardown. Are hatcheries a solution or a delay? They keep harvest numbers up and can dilute wild fitness. The argument is now about proportions, not existence.

Why are Atlantic salmon a different politics? Wild S. salar collapsed in much of Europe and New England. Farmed Atlantic salmon in net pens are a separate industry with sea-louse and escape files. Many Alaska runs are still large and limited-entry managed. That success is not transferable to a heavily dammed Columbia without the same habitat.

Olfactory imprinting on natal water plus celestial and magnetic cues. A ladder that smells wrong is a closed door. Did Boldt (1974) change more than courtrooms? US v. Washington affirmed treaty harvest shares for tribes. Allocation, not biology, became the daily salmon fight in Puget Sound.

Keep , “Pacific Oncorhynchus split,” and 6 together or the note on Salmon stops being that year’s record.6

Figures to keep

Year of the note
6
Figure to keep
6
Species
Salmon
Line in the log
Pacific Oncorhynchus split

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