Assertion: salmon's condition | /r/CapableOf | boost the number of fish
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text: She went on to report that some biologists of the time were hopeful that improved conditions in spawning areas and at hatcheries would boost the number of fish, but she also noted that “. . .others predict, pointing to other rivers as examples, the gradual disappearance of salmon from the river as civilized man meddles more and more with the natural patterns of fish life.