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1 Jan 1955 Jahr - Dr. Robert Stewart first to summarize ecological ties between species, food habits, and habitats.

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Dr. Robert Stewart conducted studies in 1950s, published in 1962 about Water foul populations in the upper Chesapeake Bay region.

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wildlife tox timeline

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28 Dez 2021

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1 Jan 1955 Jahr

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~ 70 years ago

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