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High value crops
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Christy, John A.
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Doyle, Erin
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Subject
Endangered species -- Oregon -- Distribution
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PDX Scholar
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1. [Article] Rare, Threatened and Endangered Species of Oregon
Extinction is a natural process. Today, however, plant and animal species are disappearing world-wide at an accelerated pace. Based on current trends, half of the species on earth will be extinct within ...Citation