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History Of Freshwater Invasions In Illinois: Learning From The Past To Inform The Future, Abigail Jacobs
History Of Freshwater Invasions In Illinois: Learning From The Past To Inform The Future, Abigail Jacobs
Master's Theses
Rates of introduction and spread of non-native species continue to increase worldwide, with freshwater ecosystems highly impacted. Many non-native species crossed between the Great Lakes and Mississippi watersheds by traveling through waterways in Illinois. I assembled a comprehensive database of occurrences of aquatic non-native species (n=99) in Illinois inland waters. The arrival of non-native species accelerated since 1873. The Great Lakes Basin was the main source of established species into Illinois. From 1990-2012 the dominant vector was unintentional release of established species non-native to North America. Sixty of the 99 introduced species established. Eighteen established species had high or very …