𝐁𝐚𝐥𝐥𝐚𝐬𝐭 𝐰𝐚𝐭𝐞𝐫 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐢𝐬 𝐫𝐞𝐝𝐮𝐜𝐢𝐧𝐠 𝐭𝐡𝐞 𝐟𝐥𝐨𝐰 𝐨𝐟 𝐢𝐧𝐯𝐚𝐬𝐢𝐯𝐞 𝐬𝐩𝐞𝐜𝐢𝐞𝐬 𝐢𝐧𝐭𝐨 𝐭𝐡𝐞 𝐆𝐫𝐞𝐚𝐭 𝐋𝐚𝐤𝐞𝐬 Freshwater ecosystems are threatened by a host of environmental stressors from human activities. Among the most insidious and impactful of these is invasion by non-native species. Over the past two centuries, established populations of nearly 190 non-native species of invertebrates, fishes, plants and microbes have been discovered in the Great Lakes basin. They were introduced through several sources and pathways including canals, pet release, bait bucket dumping, aquaculture escapes and—most notably—ballast water discharge from transoceanic ships. Readmore; https://phys.org/news/2022-10-ballast-invasive-species-great-lakes.html