A new survey has revealed an alarming deterioration in the health of the River Thames ecosystem – but some of the recorded changes may be the result of a cleaner river.
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Articles on Zebra mussels
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Ballast water release from ocean vessels has been a major source of invasive species in the Great Lakes for over 60 years.
Zebra and quagga mussels entered the Great Lakes in large ships’ ballast water. Now, local boaters and anglers are spreading them into the southern and western US.
Rivers are shaped by storms, floods, humans and… aquatic invertebrates.
Developing countries have been slow to react to the alien species problem. Its impact can be massively reduced if policies are developed to deal with the issue.
Top contributors
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Assistant Professor Freshwater Ecology, Invasive Species, Bioeconomics, Loyola University Chicago
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Researcher and core team member Centre for Invasion Biology, Stellenbosch University
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PhD Researcher, River Zoogeomorphology, Loughborough University
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PhD Researcher, Zoogeomorphology, Loughborough University
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Chair, Department of Science, Technology, and Society, Rochester Institute of Technology
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Professor of Biology, Redpath Museum & Bieler School of Environment, McGill University
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PhD Researcher, University of Cambridge
