Andrew J Tanentzap

An adult spiny water flea under the microscope. (NOAA Great Lakes Environmental Research Laboratory)

September 27, 2026

One of Canada’s worst invasive species may have arrived naturally

Andrew J Tanentzap, Trent University; University of Cambridge and Danai Kontou, University of Leeds

Researchers have discovered the spiny water flea may have existed in North America far longer than previously thought.

Ces insectes sont essentiellement de petites machines qui transforment les feuilles riches en carbone en excréments riches en azote. (John Gunn)

August 16, 2022

Des chenilles affamées ont un impact sur la qualité des lacs et les émissions de carbone

John Gunn, Laurentian University; Andrew J Tanentzap, University of Cambridge, and Samuel Woodman, University of Cambridge

Les chenilles envahissantes peuvent avoir des effets remarquables sur la qualité de l’eau et les conditions du sol. Mais d’un point de vue climatique, elles sont plutôt une nuisance.

These insects are basically little machines that convert carbon-rich leaves into nitrogen-rich poo. (John Gunn)

November 16, 2021

Very hungry caterpillars can have large effects on lake quality and carbon emissions

John Gunn, Laurentian University; Andrew J Tanentzap, University of Cambridge, and Samuel Woodman, University of Cambridge

As environmental engineers, invasive caterpillars can have remarkable effects on water quality and soil conditions. But from a climate perspective they’re pretty much a nuisance.

A lake in Banff National Park, Alberta, Canada. Sergey Pesterev/Unsplash

November 19, 2019

Freshwater lakes already emit a quarter of global carbon – and climate change could double that

Andrew J Tanentzap, University of Cambridge

Lakes are the final resting place for many of the Earth’s plants – and these organic graveyards are about to get a whole lot busier.

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One of Canada’s worst invasive species may have arrived naturally

Des chenilles affamées ont un impact sur la qualité des lacs et les émissions de carbone

Very hungry caterpillars can have large effects on lake quality and carbon emissions

Freshwater lakes already emit a quarter of global carbon – and climate change could double that

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