Image: Reindeer Island

The Copernicus Sentinel-2 mission takes us over part of Lake Winnipeg in the Canadian province of Manitoba, with Reindeer Island visible in the lower-right part of the image.

New tool for the early detection of blue-green algae

Algae and/or cyanobacteria blooms are increasingly invading Quebec's waters, with some 500 bodies of water affected in the past 10 years. Methods for tracking these microorganisms are costly and labour-intensive, but satellite ...

Researchers discover neurotoxin in Lake Winnipeg

A new study from UBC's Okanagan campus has found that BMAA—a toxin linked to several neurodegenerative diseases—is present in high concentrations during cyanobacteria blooms in Lake Winnipeg.

New discovery: Common jellyfish is actually two species

University of Delaware professor Patrick Gaffney and alumnus Keith Bayha, a research associate with the Smithsonian's National Museum of Natural History, have determined that a common sea nettle jellyfish is actually two ...

Farm runoff and the worsening algae plague

Harmful algae blooms have become a top water polluter, fueled by fertilizers washing into lakes, streams and oceans. Federal and state programs have spent billions of dollars on cost-sharing payments to farmers to help prevent ...

Cleaning up aquatic pollution with mussels

Scientists and activists alike have been looking for a solution to the problem of aquatic nutrient pollution. Now one group reports in Environmental Science & Technology that ribbed mussels are up to the clean-up challenge.

Turning jellyfish from a nuisance to useful product

Global climate change and the human impact on marine ecosystems have led to dramatic decreases in the number of fish in the ocean. It has also had an unforseen side effect: because overfishing decreases the numbers of jellyfish ...

page 8 from 23