All the pressing questions on fish migration
Marine Ecology

All the pressing questions on fish migration

Salmon smolt migrating out of the Vosso water system. Credit: Bjørn Barlaup, NORCE It’s not 20 questions—it’s even more: Now researchers have identified 100 pressing questions on fish migration. An international team of researchers, lead by Robert Lennox at NORCE (Norwegian Research Centre), have developed the list of questions, published in a paper by the…

Plankton are more resilient to nutrient stress than previously thought
Marine Ecology

Plankton are more resilient to nutrient stress than previously thought

Global distribution of surface phosphate measured using high sensitivity techniques revealing regional difference in nutrient availability. Credit: Figure is done by Adam Martiny at UC Irvine and made possible with NSF support from their ’10 Big Ideas’ program. An international team of Earth system scientists and oceanographers has created the first high-resolution global map of…

Hawaii’s Kilauea Volcano Unexpectedly Triggered a Gigantic Phytoplankton Bloom
Marine Ecology

Hawaii’s Kilauea Volcano Unexpectedly Triggered a Gigantic Phytoplankton Bloom

The clearly visible green phytoplankton bloom during the 2018 Kilauea eruption. Image: USGS CoastguardVolcanic eruptions are typically associated with death and destruction, but the recent eruptions on Hawaii’s Big Island resulted in an unexpected biological boom—a gigantic plume of algae extending for hundreds of miles into the Pacific Ocean.From May to August 2018, an ongoing…

Court allows legal challenge against Trans Mountain just as construction resumes on pipeline
Marine Ecology

Court allows legal challenge against Trans Mountain just as construction resumes on pipeline

Federal Court of Appeal Justice David Stratas, in his ruling, said that consultation between the federal government and First Nations must include meaningful, two-way dialogue. Greg Black The federal Court of Appeal has allowed a legal challenge to the Trans Mountain Pipeline expansion project to proceed, just as construction – delayed by earlier court battles…

Marine Ecology

Cone snail’s strike is one of the quickest in the animal kingdom

With the use of ultra-high-speed videography, Ecology and Evolutionary Biology Associate Professor Emanuel Azizi and colleagues from Occidental College Los Angeles have shed light on the hunting mechanism of the cone snail Conus catus. Published online in Current Biology — Cell Press, the researchers identified the snail’s hydraulically propelled feeding structure as the quickest movement…

Protecting the Tasman Bay is crucial for ocean health, says the man taking on a kaitiaki role
Marine Ecology

Protecting the Tasman Bay is crucial for ocean health, says the man taking on a kaitiaki role

Braden FastierThe spotted shag can dive to depths of 40 metres.On a winter’s day last year, Stew Robertson saw a right whale scratching an itch in the shallows of Onetahuti Beach in Abel Tasman National Park. “It looked like a log, being rolled by the waves. But the water was calm, and when I got closer, I saw it was a whale, scratching its back on the sand.”Braden FastierOur ocean’s health hangs in the balance, with over fishing and sediment build…