Marine ecosystems

a graphical representation of ocean eddies as seen from a satellite

UNSW researchers have solved the mystery of why and how ocean ‘hotspots’ are forming so fast, by examining the winds that influence the ocean currents heating these areas.

adriana verges measuring crawyeed at bondi

Marine ecologists from UNSW Sydney have pieced together the untold history of kelp forest management around the world. The findings will help us understand how we can bring this vital ecosystem back from the brink.

Fish at night

Light pollution is changing the day-night cycle of some fish, dramatically affecting their feeding behaviour, write UNSW's marine scientists.

fish

High concentrations of CO2 in seawater can cause fish to become intoxicated - a phenomena known as hypercapnia. UNSW’s Ben McNeil and Tristan Sasse explain how a rise in our oceans’ CO2 levels could have huge implications for global fisheries and marine ecosystems.

Japanese fish

Human-made debris such as plastic have vastly increased the numbers of marine species crossing the oceans, write Emma Johnston and Jim Carlton.