Planet Ark

Climate change threatens Australia’s A$2.1 billion (US$1.6 billion) commercial fishing and aquaculture industry, but may create new wild fisheries as tropical marine species move south as sea temperatures rise.

Zebra Mussels, an invasive species to the Great Lakes has helped in clearing up the lakes and improving their appearance. However, this is a dangerous perception because these species draw food sources from other aquatic lives and change ecosystem behaviour.

Biologists are studying chum salmons in the Skagit River to help assist hydroelectric dams serving power to Seattle homes determine when to release water during spawning season.

Thousands of Canadians will be surveyed for their preferences on marine species protection, a program headed by the federal Fisheries Department. This will play a role in the allocation of scarce resources for recovery activities.