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Author Topic: Fish Migration Research  (Read 3726 times)

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Fish Migration Research
« on: May 26, 2014, 10:19:31 PM »
Research leads the way on World Fish Migration Day
23 May 2014 - NSW DPI

As global celebrations get underway for World Fish Migration Day on 24 May, the Department of Primary Industries is undertaking research projects to track native fish to provide information on water delivery and ultimately produce more fish.

World Fish Migration Day is a global initiative focused on connecting fish, rivers and people.

Department of Primary Industries (DPI) Freshwater Fish Ecologist, Dr Jason Thiem, who is based at the Narrandera Fisheries Centre said DPI scientists are involved in a range of research projects to monitor native fish species across inland and coastal NSW.

“Research currently underway involves tracking native and exotic fish across the Murray-Darling Basin, in the Dumaresq, Edward-Wakool and Murrumbidgee river systems and in a number of coastal rivers including the Clarence and Shoalhaven rivers,” Dr Thiem said.

NSW DPI research officer at work.

“DPI uses electronic tagging and tracking equipment to study fish movement and migration of fish such as Murray and trout cod, golden and silver perch, Australian bass, freshwater catfish, freshwater mullet and eastern freshwater cod.

“Electronic tags are surgically implanted into these native species and exotic fish such as carp and provide an indication of the locations of tagged fish.

“This enables us to determine the distances the fish travel and the environmental conditions that stimulate long distance migrations.

“The information we collect is used to inform management decisions such as the provision of fishways at existing migration barriers to ensure connectivity in waterways, and the timing and delivery of environmental flows.”

More than 250 global events are being held at part of World Fish Migration Day starting in New Zealand, following the sun and ending as the sun sets in Hawaii.

More than half of the native fish species in Australia need to migrate at least once to be able to complete key stages of their life cycle.
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