Stopping the spread of marine pests in Victorian waters

While out on a seagrass monitoring boat trip with Parks Victoria on the Pelican1 recently, I caught up with acting Marine Science Program Manager Mark Rodrigue.

Mark talked about the new campaign Check Clean Dry that’s aimed at stopping the spread of marine pests such as North Pacific Seastars (Asterias amurensis), wakame (Undaria pinnatifida), Pacific Oyster (Crassostrea gigas) and some tidal and benthic habitat critters.

The seastars are the most concerning of all, popping up in previously undocumented areas in large numbers around Port Phillip Bay and Westernport near Melbourne, and across into South and East Gippsland at Wilsons Prom and Gippsland Lakes. Here’s a few I removed on a recent dive near my home at Frankston, a spot called Olivers Hill where I’ve previously never seen these seastars in any significant numbers. Recent sea surface temperature warming, a decline in their predators (the eleven armed seastar) or other factors may be at work here.

Mark spoke to Ross and John on local radio station 3AW this morning after some recent sightings of seastars near the mouth of the Maribyrnong River:

https://omny.fm/shows/3aw-breakfast-with-ross-and-john/confirmed-maribyrnong-river-invaded-by-starfish/embed

About oceanicexplorer

https://oceanicexplorer.wordpress.com

Posted on April 2, 2019, in activism, australia, coast, conservation, marine, science, sea life, Victoria. Bookmark the permalink. Leave a comment.

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