John A Lewis is the Principal Marine Consultant for ES Link Services, and has over 30 years of applied scientific experience.  His primary research interests are marine bio-fouling and bio-fouling management, as well as the effects that various maritime activities have on the marine environment.  In this show, he discusses several elements of marine pest species and cites a few examples of what we might find in Port Phillip Bay.  John's outstanding level of experience and expertise really shine through in Part 1 of this interview; stay tuned for Part 2, which will be coming along in the not too distant future.  Happy listening!