Hello, we are exploring the possibility of acoustically marking American shad from the Saint Lawrence River with gastric markers. We know of some studies in the United States that have succeded with this method but since the American shad from the Saint Lawrence spawn multiple years before dying, we would need to know if the markers impede the ability to feed of the fish. If any of you know of studies on this subject, I would be very interested in reading the papers.
Thank you for your time and answers.
see the following presentation, https://afs.confex.com/afs/2018/meetingapp.cgi/Paper/33510
Hello and thank you for the answer.
You wouldn't happen to know where I could find the integral presentation by any chance.
I suggest reaching out to the co-authors of this presentation. They work for government agencies and their email's should be public. Good luck
Thank you for your inquiry. I have not followed this literature or studies since my own work with shad in the early 70s so I am afraid I cannot be of assistance. Good luck with your work. I would be very interested in the results of your studies.
Yours truly. Bill Leggett
Hello, Thank you for your reply.
Unfortunately, our project has been delayed because of this pandemic. Research for it is still ongoing, though, and we hope to push forward in the future.
Yours truly. Catherine Van Doorn
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