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Fisheries committee Thank you very much.
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee What I would like to add is that it seems to me there should be more involvement from the lobster biologists in DFO. They should come out and say what they know about the biological conservation of stocks—something that didn't happen in Newfoundland and in some other situations—a
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee I'll start right at the beginning. The biology of the lobsters is that they're cold-blooded organisms—poikilotherms—and that they feed and grow based on the temperature they're living in. If the water is warmer, they move around more, they eat more, and so forth. The fishery in
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee Basically, activity doubles for every 10 centigrade degrees, so if the temperature in, say, December is 5° and in St. Marys Bay in the fall it's 15° or higher, then you'll get a doubling of movement and a doubling of catch. Particularly in a situation in which you put a few lobst
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee It's probably 75-25. It's more important to preserve those females and to look after them, really, than to focus on the marketing. The other problem is soft-shell lobster. Number one, they don't taste that good. Number two, they get killed very easily in the traps with other lo
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee Strange things are happening—good old computers.
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee Basically, two considerations went into the original season choices. One was the biology of the lobsters. The idea was to keep as many females protected as possible that were going to be carrying eggs, and to protect soft-shell lobsters. The second consideration was in relation t
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee You have to realize that Maine is a little bit of a special case. What happens in lobster biology is there are what are called “recruitment cells”. The recruitment cells are the current systems that run along the coastline. In the Maine area, the recruitment cell is what I call a
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee Yes, that's the whole reason that seasons were created in the first place. Oceanographic situations in, say, the Gulf of Saint Lawrence are different from what they are in southwest Nova Scotia in St. Marys Bay. The differences drive the life history of the lobster in each of t
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee Ms. Gill, the reproduction of lobster is pretty much dependent on what happens to the females. The females are quite sensitive to factors in the environment and are also slower growing and reproduce less often than most other species. Female lobsters only reproduce every second
December 2nd, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee Okay, we have a problem. I'm not getting the interpretation. How can that be fixed?
November 30th, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee Yes.
November 30th, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee I don't have that on my Zoom screen anywhere.
November 30th, 2020Committee meeting
Dr. Michael Dadswell
Fisheries committee That is correct. Everybody would suffer.
November 30th, 2020Committee meeting
Dr. Michael Dadswell