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StriperTalk! All things Striper |
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02-19-2019, 04:54 PM
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#1
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User
Join Date: Jun 2012
Location: Cape Cod
Posts: 5,515
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Quote:
Originally Posted by DZ
It's hard to accurately quantify it without making a one on one comparison. For instance license to license. Who potentially kills more bass upon release? A individual gill netter or individual R&R rec fisherman. An individual dragger or R&R rec?
I agree and it stands to reason that numbers on a whole would be higher recreationally but only because there are so many more rec license holders than commercial. MakoMike - can/do regulators incorporate C&R mortality numbers into their biomass assessments and recommended regulations? Was never sure about that?
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From CCT article
“The new data showed that recreational fishermen, who are responsible on average for more than 75 percent of the landings each year, accounted for 90 percent of fish mortality in Massachusetts, including fish released back into the ocean, Armstrong said.
NOAA data showed that in 2006, recreational fishermen took home nearly 2.8 million fish but threw back 23.3 million striped bass. Studies estimate a 9 percent mortality rate for catch-and-release bass. That means more than 2 million dead fish.”
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02-19-2019, 05:15 PM
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#2
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Ledge Runner Baits
Join Date: Oct 2000
Location: I live in a house, but my soul is at sea.
Posts: 8,621
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all well and good having a report, I'm curious how you determine the number of fish that die from being released. I use to do a lot of winter fishing and watched the tagging of winter holdover's in the Thames and if you are basing data on mishandled tagged fish, I'm skeptical. I'm just asking how that data is gathered and obviously what that conclusion is based on.
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02-19-2019, 05:43 PM
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#3
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Registered User
Join Date: Nov 2000
Location: Warwick RI,02889
Posts: 11,786
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BOB >>GS Read my post >>>>>>>>>they can,t 
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ENJOY WHAT YOU HAVE !!!
MIKE
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02-19-2019, 06:33 PM
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#4
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Registered User
Join Date: Jan 2004
Location: South Shore
Posts: 506
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Agree. Guess based on assumptions...
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02-19-2019, 07:58 PM
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#5
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User
Join Date: Jun 2012
Location: Cape Cod
Posts: 5,515
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Fish released at the Race are sitten ducks me thinks.... 
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02-20-2019, 07:44 AM
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#6
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Very Grumpy bay man
Join Date: Nov 2003
Location: Rhode Island
Posts: 10,825
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Bob Dylan said: You don't need a weatherman to know which way the wind blows.
The stocks are down. We all know this. I think the answer is let it take its course and, when there are no more, there will be a moratorium and it won't matter who did the most damage. The fact of the matter is the damage has been/is being done.
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No boat, back in the suds. 
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02-22-2019, 08:43 AM
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#7
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Registered User
Join Date: Oct 2003
Location: Bethany CT
Posts: 2,883
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Quote:
Originally Posted by Got Stripers
I'm just asking how that data is gathered and obviously what that conclusion is based on.
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Studies like this:
https://afspubs.onlinelibrary.wiley....A%3E2.3.CO%3B2
We predicted long‐term (58‐d) hooking mortality of striped bass after catch and release in saltwater using a logistic regression model. Experimental fishing was conducted on fish (27–57 cm) in a 2‐ha saltwater impoundment in Salem, Massachusetts. Depth of hook penetration in the oral cavity, anatomical site of hooking, gear type (treble or single hooks), and angler experience were significantly related to mortality (P < 0.05). The logistic regression model was developed with backwards stepwise selection to predict probability of death from hooking. The final model included depth of hook penetration, gear type, and angler experience as predictor variables. Predicted mortality ranged from 3% under the most favorable conditions to 26% for the worst set of conditions. Predicted as well as observed mortality for the entire experimental group was 9% which is generally much lower than reported in striped bass hooking mortality studies conducted in freshwater. At the end of the experiment, condition factors were significantly lower for surviving hooked fish than for fish that had not been hooked.
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No, no, no. we’re 30… 30, three zero.
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