Tag Archives: MSY management

Dick Grachek responds to “Cod stocks on south coast of Newfoundland ‘OK but not great’

cod-fish-852From the above linked article posted on Fishery Nation.com: “The spawning stock is now between the ages for four and seven years, which [lead researcher Rick] Rideout called a ‘pretty restricted’ age.” Click here to read the article “Basically, fish are not surviving to those older ages, they’re coming into the stock … but they’re not surviving to older age, and again, that’s a big concern.” Then abandon MSY management! A majority of younger fish comprising the spawning stock is a function of Maximum Sustainable Yield management (MSY). This MSY management balances the numbers of larger spawning fish taken out of a stock against the numbers of individuals of smaller younger fish entering the stock or “recruitment”—guess what, this yields a highly unstable stock of smaller younger fish. Read the rest here 19:47