Tag Archives: Jeffrey Hutchings

Canadian Perspective on Atlantic Cod Stocks & Management

CFOODLast week we released a two part feature on the status of Atlantic cod stocks. Click here  Part was a general overview of the status of stocks while Part 2 dove deeper into the reasons behind different statuses.

Jeffrey Hutchings, a fishery scientist at Dalhousie University was inspired to comment on our CFOOD feature below;

Despite voluminous research, science discussions of Atlantic cod can verge on the simplistic. Overfishing and ‘the environment’ unhelpfully portrayed as alternative or additive causes of decline. Temperature presented unequivocally as the driver of recruitment. Variable attention to how differential responses to natural and human-induced environmental stressors can be influenced by basic elements of demography — population size, age structure, natural mortality — especially when these fall outside a population’s norm. The collapse of Northern cod was unprecedented but the low temperatures that cod experienced prior to collapse were not (it has been as cold, or colder, if one’s temporal horizon extends beyond the mid 20th Century for this 500-year-old fishery). Recruitment failure is not affecting the recovery of some depleted stocks, such as Southern Gulf of St. Lawrence cod, but altered predator-prey interactions – predicated by prolonged overfishing – almost certainly are. Not all northeast Atlantic cod are doing well, as the current status of those along the Norwegian coast will attest. Read the rest here 14:07

Northern cod threatened by new fisheries rules – A Department of Fisheries and Oceans plan to increase northern cod quotas could devastate the species.

Governments should be informed by the best available data and evidence. There are societal, environmental, and economic ramifications of not doing so. Despite this, some decision-makers appear to attach little value to scientific advice. Changes to the Fisheries Act in 2012 provide one example. Another was very quietly communicated by the Department of Fisheries and Oceans (DFO) late last week. [email protected] the star.com

Two variations so far – “Canada’s cod, and many other depleted fish, unlikely to recover” and “Study offers bleak outlook for fish recovery”

By Margaret Munro, Postmedia News – Canada’s once bountiful cod stocks are not likely to bounce back, according to an international study on the dangers of overfishing. “Here we are more than 20 years after the cod was effectively depleted, and according to our analysis, the recovery of the cod stocks is highly improbable,” says fisheries scientist Jeffrey Hutchings at Dalhousie University, co-author of the study published in the journal Science on Thursday….at the end of the article: “Ecosystems change,” says Hutchings, noting how seals, herring and mackerel now fill some of the gaps left by Canada’s cod collapse. (which part does he not understand?) contined

Aly Thomson, The Canadian Press HALIFAX – The recovery of overexploited fish populations such as cod has been slower than expected and many depleted stocks may never be able to bounce back, a new study says. continued

It would be great if our Canadian friends would leave comments about this. BH

1 comment

Scientists fear Canada will fish bluefin tuna and other species to extinction

03BlueFinCoronado-BFT1Top marine scientists are denouncing Canada’s management of fish stocks as a commercially driven approach threatening to wipe out species at risk. Read more