MAINSTREET NS | Mar 18, 2014 | 10:43
Minerals preserved in a diamond from Brazil contain evidence that there may be as much water trapped deep inside the Earth as there is in all the oceans. Boris Worm tells us more.
MAINSTREET NS | Mar 4, 2014 | 8:32
According to the National Climatic Data Center in the US, 2013 was the third warmest year since instrumented records began in 1880. Boris Worm tells us what a warming planet means for the oceans.
The productivity of global fish stocks
Global fisheries provide humanity with tremendous food and livelihood, yet the majority of major stocks are in a state of reduced productivity. This is largely due to overfishing, where stocks are driven below the biomass level that provides maximum productivity (i.e. the maximum sustainable yield MSY). However, piecemeal evidence suggests that both environmental change and the biological effects of prolonged overfishing are causing more permanent declines in stock productivity, beyond that which is caused by reduced biomass alone. Using the RAM Legacy Stock Assessment Database, which is the most comprehensive collection of global fisheries time series, I am combining fundamental population models with modern methods of time series analysis to track productivity parameters over time. By first controlling for the effects of reduced biomass, I am looking at how fundamental rates of population growth and recruitment are changing in time and space, and what it means for modern productivity and the rebuilding of overfished stocks.
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Gregory L. Britten - Ph.D. student, Dept. of Biology, Dalhousie University Halifax
Details
Gregory L. Britten - Ph.D. student, Dept. of Biology, Dalhousie University Halifax
Email: greg.britten@dal.ca[/dt_benefit]
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Principal Investigator – Gregory L. Britten (M.Sc. Candidate)
Supervisors - Boris Worm (Professor, Biology, Dalhousie University)
Mike Dowd (Professor, Mathematics and Statistics, Dalhousie University)
[/dt_benefit] [dt_benefit title="PROJECT STATUS" header_size="h4" content_size="normal" target_blank="true" image_link="" hd_image="" image=""]In progress[/dt_benefit] [dt_benefit title="TYPE OF PROJECT" header_size="h4" content_size="normal" target_blank="true" image_link="" hd_image="" image=""]Scientific research[/dt_benefit]
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MAINSTREET NS | Jan 7, 2014 | 10:07
If you think surviving a frosty day on land is tough, Boris Worm says two-degree ocean waters are much more deadly. And marine mammals and fish are uniquely adapted to that environment.
Global marine biodiversity: causes, consequences, conservation
Global marine biodiversity: causes, consequences, conservation Marine biodiversity in space and time My research interests have long focused on the interaction between people and marine biodiversity, at a regional to global scale. I am interested in how patterns of marine biodiversity arise, how hotspots of high species richness are formed and maintained. On the more… DetailsMAINSTREET NS | Dec 24, 2013 | 9:59
Boris Worm tells Stephanie about the three stories he wants people to remember from 2013.
MAINSTREET NS | Dec 17, 2013 | 10:31
Boris Worm tells guest host Jackie Torrens about segments he’s filmed for an online ocean school.
MAINSTREET NS | Sep 17, 2013 | 10:03
Boris Worm talks with Mainstreet’s Stephanie Domet about things that make him feel hopeful about the future of the oceans.
MAINSTREET NS | Jul 9, 2013 | 13:06
Boris Worm talks to Stephanie about what Mylene Paquette is likely to see rowing across the Atlantic, and how her trip would have been different a hundred or five-hundred years ago.