Global Warming and Arctic Marine Mammals (GWAMM)

Version 1.0
Steven H Ferguson; Andrew Derocher; Elisabeth Peacock; Jeff W. Higdon; Lena Measures; Magaly Chambellant; Nick Lunn; Tara Bortoluzzi; Trish Kelley, 2012, "Global Warming and Arctic Marine Mammals (GWAMM)", https://hdl.handle.net/10864/10240, Borealis, V1
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Description
The GWAMM project has developed a Community-Based Monitoring (CBM) network within the greater Hudson Bay region. Our goal was to monitor marine ecosystem change using apex predators but also to understand the drivers of change. Results provided policy information required to allow northerners the ability to adapt to the environmental changes. During the Inuit subsistence hunts of 2007, the network relied on Arviat and Sanikiluaq community involvement. In 2008 and 2009, we expanded the network to include the communities of Repulse Bay and Igloolik, respectively. Partnering with northerners provided whale and seal tissue samples from hunts as well as a collection of prey species representing parts of the marine environment. A reference collection of samples from the complete food web was developed and used to build a model of trophic interactions from marine mammals down to nutrients and phytoplankton. GWAMM is also a network project that links to other marine mammal research projects in the region including satellite-telemetry movement studies of polar bears, seals, and whales, and photo-identification of bowhead and killer whales, and use of chemical signals to understand whale and seal diet, and tracking predation effects caused by invasive species such as killer whales. Results indicated that with declining sea ice, the Hudson Bay marine ecosystem is shifting from a polar bear-seal system with Inuit hunters at the apex to one dominated by cetaceans with killer whales at the apex. This shift is eroding Inuit traditional subsistence culture. As a result, our project has the added goal t o provide northerners with information required to adapt to a rapidly changing world where Arctic marine mammal populations are showing demographic strain due to polar warming.
Keyword Aerial surveys, Fatty acids, Climate change, Body condition, Abundance, Biological sciences, Marine mammals, Contaminants, Community-based monitoring
Notes Type: Research Program: Notes: IPY-GWAMM

This metadata record corresponds to an IPY project. Studies completed under this research project are identified as related materials. These studies can also be retrieved using the Polar Data Catalogue.

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