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Department of Fisheries Oceanography Seminar Announcement - Tammy Silva

When: Wednesday, October 13, 2021
2:30 PM - 3:30 PM
Where: > See description for location
Description: The School for Marine Science and Technology
Department of Fisheries Oceanography
Seminar Announcement

"Exploring the use of seabirds as dynamic ocean management tools to mitigate entanglement risk to large whales"

Tammy Silva
Volgenau Fellow
National Marine Sanctuary Foundation

Wednesday, October 13, 2021
2:30 pm to 3:30 pm
SMAST East, Rooms 101/102
Also Via Zoom

Entanglement in fishing gear is a serious conservation concern for large whales. U.S. management actions to reduce entanglement-related serious injury and mortality have been mostly ineffective, resulting in continual negotiations and escalating conflict between stakeholder user groups attempting to balance ecological and economic values. Many management measures have been ineffective partially due to static protection schemes that fail to account for distribution shifts of highly mobile animals and human users that are responding to dynamic ocean conditions. Large whale conservation would benefit from dynamic ocean management, but few tools exist to inform dynamic approaches. Seabirds are documented ecological indicators, are often found foraging in association with whales, and can be tagged at lower cost and in higher numbers than whales. Here, we explore the use of satellite-tagged seabirds (great shearwaters, Ardenna gravis) as dynamic ocean management tools for near real-time identification of habitats where large whales aggregate and may overlap with fisheries. We examine spatial overlap between satellite-tagged great shearwaters, humpback (Megaptera novaeangliae) and North Atlantic right (Eubalaena glacialis) whales over several spatial and temporal scales using multiple datasets. Lastly, we discuss implications and future work that may help operationalize dynamic management to more strategically mitigate entanglement impacts to large whales.
Zoom Link
Meeting ID: 937 5823 0260
Passcode: 426839

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For additional information, please contact Sue Silva at
Contact: > See Description for contact information
Topical Areas: School for Marine Sciences and Technology, SMAST Seminar Series