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<p class="MsoNormal"><a name="_Hlk177140316">Woods Hole Oceanographic Institution<o:p></o:p></a></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316"><b>Biology Department Seminar<o:p></o:p></b></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316">Thursday, October 10, 2024 – 12:00 Noon<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316"><b><o:p> </o:p></b></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316"><b>Isabel Honda<o:p></o:p></b></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316">MIT-WHOI Joint Program Student<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316"><span lang="EN-GB"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316"><b>Modeling <i>Calanus finmarchicus</i> Population Variability on the Northeast U.S. Shelf: An Analysis of Synchrony and Shifting Phenology in a Warming Ocean<o:p></o:p></b></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316">The copepod <i>Calanus finmarchicus</i> plays a critical role in the subarctic food web, particularly in the rapidly warming waters of the Gulf of Maine in the Northeast U.S. Shelf (NES). This presentation
integrates findings from recent statistical modeling studies to shed light on the patterns and mechanisms influencing the population dynamics of this important species. First, spatial analyses of
<i>C. finmarchicus</i> synchrony reveals that populations in the well-connected NES ecosystem are highly variable and predominantly driven by local habitat heterogeneity rather than region-wide environmental conditions. Notably, populations connected via advection
are not necessarily synchronized, highlighting the importance of small-scale environmental factors. Furthermore, analyzing the temporal dynamics of
<i>C. finmarchicus</i> shows how shifting phenological events, particularly the timing of the annual phytoplankton bloom in the Gulf of Maine, impacts population dynamics in the inner basins throughout the year. Early bloom initiation leads to higher spring
abundance, which consequently leads to a decline in fall populations due to density-dependent predation pressure. These findings highlight the complexity of zooplankton population responses to environmental drivers, providing valuable insights to improve projections
for the future of this foundational zooplankton species in the changing North Atlantic shelf ecosystem.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk177140316">HYBRID!<b> In Person</b>:<b>
</b>Redfield Auditorium <b>Zoom:</b> </span><a href="https://whoi-edu.zoom.us/j/97000865816"><span style="mso-bookmark:_Hlk177140316">https://whoi-edu.zoom.us/j/97000865816</span><span style="mso-bookmark:_Hlk177140316"></span></a><span style="mso-bookmark:_Hlk177140316">
Meeting ID: 970 0086 5816 <b>By phone</b>: Find your local number: </span><a href="https://whoi-edu.zoom.us/u/adIvMow3LQ"><span style="mso-bookmark:_Hlk177140316">https://whoi-edu.zoom.us/u/adIvMow3LQ</span><span style="mso-bookmark:_Hlk177140316"></span></a><span style="mso-bookmark:_Hlk177140316">
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<p class="MsoNormal"><span style="font-size:10.5pt">For questions, contact:<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Century Gothic",sans-serif;color:#4472C4">Ana María Vélez</span></b><span style="font-size:10.0pt;font-family:"Century Gothic",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Century Gothic",sans-serif;color:black">Administrative Associate<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Century Gothic",sans-serif;color:black">Ph: (+1)(508)289-2334<o:p></o:p></span></p>
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