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Tracking the Town Brook Travelers: River Herring Migration Before and After the Removal of Holmes Dam
River herring are a keystone species in our local riverine and oceanic ecosystems, providing food for predatory fish, whales, dolphins, seals, and waterfowl. Plymouth has been steadily improving the situation for river herring in Town Brook since 2011 with the construction of fish ladders at dams and dam removal projects. Join Marine Resource Specialist Abigail Archer for this presentation about the current research at Town Brook after the removal of Holmes Dam. Abigail’s research is trying to answer the questions, “Do more river herring reach the spawning grounds at Billington Sea now that the Holmes Dam has been removed?” and “Do river herring reach the spawning grounds faster now that the Holmes Dam has been removed?” Researchers are using a tracking technology called passive integrated transponder, or PIT, technology to help answer these questions.
Abigail Archer is a Marine Resource Specialist with Barnstable County, Cape Cod Cooperative Extension, and Woods Hole Sea Grant. This presentation is brought to you by the Town of Plymouth Marine and Environmental Affairs and Wildlands Trust.