The Wrack

The Wrack is the Wells Reserve blog, our collective logbook on the web.

Posts tagged eDNA

  • Finding Fish with eDNA

    | October 20, 2020 | Filed under: Observations

    eDNA methods and traditional plankton-net surveys are complementary ways to investigate estuarine fish assemblages. Which methods to use depend on what question we ask.

  • Green Crab 2019 Update

    | August 21, 2019 | Filed under: Program Reports

    When green crabs arrived in New England more than 150 years ago, they found an unoccupied ecological niche in Maine’s salt marshes. Despite their long occupancy, great abundance, and serious impacts, there is a lot left to learn about green crabs. The reserve’s latest research has focused on understanding seasonal movements, population structure, sexual maturity, and effects on habitats.

  • Who's Edna? No: What's eDNA?

    | March 2, 2018 | Filed under: Program Reports

    Environmental DNA could dramatically change the way reserve scientists survey streams, rivers, and estuaries for finfish and crustaceans.