Document Type

Article

Publication Date

Summer 7-1-2025

Abstract

Eelgrass is a critical component of our coastal ecosystem, supporting marine biodiversity, improving water quality, and helping to stabilize the shoreline. This planning effort aims to support the long-term health and sustainability of eelgrass habitats in our local waters.

Eelgrass (Zostera marina L.) is a subtidal seagrass found on both the east and west coasts of North America. Over the last 40 years, eelgrass has declined worldwide as a result of increased turbidity, algal blooms, physical disturbances, disease, and a host of other stressors. Specifically, in Massachusetts, the eelgrass population has declined approximately 50% in the last 30 years. Historic levels were also much more plentiful until a “wasting disease” caused a 90% die-off of meadows in the 1930s. The decline has also been observed locally, with a loss of 30% of eelgrass in Nantucket waters between 1995 and 2015 and an estimated 2,000 acres remaining.

Understanding the importance of eelgrass to the local ecosystem, history, and social fabric of Nantucket Island, the Town initiated the development of an Eelgrass Management Plan to gather historic and baseline conditions, document stressors to eelgrass, and identify actions to protect, stabilize, and enhance/restore eelgrass. This plan builds on recommendations from the Shellfish Management Plan, the Nantucket and Madaket Harbors Action Plans, and other eelgrass management plans and projects.

Comments

Free and open access to this Campus Access Thesis is made available to the UMass Boston community by ScholarWorks at UMass Boston. Those not on campus and those without a UMass Boston campus username and password may gain access to this thesis through Interlibrary Loan. If you have a UMass Boston campus username and password and would like to download this work from off-campus, click on the “Off-Campus Users” button.

Community Engaged/Serving

Part of the UMass Boston Community-Engaged Teaching, Research, and Service Series. //scholarworks.umb.edu/engage

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