Development of an Intertidal Upweller Nursery for Shellfish Aquaculture

Project Overview

Project Type: Farmer
Funds awarded in 2004: $5,730.00
Projected End Date: 12/31/2004
Matching Non-Federal Funds: $4,380.00
Region: Northeast
State: Massachusetts
Project Leader:
Bethany Walton
Sunken Treasures Shellfish Company


  • Animals: shellfish


  • Animal Production: housing

    Proposal summary:

    In shellfish aquaculture there is a preference for larger juvenile seed, but larger seed costs more. Some farmers use upwellers—nurseries with a constant flow of water, food, and oxygen—to raise their own smaller, less expensive seed to market size. Unfortunately, upwellers rely on a constant flow of seawater, prohibiting their use in the intertidal zone. This project will design an upweller suitable to intertidal conditions, and then build and test ten of them on Cape Cod Bay. Outreach will be through an extension bulletin that will detail how to build and operate an intertidal upweller, and through presentations at industry-based meetings.

    Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture or SARE.