Manchester State Park; Central Puget Sound

photo banner of different intertidal species

Manchester State Park Long-Term trends

Manchester State Park Biodiversity Survey findings

Manchester State Park; Central Puget Sound is located in the Washington Salish Sea. This gently sloping site consists of moderately uneven terrain, containing few cracks and folds.

Manchester State Park; Central Puget Sound is dominated by consolidated bedrock, and the area surrounding the site is comprised of a mixture of consolidated bedrock, boulder fields, and sandy beach. The primary coastal orientation of this site is east.

overview of research site

closeup of research site

Long-Term Monitoring Surveys at Manchester State Park; Central Puget Sound were established in 2014, and are done by University of Washington. Long-Term monitoring surveys currently target the following species: Chthamalus/Balanus (Acorn Barnacles), Fucus (Northern Rockweed), and Pisaster (Ochre Star). In addition, motile invertebrates are monitored at this site. For more information see the Long-Term trends at this site.

Biodiversity Surveys were done in 2024. The Biodiversity Survey grid encompasses one section that is approximately 30 meters (along shore) x 20 meters (seaward). For more information see the Biodiversity Survey findings at this site.

For more information about Manchester State Park; Central Puget Sound, please contact Megan Dethier (mdethier@uw.edu).

Last modified: Sep 18, 2025