Beach Wrack Map
| Basin | Number of sites | Number of records | First year sampled | Last year sampled | Number of sites per strata | Average wrack cover (%) | Average wrack width(mm) | Average wrack depth(cm) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Natural | Armored | Restored | ||||||||
| Whidbey Basin | 36 | 3988 | 2012 | 2025 | 35 | 30 | 9 | 30.2 | 3.0 | 1.8 |
| San Juan Islands and Georgia Strait Basin | 21 | 1223 | 2012 | 2025 | 20 | 18 | 4 | 55.6 | 1.9 | 2.8 |
| North Central Puget Sound Basin | 2 | 400 | 2015 | 2025 | 1 | 0 | 2 | 24.2 | 1.4 | 1.0 |
| South Puget Sound Basin | 10 | 980 | 2012 | 2025 | 10 | 10 | 3 | 17.0 | 2.1 | 1.0 |
| South Central Puget Sound Basin | 36 | 3892 | 2010 | 2025 | 33 | 31 | 11 | 30.9 | 3.6 | 1.4 |
| Strait of Juan de Fuca Basin | 1 | 300 | 2016 | 2025 | 1 | 0 | 1 | 18.5 | 0.8 | 0.8 |
| Hood Canal Basin | 1 | 180 | 2016 | 2019 | 1 | 0 | 1 | 52.3 | 5.3 | 4.5 |
This is a representation of all Beach Wrack records, after a basic data cleaning process. It includes 99% of the existing data.