Table 1
Participating groups in the YOY rockfish survey effort along with median number of outreach events (outreach effort) and number of survey dives conducted by each group. P-values refer to linear regression of cumulative outreach events against annual survey dives in each year of program’s participation.
| GROUP | START YEAR | MEDIAN OUTREACH EVENTS/YEAR | MEDIAN SURVEYS/YEAR | REGRESSION EQUATION | p-VALUE |
|---|---|---|---|---|---|
| Harbor WildWatch (HWW) | 2015 | 2 | 17 | 1.47x+3.55 | 0.25 |
| Emerald Sea Dive Club (ESDC) | 2016 | 2 | 18 | 2.98x–4.09 | 0.04 |
| Pacific Marine Research (PMR) | 2017 | 4 | 9 | 2.09x–6.45 | 0.03 |
| Point Defiance Zoo and Aquarium (PDZA) | 2018 | 1 | 2 | 10.1x–23 | 0.06 |
| NOAA | 2019 | 1 | 2 | 5.33x–6.86 | 0.05 |
Figure 1
Linear regression of cumulative outreach effort (number of outreach events completed by project leads) against survey dives for all participating groups combined. Each point represents a single year of this program from 2015–2021.
Figure 2
Linear regressions of outreach effort against survey dives by group. Each point represents a single year of this program from 2015–2021. Regression equations and p values are reported in Table 1. ESDC: Emerald Sea Dive Club; HWW: Harbor WildWatch; PMR: Pacific Marine Research; NOAA: National Oceanic and Atmospheric Administration; PDZA: Point Defiance Zoo and Aquarium.
Figure 3
Number of survey dives completed by each group over time. ESDC: Emerald Sea Dive Club; HWW: Harbor WildWatch; PMR: Pacific Marine Research; NOAA: National Oceanic and Atmospheric Administration; PDZA: Point Defiance Zoo and Aquarium.
Figure 4
Number of participants that conducted survey dives affiliated with each group over time. Three groups collected no data during their first year and therefore have no data reported for that time. ESDC: Emerald Sea Dive Club; HWW: Harbor WildWatch; PMR: Pacific Marine Research; NOAA: National Oceanic and Atmospheric Administration; PDZA: Point Defiance Zoo and Aquarium.
Figure 5
Shannon-Wiener diversity index for each group over time, where this metric may be used as a proxy for effort spread across participants within each program. ESDC: Emerald Sea Dive Club; HWW: Harbor WildWatch; PMR: Pacific Marine Research; NOAA: National Oceanic and Atmospheric Administration; PDZA: Point Defiance Zoo and Aquarium.
Figure 6
Map of survey effort between 2015 and 2021, where each point represents at least one survey. Pie charts illustrate the change in morphological group abundance coinciding with increased effort. A comparison of encounter rate of elongate bodied young-of-the-year with a dorsal spot in Admiralty Inlet are presented for 2015–2020, all months in 2021 except March (*), and March 2021. Error bars are standard error.