Table 12.3 Dry season median light attenuation and DIN values for Yaquina Estuary as 
compared to water quality management targets for other estuaries that are protective of 
eelgrass habitat. 
Location 
kd (m“‘) 
DIN (pM) 
Citation 
Yaquina Estuary, OR 
<0.78 (Zone 1) 
<1.5 (Zone 2) 
14 
This study 
Peconic Bay, NY 2 
<0.75 
1.4 
EEA, Inc. 1999 
Long Island Sound, CT 
<0.7 
2.1 
Holst et al., 2003 
Chesapeake Bay, MD* 3 
<1.5 
10.7 
Batiuk et al., 1992, 2000; 
Wazniak and Hall, 2005 
Chesapeake Bay, MD* 4 
<0.8 
10.7 
Batiuk et al. 1992, 2000; 
Wazniak and Hall, 2005 
1 Based on dry season median values; 2 Based on mean summer values; *Meso and Polyhaline 
portions of the bay during the growth season (April-October); 3 Requirements for restoration 
of seagrass to 1 m MLW depth; 4 Requirements for restoration of seagrass to 2 m MLW depth. 
96 
