Figure 11.3 Z. marina depth distribution in the river dominated portion (Zone 2) of 
Yaquina Estuary.74 
Figure 11.4 Comparison of the spatial distribution of Z. marina in a portion of the 
Yaquina Estuary (see inset on Figure 11.1) from 1997, 2000, and 2004.76 
Figure 11.5 Historical distribution (mid 1970’s) of Z. marina from the Oregon Estuary Plan 
Book (Cortright et al., 1987). 77 
Figure 11.6 Relationship between distance from mouth of the estuary and the lower depth 
limit (below Mean Sea Level) for Z. marina .79 
Figure 11.7 Relationship between Z. marina maximum depth limit (m below MSL) and kj .... 81 
Figure 11.8 Temporal relationship of epiphytic biomass per unit leaf area on Z. marina external 
leaves in the Yaquina Estuary, 2000-2003. 83 
Figure 11.9 Epiphyte biomass per unit leaf area on old (external) and young (internal) Z. marina 
leaves by season (wet or dry) and salinity zone in the Yaquina Estuary.83 
Figure 11.10 Linear regression relationship between the percent of light reduction to log(x+l) 
transformed epiphyte biomass per unit Z. marina surface area.84 
Figure 12.1 Observed eelgrass distribution (yellow cross-hatch) and simulated eelgrass (green) 
depth distribution based on the median case.92 
Figure 12.2 Observed eelgrass distribution (yellow cross-hatch) and simulated eelgrass (green) 
depth distribution based on the 25 th percentile case.93 
Figure 12.3 Observed eelgrass distribution (yellow cross-hatch) and simulated eelgrass (green) 
depth distribution based on the 75 th percentile case.94 
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