List of Tables 
Table 1.1 Designated uses and water quality attainments for Yaquina Estuary/River.3 
Table 1.2 Selected water quality criteria for Oregon estuaries.4 
Table 3.1 Comparison of the magnitude of nitrogen sources during wet and dry seasons for 
Yaquina Estuary, Oregon.23 
Table 4.1 Sampling frequency for cruise data collected by U.S. EPA from 1998-2006.28 
Table 4.2 Summary of historic data compiled include source of the data, temporal and spatial 
sampling frequency of the data set and parameters measured.29 
Table 6.1 Comparison of historic and recent NO 3 +NO 2 (pM) concentrations in the Yaquina 
Estuary.45 
Table 6.2 Comparison of historic and recent PO 4 (pM) concentrations in the Yaquina 
Estuary.45 
Table 6.3 Percentiles for DIN (pM) calculated using Yaquina (1998-2006), Classification (2004- 
2005), and NCA Oregon estuaries (1999-2000) data sets.49 
Table 6.4 Percentiles for Po/ (pM) using Yaquina (1998-2006), Classification (2004-2005), 
and NCA Oregon estuaries (1999-2000) data sets. NCA and Classification values are for 
dry season only, while Yaquina include dry and wet season values.49 
Table 7.1 Percentiles for chlorophyll a (pg l' 1 ) calculated using Yaquina (1998-2006), 
Classification (2004-2005), and NCA Oregon estuaries (1999-2000) data sets.52 
Table 8.1 Percentiles for dissolved oxygen (mg T ) calculated Yaquina (1998-2006), 
Classification (2004-2005), and NCA Oregon Estuaries (1999-2000) data sets.59 
Table 9.1 Percentiles for light attenuation coefficient kj (nf') calculated using continuous (1999- 
2003) and cruise (1998-2006) data sets from the Yaquina Estuary for dry and wet 
seasons.64 
Table 9.2 Percentiles for TSS (mg l' 1 ) calculated using Yaquina (1998-2004), Classification 
(2004-2005), and NCA (1999-2000) data sets.64 
Table 10.1 Percentiles for benthic green macroalgae biomass (gdw m ) for Yaquina Estuary 
(1998 - 2004, Zone 1 only) and the Classification data set (2004 - 2005).69 
Table 11.1 Comparison of mean and range of percent of water column surface irradiance needed 
to maintain Z. marina at its colonization depth from published data and from Yaquina 
Estuary data.81 
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