Sediment Quality in Puget Sound Year 2 - Center for Coastal ...

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samples within several strata there were differences in total abundance up to an order of magnitude of ten. These strata included South Admiralty Inlet (stratum 4), Central Basin (stratum 6), Sinclair Inlet (stratum 19), Elliott Bay (strata 24, 25, 28, and 29), and the Duwamish (stratum 32). In most of these cases, high numbers of a single polychaete species (Aphelochaeta species N 1) accounted for the inflated abundance in one of the samples within the stratum. Major Taxa Abundance Total abundance and percent total abundance of five major taxonomic groups (Annelida, Arthropoda, Echinodermata, Molluscs, and miscellaneous taxa) are shown in Table 22. Results also are compared among stations in stacked histograms (Appendix F). The total abundance of annelids ranged from 2,970 animals (station 203, Duwamish) to 30 animals (station 123, Central Basin). Annelid abundance calculated as the percentage of total abundance ranged from 94% (station 1 15, Shoreline Elliot Bay) to 6% (station 177, Shoreline Elliot Bay). hi 36% of the 100 stations sampled, fifty percent or more of the total benthic infaunal animals were annelids. In 67% of the samples, one-third or more of the animals in the benthic communities were annelids. Total abundance of arthropods ranged from 1,349 animals (station 1 12, South Admiralty Inlet) to 3 (station 160, Sinclair Inlet). Percent total abundance of arthropods ranged from 58% in South Admiralty Inlet (station 1 12) to 1% in Elliott Bay (station 11 5), the Duwamish (station 205), and East Harbor Island (station 202). Arthropods made up 50% or more of the total benthic infaunal assemblage in only 5% of the 100 stations sampled (stations 134 and 12 1, Central Basin; 17 1, Dyes Inlet; 190, Mid Elliott Bay; and 1 12, South Admiralty Inlet), and 33% of the total abundance in only 20% of the samples. Total abundance of molluscs ranged from 822 animals at station 177 (Shoreline Elliott Bay) to 4 at station 142 (Liberty Bay). Percent total abundance of molluscs ranged from 75% (station 155, Rich Passage) to 1% at station 142 (Liberty Bay). Molluscs were numerically dominant (i.e., made up 50% or more of the total assemblage) in 13% of the samples, including those from stations in Port Townsend (1 lo), Port Orchard (157), west of Bainbridge Island (149, 152), Shoreline (1 77) and Mid Elliott Bay (1 86- 188, 193- 194, 196), and Rich Passage (1 54- 155). Thirty-eight percent of the samples had a 33% or greater portion of their infaunal assemblage composed of molluscs. Total abundance of echinoderms ranged from 42 1 at station 108 (South Port Townsend) to 0 at 20 stations, sampled primarily in the central basin (strata 6, 8, and 11) and Elliott Bay (strata 23, 25, and 28-32). These stations also represented the highest and lowest percent total echinoderm abundance, ranging from 60% (South Port Townsend, station 108) to 0% at the suite of 20 stations in the central basin and Elliott Bay. There were no echinoderms in 20% of the samples, and five or fewer individuals in 60% of the samples. Echinoderms made up greater than 50% of the total benthic infaunal assemblage in only 2 of the 100 stations sampled, stations 146 (Keyport) and 108 (South Port Townsend), and 33% of the total abundance in only 5 of the stations (stations 146, 108, and stations 148, 150, and 15 1 (northwest of Bainbridge Island). Page 40
Total abundance of miscellaneous taxa (i.e., Cnidaria, Platyhelminthes, Nemertina, Sipuncula, Phoronidae, Enteropneusta, and Ascidiacea) ranged from 59 organisms at station 1 12 (South Admiralty Inlet)) to none at five stations (station 120, Possession Sound; station 143, Liberty Bay; station 146, Keyport; and stations 115 and 196, Elliott Bay. Percent total abundance of miscellaneous taxa ranged from 6% to 0%. Taxa Richness Taxa richness (total number of recognizable species in each sample, Table 23) ranged from 176 taxa in South Admiralty Inlet (station 112) to 2 1 taxa in Sinclair Inlet (station 160). Stations with highest taxa richness (>lo0 taxa) included stations at Port Townsend (stations 109 and 1 1 I), Rich Passage (station 156), Port Orchard (station 158), and Elliott Bay (stations 174, 175, 183, and 189). Stations with lowest taxa richness (0.800) were calculated from samples collected in Port Townsend (stations 106, 107, and 109); South Admiralty Inlet (station 1 17); Possession Sound (station 1 18), the central basin (stations 122, 135- 13 8), and East Passage (stations 140-141); the waterways west of Bainbridge Island (stations 145, 153, 156, 159); and outer and shoreline Elliott Bay (stations 172, 174, 175, 18 1). Low evenness values (J'
Page 1 and 2:
National Status and Trends Program
Page 3 and 4:
Sediment Quality in Puget Sound Yea
Page 5 and 6:
Human Reporter Gene System (Cytochr
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List of Appendices Appendix A . Det
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Figure 10. Results of 1998 Microtox
Page 11 and 12: Figure 38. Central Puget Sound stat
Page 13 and 14: Table 14. Number of 1998 central Pu
Page 15 and 16: Table 34. Triad results for 1998 ce
Page 17 and 18: Abstract As a component of a three-
Page 19 and 20: tests; and 3% of the area in the cy
Page 21 and 22: Data from this central Puget Sound
Page 23 and 24: Project Background Introduction hi
Page 25 and 26: Considerable research has been cond
Page 27 and 28: toxicants in regions of Puget Sound
Page 29 and 30: This report includes a summary of t
Page 31 and 32: stations within each stratum were c
Page 33 and 34: jugs which had been washed, acid-st
Page 35 and 36: clean, filtered (0.45 um), Port Ara
Page 37 and 38: have been exposed to one or more of
Page 39 and 40: enforcement studies. Seven addition
Page 41 and 42: analyses will be reported elsewhere
Page 43 and 44: 100 samples were compared to the up
Page 45 and 46: Correlations were determined for al
Page 47 and 48: Results A record of all field notes
Page 49 and 50: As a corollary to and verification
Page 51 and 52: to station 15 1, then decreased ste
Page 53 and 54: variance of the other tests with re
Page 55 and 56: espectively, and each station had 1
Page 57 and 58: exceeded state criteria and nationa
Page 59 and 60: assays, enzyme induction was very h
Page 61: Isomers of DDT and most PCB congene
Page 65 and 66: (i.e., increasing toxicity), there
Page 67 and 68: Triad Synthesis: A Comparison of Ch
Page 69 and 70: Stratum 6, in Puget Sound's central
Page 71 and 72: grain size, rather than the toxicit
Page 73 and 74: Eight samples collected along the s
Page 75 and 76: Inlet), 170- 17 1 (Dyes Inlet), 1 1
Page 77 and 78: The results in the amphipod tests p
Page 79 and 80: Human Reporter Gene System (Cytochr
Page 81 and 82: The highest concentrations of mixtu
Page 83 and 84: and Conner, 1980; Gray, 1982: Becke
Page 85 and 86: However, benthic data have been gen
Page 87 and 88: data for benzoic acid, 44 samples h
Page 89 and 90: Literature Cited Adams, D.A., J.S.
Page 91 and 92: California Department of Fish and G
Page 93 and 94: and vicinity. NOAA Tech. Memo. NOS
Page 95 and 96: Strait of Juan De Fuca Figure 1. Ma
Page 97 and 98: Figure 3a. Central Puget Sound samp
Page 99 and 100: Figure 3c. Central Puget Sound samp
Page 101 and 102: Figure 3e. Central Puget Sound samp
Page 103 and 104: I / Amphipod survival 0 not toxic s
Page 105 and 106: Figure 6. Summary of 1998 amphipod
Page 107 and 108: Amphipod survival 0 not toxic 0 sig
Page 109 and 110: Figure 10. Results of 1998 Microtox
Page 111 and 112: Figure 12. Results of 1998 Microtox
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Whidbey Rlsland Figure 14. Results
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Figure 16. Results of 1998 cytochro
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Seattle Figure 18. Results of 1998
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Figure 20. Sampling stations in Por
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1 6 0 Sinclair 1 9 Inlet ]\ 0 No Cr
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0 Rho = 0.928 o p < 0.0001 Sample 1
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0 10000 20000 30000 40000 50000 600
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Rho = -0.584 p < 0.0001 0 20 40 60
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Rho = 0.875 p < 0.0001 0 500 1000 1
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I 0 1 Stations lacking any signific
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0 Stations lacking any significant
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Table 1. Central Puget Sound sampli
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Table 2. Continued. Oxychlordane To
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Table 3. Chemistry Parameters: Labo
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Table 5. Benthic infaunal indices c
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Table 6. Continued. Stratum Locatio
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Table 6. Continued. Stratum Locatio
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Table 7. Continued. 100% pore water
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Table 7. Continued. 100% pore water
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Table 8. Results of MicrotoxTM test
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Table 8. Continued. ~icrotox~~ EC50
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Table 8. Continued. Microtox"" EC50
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Table 10. Spearman-rank correlation
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Table 12. Samples from 1998 central
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Table 13. Samples from 1998 central
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Table 13. Continued. Stratum, Sampl
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Table 14. Number of 1998 central Pu
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Table 14. Continued. - > ERMa > sQs
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Table 14. Continued. > E RM~ - > SQ
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Table 22. Total abundance, major ta
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Table 22. Continued. Annelida Arthr
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Table 22. Continued. Annelida Arthr
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Table 23. Continued. Central Basin
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Table 23. Continued. Stratum Sample
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if; c if; c Page 167
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is-
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Table 35. Distribution of results i
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Table 37. Spatial extent of toxicit
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Table 39. Spatial extent of toxicit
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Appendix A Detected chemicals from
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Appendix A. Continued. SQS Chemical
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Page 206
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Page 2 10
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Page 2 12
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Page 2 14
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Appendix B. Continued. Stratum Samp
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Appendix C. Continued. Tenip- Salin
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Appendix D. Table 1. Continued. % %
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Appendix D. Table 1. Continued. 22
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Appendix D. Table 2. Total organic
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Appendix D. Table 2. Continued. Str
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Appendix D, Figure 1. continued. St
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Appendix D, Figure 1. continued. St
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Appendix E. 1998 Central Puget Soun
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Appendix E. Continued. Phylum Class
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Appendix F Percent taxa abundance f
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Appendix F. Percent taxa abundance
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Page 279
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2 Â¥^ 2 ca so a * .0 cn 00 a 5 I
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Appendix G Infaunal taxa eliminated
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Aooendix R. Infaunal taxa eliminate
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Appendix H Triad data - Results of
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Page 292 nine
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nine OJllIO,) JO % Sl! [L'A!AJIls p
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atuni. Sample, Location umber of ER
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Page 308
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Page 3 10
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Stratum, Sample. Location Number of
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a~i11*31~!~3! [OJ1UO,) JO % Sl! J31
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Page 3 16
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Page 3 18
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Appendix I. Ranges in detected chem
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Appendix I. Continued. 9(H)Carbazol
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Appendix I. Continued. Mercury Nick
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Appendix J SEDQUAL surveys for the
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Appendix J. Continued. Agency Name
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Page 338
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Appendix K. Continued. Chrysene Dib
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