Executive Summary - Department of Invertebrate Zoology

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Taxonomic Analysi of "-^*erial Isolates . . . . . . 45 etroleum Degrauation Experiments . . . . . . . . . . 46 Continuous Dilutio .. Degradati.on Experiments . . . . . 46 Chitin-Petroleum Degradation Studies . . . . . . . . 47 Pure Culture Growth Experiments . . . . . . . . . . . 48 His topathology . . . . . . . . . . . . . . . . . . . . 49 Preparation of Tissues for Sectioning . . . . . . . . 49 • Sec t ioning . . . . . . . . . . . . . . . . . . . . 49 Staining . . . . . . . . . . . . . . . . . 49 Preparation of Photemicrogranhs . . . . . . . . . . . 5 0 Fish Food Habits . . . . . . . . . . . . . . . . . . . . 50 Lorting . . . . . . . . . . . . . . . . . . . . . . 50 Data Analysis . . . . . . . . . . . . . . ~ . . . . 50 Historical Finfish An^- ;s . . . . . . . . . . . . . . . 51 Trace Metals . . . . . . . . . . . . . . . . . . . . . . 51 Preparation of `' siment . . . . . . . . . . . . . . . 51 Sediment Leachate Preparation . . . . . . . . . . . . 52 Sediment Total Digest Prepar :,tion . . . . . . . . 52 Preparation of Total Digest Solutions • from Benthic Macrofauna, Neuston, and Zooplankton . . . 52 Analysis of the Dilute Acetic Acid Leach .abie Fraction . . . . . . . . . . . . . . . . . . . . . 52 Analysis of Refractory Fraction . . . . . . . . . . . 52 AA Analysis . . . . . . . . . . . . . . . . . , . . . 53 Hyd : ocarbons . . . . . . . . . . . . . . . . . . . . . . . 53 Analysis of Field Samples . . . . . . . . . . . . . . 53 Liquid Chromatography . . . . . . . . . . . . . . . . 53 Gas Chromatography . . . . . . . . . . . . . . . . . 53 Compound Identli :ca,iorn by Gas Chromatography- Mass Spec,- rometry . . . . . . . . . . . . . . . . . 53 Chemistry Quality Control . . . . . . . . . . . . . . . . 55 Trace Me tdls . . . . . . . . . . . . . . . . . . . . 55 Hydrocarbons . , . . . . . . . . . . . . . . . . . . 55 SIGbIFICANT STUDY FLNDINGS . . . . . . . . . . . . . . . . . . . . . 56 . . Conceptual Framework . . . . . . . . . . . . . . . . . . . . . 56 The Pelagic Realm . . . . . . . . . . . . . . . . . . . . 56 The Benthic Realm . . . . . . . . . . . . . . . . . . . . 60 F ind ings . . . . . . . . . . . . . . . . . . . . . . . . 61 The Pelagic K'ealm . . . . . . . . . . . . . . . . . . . . 61 Shelf Hydrography . . . . . . . . . . . . . . . . . 61 ~ Water Maas and Type Analysis . . . . . . . . . . . . 66 Subsurface Zooplankton . . . . . . . . . . . . . . . 66 Neuston . . . . . . . . . . , . . . . . . 72 Dissolved . • and • Particulate Hydrocarbons . . . . . 73 Zooplankton and Hydrocarbons . . . . . . . . . . . . 75 Bacteria . . . . . . . . . . . . . . . . . . . 75 Particulate Trace Metals . . . . . . . . . . . . . 77 Trace Metals In Zooplankton/Neuston . . . . . . . . . 77 The Benthic Realm . . . . . . . . . . . . . . . . . . . . 79 .
. Bottom Sediments . . . . . . . . . . . . . . . . . . 79 Benthic Fauna . . . . . . . . . . . . . . . . 80 Histopathological Studies . . . . . . . . . . . . . . 96 Special Studies . . . . . . . . . . . . . . . . . . . . . 97 Petroleum and Chitin Degradation . . . . . . . . . . 97 Wave Climatology . . . . . . . . . . . . . . . . . . 100 Synthes i s . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Cross-Shelf Patterns in the Pelagic Realm . . . . . . . .105 Cross-Shelf Patterns in the Benthic Realm . . . . . . . . 108 Patterns Related to Local Topography . . . . . . . . . . .111 Biotic Interactions • . . . . . . . . . . . . . . . . . 114 Implications for Resource Managers . . . . . . . . . . . . . . 116 Physical Oceanography . . . . . . . . . . . . . . . . . . 116 Zooplankton/Neuston . . . . . . . . . . . . . . . . . . . 117 Demersal Fishes . . . . . . . . . . . . . . . . . . . . . 117 Ridge and Swale T.opography . . . . . . . . . . . . . . . . 117 Seasonality and Persistence of the Benthos . . . . . . . .122 Recoloc.ization Following Catastrophic Disturbance . . . .122 LITERATURE CITED . . . . . . . . . . . . . . . . . . . . . . . . . . 125 GEOLOGIC STUDIES ECUTIVE SUMMARY REPORT , H . J . Knebel INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130 RELATION TO THE BENCHMARK CONTPACTOR . . . . . . . . . . . . . . . . 132 GEOLOGIC SETTING . . . . . . . . . . . . . . . . . . . . . . . . . . .132 FIELD WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 :.ABORATORY ANALYSES AND PROCErURF.S . . . . . . . . . . . . . . . . . 135 Tripods . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Seston . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Geophysics . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Hyd rocarbons . . . . . . . . . . . . . . . . . . . . . . . . . 140 Geotechnical Properties . . . . . . . . . . . . . . . . . . . . 141 ROLES OF KEY PARTICIPANTS . . . . . . . . . . . . . . . . . . . . .141 ~ SIGNIFICANT FINDINGS AND INTERPRETATIONS . . . . . . . . . . . . . .142 Bottom Currents and Bottom Sediment Mobility . . . . . . . . .142 Seston (Suspended Matter) Distribution in the Water Column . .143 Submersible Observations . . . . . . . . . . . . . . . . . . .145 Medium-Scale Bed Forms . . . . . . . . . . . . . . . . . . . .145
Page 1 and 2: ' /499-3 PBs1-•r4740 Middle Atla
Page 3 and 4: MIDDLE ATLANTIC OUTE=R CONTINENTAL
Page 5 and 6: f PItEF.1CE The final report on con
Page 7 and 8: SUMMAkY TABLE OF CONTENTSI 7JLUME I
Page 9 and 10: MIDDLE ATLANTIC l'j'' 2R CP'4TT"JEN
Page 11: Surface (1m), Thermocline, and Bott
Page 15 and 16: f CHEMICAL A' 7D _H IOLtX:ICAL B F.
Page 17 and 18: the shuli envtror.ment . For enviro
Page 19 and 20: Other new studief-, included zoopla
Page 21 and 22: Table 1 . (Concluded) . ' Principal
Page 23 and 24: Table 2 . Liaison Responsibilit~es
Page 25 and 26: Figure 2 . Stations sampled for mac
Page 27 and 28: 39030, / 74°00' CI • C2 • ^v2
Page 29 and 30: Trans ect 5tations . Transect G ext
Page 31 and 32: and macrobenthos, but demersal fish
Page 33 and 34: logistics team at VIri3 consisting
Page 35 and 36: Table 5 . Samples Archived under Co
Page 37 and 38: e Table 7 . Detailed listing of BLM
Page 39 and 40: 'Table 8 . Summary of samples colle
Page 41 and 42: Table 9 (continueu) Samp les Requir
Page 43 and 44: II . Rcnthic Stations . Benthic sta
Page 45 and 46: Mac a anthcs A 0 .1 m2 Smith-Mclnty
Page 47 and 48: s- Aemersa l f a' -a u ' . :b duri
Page 49 and 50: ~ Bacteria Microlayer . Surfacc mic
Page 51 and 52: three day and three night, were ran
Page 53 and 54: ccllected in a CHC13 cleansed glass
Page 55 and 56: (Burrell et al . 1974) . Where samp
Page 57 and 58: species was determined during the s
Page 59 and 60: water to wet the specimens . Workin
Page 61 and 62: seawater-oil system . Initially, re
Page 63 and 64:
harvested by centrifugation and res
Page 65 and 66:
From these three measurements an in
Page 67 and 68:
AA Analysis . All analyte solutions
Page 69 and 70:
Chemistry Quality Control A i;eimbe
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ATMOSPHERE METEOROLOGY AIR-SEA INTE
Page 73 and 74:
. AIR-SEA INTERACTIONS ATNiOSPHERE
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Studies of b-nt_hic organisms encom
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0 ' o 0 1 ~ ~ I i J ` 2 \\ I / j
Page 79 and 80:
-o c,o o s Ow 1 10 I .s : o : s ! o
Page 81 and 82:
..~ 1 . ~ %10 f t , , ~~- ~f ,! ...
Page 83 and 84:
~ 0 ~. - ----- -- ~ +G C 5` ~ J / ~
Page 85 and 86:
P SAM PLES BLM 01, 04, 05, f18 I Su
Page 87 and 88:
larvae . Fall collections also diff
Page 89 and 90:
dissolved organic carbon concentrat
Page 91 and 92:
and, depending on front location, m
Page 93 and 94:
The Bonthic Realm Bottom Sediments
Page 95 and 96:
7~ 13~ r 39• +!E• JERSf Y > > 1
Page 97 and 98:
Tah1e 12 . AVPraRe t o tal sediment
Page 99 and 100:
sediments and values tended to decr
Page 101 and 102:
Deposit Feeders Deposit Feeders a.
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I , / e e . ~ $ 11 AN e W NEW JERlE
Page 105 and 106:
INNER SHELF i CENTRAL SrIF.LF - I -
Page 107 and 108:
Figure 25 . Top . Station B5, outer
Page 109 and 110:
PPoypordlis sp . piophcnes btynbys
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Many of t ;ie benthic crustacea, es
Page 113 and 114:
1~ Station B3, Sediment Inoculum a
Page 115 and 116:
~ ~. .. ~ ~ .., J S3M - SIXb-X ~ .:
Page 117 and 118:
1 ~ I i I I r~I ~O . ~ ~ . ti r I l
Page 119 and 120:
~ Cross-Shelf Patterns in the Pelag
Page 121 and 122:
the upper slope water thermostad .
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CROSS SHELF PATTERNS IN THE BENTHIC
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There was no evidence that this inc
Page 127 and 128:
distribution of sediments based cn
Page 129 and 130:
MPrlucclus ; j dult/ r Lophius I Me
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matter, both naturally occurring an
Page 133 and 134:
' ~ -- - - - ------ --- _ ( .~~ ~"'
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Table 16 . Common names of fish spe
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73° 10' 730 05' 73° CO' W • ~ ;
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in u_ :ecting these impacts in the
Page 141 and 142:
Grose, P . L . and J . S . Mattson
Page 143 and 144:
Strickland, J . :. . H . and T . R
Page 145 and 146:
To assess these tu%e pf,CenLial haz
Page 147 and 148:
depressions that are 2-18 km wide a
Page 149 and 150:
abundant near the bottom . The well
Page 151 and 152:
41 °I \-on9,._.- . ° v . a0°(' l
Page 153 and 154:
6EI w %0 ~ rtb ~ a H mn. x ~ cH ~ 0
Page 155 and 156:
Soxhlet-extracted for 100 hours wit
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Most cf the observations during the
Page 159 and 160:
Submersible Observations (Chapter 4
Page 161 and 162:
. j siting on the shelf surface, to
Page 163 and 164:
SUMMARY Tn summary, none of the hyd
Page 165 and 166:
Knott, S . T . and Hartley Hoskins
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Executive Summary - Department of Invertebrate Zoology

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