Executive Summary - Department of Invertebrate Zoology

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TABLE OF CONTENTS CHF.MICAL AND BIOLOGICAL BiNCHMARK STUDIES FitECUTIVE :.UAL"tARY REPORT , E . M. Burreson • INTRODUCTION . . . . . . . . . . . • • • • • • • • • • • • • • • • 1 Purpose and Scope of the Study . . . . . . . . . . . . . . . . I Relationship of Study co Other Studies in the Same Area . . . . 5 BLM Personnel . . . . . . . . . . • • • • • • • . . . 10 The Study Area and Study Plan . . . . . . . . . . . • • • • • • 10 1975-1976 Sampling Year . . . . . . . . . . . . • • . . . 10 Rationale for Location of Stations . . . . . . . . . . . . 12 Cluster Stations . . . . . . . • . . • • • • • • • • 12 Transect Stations . . . . . . . . . . . . . • . . • . 15 Continental Slope and Canyon Stations . . . . . .•• 15 Dredge and Trawl Stations . . . . . . . . . . . . . . 15 Water Column Stations . . • . . . . . . . . . . . . . 15 1976-1977 aampling Year . . . . . . . . . . . . . . • . . 16 Benthic Cluster Statlons . . . . . . . . . . . . . . 16 Benthic Transect Stations . . . . . . . . . , . . • . 16 Water Column Stations . . . . . • . . . . . . . . • 16 Habitat Delineatioc. Study . . . . . . . . . . . . . 16 Recolonization Study . . . . . . . . . . . . . . . . . 17 Station Location , . . . . . . . . . . . . . . . . . 17 Cruise Organization . . . . . . . . . . . . . . . . • • • 17 Shipboard Procedures . . . . . . . . . . - . . . . . . . 19 Sample and Ttats Archives-BLM Cruises 01 to 08 (Fall 1975 to Summ:r 1977) . . . . . . • . • . . . . . • • • . . • 19 Tapes and Lo3s . . . . . . . . . . . . . . • . . . . . . . 19 Bottom Photographs . . . . • . . . . . . . . . . • . . 19 Summf.r~ o: Samples Collected . . . . . . . . . . . . . . . 19 METHODS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Sampling MEtho3ology . . . • • . . . . . . . . . . . . 28 Physical Oceanography snd Meteorology . . . . . . . . . . 28 Meteorological Parameters . . . . . . . • . . . . • . 28 Oceanographic ParameterE . . . . . . . . . . . . . . 28 Subsurface Zooplankton . . . • . . . . . . . . • • • • 29 ~ 5urface: Zoopla .ikton (Neuston) . . . . . . • . . . . . . • 3U Sediments • . . . . . . . • • • • • • • • • • • • • . . . 30 Macrobenthos . . . . . . . • . . . . . . . . • • . • . . • 31 ' Megabenthos • . . . . • • • • • • • . . . . . . . • . 31 Habitat Delineation Study . . . • • . . . . • . . . . . • 32 Recolonization Study . . . . . . . . . . • . . . . . . . . 33 Meiobenthos . . . . • • . . . . . . . . . . . . . . . . . 34 Foraminifera . . . . . . . . . . . . . . . . • • . . . . . 34 Bacteria . . . . . . . . . . . . . . . . . . . . . . . . 35 Microlayer . . . . . . . . . . . . . . . . . . . . . 35
Surface (1m), Thermocline, and Bottom Water . . . . . 35 Sediments . . . . . . . . . . . . . . . . . . . . . . 35 Histopathology . . . . . . . . . • • • • • • • • . . 36 Organisms Chosen for Analysis . . . . . . . . . . . . 36 Organs and Tissues Sampled . . . . . . . . . . . . . 36 Fixation . . . . . . . . . . . . . . . . . . . . . . 36 • Community Structure and Food Habits of Fishes . . . . . . 36 Historical Finfish Analysis . . . . . . . • • • • • • • • 37 Chesapeake Bight . . . . . . • • • • • • • • • • • • 37 NMFS . . . . . . . . . . . . . . . . . . . . . . . . 37 Trace Metals . . . . . . . • • • • • • • • • • . • • • • . 38 Zooplankton . . . . . . . • • • • • • • • • • • • • • 38 Neus ton . . . . . . . . . . . . . . . . . . . . . . . 38 Sediment . . . • • • • • • • • • • 38 Epifauna and Infauna (MeEabenthcs) . . . . . . • • • 38 Particulate Matter . . . . . . . • • • • • • • • • • 38 Hydrocarbons . • . . . • • • . . • • • • • • • • • • • • 38 Water Samples . . . . . . . . . . . . . . . . . . . 38 Surface Film Samples . . . . . . • • • • • • • • • • 38 Zooplankton . . . . . . . . . . . . . . . . . . . . . 39 Neus ton . . . . . . . . . . . . . . . . . . . . . . . 39 Sed iment . . . . . . . . . . . . . . . . . . . . . . 39 Benthic Organisms . . . . . . . . . . . . . . . • . • 39 Laboratory Methodology . . . . . . . . • • • • • • • • . . . 39 Physical Oceanography . . . . . . . • • • • • • • • • • 39 Sample Analysis . . . . . . . . . . • • . . . 39 Computation of Parameters . • from Values on ."TD/DO Tapes . . . . . . . . . . . . . . . . . . . . . . . 40 Analysis af XBT Dat i . . . . . . . . • • • . . . . . 40 Zooplankton/NE uston . . . . . . . . . • • • • • • . . . . 40 Biomass t .Pasu* -ments . . . . . . . . . • • • . . . . 40 Sorting t,f rreserved Samples . . . . . • • . • • . . 40 Data Ar.aly-,is . . . . . . . . . . . . . . . . . . . • 41 Sediments . . . . . . . . . . . . . . . . . . . . . . . . 41 Granuleaetry . . . . . . . . • • • • • . . . . 41 Calcu;ations of . • Size Parameters . . . . . . . . . . . 41 Total Organic Carbon . . . . • . • . . . • • . . . . 41 Total Nitrogen . . . . . . . . • • • • • • . . . . . 41 Macrobenthos . . . . . . . . • • • • • • • • • • • • • . . 42 Megabenthos . . . . . • . . • • • • • • • • • • • • • • • 42 , Benthic Data Analysis . . . . . . . • • • • • • • • • . . 43 Data Processing . . . . . . . . • • • • . . . . . . 43 Multivariate Analyses . . . • . . • • • • . • • • • . 43 Species Diversity . . . . . . . • • • • .• • • • . . . 43 ' Meiofauna . . . . . . . . • • • • • • • • • • • • • • . . 43 Sorting . . . . . . . . . . . . . . . , . . . . . . . 43 Data Analysis . . . . . . . . . • . . . . . . . . . . 44 Foraminifera . . . . . . . . • • • • • • . . • . . • . . . 44 Bacteria . . . . . . . . . . . . . . . . . . . . . . . . . 45 Enumeration . . . . . . . . . . • . • • . . . . . . 45 Isolation of Chitinoclastic Bacteria . . . . . . . . 45
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: MIDDLE ATLANTIC l'j'' 2R CP'4TT"JEN
Page 13 and 14: . Bottom Sediments . . . . . . . .
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
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From these three measurements an in
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AA Analysis . All analyte solutions
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Chemistry Quality Control A i;eimbe
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ATMOSPHERE METEOROLOGY AIR-SEA INTE
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. 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
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..~ 1 . ~ %10 f t , , ~~- ~f ,! ...
Page 83 and 84:
~ 0 ~. - ----- -- ~ +G C 5` ~ J / ~
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P SAM PLES BLM 01, 04, 05, f18 I Su
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larvae . Fall collections also diff
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dissolved organic carbon concentrat
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and, depending on front location, m
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The Bonthic Realm Bottom Sediments
Page 95 and 96:
7~ 13~ r 39• +!E• JERSf Y > > 1
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Tah1e 12 . AVPraRe t o tal sediment
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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
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1~ Station B3, Sediment Inoculum a
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~ ~. .. ~ ~ .., J S3M - SIXb-X ~ .:
Page 117 and 118:
1 ~ I i I I r~I ~O . ~ ~ . ti r I l
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~ Cross-Shelf Patterns in the Pelag
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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
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distribution of sediments based cn
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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
Page 137 and 138:
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
Page 157 and 158:
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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