Books/Special Volumes

1998

Macko, S.A. and M.H. Engel (1998). Chemical Geology, Isotope Geoscience Section, Special Volume, Variability of isotope compositions in modern and fossil organic matter (accepted).

1997

Macko, S.A. and H.R. Harvey (1997). Organic Geochemistry, Special Volume, Organic geochemistry of paleoclimatic markers (accepted).

1993

Engel, M.H. and S.A. Macko, eds. (1993). Organic Geochemistry. Plenum Publ.,

New York, NY, 861p.

Macko, S.A., M.H. Engel and E.L. Shock (1993). Geochim. Cosmochim. Acta, Special Volume, Survivability of organic matter at high temperatures: implications for life, 57:3217-3358.

1992

Macko, S.A. and M.H. Engel, eds. (1992). Isotope Geoscience, Special Volume,

Isotope fractionations in organic matter: biosynthetic and diagenetic processes, 101:201-324.

Chapters in Books

1997

Zepp, R.G. and S.A. Macko (1997). Polycyclic aromatic compounds in sedimentary records of biomass burning. Clark, J., H. Cachier and J. G. Goldammer (eds.), Sediment Record of Biomass Burning and Global Change. NATO Publ. pp 145-168.

Novakov, T., H. Cachier, A. Gaudichet, P. Masclet, S.A. Macko and D. Lawrence (1997). Characterization of particulate emissions and identification in sedimentary environments. Clark, J., H. Cachier and J. G. Goldammer (eds.), Sediment Record of Biomass Burning and Global Change. NATO Publ. pp 117-144.

Swap R.J., M. Garstang, S.A. Macko, P.D. Tyson and P. Kallberg (1997). Comparisons of biomass burning emissions and biogenic emissions to the tropical South Atlantic. Levine, J.S. (ed.) Biomass Burning and Global Change, MIT Press, Cambridge, MA, pp 396-402.

Turekian, V. C., S.A. Macko, W.P. Gilhooly, D.C. Ballentine, R.J. Swap and M.Garstang (1997). Bulk and compound specific isotopic characterization of the products of biomass burning: laboratory studies. Levine, J.S. (ed.) Biomass Burning and Global Change, MIT Press, Cambridge, MA, pp 422-426.

Ballentine, D.C, S.A. Macko, V.C. Turekian, W.P. Gilhooly and B. Martincigh (1997). Chemical and isotopic characterization of aerosols during sugar cane burning in South Africa. Levine, J.S. (ed.) Biomass Burning and Global Change, MIT Press, Cambridge, MA, pp 460-465.

Gilhooly, W.P., S.A. Macko, V.C. Turekian, R.J. Swap, M. Garstang, and W.F. Ruddiman (1997). Stable carbon isotopic analysis of charcoal from single plant sources. Levine, J.S. (ed.) Biomass Burning and Global Change, MIT Press, Cambridge, MA, pp 466-471.

Macko, S.A., G. Lubec, M.H. Engel and V. Andrusevich (1997) Stable isotope studies of ancient hair. Forschungszentrum Julich, Organic Geochemistry, pp871-872.

Spangenberg, J.E. and S.A. Macko (1997) Compound specific isotope records in the bitumens of Mississippi-type mineralization: a case study at the San Vicente Zn-Pb deposit, Peru. Fluid Evolution, Migration and Interaction in Sedimentary Basins and Orogenic Belts (J.P. Hendry, P.F. Carey, J. Parnell, A.H. Ruffell and R.H. Worden, eds). Queens University, Belfast. pp481-485.

Spangenberg, J.E. and S.A. Macko (1997) Hydrocarbon mixing and abiogenic sulfate reduction in the San Vicente zinc lead district, Peru: Organic and isotopic (C, N, S) evidence. Mineral Deposits: Research and Exploration. Where do They Meet? (H. Papunen, ed). A.A. Balkema Pub. Co., Rotterdam, pp115-118.

Engel, M.H. and S.A. Macko (1997). Stable carbon and nitrogen isotope analyses of amino acid enantiomers by GC/C/IRMS: implications for planetary studies. Forschungszentrum Julich, Organic Geochemistry, pp31-33.

Spangenberg, J.E. and S.A. Macko (1997) Isotopic organic geochemistry of the Mississippi Valley- type Zn-Pb deposit of San Vicente, Peru. Implication for exploration of organic-rich sediment-hosted ore deposits. Forschungszentrum Julich, Organic Geochemistry, pp805- 806.

Macko, S.A. and M.H. Engel (1997). Organic matter in fossils. The Encyclopedia of Geochemistry, (C.P. Marshall, Assoc. ed., R.W. Fairbridge, series ed.), ed., Chapman Hall, N.Y. (in press).

1996

Swap R.J., M. Garstang, S.A. Macko, P.D. Tyson and P. Kallberg (1996). Comparisons of biomass burning emissions and biogenic emissions to the tropical South Atlantic. Levine, J.S. (ed.) Biomass Burning and Global Change , MIT Press, Cambridge, MA, 396-402.

Townsend, M.A., R.O. Sleezer and S.A. Macko (1996). Effects of agricultural practices and stratigraphy on nitrate concentration in ground water in Kansas, USA. Proc. 2nd

International IAWQ Conf. on Diffuse Pollution, IAWQ, Brno, Czech Republic, pp 245-250.

Gilhooly, W.P., S.A. Macko, V.C. Turekian, R.J. Swap, M. Garstang, and W.F. Ruddiman

1995

Hobbie, E.A., S.A. Macko and H.H. Shugart (1995). A stable isotope investigation of nitrogen dynamics at Glacier Bay, Alaska. Proc. 3rd Glacier Bay Symposium, Engstrom, D., ed. U.S. Dept. Interior., Anchorage, AK, pp115-121.

Fryar, A.E., S.A. Macko, K.D. Romanak, P.C. Bennet and W.F. Mullican (1995). Evidence of limited denitrification beneath playas recharging the Ogallala aquifer. Proc. Water for Texas. Texas Water Res. Inst. College Station, TX, pp 443-452.

Fryar, A.E., S.A. Macko, K.D. Romanak, P.C. Bennet and W.F. Mullican (1995). Nitrate loading and denitrification benaeth playas. Charbeneau, R.J., ed., Groundwater Management, American Society of Civil Engineers, NY, pp115-120.

Engel, M.H., Hua. A., Andrusevich, V., Maynard, R. and Macko, S.A. (1995) Kinetic isotope effects during dipeptide cyclization: Stable isotope composition of diketopiperazine, J.O. Grimalt and C. Dorronsoro, eds., Organic Geochemistry: Developments and Applications to Energy,

Climate, Environment and Human History , A.I.G.O.A., Donastia, Spain, pp.43-44.

Uhle, M.E., Macko, S.A., Spero, H.J. and Engel, M.H. (1995). Nutrient cycling in modern planktonic foraminifera as determined by bulk and compound specific stable isotope analyses, J.O. Grimalt and C. Dorronsoro, eds., Organic Geochemistry: Developments and

Applications to Energy, Climate, Environment and Human History , A.I.G.O.A., Donastia, Spain, pp 34-36.

Ballentine, D.C., S.A. Macko, V.C. Turekian, W.P. Gilhooly and B. Martincigh (1995). Characterization of biomass burning products through compound specific isotope analysis.

J.O. Grimalt and C. Dorronsoro, eds., Organic Geochemistry: Developments and Applications to Energy, Climate, Environment and Human History , A.I.G.O.A., Donastia, Spain, pp 644-646.

Popp, B.N., R.R. Bidigare, E.O. Laws, P. Parekh, F. Kenig, S.G. Wakeham, B. Tilbrook, S.A. Macko and M.C. Kennicutt (1995). Dependence of carbon isotopic composition on growth rate and [CO₂]aq in Equatorial and Antarctic phytoplankton. J.O. Grimalt and C. Dorronsoro, eds., Organic Geochemistry: Developments and Applications to Energy, Climate, Environment and Human History , A.I.G.O.A., Donastia, Spain, pp 1158-1160.

Harvey, H.R., J.H. Tuttle and S.A. Macko (1995). Phytoplankton decomposition during sedimentation: molecular composition and isotopic integrity under oxic and anoxic conditions. J.O. Grimalt and C. Dorronsoro, eds., Organic Geochemistry: Developments and Applications to Energy, Climate, Environment and Human History , A.I.G.O.A., Donastia, Spain, pp1140- 1142.

1994

Macko, S.A. and N.E. Ostrom (1994). Pollution studies using stable isotopes. Stable Isotopes in

Ecology, Lajtha, K. and R. Michener, eds. Blackwell Scientific Pub., Oxford, UK, pp 45-62.

Macko, S.A. (1994). Compound specific approaches using stable isotopes. Stable Isotopes in Ecology, Lajtha, K. and R. Michener, eds. Blackwell Scientific Pub., Oxford, UK, pp 241-247.

Townsend, M.A., D.P. Young and S. Macko (1994). Migration of nitrate through the unsaturated

zone in south-central Kansas. Agricultural Research to Protect Water Quality, Soil and Water Conservation Society, Ankeny, Iowa, pp 589-591.

1993

Engel, M.H. and S.A. Macko (1993). The organic geochemistry of carbonaceous meteorites: amino acids and stable isotopes. Engel, M.H. and S.A. Macko, eds. Organic Geochemistry. Plenum Publ., New York, NY, pp 685-698.

Macko, S.A. and M.H. Engel (1993). Early diagenesis of organic matter in sediments-Assessment of mechanisms and preservation by the use of isotope molecular approaches. Engel, M.H. and S.A. Macko, eds. Organic Geochemistry. Plenum Publ., New York, NY, pp 211-224.

1992

Ostrom, N.E. and S.A. Macko (1992). Sources, cycling and distribution of water column particulate and sedimentary organic matter in northern Newfoundland fjords and bays. In: Organic matter: productivity, accumulation and preservation in Recent and Ancient sediments. Whelan, J.K. and J.W. Farrington, eds. Columbia Univ. Press, pp 55-81.

Kennicutt, M.C., S.A. Macko, H.R. Harvey and R.R. Bidigare (1992). Preservation of sargassum under anoxic conditions: molecular and isotopic evidence. Organic matter: productivity, accumulation and preservation in Recent and Ancient sediments. Whelan, J.K. and J.W.

Farrington, eds. Columbia Univ. Press, pp 123-141.

Macko, S.A. (1992). The characterization of organic matter in abyssal sediments, pore waters and sediment traps. Deep-Sea Food Chains and the Global Carbon Cycle. Rowe, G. and V. Pariente, eds. Kluwer Academ. Pub., Boston. pp 325-338.

1987

Fry, B., S.A. Macko and J.C. Zieman (1987). Review of stable isotopic investigations of foodwebs in seagrass meadows. Subtropical-tropical seagrasses in the southeastern United States, M.J. Durako, R.C. Phillips and R.R. Lewis (eds.) Fla. DNR, pp 189-209.

1985

Sigleo, A.C. and S.A. Macko (1985). Stable isotope and amino acid composition of estuarine dissolved colloidal material. Marine and Estuarine Geochemistry, pp 29-46, Lewis Pub.

Chelsea, Mich.

Reviewed Manuscripts

1998

Qian, Y., Engel, M.H. and Macko, S.A. (1998). Kinetic fractionation of stable C and N isotopes during condensation reactions of biomonomers: the influence of minerals. Chemical Geology (Isotope Geoscience Section). in press.

Turekian, V. C., S.A. Macko, D.C. Ballentine, and M.Garstang (1998). Causes of bulk carbon and nitrogen isotopic fractionations in the products of vegetation burn: laboratory studies. Chemical Geology (Isotope Geoscience section). in press.

Macko, S.A., M. Ryan and M.H. Engel (1998). Stable isotopic analysis of individual carbohydrates by GC/C/IRMS. Org. Geochem. in press.

Ballentine, D.C., S.A. Macko and V.C. Turekian (1998). Variability of stable carbon isotope compositions in individual fatty acids from combustion of C3 and C4 plants. Chemical Geology (Isotope Geoscience Section). in press.

Walker, J.L., S.A. Macko and C.W. Potter (1998). Stable isotopes correlate the diets of modern and historic bottlenose dolphin populations. Mar. Mammal Res. in press.

Walker, J.L. and S.A. Macko (1998). The correlation of diets of marine mammals with stable isotopic analyses of teeth. Mar. Mammal Res. in press.

Hobbie, E.A., S.A. Macko and H.H. Shugart (1998). Patterns of nitrogen dynamics and nitrogen isotopes during primary succession in Glacier Bay, Alaska. Chemical Geology (Isotope Geoscience section). in press.

Spangenberg, J. and S.A. Macko (1998). Organic Geochemistry of the San Vicente zinc-lead district, eastern Pucara Basin, Peru. Chemical Geology: in press

Garman, G.C. and S.A. Macko (1998). The role of anadromous clupeid fish as vectors of marine-derived organic matter within Atlantic coastal landscapes. Jour. North Amer. Bentholog. Assoc.:in press.

Russell, K.M., J.N. Galloway, S.A. Macko, J.L.Moody and J.R. Scudlark (1998). Sources of nitrogen in wet deposition to the Chesapeake Bay region. Atmosph. Environ.

1997

Engel, M.H. and S.A. Macko (1997) Isotopic evidence for extraterrestrial nonracemic amino acids in the Murchison meteorite. Nature 389:265-268.

Engel, M.H. and S.A. Macko (1997) Stable isotope analysis of amino acid enantiomers in the Murchison meteorite at natural abundance levels. SPIE:3111:83-85.

Macko, S.A., M.E. Uhle, M.H. Engel and V. Andrusevich (1997) Stable nitrogen isotope analysis of amino acid enantiomers by gas chromatography/combustion/isotope ratio mass spectrometry. Analytical Chemistry 69:926-929.

Harvey, H.R and S.A. Macko (1997) Catalysts of contributors? Tracking bacterial mediation of early diagenesis in the marine water column. Organic Geochemistry 26:531-544.

Lichtfouse, E., G. Bardoux, A. Mariotti, J. Balesdent, D. Ballentine and S.A. Macko (1997) Molecular, ¹³C, ¹⁴C evidence for the allochthonous and ancient origin of C₁₆-C₁₈ n-alkanes in modern soils. Geochim. Cosmochim. Acta 61:1891-1898.

Ostrom, N.E., S.A. Macko, D. Deibel and R.J. Thompson (1997) Seasonal variation in the stable carbon and nitrogen isotope biogeochemistry of a coastal cold ocean environment. Geochim. Cosmochim. Acta 61:2929-2942.

Lee, W.Y., S.A. Macko and J.M. Lacson (1997). Dynamics of elemental and biochemical components during the early life stages of red drum, Sciaenops ocellatus (Pisces: Sciaenidae). Mar. Biol. in press.

Smith, C.R., H.L. Maybaum, A.R. Baco, R.H. Pope, S.D. Carpenter, P.L.Yager, S.A. Macko and J.W. Deming (1997) Sediment community structure around a whale skeleton in the deep northwest Pacific: macrofaunal, microbial and bioturbation effects. Deep-Sea Research: in press.

Harvey, H.R and S.A. Macko (1997) Kinetics of phytoplankton decay during simulated sedimentation: changes in lipids under oxic and anoxic conditions. Organic Geochemistry: in press.

Uhle, M.E., S.A. Macko, H.J. Spero, M.H. Engel and D.W. Lea (1997) Sources of carbon and nitrogen in modern planktonic foraminifera: the role of algal symbionts as determined by bulk and compound specific stable isotopic analysis. Organic Geochemistry: in press.

Trimble, C.C. and S.A.Macko (1997). Stable isotope analysis: a tool for cave archeology. Nat. Spel. Soc. Jour. in press.

Deming, J.W., A.L. Reysenbach, S.A. Macko and C.R. Smith (1997). Evidence for the microbial basis of a chemoautotrophic invertebrate community at a whale fall on the deep seafloor: bone-colonizing bacteria and invertebrate endosymbionts. Jour. Microscopy Res. Tech., in press.

1996

Townsend, M.A., R.O. Sleezer and S.A. Macko (1996). Effects of agricultural practices and vadose zone stratigraphy on nitrate concentration in ground water in Kansas, USA. Water Science Tech. 33: 219-226.

Swap, R.J., M. Garstang, S.A. Macko, P. D. Tyson, W. Maenhaut, P. Artaxo, P. Kallberg and R. Talbot (1996). The long-range transport of Southern African aerosols to the tropical South Atlantic, JGR (SAFARI special issue). 101:23,777-23,792.

Ballentine, D.C., S.A. Macko, V.C. Turekian, W.P. Gilhooly and B. Martincigh (1996). Compound specific isotope analysis of fatty acids and polycyclic aromatic hydrocarbons in aerosols: implications for biomass burning. Organic Geochemistry. 25:97-104.

Qian, Y., M.C. Kennicutt, J. Svalberg, S.A. Macko, R.R. Bidigare and J. Walker (1996). Particulate organic matter (POM) in Gulf of Mexico Estuaries: Compound specific isotope analysis and plant pigment compositions. Organic Geochemistry 24:875-888.

1995

Qian, Y., M.H. Engel, G.A. Goodfriend and S.A. Macko (1995). Abundance and stable carbon isotope composition of amino acids in molecular weight fractions of fossil and artificially aged mollusk shells. Geochim. Cosmochim. Acta 59:1113-1124.

Muzuka, A. and, S.A. Macko (1995). Late Pliocene to Early Pleistocene productivity in the Arabian Sea. African Jour. Sci. 20:245-252.

Gearing, J.N., N. Silverberg, J.C. Therriault, S.A. Macko and P.J. Gearing (1995). The influence of phytoplankton composition on stable isotope ratios of suspended particles in the Lower St. Lawrence Estuary. Estuar. Coast. Shelf Sci.

Laws, E.A., B.N. Popp, R.R. Bidigare, M.C. Kennicutt and S.A. Macko (1995). Dependence of phytoplankton carbon isotopic composition on growth rate and [CO₂]_aq: Theoretical considerations and experimental results. Geochim. Cosmochim. Acta 59:1131-1138.

1994

Engel, M.H., G.A. Goodfriend, Y. Qian and S.A. Macko (1994). Indigeneity of organic matter in

fossils: A test using stable isotope analysis of amino acid enantiomers in Quaternary mollusk

shells. Proc. Nat. Acad. Sci. 91:10475-10478.

Silfer, J.A., Y. Qian, S.A. Macko and M.H. Engel (1994). Stable carbon isotope compositions of individual amino acid enantiomers by GC/C/IRMS. Org. Geochem. 21:603-609.

Engel, M.H., S.A. Macko, Y. Qian and J.A. Silfer (1994). Stable isotope analysis at the

molecular level: a new approach for determining the origins of amino acids in the

Murchison meteorite. Advances in Space Research 15:99-106.

Macko, S.A., M.H. Engel and Y. Qian (1994). Early diagenesis and organic matter preservation- a molecular stable carbon isotope perspective. Chem. Geol. 114:365-379.

Fisher, C.R., J.J. Childress, S.A. Macko and J.M. Brooks (1994). Nutritional interactions in the Galapagos Rift hydrothermal vent communities: Inferences from stable carbon and nitrogen isotope analyses. Mar. Ecol. Prog. Series. 103:45-55.

1993

Shemesh, A., S.A. Macko, C.D. Charles, and G.H. Rau (1993). Isotopic evidence for reduced productivity in the glacial Southern Ocean. Science 262:407-410.

Mayer, L.M., P.A. Jumars, G.L. Taghon, S.A. Macko and S. Trumbore (1993). Low density

particles as potential nitrogenous foods for benthos. J. Mar. Res. 51:373-389.

Qian, Y., M.H. Engel, S.A. Macko, S. Carpenter and J. Deming (1993). Kinetics of peptide hydrolysis and amino acid decomposition at high temperature. Geochim. Cosmochim.

Acta 57:3281-3293.

Wallace, L.L. and S.A. Macko (1993). Nutrient acquisition by clipped plants as a measure of

competitive success: The effects of compensation. Func. Ecol. 7:326-331.

Sherwood-Lollar, B., S.K. Frape, P. Fritz, S.A. Macko, J.A. Welhan, R. Blomqvist and P.W.Lahermo (1993). Origins of methane in the crystalline environment- I. Gases of the Canadian and Fennoscendian shields. Geochim. Cosmochim. Acta. 57:5073-5085.

Sherwood-Lollar, B., S.K. Frape, S.M. Weise, P. Fritz and S.A. Macko (1993). Origins of methane in the crystalline environment- II. The role of abiogenic methanogenesis. Geochim. Cosmochim. Acta. 57:5087-5097.

Ostrom, P., J. Lien and S.A. Macko (1993). Evaluation of the feeding of Sowerby's beaked whale, Mesoplodon bidens, based on isotopic comparisons among northwestern Atlantic cetaceans. Can. J. Zool. 71:858-861.

Bidigare, R.R., M.C. Kennicutt, R. Iturriaga, R. Harvey, R. Hoham, S.A. Macko (1993). A photoprotective function for secondary carotenoids in snow algae. J. Phycol. 29:422-434.

Ostrom, P.H., S.A. Macko, M.H. Engel and D. Russell (1993). An assessment of trophic structure in fossil communities based on stable isotopes. Geology, 21:491-494.

Lilley, M.D., D.A. Butterfield, E.J. Olson, J.E. Lupton, S.A. Macko and R.E. McDuff (1993).

Anomalous CH₄ and NH₄⁺ concentrations at an unsedimented mid-ocean-ridge hydrothermal

system. Nature 364:45-48.

1992

Silfer, J. A., M.H. Engel and S.A. Macko (1992). Kinetic fractionation of stable carbon and nitrogen isotopes during peptide bond hydrolysis: experimental evidence and geochemical implications. Isotope Geoscience 15:211-222.

Qian, Y., M.H. Engel and S.A. Macko (1992). Stable isotope fractionation biomonomers during protokerogen formation. Isotope Geoscience 101:201-210.

Kennicutt, M.C., R.R. Bidigare, S.A. Macko and W.L. Kenney-Kennicutt (1992). The stable isotopic composition of photosynthetic pigments and related biochemicals. Isotope Geoscience 15:235-246.

Imbus, S., S.A. Macko, M.H. Engel and D. Elmore (1992). Stable isotope and molecular studies on the Precambrian Nonesuch shale: evidence for differential preservation rates, depositional environment and hydrothermal influence. Isotope Geoscience 15:255-282.

Kennicutt, M.C., R.A. Burke, I.R. MacDonald, J.M. Brooks, G.J. Denoux and S.A. Macko (1992). Stable isotope partitioning in seep and vent organisms: chemical and ecological significance. Isotope Geoscience 15:293-310.

1991

Bidigare, R.R., M.C.Kennicutt, W.L.Keeney-Kennicutt and S.A.Macko (1991). Isolation and purification of chlorophylls a and b for the determination of stable carbon and nitrogen isotope compositions. Anal. Chem. 63:130-133.

Silfer, J.A., M.H.Engel, S.A.Macko and E.J.Jumeau (1991). Stable carbon isotope analysis of amino acid enantiomers by conventional isotope ratio mass spectrometry and combined gas chromatography- isotope ratio mass spectrometry. Anal. Chem. 63:370-374.

Macko, S.A. and C.P.G. Pereira (1991). Late Tertiary climate development of the Weddell Sea Region, Antarctica, based on stable isotope organic geochemistry and clay mineralogy. Manning, D.A.C., ed. Organic Geochemistry, Advances and Applications in the Natural environment. Manchester University Press, New York. pp 373-375.

Engel, M.H., S.A.Macko and J.A.Silfer (1991). The d ¹³C analysis of individual amino acid enantiomers by gas chromatography/ isotope ratio mass spectrometry. Manning, D.A.C., ed. Organic Geochemistry, Advances and Applications in the Natural Environment. Manchester University Press, New York. pp 623-625.

Engel, M.H., S.A. Macko and D. Leythaeuser (1991). The potential application of stable isotopes for distinguishing indigenous versus migrated hydrocarbons in a mature shale/sandstone sequence. Chem. Geol. 93:47-59.

Macko, S.A. and M.H. Engel (1991). Assessment of indigeneity in fossil organic matter: amino acids and stable isotopes. Phil. Trans. Royal Soc. Lond. B 333:367-374.

Muzuka, A. N. N., S. A. Macko and T. F. Pedersen (1991). Stable carbon and nitrogen isotope compositions of organic matter from ODP Sites 724 and 725, Oman Margin. Prell, W. L., Niitsuma, N. et al., Init. Rept. ODP Leg 117, Part B:571-586.

Silfer, J.A., S.A. Macko, Y. Qian and M.H.Engel (1991). Carbon and nitrogen isotope

fractionation during early diagenesis of organic matter: evidence from laboratory

simulations and recent sediments. Manning, D.A.C., ed. Organic Geochemistry, Advances and Applications in the Natural Environment. Manchester Univ. Press, New York. pp 259- 261.

Macko, S.A., M.H. Engel, G. Hartley, P. Hatcher, R. Helleur, P. Jackman and J. Silfer (1991). Isotopic compositions of individual carbohydrates as indicators of early diagenesis of organic matter. Chem. Geol. 93:147-161.

Ostrom, N. E. and S.A. Macko (1991). Late Wisconsinan to present sedimentation of organic matter off northern Newfoundland in response to climatological events. Cont. Shelf Res. 11:1285- 1296.

Rowe, G., M. Sibuet, J. Deming, A. Kripounoff, J. Tietjen, S. Macko, and R. Theroux (1991). "Total" sediment biomass and preliminary estimates of organic carbon residence time in deep- sea benthos. Mar. Ecol. Prog. Series 79:99-114.

1990

Macko, S.A., R. Helleur, G. Hartley and P. Jackman (1990). Diagenesis of organic matter - a study using stable isotopes of individual carbohydrates. Org. Geochem. 16:1129-1137.

Harrigan-Ostrom, P., S. A. Macko, M. H. Engel, J. A. Silfer and D. Russell (1990). Geochemical characterization of high molecular weight material isolated from Late Cretaceous fossils. Org. Geochem. 16:1139-1144.

Cairns, D.K., W.A. Montevecchi, V.L. Birt-Friesen and S.A. Macko (1990). Energy expenditures, activity budgets and prey harvest of breeding common murres. Studies in Avian Biol. 14:84- 92.

Engel, M.H., S.A.Macko and J.A.Silfer (1990). Carbon isotope composition of individual amino acids in the Murchison meteorite. Nature 348:47-49.

Macko, S.A. and C.P.G. Pereira (1990). Neogene paleoclimate development of the Antarctic Weddell Sea Region: organic geochemistry. Barker, P.F., Kennett, J. P. et al. Init. Rept. ODP Leg 113, Part B:881-897.

1989

Birt, V.L., W.A. Montevecchi, D.K. Cairns and S.A. Macko (1989). Activity specific metabolic rates of free-living northern gannets Sula bassanus and other seabirds. Ecology 70:357-367.

Kennicutt, M.C., J.M. Brooks, R.R. Bidigare, S.J. McDonald, D.L. Adkison and S.A. Macko (1989). An upper slope "cold" seep community: Northern California. Limnol. Oceanogr.

34:635-639.

Hillaire-Marcel, C., A. de Vernal, S.A. Macko and A.E. Aksu (1989). High resolution isotopic and micropaleontological studies of upper Pleistocene sediments at ODP Site 645, Baffin Bay. Arthur, M., Srivastava, S., et al. Init. Rept. ODP Leg 105, Part B:599-616.

Biggs, D.C., S.P. Berkowitz, M.A. Altabet, R.R. Bidigare, D.J. DeMaster, S.A. Macko, M.E. Ondrusek and I. Noh (1989). A cooperative study of upper ocean particulate fluxes. Larren, B., Barron, J. et al., Init. Rept. ODP Leg 119, Part A:109-119.

Weaver, F.J., C. Walters and S.A. Macko (1989). Geochemical assessment of natural seep oils from Parsons Pond, Western Newfoundland. Preprints Petrol. Division. ACS 34:133-137.

Macko, S.A. (1989). Stable isotope organic geochemistry of sediments from the Labrador Sea (Sites 646, 647) and Baffin Bay (Site 645) ODP Leg 105. Arthur, M., Srivastava, S., et al. Init. Rept. ODP Leg 105, Part B:209-232.

Weaver, F.J. and S.A. Macko (1989). Source rocks of western Newfoundland. Org. Geochem. 13:411-421.

Serban, A., M.H. Engel and S.A. Macko (1989). The distribution, stereochemistry and stable isotopic composition of amino acid constituents of fossil and modern mollusk shells. Org. Geochem. 13:1123-1129.

Macko, S.A., D.J. Curry, T.K. Bloys and J.W. Kiceniuk (1989). Variations in geochemical character of asphaltenes from a source rock in contact with an oil reservoir. Org. Geochem. 13:273-281.

Harrigan, P., J.C. Zieman and S.A. Macko (1989). The base of nutritional support for the gray snapper (Lutjanus griseus): an evaluation based on a combined stomach content and stable isotope analysis. Bull. Mar. Science 44:65-77.

Tietjen, J., J.W. Deming, G.T. Rowe, S.A. Macko, A. Khripounoff and R.J. Wilke (1989). Meiobenthos of the Puerto Rico Trench and Hatteras Abyssal Plain: abundance, biomass and associations with bacteria and particulate fluxes. Deep-Sea Res. 36:1567-1577.

Sherwood, B., P. Fritz, S.K. Frape, S.A. Macko, S.M. Weise and J.A. Welhan (1989). Methane occurrences in the Canadian Shield. Chem. Geol. 71:223-236.

Silfer, J.A., M.H. Engel and S.A. Macko (1989). The effect of hydrothermal processes on the distribution and stereochemistry of amino acids in recent Antarctic sediments. Applied Geochemistry 5:159-167.

Pomeroy, L. R., S. A. Macko, P. Harrigan, J. Dunphy (1989). The microbial food web in Arctic seawater: Concentration of dissolved free amino acids, bacterial abundance and activity in the Arctic Ocean and in Resolute Passage. Mar. Ecol. Prog. Series 61:31-40.

1988

Biggs, D.C., S.P. Berkowitz, M.A. Altabet, R.R. Bidigare, D.J. DeMaster, R.B. Dunbar, A. Leventer, S.A. Macko, C.A.Nittrouer and M.E. Ondrusek (1988). A cooperative study of upper ocean particulate fluxes in the Weddell Sea. Barker, P. F., Kennett, J. P. et al., Init. Rept.

ODP Leg 113, Part A:77-85.

Fisher, C.R., J.J. Childress, A.J. Arp. J.M. Brooks, D.L. Distel, J.A. Dugan, H. Felbeck, L.U. Fritz, R.R. Hessler, K.S. Johnson, M.C. Kennicutt, R.A. Lutz, S.A. Macko, A. Newton, M.A. Powell, G.N. Somero and T. Soto (1988). Variation in the hydrothermal vent clam, Calyptogena

magnifica, at the Rose Garden vent on the Galepagos spreading center. Deep Sea Res.

35:1811-1831.

Fisher, C.R., J.J. Childress, A.J. Arp, J.M. Brooks, D. Distel, J.A. Favuzzi, S.A. Macko, A. Newton, M.A. Powell, G.N. Somero and T. Soto (1988). Physiology, morphology and composition of Riftia pachyptila at Rose Garden in 1985. Deep Sea Res. 35:1745-1758.

Fisher, C.R., J.J. Childress, A.J. Arp, J.M. Brooks, D. Distel, J.A. Favuzzi, H. Felbeck, R. Hessler, K.S. Johnson, M.C. Kennicutt, S.A. Macko, A. Newton, M.A. Powell, G.N. Somero and T. Soto (1988). Microhabitat variation in the hydrothermal-vent mussel, Bathymodiolus thermophilus, at the Rose Garden vent on the Galapagos Rift. Deep Sea Res. 35:1769-1791.

Mayer, L.M., S.A.Macko and L. Cammen (1988). Provenance, concentrations and nature of

sedimentary organic nitrogen in the Gulf of Maine. Marine Chemistry 25:291-304.

Aksu, A.E., P.J. Mudie, S.A. Macko and A. deVernal (1988). Upper Cenozoic history of the Labrador Sea, Baffin Bay and the Arctic Ocean: A paleoclimatic and paleoceanographic summary. Paleoceanography 3:519-538.

1987

Farran, A., J. Grimalt, J. Albaigés, A.V. Botello and S.A. Macko (1987). Assessment of petroleum pollution in a Mexican river by molecular markers and carbon isotope ratios. Mar. Poll. Bull. 18:284-289.

Macko, S.A., J.K. Winters and P.L. Parker (1987). High molecular-weight hydrocarbons in particulate matter of the northwest Gulf of Mexico, Mar. Env. Res. 21:3-9.

Macko, S.A., M.L.F. Estep, P.E. Hare and T.C. Hoering (1987). Isotopic fractionation of nitrogen and carbon in the synthesis of amino acids by microorganisms. Isotope Geoscience 65:79-92.

Chaudbury, S., S. Macko and A.D. Rahimtula (1987). Possible mechanism of inhibition of rat platelet aggregation by a Prudhoe Bay crude oil and its aliphatic, aromatic and heterocycle fractions. Toxicol. Appl. Pharmacol. 90:347-356.

Brooks, J.M., M.C. Kennicutt, C.R. Fisher, S.A. Macko, K. Cole, J.J. Childress and R.R. Bidigare (1987). Deep-sea hydrocarbon seep communities: evidence for energy and nutritional carbon. Science 238:1138-1142.

1986

Macko, S.A. and R.S. Quick (1986). A geochemical study of oil migration at source rock reservoir contacts: stable isotopes. Organic Geochem. 10:199-205.

Engel, M.H. and S.A. Macko (1986). Application of stable isotopes for evaluating the origins of amino acids in fossils. Nature 323:531-533.

Macko, S.A. and A.E. Aksu (1986). Amino acid epimerization in planktonic foraminifera suggests slow sedimentation rates for Alpha Ridge, Arctic Ocean. Nature 322:730-732.

Macko, S.A., M.F. Estep, M.H. Engel and P.E. Hare (1986). Kinetic fractionation of stable nitrogen isotopes during amino acid transamination. Geochim. Cosmochim. Acta. 50:2143-2146.

1985

Zieman, J.C., S.A. Macko and A.L. Mills (1985). The role of seagrasses and mangroves in estuarine food webs: temporal and spatial changes in stable isotope composition and amino acid content during decomposition. Bull. Mar. Sci. 35:380-392.

Mayer, L.M., P.T. Rahaim, W. Guerin, S.A. Macko, L. Watling and F.E. Anderson (1985). Influence of biodeposition on sedimentary organic matter of an intertidal mudflat. Estuarine and Coastal Shelf Science 20:491-503.

Walsh, J.J., E.T. Premuzic, J.S. Gaffney, G.T. Rowe, G. Harbottle, E.V. Sayre, R.W. Stoenner, W.L. Balsam, P.R. Betzer and S.A. Macko (1985). Organic Storage of CO2 within the last century on the continental slope off the Mid-Atlantic Bight. Deep Sea Res. 32:853-883.

1984

Engel, M.H. and S.A. Macko (1984). Separation of amino acid enantiomers for stable nitrogen and carbon isotopic analyses. Anal. Chem. 56:2598-2600.

Macko, S.A., L. Entzeroth and P.L. Parker (1984). Regional differences in the stable isotopes of nitrogen and carbon on the continental shelf of the Gulf of Mexico. Naturwissenschaften 71:374-375.

Estep, M.L. and S.A. Macko (1984). Nitrogen isotope biogeochemistry of thermal springs. Org. Geochem. 6:779-785.

Macko, S.A. and M.L.F. Estep (1984). Microbial alteration of stable nitrogen and carbon isotopic compositions of organic substrates. Org. Geochem. 6:787-790.

1983

Macko, S.A. and P.L. Parker (1983). Stable nitrogen and carbon isotope ratios of beach tars on south Texas barrier islands. Mar. Env. Res. 10:93-103.

Macko, S.A., M.F. Estep, P.E. Hare and T.C. Hoering (1983). Stable nitrogen and carbon isotopic composition of individual amino acids isolated from cultured microorganisms. Carnegie Inst. Wash. Geophysical Lab. Yearbook 82:404-410.

Macko, S.A. (1983). Source of organic nitrogen in mid-Atlantic coastal bays and continental shelf sediments of the United States: isotopic evidence. Carnegie Inst. Wash. Geophysical Lab. Yearbook 82:390-394.

Macko, S.A. and M.F. Estep (1983). Microbial alteration of stable nitrogen and carbon isotopic compositions of organic substrates. Carnegie Inst. Wash. Geophysical Lab. Yrbk. 82:394-398.

Macko, S.A., M.F. Estep, and W.Y. Lee (1983). Stable hydrogen isotope analysis of foodwebs on laboratory and field populations of marine amphipods. Jour. Exper. Mar. Biol. Ecol. 72:243-249.

1982

Macko, S.A. and E.J. Green (1982). An investigation of the dissolved free amino acids and their relation to phytoplankton cell density in the Damariscotta River estuary, Maine. Estuaries 5:68-73.

Macko, S.A., J. K. Winters and P.L. Parker (1982). Gulf of Mexico dissolved hydrocarbons associated with the Ixtoc I mousse. Mar. Poll.13: 174-177.

Macko, S.A.,W.Y. Lee and P.L. Parker (1982). Nitrogen and carbon isotope fractionation by two species of marine amphipods: laboratory and field studies. Jour. Exper. Mar. Biol. Ecol. 63:145-149.

Botello, A.V. and S.A. Macko (1982). Oil pollution and carbon isotope ratios in organisms and recent sediments of coastal lagoons in the Gulf of Mexico. Oceanologica Acta SP:55-62.

Macko, S.A., M.F. Estep and W.Y. Lee (1982). Hydrogen isotope composition of the cultured and field populations of marine amphipods. Carnegie Inst. Wash. Geophysical Lab. Yearbook 81:410-413.

Macko, S.A., M.F. Estep and T.C. Hoering (1982). Nitrogen isotope fractionation by blue-green algae cultured on molecular nitrogen and nitrate. Carnegie Inst. Wash. Geophysical Lab. Yearbook 81:413-417.

Macko, S.A., M.F. Estep, M.H. Engel and P.E. Hare (1982). Stable nitrogen isotope effects in the transamination of amino acids. Carnegie Inst. Wash. Geophysical Lab. Yearbook 81:417-422.

Incze, L.S., L.M. Mayer, E.B. Sherr and S.A. Macko (1982). Carbon inputs to bivalve molluscs: a comparison of two estuaries. Canadian Jour. Fisheries Aquatic Sci. 39:1348-1352.

1981

Macko, S.A., P.L. Parker and A.V. Botello (1981). Persistence of spilled oil in a Texas salt marsh. Environ. Poll. B 2:119-128.

Lee, W.Y., S.A. Macko and J.A.C. Nicol (1981). Changes in the nesting behavior and lipid content of a marine amphipod due to the toxicity of a no. 2 fuel oil. Water, Air Soil Poll. 15:185-195.

Lee, W.Y., S.A. Macko and L.S. Ciereszko (1981). Toxic effects of cembranolides derived from octacorals on the rotifer Branchionus plicatus and on the amphipod Parhyale hawaiensis. Jour. Exp. Mar. Biol. Ecol. 54:91-96.

Mayer, L.M., S.A. Macko, W.H. Mook and S. Murray (1981). The distribution of bromine in coastal sediments and its use as a source indicator of organic matter. Org. Geochem. 3:37-42.

1980

Botello, A.V., E.F. Mandelli, S.A. Macko and P.L. Parker (1980). Organic carbon isotope ratios of recent sediments from coastal lagoons of the Gulf of Mexico. Geochim. Cosmochim. Acta 44:557-559.

Macko, S.A. and S.M. King (1980). Weathered oil: effect on the hatachability of heron and gull eggs. Bull. Environ. Contam. Toxicol. 25:316-320.

Botello, A.V. and S.A. Macko (1980). Presencia de hidrocarburos fosiles (n-parafinas) en sedimentos recientes de algunas lagunas costeras en el litoral pacifico de Mexico. Ann. Cent. Cienc. Mar Limnol. 7:159-168.

1979

Macko, S.A. and E.J. Green (1979). The quantification of amino acids in seawater using thin-layer chromatography and fluorometry. Mar. Chem.: 8:181-189.

King, K.A., S.A. Macko, P.L. Parker and E. Payne (1979). Resuspension of oil: probable cause of a brown pelican fatality. Bull. Environ. Contam. Toxicol. 23:800-805.