Adey, Walter
Emeritus Research Scientist
Adey, Walter
Emeritus Research Scientist
Biosystematics of coralline algae; algal biogeography; coral reef metabolism and its relationship to the algal community; benthic ecosystem dynamics in relation to algae; microcosm and mesocosm techniques; solar/algal methods in aquaculture and municipal/industrial water purification.
Background And Education
Education And Training
- Ph.D. in Phycology and Pleistocene geology, MIT/Harvard University, University of Michigan , Dept of Geology and Geophysics/ Dept of Biology/Botany, Transfer to Univ of Michigan in 1961 to complete thesis 1956 - 1963
- B.S. in Geophysics, Massachusetts Institute of Technology , Department of Geology and Geophysics, Thesis: Construction of an RF Mass Spectrometer 1951 - 1955
Publications
Selected Publications
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Article
- Stewart, Joseph A., Williams, Branwen, LaVigne, Michèle, Wanamaker, Alan D., Strong, Aaron L., Jellison, Brittany, Whitney, Nina M., Thatcher, Diana L., Robinson, Laura F., Halfar, Jochen, and Adey, Walter. 2025. "Delayed onset of ocean acidification in the Gulf of Maine." Scientific Reports, 15, (1). https://doi.org/10.1038/s41598-024-84537-3. 2025
- Seeley, Robin Hadlock, Hardy, Sarah, Prentiss, Nancy K., and Adey, Walter H. 2024. "Comment: A reexamination of Johnston et al., 2023, Bed-scale impact and recovery of a commercially important intertidal seaweed." Journal of experimental marine biology and ecology, 574. https://doi.org/10.1016/j.jembe.2023.151984. 2024
- Sherman, Clark E., Carlo, Milton, Tuohy, Evan, and Adey, Walter H. 2023. "Styles and rates of mesophotic reef accretion on a Caribbean insular slope." Coral Reefs, https://doi.org/10.1007/s00338-023-02402-7. 2023
- Gould, Jessica, Halfar, Jochen, Adey, Walter, and Ries, Justin B. B. 2022. "Growth as a function of sea ice cover, light and temperature in the arctic/subarctic coralline C. compactum: A year-long in situ experiment in the high arctic." Frontiers in Marine Science, 9. https://doi.org/10.3389/fmars.2022.900033. 2022
- Leclerc, Natasha, Halfar, Jochen, Hetzinger, Steffen, Chan, Phoebe T. W., Adey, Walter H., Tsay, Alexandra, Brossier, Eric, and Kronz, Andreas. 2022. "Suitability of the Coralline Alga Clathromorphum compactum as an Arctic Archive for Past Sea ice Cover." Paleoceanography and Paleoclimatology, 37, (1). https://doi.org/10.1029/2021PA004286. 2022
- Doherty, John M., Williams, Branwen, Kline, Esme, Adey, Walter, and Thibodeau, Benoit. 2021. "Climate-Modulated Nutrient Conditions Along the Labrador Shelf: Evidence From Nitrogen Isotopes in a Six-Hundred-Year-Old Crustose Coralline Alga." Paleoceanography and Paleoclimatology, 36, (5). https://doi.org/10.1029/2020PA004149. 2021
- Leao, Luis Alfredo S., Bahia, Ricardo G., Jesionek, Michel B., Adey, Walter H., Johnson, Gabriel, Salgado, Leonardo T., and Pereira, Renato C. 2020. "Sporolithon franciscanum sp. nov. (Sporolithales, Rhodophyta), a New Rhodolith-Forming Species from Northeast Brazil." Diversity-Basel, 12, (5). https://doi.org/10.3390/d12050199. 2020
- Williams, Branwen, Chan, Phoebe T. W., Halfar, Jochen, Hargan, Kathryn, and Adey, Walter. 2020. "Arctic crustose coralline alga resilient to recent environmental change." Limnology and Oceanography, https://doi.org/10.1002/lno.11640. 2020
- Doherty, John, Williams, Branwen, Kline, Esme, Adey, Walter, and Thibodeau, Benoit. 2020. "Climate-modulated nutrient conditions along the Labrador Shelf: Evidence from nitrogen isotopes in a six-hundred-year-old crustose coralline alga." Geophysical Research Letters, https://doi.org/10.1002/essoar.10501506.2. 2020
- Nash, Merinda C., Adey, Walter, and Harvey, Adela S. 2020. "High Magnesium Calcite and Dolomite composition carbonate in Amphiroa (Lithophyllaceae, Corallinales, Rhodophyta): further documentation of elevated Mg in Corallinales with climate change implications." Journal of Phycology, 57, (2) 496–509. https://doi.org/10.1111/jpy.13098. 2020
- Chan, P. T. W., Halfar, J., Adey, Walter H., Lebednik, P. A., Steneck, R., Norley, C. J. D., and Holdsworth, D. W. 2020. "Recent density decline in wild-collected subarctic crustose coralline algae reveals climate change signature." Geology, 48, (3) 226–230. https://doi.org/10.1130/G46804.1. 2020
- Nash, Merinda C., Diaz-Pulido, Guillermo, Harvey, Adela S., and Adey, Walter H. 2019. "Coralline algal calcification: A morphological and process-based understanding." PloS One, 14, (9) Article e0221396. https://doi.org/10.1371/journal.pone.0221396. 2019
- Hou, A., Halfar, J., Adey, Walter H., Wortmann, U. G., Zajacz, Z., Tsay, A., Williams, B., and Chan, P. 2019. "Long-lived coralline alga records multidecadal variability in Labrador Sea carbon isotopes." Chemical Geology, 526 93–100. https://doi.org/10.1016/j.chemgeo.2018.02.026. 2019
- Rahman, M. Azizur, Halfar, Jochen, Adey, Walter H., Nash, Merinda, Paulo, Carlos, and Dittrich, Maria. 2019. "The role of chitin-rich skeletal organic matrix on the crystallization of calcium carbonate in the crustose coralline alga Leptophytum foecundum." Scientific Reports, 9 11869. https://doi.org/10.1038/s41598-019-47785-2. 2019
- Light, Tricia, Williams, Branwen, Halfar, Jochen, Hou, Alicia, Zajacz, Zoltan, Tsay, Alexandra, and Adey, Walter H. 2018. "Advancing Mg/Ca Analysis of Coralline Algae as a Climate Proxy by Assessing LA-ICP-OES Sampling and Coupled Mg/Ca-δ 18 O Analysis." Geochemistry, Geophysics, Geosystems, (19) 1–19. https://doi.org/10.1029/2018GC007504. 2018
- Nash, Merinda C. and Adey, Walter H. 2018. "Anatomical structure overrides temperature controls on magnesium uptake -- calcification in the Arctic/subarctic coralline algae Leptophytum laeve and Kvaleya epilaeve (Rhodophyta; Corallinales)." Biogeosciences, (15) 781–795. https://doi.org/10.5194/bg-2017-180. 2018
- Pena, Viviana, Hernandez-Kantun, Jazmin J., Adey, Walter H., and Le Gall, Line. 2018. "Assessment of coralline species diversity in the European coasts supported by sequencing of type material: the case study of Lithophyllum nitorum (Corallinales, Rhodophyta)." Cryptogamie Algologie, 39, (1) 123–137. https://doi.org/10.7872/crya/v39.iss1.2018.123. 2018
- Williams, Siobhan, Adey, Walter H., Halfar, Jochen, Kronz, Andreas, Gagnon, Patrick, Belanger, David, and Nash, Merinda. 2018. "Effects of light and temperature on Mg uptake, growth, and calcification in the proxy climate archive Clathromorphum compactum." Biogeosciences, 15, (19) 5745–5759. https://doi.org/10.5194/bg-15-5745-2018. 2018
- Calahan, Dean, Osenbaugh, Edward, and Adey, Walter H. 2018. "Expanded algal cultivation can reverse key planetary boundary transgressions." Heliyon, 4, (2). https://doi.org/10.1016/j.heliyon.2018.e00538. 2018
- Hetzinger, S., Halfar, J., Kronz, A., Simon, K., Adey, Walter H., and Steneck, R. S. 2018. "Reproducibility of Clathromorphum compactum coralline algal Mg/Ca ratios and comparison to high-resolution sea surface temperature data." Geochimica et Cosmochimica Acta, 220 96–109. https://doi.org/10.1016/j.gca.2017.09.044. 2018
- Moore, G. W. K., Halfar, J., Majeed, H., Adey, Walter H., and Kronz, A. 2017. "Amplification of the Atlantic Multidecadal Oscillation associated with the onset of the industrial-era warming." Scientific Reports, 7, (40861). https://doi.org/10.1038/srep40861. 2017
- Kangas, Patrick, Mulbry, Walter, Klavon, Philip, Laughinghouse, H. D., and Adey, Walter H. 2017. "High diversity within the periphyton community of an algal turf scrubber on the Susquehanna River." Ecological Engineering, 108, (Pt. B) 564–572. https://doi.org/10.1016/j.ecoleng.2017.05.010. 2017
- Chan, P., Halfar, J., Norley, C. J. D., Pollmann, S. I., Adey, Walter H., and Holdsworth, D. W. 2017. "Micro-computed tomography: Applications for high-resolution skeletal density determinations: An example using annually banded crustose coralline algae." Geochemistry, Geophysics, Geosystems, 18, (9) 3542–3553. https://doi.org/10.1002/2017GC006966. 2017
- Chan, P., Halfar, J., Adey, Walter H., Hetzinger, S., Zack, T., Moore, G. W. K., Wortmann, U. G., Williams, B., and Hou, A. 2017. "Multicentennial record of Labrador Sea primary productivity and sea-ice variability archived in coralline algal barium." Nature Communications, 8, (15543). https://doi.org/10.1038/ncomms15543. 2017
- Nash, Merinda C. and Adey, Walter H. 2017. "Multiple phases of mg-calcite in crustose coralline algae suggest caution for temperature proxy and ocean acidification assessment: lessons from the ultrastructure and biomineralization in Phymatolithon (Rhodophyta, Corallinales)1." Journal of Phycology, 53, (5) 970–984. https://doi.org/10.1111/jpy.12559. 2017
- Jesionek, Michel B., Bahia, Ricardo G., Hernandez-Kanttun, Jazmin J., Adey, Walter H., Yoneshigue-Valentin, Yocie, Longo, Leila L., and Amado-Filho, Gilberto M. 2016. "A taxonomic account of non-geniculate coralline algae (Corallinophycidae, Rhodophyta) from shallow reefs of the Abrolhos Bank, Brazil." Algae, 31, (4) 317–340. https://doi.org/10.4490/algae.2016.31.11.16. 2016
- Blersch, D. M., Kangas, P. C., and Adey, Walter H. 2016. "Freshwater Marsh Community Structure in a Florida Everglades Mesocosm." Transactions of the ASABE, 59, (5) 1305–1312. https://doi.org/10.13031/trans.59.11599. 2016
- Hernández-Kantún, Jazmin J., Gabrielson, Paul, Hughey, Jeffery R., Pezzolesi, Laura, Rindi, Fabio, Robinson, Nestor M., Peña, Viviana, Riosmena-Rodriguez, Rafael, Le Gall, Line, and Adey, Walter H. 2016. "Reassessment of branched Lithophyllum spp. (Corallinales, Rhodophyta) in the Caribbean Sea with global implications." Phycologia, 55, (6) 619–639. https://doi.org/10.2216/16-7.1. 2016
- Peña, Viviana, Pardo, Cristina, López, Lúa, Carro, Belén, Hernández-Kantún, Jazmin J., Adey, Walter H., Bárbara, Ignacio, Barreiro, Rodolfo, and Gall, Line Le. 2015. "Phymatolithon lusitanicum sp. nov. (Hapalidiales, Rhodophyta): The Third Most Abundant Maerl-Forming Species in the Atlantic Iberian Peninsula." Cryptogamie, Algologie, 36, (4) 429–459. https://doi.org/10.7872/crya/v36.iss4.2015.429. 2015
- Bahia, Ricardo G., Amado-Filho, Gilberto, Maneveldt, Gavin W., Adey, Walter H., Johnson, Gabriel, Jesionek, Michel B., and Longo, Leila L. 2015. "Sporolithon yoneshigueae sp. nov. (Sporolithales, Corallinophycidae, Rhodophyta), a new rhodolith-forming coralline alga from the southwest Atlantic." Phytotaxa, 224, (2) 140–158. https://doi.org/10.11646/phytotaxa.224.2.2. 2015
- Adey, Walter H., Hernández-Kantún, Jazmin J., Johnson, Gabriel, and Gabrielson, Paul W. 2015. "DNA sequencing, anatomy, and calcification patterns support a monophyletic, subarctic, carbonate reef-forming Clathromorphum (Hapalidiaceae, Corallinales, Rhodophyta)." Journal of Phycology, 51, (1) 189–203. https://doi.org/10.1111/jpy.12266. 2015
- Bougeois, Laurie, Williams, Branwen, Halfar, Jochen, Konar, Brenda, Adey, Walter H., Kronz, Andreas, and Wortmann, Ulrich G. 2015. "Does the Coralline Alga Leptophytum foecundum (Kjellman) Capture Paleoenvironmental Variability in the Arctic Ocean?" Arctic, Antarctic, and Alpine Research, 47, (2) 375–387. https://doi.org/10.1657/AAAR0014-061. 2015
- Laughinghouse, Haywood Dail, Müller, Kirsten M., Adey, Walter H., Lara, Yannick, Young, Robert, and Johnson, Gabriel P. 2015. "Evolution of the Northern Rockweed, Fucus distichus, in a Regime of Glacial Cycling: Implications for Benthic Algal Phylogenetics." PloS One, 10, (12) 1–17. https://doi.org/10.1371/journal.pone.0143795. 2015
- Hernández-Kantún, Jazmin J., Rindi, Fabio, Adey, Walter H., Heesch, Svenja, Peña, Viviana, Le Gall, Line, and Gabrielson, Paul W. 2015. "Sequencing type material resolves the identity and distribution of the generitype Lithophyllum incrustans, and related European species L. hibernicum and L. bathyporum (Corallinales, Rhodophyta)." Journal of Phycology, 51, (4) 791–807. https://doi.org/10.1111/jpy.12319. 2015
- Adey, Walter H., Halfar, Jochen, Humphreys, Alexander, Suskiewicz, Thew, Belanger, David, Gagnon, Patrick, and Fox, Michael. 2015. "Subarctic Rhodolith Beds Promote Longevity of Crustose Coralline Algal Buildups and Their Climate Archiving Potential." Palaios, 30, (4) 281–293. https://doi.org/10.2110/palo.2014.075. 2015
- Calahan, Dean, Blersch, David, and Adey, Walter H. 2015. "Weeds in the algae garden – A source of biomass for the algae-to-biofuels program." Ecological Engineering, 85 275–282. https://doi.org/10.1016/j.ecoleng.2015.10.014. 2015
- Bahia, Ricardo G., Amado-Filho, Gilberto, Maneveldt, Gavin W., Adey, Walter H., Johnson, Gabriel, Marins, Bianca V., and Longo, Leila L. 2014. "Sporolithon tenue sp. nov. (Sporolithales, Corallinophycidae, Rhodophyta): A new rhodolith-forming species from the tropical southwestern Atlantic." Phycological Research, 62, (1) 44–54. https://doi.org/10.1111/pre.12033. 2014
- Hernández-Kantún, Jazmin J., Riosmena-Rodriguez, Rafael, Adey, Walter H., and Rindi, Fabio. 2014. "Analysis of the cox2-3 spacer region for population diversity and taxonomic implications in rhodolith-forming species (Rhodophyta: Corallinales)." Phytotaxa, 190, (1) 331–354. https://doi.org/10.11646/phytotaxa.190.1.20. 2014
- Sandefur, Heather N., Johnston, Ryan Z., Matlock, Marty D., Costello, Thomas A., Adey, Walter H., and Laughinghouse IV, Haywood D. 2014. "Hydrodynamic regime considerations for the cultivation of periphytic biofilms in two tertiary wastewater treatment systems." Ecological Engineering, 71 527–532. https://doi.org/10.1016/j.ecoleng.2014.07.070. 2014
- Sherman, Clark E., Fletcher, Charles H., Rubin, Ken H., Simmons, Kathleen R., and Adey, Walter H. 2014. "Sea-level and reef accretion history of Marine Oxygen Isotope Stage 7 and late Stage 5 based on age and facies of submerged late Pleistocene reefs, Oahu, Hawaii." Quaternary Research, 81, (1) 138–150. https://doi.org/10.1016/j.yqres.2013.11.001. 2014
- Adey, Walter H., Laughinghouse, Haywood Dail, Miller, John B., Hayek, Lee-Ann C., Thompson, Jesse G., Bertman, Steven, Hampel, Kristin, and Puvanendran, Shanmugam. 2013. "Algal turf scrubber (ATS) floways on the Great Wicomico River, Chesapeake Bay: productivity, algal community structure, substrate and chemistry." Journal of Phycology, 49, (3) 489–501. https://doi.org/10.1111/jpy.12056. 2013
- Halfar, Jochen, Adey, Walter H., Kronz, Andreas, Hetzinger, Steffen, Edinger, Evan, and Fitzhugh, William W. 2013. "Arctic sea-ice decline archived by multicentury annual-resolution record from crustose coralline algal proxy." Proceedings of the National Academy of Sciences of the United States of America, 110, (49) 19737–19741. https://doi.org/10.1073/pnas.1313775110. 2013
- Hetzinger, S., Halfar, J., Zack, T., Mecking, J. V., Kunz, B. E., Jacob, D. E., and Adey, Walter H. 2013. "Coralline algal Barium as indicator for 20th century northwestern North Atlantic surface ocean freshwater variability." Scientific Reports, 3, (1761). https://doi.org/10.1038/srep01761. 2013
- Nash, M. C., Opdyke, B. N., Troitzsch, U., Russell, B. D., Adey, Walter H., Kato, A., Diaz-Pulido, G., Brent, C., Gardner, M., Prichard, J., and Kline, D. I. 2013. "Dolomite-rich coralline algae in reefs resist dissolution in acidified conditions." Nature Climate Change, (3) 268–272. https://doi.org/10.1038/nclimate1760. 2013
- Johnson, Ladd E., Brawley, Susan H., and Adey, Walter H. 2012. "Secondary spread of invasive species: historic patterns and underlying mechanisms of the continuing invasion of the European rockweed Fucus serratus in eastern North America." Biological Invasions, 14, (1) 79–97. https://doi.org/10.1007/s10530-011-9976-z. 2012
- Peña, Viviana, Adey, Walter H., Riosmena‐Rodríguez, Rafael, Jung, Moon‐Yung, Afonso‐Carrillo, Julio, Choi, Han‐Gu, and Bárbara, Ignacio. 2011. "Mesophyllum sphaericum sp. Nov. (Corallinales, rhodophyta): a new maërl-forming species from the northeast Atlantic." Journal of Phycology, 47, (4) 911–927. https://doi.org/10.1111/j.1529-8817.2011.01015.x. 2011
- Adey, Walter H., Kangas, Patrick C., and Mulbry, Walter. 2011. "Algal Turf Scrubbing: Cleaning Surface Waters with Solar Energy while Producing a Biofuel." Bioscience, 61, (6) 434–441. https://doi.org/10.1525/bio.2011.61.6.5. 2011
- Halfar, J., Hetzinger, S., Adey, Walter H., Zack, T., Gamboa, G., Kunz, B., Williams, B., and Jacob, D. E. 2011. "Coralline algal growth-increment widths archive North Atlantic climate variability." Palaeogeography Palaeoclimatology Palaeoecology, 302, (1-2) 71–80. https://doi.org/10.1016/j.palaeo.2010.04.009. 2011
- Adey, Walter H. and Hayek, Lee-Ann C. 2011. "Elucidating Marine Biogeography with Macrophytes: Quantitative Analysis of the North Atlantic Supports the Thermogeographic Model and Demonstrates a Distinct Subarctic Region in the Northwestern Atlantic." Northeastern Naturalist, 18 1–128. https://doi.org/10.1656/045.018.m801. 2011
- Hetzinger, S., Halfar, J., Zack, T., Gamboa, G., Jacob, D. E., Kunz, B. E., Kronz, A., Adey, Walter H., Lebednik, P. A., and Steneck, Robert S. 2011. "High-resolution analysis of trace elements in crustose coralline algae from the North Atlantic and North Pacific by laser ablation ICP-MS." Palaeogeography palaeoclimatology palaeoecology, 302, (1-2) 81–94. https://doi.org/10.1016/j.palaeo.2010.06.004. 2011
- Hetzinger, S., Halfar, J., Mecking, J. V., Keenlyside, N. S., Kronz, A., Steneck, R. S., Adey, Walter H., and Lebednik, P. A. 2011. "Marine proxy evidence linking decadal North Pacific and Atlantic climate." Climate Dynamics, 39, (6) 1447–1455. https://doi.org/10.1007/s00382-011-1229-4. 2011
- Williams, B., Halfar, Jochen, Steneck, Robert S., Wortmann, U. G., Hetzinger, S., Adey, Walter H., Lebednik, P., and Joachimski, M. 2011. "Twentieth century delta C-13 variability in surface water dissolved inorganic carbon recorded by coralline algae in the northern North Pacific Ocean and the Bering Sea." Biogeosciences, 8, (1) 165–174. https://doi.org/10.5194/bg-8-165-2011. 2011
- Gamboa, G., Halfar, Jochen, Hetzinger, S., Adey, Walter H., Zack, T., Kunz, B., and Jacob, D. E. 2010. "Mg/Ca ratios in coralline algae record northwest Atlantic temperature variations and North Atlantic Oscillation relationships." Journal of Geophysical Research. C. Oceans, 115. https://doi.org/10.1029/2010JC006262. 2010
- Hetzinger, Steffen, Halfar, Jochen, Kronz, Andreas, Steneck, Robert S., Adey, Walter H., Lebednik, Phillip A., and Schone, Bernd R. 2009. "High-resolution Mg/Ca ratios in a coralline red alga as a proxy for Bering Sea temperature variations from 1902 to 1967." Palaios, 24, (6) 406–412. https://doi.org/10.2110/palo.2008.p08-116r. 2009
- Adey, Walter H., Lindstrom, S., Hommersand, M., and Muller, K. 2008. "The biogeographic original of Arctic endemic seaweeds: a Thermogeographic view." Journal of Phycology, 44 1384–1394. 2008
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Book
- Adey, Walter H., Suskiewicz, Thew S., and Rasher, Douglas B. 2020. Marine Ecosystem Analysis of Gouldsboro and Dyer Bays, Maine. Washington, DC: Smithsonian Institution Scholarly Press. In Smithsonian Contributions to the Marine Sciences. https://doi.org/10.5479/si.11950329.v1. 2020
- Adey, Walter H., Hernandez-Kantun, Jazmin, Gabrielson, Paul W., Nash, Merinda C., and Hayek, Lee-Ann C. 2018. Phymatolithon (Melobesioideae, Hapalidiales) in the Boreal–Subarctic Transition Zone of the North Atlantic. Washington, DC: Smithsonian Institution Scholarly Press. In Smithsonian Contributions to the Marine Sciences. https://doi.org/10.5479/si.1943-667X.41. 2018
- Adey, Walter H., Halfar, Jochen, and Williams, Branwen. 2013. The Coralline Genus Clathromorphum Foslie emend. Adey: Biological, Physiological, and Ecological Factors Controlling Carbonate Production in an Arctic-Subarctic Climate Archive. Washington, DC: Smithsonian Institution Scholarly Press. In Smithsonian Contributions to the Marine Sciences, 40. https://doi.org/10.5479/si.1943667X.40.1. 2013
- Adey, Walter H. and Loveland, Karen. 2007. Dynamic Aquaria, Building and Restoring Living Ecosystems. 3rd ed. New York: Elsevier/Academic Press. 2007
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Chapter
- Hernández-Kantún, Jazmin J., Hall-Spencer, J., Grall, J., Adey, Walter H., Rindi, F., Maggs, I. B., and Pena, V. 2016. "North Atlantic Rhodolith Beds." In Rhodolith/maerl beds: a global perspective. Riosmena-Rodriguez, Rafael, Nelson, W., and Aguirre, J., editors. New York: Springer Berlin Heidelberg. 2016
- Adey, Walter H. and Kangas, P. 2008. "Greenhouses, Microcosms and Mesocosms." In Encyclopedia of Ecology. Jorgensen, Sven Erik and Fath, Brian, editors. 1782–1796. Amsterdam: Elsevier. 2008
- Kangas, P. and Adey, Walter H. 2008. "Mesocosm Management." In Encyclopedia of Ecology. Jorgensen, Sven Erik and Fath, Brian, editors. 2308–2313. Amsterdam: Elsevier. 2008
Affiliation
Member Of
Contact
Location
- National Museum of Natural History Academic Department
