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Age and Growth Program



Click here for recent posters.

Recent Publications

  • MATTA, M. E., J. A. MILLER, J. A. SHORT, T. E. HELSER, T. P. HURST, K. M. RAND, and O. A. ORMSETH. 2017. Spatial and temporal variation in otolith elemental signatures of age-0 Pacific cod (Gadus macrocephalus) in the Gulf of Alaska. Deep Sea Res. II. Early Online. https://doi.org/10.1016/j.dsr2.2017.08.015   Online.
     
  • HELSER, T. E., J. R. COLMAN, D. M. ANDERL, and C. R. KASTELLE. 2017. Growth dynamics of saffron cod (Eleginus gracilis) and Arctic cod (Boreogadus saida) in the Northern Bering and Chukchi Seas. Deep Sea Res. II: 135:66-77. https://doi.org/10.1016/j.dsr2.2015.12.009   Online.
     
  • TRIBUZIO, C. A., M. E. MATTA, C. GBURSKI, C. BLOOD, W. BUBLEY, and G. H. KRUSE. 2017. Are Pacific spiny dogfish lying about their age? A comparison of ageing structures for Squalus suckleyi. Mar. Freshwater Res. Early online. https://doi.org/10.1071/MF16329   Online.
     
  • MATTA, M. E., C. A. TRIBUZIO, D. A. EBERT, K. J. GOLDMAN, and C. M. GBURSKI. 2017. Age and growth of elasmobranchs and applications to fisheries management and conservation in the Northeast Pacific Ocean. Adv. Mar. Biol. 77:179-220. http://dx.doi.org/10.1016/bs.amb.2017.06.002   Online.
     
  • RODGVELLER, C. J., C. E. HUTCHINSON, J. P. HARRIS, S. C. VULSTEK, and C. M. GUTHRIE, III. 2017. Otolith shape variability and associated body growth differences in giant grenadier, Albatrossia pectoralis. PLOS ONE 12:e0180020. https://doi.org/10.1371/journal.pone.0180020   Online.
     
  • TRIBUZIO C. A., M. E. MATTA, C. GBURSKI, N. ATKINS, and W. BUBLEY. 2017. Methods for the preparation of spiny dogfish (Squalus suckleyi) spines and vertebrae and an overview of age determination. Mar. Fish. Rev. 78:1-13. http://dx.doi.org/10.7755/MFR.78.12.1  Online.
     
  • KASTELLE, C. R., T. E. HELSER, J. L. MCKAY, C. G. JOHNSTON, D. M. ANDERL, M. E. MATTA, and D. G. NICHOL. 2017. Age validation of Pacific cod (Gadus macrocephalus) using high-resolution stable oxygen isotope (δ18O) chronologies in otoliths. Fish. Res. 185:43-53. http://dx.doi.org/10.1016/j.fishres.2016.09.024   Online.
     
  • VAN DER SLEEN, P., M. P. DZAUGIS, C. GENTRY, W. P. HALL, V. HAMILTON, T. E. HELSER, M. E. MATTA, C. A. UNDERWOOD, R. ZUERCHER, and B. A. BLACK. 2016. Long-term Bering Sea environmental variability revealed by a centennial-length biochronology of Pacific ocean perch Sebastes alutus. Climate Res. 71:33-45. http://dx.doi.org/10.3354/cr01425   Online.
     
  • MATTA, M. E., T. E. HELSER, and B. A. BLACK. 2016. Otolith biochronologies reveal latitudinal differences in growth of Bering Sea yellowfin sole Limanda aspera. Polar Biol. 1-13. http://dx.doi.org/10.1007/s00300-016-1917-y  Online.
     
  • COPEMAN, L. A., B. J. LAUREL, K. M. BOSWELL, A. L. SREMBA, K. KLINCK, R. A. HEINTZ, J. J. VOLLENWEIDER, T. E. HELSER, and M. L. SPENCER. 2016. Ontogenetic and spatial variability in trophic biomarkers of juvenile saffron cod (Eleginus gracilis) from the Beaufort, Chukchi and Bering Seas. Polar Biol. 39:1109-1126. http://dx.doi.org/10.1007/s00300-015-1792-y  Online.
     


Recent Poster Presentations

  • Growth Dynamics Of Arctic And Saffron Cod In The Northern Bering And Chukchi Seas
    By:  THOMAS E. HELSER, DELSA M. ANDERL, CRAIG R. KASTELLE
    Conference:  Ocean Sciences Meeting, New Orleans, LA, Feb 2016
    (2016 poster, .pdf, 4.74 MB)   Online.

     
  • Use of Otolith Shape Analysis to Separate Blackspotted (Sebastes melanostictus) and Rougheye Rockfish (Sebastes aleutianus)
    By:  CHARLES HUTCHINSON, JEREMY HARRIS
    Conference:  Western Groundfish Conference (19th), Newport, OR, Feb 2016
    (2016 poster, .pdf, 726 KB)   Online.

     
  • Spatial and Temporal Variation in Otolith Elemental Chemistry of Young-of-Year Pacific Cod in the Gulf of Alaska
    By:  MARY ELIZABETH MATTA, JONATHAN SHORT, THOMAS HELSER, OLAV ORMSETH, JESSICA MILLER
    Conference:  Western Groundfish Conference (19th), Newport, OR, Feb 2016
    (2016 poster, .pdf, 896 KB)   Online.

     
  • What To Do When Spiny Dogfish Lie About Their Age?
    By:  CINDY A. TRIBUZIO, BETH MATTA, CHRIS GBURSKI, CAL BLOOD, WALLY BUBLEY, GORDON H. KRUSE, WILLIAM BECHTOL
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2015
    (2015 poster, .pdf, 3.1 MB)   Online.

     
  • Modeling Environmental Factors Affecting Assimilation of Bomb-produced ?14C in the North Pacific Ocean: Implications for Age Validation Studies
    By:  THOMAS E. HELSER, CRAIG R. KASTELLE, HAN-LIN LAI
    Conference:  International Otolith Symposium (5th), Mallorca, Spain, Oct 2014
    (2014 poster, .pdf, 1.46 MB)   Online.

     
  • A 200 Year Archeozoological Record of Pacific Cod Life History as Revealed Through Ion Microprobe Oxygen Isotope Ratios in Otoliths
    By:  THOMAS HELSER, CRAIG KASTELLE, JOHN VALLEY, ARON L. CROWELL, IAN ORLAND, REINHARD KOZDON, TAKAYUKI USHIKUBO
    Conference:  ICES Annual Science Conference, Coruna, Spain, Sept 2014
    (2014 poster, .pdf, 1.4 MB)   Online.

     
  • Age Validation of Pacific Cod (Gadus macrocephalus) Using Stable Oxygen Isotopes (d 18O) (2014 poster)
    By:  CRAIG KASTELLE, THOMAS HELSER, JENNIFER McKAY, DELSA ANDERL
    Conference:  Western Groundfish Conference (18th), Victoria, B.C., Feb 2014
    (2014 poster, .pdf, 4.04 MB)   Online.

     
  • Re-inventing the Wheel Has its Challenges: Investigating New Methods for Aging Spiny Dogfish
    By:  CINDY A. TRIBUZIO, CAL BLOOD, BETH MATTA, CHRIS GBURSKI, WALLY BUBLEY, GORDON H. KRUSE
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2014
    (2014 poster, .pdf, 8.8 MB)   Online.

     
  • Age Validation of Pacific Cod (Gadus macrocephalus) Using Stable Oxygen Isotopes (d 18O)) (2013 poster)
    By:  CRAIG KASTELLE, THOMAS HELSER, JENNIFER McKAY, DELSA ANDERL
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 2.66 MB)   Online.

     
  • Preliminary Life History Variability of Longnose Skate (Raja rhina) Across Two Large Marine Ecosystems: Gulf of Alaska and California Current System
    By:  CHRISTOPHER GBURSKI, THOMAS HELSER, VLADLENA GERTSEVA, JACQUELYNNE KING, DAVID EBERT
    Conference:  Western Groundfish Conference (17th), Seattle, WA., Feb 2012
    (2012 poster, .pdf, 2.5 MB)   Online.

     


See the publications and poster databases for additional listings.

 

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