Peer-reviewed Journal Articles

 

‘Reported catch data avoids under-coverage of private access anglers in a marine recreational survey.’ J.R. Ashford, C.M. Jones, and L. Fegley. Transactions of the American Fisheries Society – in review.

 

‘Large scale circulation accounts for otolith chemistry in juvenile Dissostichus eleginoides on the Patagonian Shelf.’ J.R. Ashford, A. Arkhipkin, B.A. Fach, and C.M. Jones. Marine Ecology Progress Series – in review.

 

‘Private waterfront householders catch less per trip than other anglers in a marine recreational survey.’ J.R. Ashford, C.M. Jones, and L. Fegley. Transactions of the American Fisheries Society – accepted subject to revision.

 

‘Testing early life connectivity using otolith chemistry and particle tracking simulations.’ J.R. Ashford, M. La Mesa, B.A. Fach, and C.D. Jones. Canadian Journal of Fisheries and Aquatic Sciences – accepted subject to revision.

 

‘A license registry improves sampling efficiency for a marine recreational survey.’ J.R. Ashford, C.M. Jones, and L. Fegley. Transactions of the American Fisheries Society (2009) 138: 984-989.

 

‘Age and growth of ocellated icefish, Chionodraco rastrospinosus (DeWitt and Hureau, 1979), from the South Shetland Islands.’ – M. La Mesa and J.R. Ashford. Polar Biology (2008) 31: 443-447.

 

‘Age and early life history of Chaenocephalus aceratus from Elephant Island and the South Shetland Islands.’ – M. La Mesa and J.R. Ashford. Polar Biology (2008) 31: 221-228.

 

‘Otolith chemistry indicates population structuring by the Antarctic Circumpolar Current’ - J.R. Ashford, C.M. Jones, E. Hofmann, I. Everson, C. Moreno, G. Duhamel and R. Williams. Canadian Journal of Fisheries and Aquatic Sciences (2008) 65: 135-146.

 

‘Otolith chemistry reflects frontal systems in the Antarctic Circumpolar Current.’ J.R. Ashford, A. Arkhipkin, and C.M. Jones. Marine Ecology Progress Series (2007) 351: 249-260.

 

‘Oxygen and carbon stable isotopes in otoliths record population isolation of  Patagonian toothfish (Dissostichus eleginoides).’ - J.R. Ashford and C.M. Jones. Geochimica et Cosmochimica Acta (2007) 7:87-94.

 

‘Can the chemistry of otolith nuclei determine population structure of Patagonian toothfish (Dissostichus eleginoides)?’ - J.R. Ashford, A. Arkhipkin, and C.M. Jones. Journal of Fish Biology (2006) 69: 708-721.

 

‘Can otolith elemental signatures record the capture site of a fully marine fish, Dissostichus eleginoides, in the Southern Ocean?’ - J.R. Ashford, C.M. Jones, E. Hofmann, I. Everson, C. Moreno, G. Duhamel and R. Williams. Canadian Journal of Fisheries and Aquatic Sciences (2005) 62: 2832-2840.

 

‘Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen.’ – J.R. Ashford, G. Duhamel, C. Jones, and S. Bobko. CCAMLR Science (2005) 12: 29-41.

 

‘Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands.’ – M. La Mesa, J.R. Ashford, E. Larson and M. Vacchi. Antarctic Science (2004) 16(3):253-262. 

 

‘Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides).’ – J.R. Ashford, I. Everson, C.M. Jones and S. Bobko. CCAMLR Science (2002) 9:1-10.

 

‘A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia.’ – J.R. Ashford, C.M. Jones, S. Wischniowski, S. Bobko, and I. Everson. CCAMLR Science (2001) 8:75-92.

 

‘An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia.’ - J.R. Ashford and J.P. Croxall. CCAMLR Science (1998) 5:217-230.

 

‘Interactions between cetaceans and long-line fishery operations around South Georgia.’ -  J.R. Ashford, P.S. Rubilar and A. Martin. Marine Mammal Science (1996): 12(3):452-457.

 

‘Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April-May 1994.’ -  J.R. Ashford, J.P. Croxall, P.S. Rubilar and C.A. Moreno. CCAMLR Science (1995), 2:111-121.

 

‘An annual profile of growth in the otoliths of immature Notothenia coriiceps Richardson in relation to the environment at Signy Island, Antarctica.’  - J.R. Ashford and M.G. White. Antarctic Science (1995) 7(3):265-277.

 

‘Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia.’ - J.R. Ashford, J.P. Croxall, P.S. Rubilar and C.A. Moreno. CCAMLR Science (1994),  1:143-153.

 

‘Cross-sectional structure and validation of the timing of annulus formation in the otoliths of Notothenia coriiceps Richardson.’  J.R. Ashford and M.G. White. Cybium (1993), 17(2):153-163.

 

‘A method for preparing large numbers of otolith sections for viewing by scanning electron microscope.’ - J.R. Ashford, K. Robinson, and M.G. White. ICES J.mar.Sci. (1993), 50:227-229.

 

 

Selected CCAMLR conference papers
(from 50 presented)

 

‘An interlaboratory comparison of ages estimated for Dissostichus eleginoides from the Argentine Sea, south-west Atlantic Ocean.’ – C. Cassia, P. Horn, J.R. Ashford. CCAMLR Sci. Papers 2004: WG-FSA-04/ .

 

‘Is population structure of Patagonian toothfish (Dissostichus eleginoides) determined by the Antarctic Circumpolar Current?’- J.R. Ashford, C.M. Jones, E. Hofmann, I. Everson, and G, Duhamel. CCAMLR Sci. Papers 2003: WG-FSA-03/84.

 

‘Sampling toothfish from longlines with unequal probabilities.’ – J.R. Ashford. CCAMLR Sci. Papers 2003: WG-FSA-03/85.

 

‘Age-at-length of Patagonian toothfish from South Georgia.’- J.R. Ashford, M. Belchier, C.M. Jones, and S. Bobko. CCAMLR Sci. Papers 2002: WG-FSA-02/75

 

‘Age-at-length of Patagonian toothfish from the Falkland Islands.’- J.R. Ashford, A. Arkhipkin, C.M. Jones, and S. Bobko. CCAMLR Sci. Papers 2002: WG-FSA-02/74

 

‘Using hierarchical methods for sub-sampling hauls taken by trawl during fisheries surveys.’ J.R. Ashford and C.D. Jones. CCAMLR Sci. Papers 2001: WG-FSA-01/68.

 

‘Results and standing stock biomass estimates of finfish from the 2001 US AMLR bottom trawl survey of the South Shetland Islands (Subarea 48.1).’ - C.D. Jones, K.-H. Kock, D. Ramm, J. Ashford, S. Wilhelms, T. Near, N. Gong, and H. Flores. CCAMLR Sci. Papers 2001: WG-FSA-01/33 Rev.1.

 

‘Stock structure and growth in Patagonian toothfish (Dissostichus eleginoides) in the Southern Ocean.’ – J.R. Ashford, C.M. Jones, and I. Everson. CCAMLR Sci. Papers 2000: WG-FSA-00/44.

 

‘An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths.’ - J.R. Ashford and P. Horn. CCAMLR Sci. Papers 1999: WG-FSA-99/56.

 

‘Criteria for aging the otoliths of Dissostichus eleginoides from South Georgia (Sub-area 48.3) and an analysis of aging precision.’ J.R. Ashford and S. Wischniowski. CCAMLR Sci. Papers 1998: WG-FSA-98/52.

 

‘A protocol for randomised sampling of longlines in the Southern Ocean fishery for Dissostichus eleginoides.’ - J.R.Ashford, G. Duhamel, and M. Purves. CCAMLR Sci. Papers 1998: WG-FSA-98/60.

 

‘An assessment of longlining operations for Dissostichus eleginoides on board the Chilean-registered longliner B/F Cisne Verde during March-May 1997 around South Georgia (Sub-area 48.3).’ - J.R. Ashford and I. Everson. CCAMLR Sci. Papers 1997: WG-FSA-97/41.

 

‘Protocol for a randomised sampling design for use in the longline fishery for Dissostichus eleginoides.’ - J.R. Ashford and G. Duhamel. CCAMLR Sci. Papers 1997: WG-FSA-97/4

 

‘A randomised sampling design used in the longline fishery for Dissostichus eleginoides in the southern Indian Ocean.’ - J.R.Ashford and G.Duhamel. CCAMLR Sci. Papers 1996: WG-FSA-96/56.

 

‘A shore-based sampling design used in the artisanal longline fishery for Dissostichus eleginoides off central Chile.’ - J.R. Ashford, P. Rubilar, and C.M. Jones.  CCAMLR Sci. Papers 1996: WG-FSA- 96/54.

‘

Depletion experiment of Dissostichus eleginoides stock in the south of South Georgia Island (Antarctica).’ -  P.S. Rubilar, C.A.Moreno, and J.R. Ashford. CCAMLR Sci. Papers 1994: WG- FSA-94/31.

 

‘An exploratory fishing expedition for Dissostichus eleginoides off the South Sandwich Islands, Antarctica.’  - P.S. Rubilar, C.A.Moreno, J.R. Ashford and I. Everson. CCAMLR Sci. Papers 1993: SC-CAMLR-XII/BG/4.

 

 

Other reports and presentations

 

‘Radiometric age validation of Antarctic toothfish.’ C.M. Brooks, A.H. Andrews, J.R. Ashford, G.M. Cailliet. Poster presentation at 137th Meeting of the American Fisheries Society (2007), Anchorage, Alaska.

 

‘Challenges to estimating blue crab harvest by anglers in Chesapeake Bay: private versus public.’ J.R. Ashford and C.M. Jones. Oral presentation at 136th Meeting of the American Fisheries Society (2006), Lake Placid, New York.

 

‘Can stable isotope chemistry distinguish different sources of krill in the Southern Ocean?’ – C. Kraetsch and J. Ashford. Student poster presented under NSF Research Experience for Undergraduates program, at American Society of Limnology and Oceanography, Aquatic Sciences Meeting 2006, Hawaii.

 

‘Survey of the blue crab recreational fishery in Maryland, 2005.’ – J.R. Ashford and C.M. Jones. ODU Research Foundation Report (2005), Project 551371.  

 

‘Oxygen and carbon stable isotopes in otoliths record population isolation of Patagonian toothfish (Dissostichus eleginoides).’ K. Underkoffler, J.R. Ashford, and C.M. Jones. Oral presentation at 135th Meeting of the American Fisheries Society (2005), Anchorage, Alaska.

 

‘Otolith nucleus chemistry suggests spatial linkages in the population structure of Patagonian toothfish (Dissostichus eleginoides).’ J.R. Ashford, C.M. Jones and I. Everson. Poster presentation at 135th Meeting of the American Fisheries Society (2005), Anchorage, Alaska.

 

‘Can elemental markers distinguish between Antarctic krill populations in the Weddell Sea and the South Shetland Islands?’ – B. Williams and J.R. Ashford. Student poster presented under NSF Research Experience for Undergraduates program, at American Society of Limnology and Oceanography, Aquatic Sciences Meeting 2005, Salt Lake City, Utah.

 

‘Using otolith elemental signatures to examine population structure of Patagonian toothfish (Dissostichus eleginoides).’ - J.R. Ashford, A. Arkhipkin and C.M. Jones. Oral presentation at 134th Meeting of the American Fisheries Society (2004), Madison, Wisconsin.

 

‘Survey of the Maryland blue crab recreational fishery 2002.’ - J.R. Ashford and C.M. Jones. ODU Research Foundation Report (2002), Project 514302.

 

‘Recreational fishing for blue crab in the Chesapeake Bay.’ – J.R. Ashford and C.M. Jones. Oral presentation at 132nd Meeting of the American Fisheries Society (2002), Baltimore, Maryland.

 

‘Survey of the blue crab recreational fishery in the Chesapeake Bay, 2001.’ – J.R. Ashford and C.M. Jones. ODU Research Foundation Final Report (2002), Project 514301.  

 

‘Spatial structure of population growth in Patagonian toothfish (Dissostichus eleginoides) in the Southern Ocean.’ – Julian Ashford and Cynthia Jones. Poster presented at  Fisheries Society of the British Isles 2000 Annual International Symposium on Biology of Polar Fish. 

 

‘Paradigms lost.’ – J.R. Ashford. Letters to Science (1999), 284: 591.

‘Studies on incremental structures in Antarctic fish otoliths.’ – Martin White and Julian Ashford. Poster presented at Second International Otolith Symposium (1993), Hilton Head, South Carolina.