Publication - Factsheet

Marine science: directory of scientists

Published: 23 Nov 2019

Details of scientists working for the Marine Scotland Directorate, with some supporting documents attached.

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Marine science: directory of scientists
Dr Rob Fryer

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Dr Rob Fryer

Telephone:  +44 (0)131 244 3395

E-mail: Rob.Fryer@gov.scot

Address: Marine Scotland, Marine Laboratory, 375 Victoria Road, ABERDEEN, AB11 9DB

Research Interests

Much of my work currently involves the development of mixed models involving smoothers: in particular, methods for combining smooth curves that vary randomly between units. Applications include fishing gear size selection data and chemical time series. I am also interested in state space models for stock assessment.

Collaborations

I collaborate with scientists throughout Europe involved in the OSPAR, HELCOM and AMAP contaminant monitoring programmes, and with those conducting the EEA assessments of contaminants in fish. I also collaborate on various gear selection and fisheries projects.

External Committees and Responsibilities

I am a UK delegate on OSPAR MIME, where I am responsible for producing the annual assessment of contaminants and biological effects in the OSPAR area. I am a member of CSSEG, where I advise on statistical aspects of the UK's contaminant and biological effects monitoring programmes.

Most Recent Publications

  • Holmes SJ, Millar CP, Fryer RJ, Wright PJ, 2014.  Gadoid dynamics: differing perceptions when contrasting stock versus population trends and its implications to management.  ICES Journal of Marine Science; doi:10.1093/icesjms/fsu075.
  • Boulcott P, Millar CP, Fryer RJ, 2014.  Impact of scallop dredging on benthic epifauna in a mixed substrate habitat.  ICES Journal of Marine Science; doi:10.1093/icesjms/fst197.
  • O’Neill FG, Lines EK, Kynoch RJ, Fryer RJ, Maguire S, 2014.  A short-term economic assessment of incentivized selective gears.  Fisheries Research 157 13-23; doi: 10.1016/j.fishres.2014.03.010.        
  • Pert CC, Fryer RJ, Cook P,  Kilburn R, McBeath S, McBeath A, Matejusova I, Urquhart K, Weir SJ, McCarthy U, Collins C, Amundrud T, Bricknell IR, 2014.  Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, Scotland.  Aquaculture Environmental Interactions 5 49-59; doi: 10.3354/aei00094.
  • Reilly T, Fraser HM, Fryer RJ, Clarke J, Greenstreet SPR, 2014.  Interpreting variation in fish-based food web indicators: the importance of ‘bottom-up limitation’ and ‘top-down control’ processes.  ICES Journal of Marine Science 71 406–416; doi:10.1093/icesjms/fst137.

Full publications list

  1. Hall SJ, Raffaelli D, Basford DJ, Robertson MR, Fryer RJ, 1990.  The feeding relationships of the larger fish species in a Scottish sea loch.  Journal of Fish Biology, 37: 775‑791.
  2. Cook RM, Kunzlik PA, Fryer RJ, 1991.  On the quality of North Sea cod stock forecasts.  ICES Journal of Marine Science, 48: 1‑13.
  3. Fryer RJ, 1991.  A model of between‑haul variation in selectivity.  ICES Journal of Marine Science, 48: 281‑290.
  4. Nicholson MD, Fryer RJ, 1992.  The statistical power of monitoring programmes.  Marine Pollution Bulletin, 24: 146‑149.
  5. Reeves SA, Armstrong DW, Fryer RJ, Coull KA, 1992.  The effects of mesh size, cod‑end extension length and cod‑end diameter on the selectivity of Scottish trawls and seines.  ICES Journal of Marine Science, 49: 279‑288.
  6. Fryer RJ, Nicholson MD, 1993.  The power of a contaminant monitoring programme to detect linear trends and incidents.  ICES Journal of Marine Science, 50: 161‑168.
  7. Hall SJ, Robertson MR, Basford DJ, Fryer RJ, 1993.  Pit‑digging by the crab Cancer pagarus: a test for long‑term, large‑scale effects on infaunal community structure.  Journal of Animal Ecology, 62: 59‑66.
  8. Galbraith RD, Fryer RJ, Maitland KMS, 1994.  Demersal pair trawl cod‑end selectivity models.  Fisheries Research, 20: 13‑27.
  9. Kelly AG, Wells DE, Fryer RJ, 1994.  Sampling strategy to detect a change in concentration of trace organic contaminants in marine sediment.  Science of the Total Environment, 144: 217‑230.
  10. Elliott JM, Hurley MA, Fryer RJ, 1995.  A new, improved growth model for brown trout, Salmo trutta. Functional Ecology, 9: 290-298.
  11. Gallego A, Heath MR, Fryer RJ, 1995.  Premature schooling of larval herring in the presence of more advanced conspecifics.  Animal Behaviour, 50: 333-341.
  12. Fryer RJ, Shepherd JG, 1996.  Models of codend size selection.  Journal of Northwest Atlantic Fishery Science, 19:  51-58.
  13. Nicholson MD, Fryer RJ, 1996.  The art of monitoring.  Knowing when to start - and when to stop.  German Journal of Hydrography, Supplement 6: 123-132.
  14. Simmonds EJ, Fryer RJ, 1996.  Which are better, random or systematic acoustic surveys?  A simulation using North Sea herring as an example.  ICES Journal of Marine Science, 53: 39-50.
  15. Nicholson MD, Fryer RJ, Ross CA, 1997.  Designing monitoring programmes for detecting temporal trends in contaminants in fish and shellfish.  Marine Pollution Bulletin, 34: 821-826.
  16. Stratoudakis Y, Fryer RJ, Pierce GJ, Cook RM, 1997.  Differences in life history features of long rough dab Hippoglossoides platessoides within Scottish waters.  Marine Ecology Progress Series 158: 303‑306.
  17. Nicholson MD, Fryer RJ, Maxwell D, 1998.  Multivariate trends in groups of phytoplankton species in the North Sea.  ICES Journal of Marine Science 55: 581-586.
  18. Stratoudakis Y, Fryer RJ, Cook RM, 1998.  Discarding practices for commercial gadoids in the North Sea. Canadian Journal of Fisheries and Aquatic Sciences 55: 1632-1644.
  19. Fryer RJ, Nicholson MD, 1999.  Using smoothers for comprehensive assessments of contaminant time series in marine biota.  ICES Journal of Marine Science, 56: 779-790.
  20. Stratoudakis Y, Fryer RJ, Cook RM, Pierce GJ, 1999.  Fish discarded from Scottish demersal vessels; estimators of total discards and annual estimates for targeted gadoids.  ICES Journal of Marine Science, 56: 592-605.
  21. Millar RB, Fryer RJ, 1999.  Estimating the size-selection curves of towed gears, traps, nets, and hooks. Reviews in Fish Biology and Fisheries; 9: 89-116; doi 10.1023/A:1008838220001.
  22. Webster L, McIntosh AD, Moffat CF, Dalgarno EJ, Brown NA, Fryer RJ, 2000.  Analysis of sediments from Shetland Island voes for polycyclic aromatic hydrocarbons, steranes and triterpanes.  Journal of Environmental Monitoring 2: 29-38.
  23. Stratoudakis Y, Fryer RJ, Cook RM, Pierce GJ, Coull KA, 2001.  Fish bycatch and discarding in Nephrops trawlers in the Firth of Clyde (west of Scotland).  Aquatic Living Resources 14: 283-291.
  24. Webb JH, Fryer RJ, Taggart JB, Thompson CE, Youngson AF, 2001.  Dispersion of Atlantic salmon (Salmo salar) fry from competing families as revealed by DNA fingerprinting.  Canadian Journal of Fisheries and Aquatic Sciences 58: 2386-2395.
  25. Webster L, Fryer RJ, Dalgarno EJ, Megginson C, Moffat CF, 2001.  The polycyclic aromatic hydrocarbon and geochemical biomarker composition of sediments from voes and coastal areas in the Shetland and Orkney Islands.  Journal of Environmental Monitoring 3: 591-601.
  26. Zuur G, Fryer RJ, Ferro RST, Tokai T, 2001.  Modelling the size selectivities of a trawl cod-end and an associated square mesh panel.  ICES Journal of Marine Science 58: 657‑671.
  27. Fryer RJ, Nicholson MD, 2002.  Assessing covariate-dependent contaminant time-series in the marine environment.  ICES Journal of Marine Science 59: 1-14.
  28. Gowland B, Webster L, Fryer R, Davies I, Moffat C, Stagg R, 2002.  Uptake and effects of the cypermethrin-containing sea lice treatment Excis® in the marine mussel, Mytilus edulis.  Environmental pollution 120: 805-811.
  29. Nicholson MD, Fryer RJ, 2002.  Developing effecting environmental indicators – does a new dog need old tricks?  Marine Pollution Bulletin 45: 53-61.
  30. Youngson AF, MacLean JC, Fryer RJ, 2002.  Rod catch trends for early-running MSW salmon in Scottish rivers (1952-1997): divergence among stock components.  ICES Journal of Marine Science, 59: 836-849.
  31. Zuur G, Garthwaite PH, Fryer RJ, 2002.  Practical use of MCMC methods: lessons from a case study.  Biometrical Journal 44: 433-455.
  32. Fryer RJ, Zuur AF, Graham N, 2003.  Using mixed models to combine smooth size-selection and catch-comparison curves over hauls.  Canadian Journal of Fisheries and Aquatic Sciences 60: 448-459.
  33. Graham N, Kynoch RJ, Fryer RJ, 2003.  Square mesh panels in demersal trawls: further data relating haddock and whiting selectivity to panel position.  Fisheries Research 62/3: 361-375.
  34. Zuur AF, Fryer RJ, Jolliffe IT, Dekker R, Beukema JJ, 2003.  Estimating common trends in multivariate time series using dynamic factor analysis.  Environmetrics 14: 665-685.
  35. Graham N, O’Neill FG, Fryer RJ, Galbraith RD, Myklebust A, 2004.  Selectivity of a 120mm diamond cod-end and the effect of inserting a grid or a square mesh panel.  Fisheries Research 67: 151-161.
  36. Webster L, Fryer RJ, Megginson C, Dalgarno EJ, McIntosh AD, Moffat CF, 2004.  The polycyclic aromatic hydrocarbon and geochemical biomarker composition of sediments from sea lochs on the west coast of Scotland.  Journal of Environmental Monitoring 6: 219-228.
  37. Marçalo A, Mateus L, Correia JHD, Serra P, Fryer R, Stratoudakis Y, 2006.  Sardine (Sardina pilchardus) stress reactions to purse seine fishing.  Marine Biology 149:1509-1518.
  38. Graham N, Fryer RJ, 2006. Separation of fish from Nephrops norvegicus into a two-tier cod-end using a selection grid.  Fisheries Research, 82:111-118.
  39. O’Neill FG, Kynoch RJ, Fryer RJ, 2006.  Square mesh panels in North Sea demersal trawls: separate estimates of panel and cod-end selectivity.  Fisheries Research 78: 333-341.
  40. O’Shea B, Mordue (Luntz) AJ, Fryer RJ, Pert CC, Bricknell IR, 2006.  Determination of the surface area of a fish.  Journal of Fish Diseases 29: 437-440.
  41. Bullough LW, Napier IR, Laurenson CH, Riley D, Fryer RJ, Ferro RST, Kynoch RJ, 2007.  A year-long trial of a square mesh panel in a commercial demersal trawl.  Fisheries Research, 83: 105-112.
  42. Fonteyne R, Buglioni G, Leonori I, O’Neill FG, Fryer RJ, 2007  Laboratory and field trials of OMEGA, a new objective mesh gauge.  Fisheries Research 85: 197-201.
  43. Ferro RST, Jones EG, Kynoch RJ, Fryer RJ, Buckett B-E, 2007  Separating species using a horizontal panel in the Scottish North Sea whitefish trawl fishery.  ICES Journal of Marine Science 64: 1543-1550; doi 10.1093/icesjms/fsm099.
  44. Sala A, O’Neill FG, Buglioni G, Lucchetti A, Palumbo V, Fryer RJ, 2007  Experimental method for quantifying the resistance to the opening of netting panels.  ICES Journal of Marine Science 64: 1573‑1578; doi 10.1093/icesjms/fsm113.
  45. Fourrier MCS, Munro ES, Fryer RJ, Hastings TS, 2007.  Long term monitoring of the virus susceptibility of five established fish cell lines.  Bulletin of the European Association of Fish Pathologists 27:192-199.
  46. Holmes SJ, Wright PJ, Fryer RJ, 2008.  Evidence from survey data for regional variability in cod dynamics in the North Sea and West of Scotland.  ICES Journal of Marine Science 65: 206-215; doi 10.1093/icesjms/fsm192.
  47. Urquhart K, Pert CC, Kilburn R, Fryer RJ, Bricknell IR, 2008.  Prevalence, abundance, and distribution of Lepeoptheirus salmonis (Krøyer, 1837) and Caligus elongatus (Nordmann, 1832) on wild sea trout Salmo trutta L.  ICES Journal of Marine Science 65: 171-173; doi 10.1093/icesjms/fsm188.
  48. Russell M, Webster L, Walsham P, Packer G, Dalgarno, McIntosh AD, Fryer RJ, Moffat CF, 2008. Composition and concentration of hydrocarbons in sediment samples from the oil producing area of the East Shetland Basin, Scotland.  Journal of Environmental Monitoring 10: 559-569; doi 10.1039/b715765g.
  49. Fraser HM, Greenstreet SPR, Fryer RJ, Piet GJ, 2008. Mapping spatial variation in demersal fish species diversity and composition in the North Sea: accounting for species- and size-related catchability in survey trawls.  ICES Journal of Marine Science 65: 531-538; doi 10.1093/icesjms/fsn036.
  50. O’Neill FG, Graham N, Kynoch RJ, Ferro RST, Kunzlik PA, Fryer RJ, 2008.  The effect of varying cod-end circumference, inserting a ‘flexi-grid’ or inserting a Bacoma type panel on the selectivity of North Sea haddockFisheries Research 94: 175-183.
  51. Neat FC, Wright PJ, Fryer RJ, 2008.  Temperature effects on otolith pattern formation in Atlantic cod (Gadus morhua).  Journal of Fish Biology 73: 2527-2541; doi 10.1111/j.1095-8649.2008.02107.x.
  52. Pert CC, Mordue (Luntz) AJ, Fryer RJ, O’Shea B, Bricknell IR, 2009.  The settlement and survival of the salmon louse, Lepeophtheirus salmonis (Krøyer, 1837), on atypical hosts.  Aquaculture 288: 321-324; doi 10.1016/j.aquaculture.2008.12.005.
  53. Urquhart K, Bowden TJ, Buckett B-E, Garcia J, Fryer RJ, Ellis AE, 2009.  Experimental study of the susceptibility of Atlantic cod, Gadus morhua (L.), to infection with an IPNV strain pathogenic for Atlantic salmon, Salmo salar L.  Journal of Fish Diseases 32: 447-456; doi 10.1111/j.1365-2761.2009.01036.x.
  54. Mesnil B, Cotter J, Fryer RJ, Needle CL, Trenkel VM, 2009.  A review of fishery-independent assessment models, and initial evaluation based on simulated data.  Aquatic Living Resources 22: 207-216; doi 10.1051/alr/2009003.
  55. Barry J, Boyd S, Fryer R, 2009.  Modelling the effects of marine aggregate extraction on benthic assemblages.  Journal of the Marine Biological Association 90: 105-114; doi 10.1017/S0025315409990737.
  56. Urquhart K, Pert CC, Fryer RJ, Cook P, Weir S, Kilburn R, McCarthy U, Simons J, McBeath SJ, Matejusova I, Bricknell IR, 2010.  A survey of pathogens and metazoan parasites on wild sea trout (Salmo trutta L.) in Scottish waters.  ICES Journal of Marine Science 67: 444-453; doi 10.1093/icesjms/fsp271. 
  57. Campbell R, Harcus T, Weirman D, Fryer RJ, Kynoch RJ, O’Neill FG, 2010.  The reduction of cod discards by inserting 300mm diamond mesh netting in the forward sections of a trawl gear.  Fisheries Research 102: 221-226.
  58. Harrald M, Neat FC, Wright PJ, Fryer RJ, Huntingford FA, 2010.  Population variation in thermal growth responses of juvenile Atlantic cod (Gadus morhua L.).  Environmental Biology of Fishes 87 187-194; doi 10.1007/s10641-010-9586-0.
  59. Heffernan J, Barry J, Devlin M, Fryer R, 2010.  A simulation tool for designing nutrient monitoring programmes for eutrophication assessments.  Environmetrics 21: 3-20; doi 10.1002env.980.
  60. Drewery J, Bova B, Kynoch RJ, Edridge A, Fryer RJ, O’Neill FG, 2010.  The selectivity of the Swedish grid and 120mm square mesh panels in the Scottish Nephrops trawl fishery.  Fisheries Research 106 454–459; doi 10.1016/j.fishres.2010.09.020.
  61. Greenstreet SPR, Rogers SI, Rice JC, Piet GJ, Guirey EJ, Fraser HM, Fryer RJ, 2011.  Development of the EcoQO for the North Sea fish community.  ICES Journal of Marine Science 68 1-11; doi 10.1093/icesjms/fsq156.
  62. Kynoch RJ, O’Neill FG, Fryer RJ, 2011.  Test of 300 and 600mm netting in the forward sections of a Scottish whitefish trawl.  Fisheries Research 108 277-282; doi:10.1016/j.fishres.2010.12.019.
  63. Imholt C, Malcolm IA, Bacon PJ, Gibbins CN, Soulsby C, Miles M, Fryer RJ, 2011.  Does diurnal temperature variability affect growth in juvenile Atlantic salmon Salmo salar?  Journal of Fish Biology doi 10.1111/j.1095-8649.2010.02838.x
  64. Malcolm IA, Youngson AF, Soulsby C, Imholt C, Fryer RJ, 2011.  Is interstitial velocity a good predictor of salmonid embryo survival?  Transactions of the American Fisheries Society 140 898-904; doi 10.1080/00028487.2011.601216.
  65. Fernandes PG, Coull K, Davis C, Clark P, Catarino R, Bailey N, Fryer R, Pout A, 2011.  Observations of discards in the Scottish mixed demersal trawl fishery.  ICES Journal of Marine Science 68 1734-1742; doi 10.1093/icesjms/fsr131. 
  66. Moffat CF, Webster L, Fryer R, 2011.  Classical chemical monitoring of the marine environment.  In: Chemical marine monitoring: policy framework and analytical trends; Quevauviller P, Roose P, Verreet G, (eds).  Wiley.
  67. McIntosh AD, Fryer RJ, Webster L, 2012.  Long-term fate of polycyclic aromatic hydrocarbons (PAH) in sediments from Loch Leven after closure of an aluminium smelter.  Journal of Environmental Monitoring 14 1335–1344;  doi10.1039/C2EM11006G.
  68. Millidine KJ, Malcolm IA, Gibbins CN, Fryer RJ, Youngson AF, 2012.  The influence of canalisation on juvenile salmonid habitat.  Ecological Indicators 23 262–273; doi10.1016/j.ecolind.2012.04.004. 
  69. Middlemas SJ, Fryer RJ, Tulett D, Armstrong JD, 2013.  The relationship between sea lice levels on sea trout and fish farm activity in western Scotland.  Fisheries Management and Ecology 20 68‑74.
  70. Malcolm IA, Gibbins CN, Fryer RJ, Keay J, Tetzlaff D, Soulsby C, 2014.  The influence of forestry on acidification and recovery: insights from long-term hydrochemical and invertebrate data.  Ecological Indicators 37 317–329; doi10.1016/j.ecolind.2011.12.011.
  71. Malcolm IA, Bacon PJ, Middlemas SJ, Fryer RJ, Shilland EW, Collen, P, 2014.  Relationships between hydrochemistry and the presence of brown trout (Salmo trutta) in headwater streams recovering from acidification.  Ecological Indicators 37 351–364; doi10.1016/j.ecolind.2012.02.029.
  72. Reilly T, Fraser HM, Fryer RJ, Clarke J, Greenstreet SPR, 2014.  Interpreting variation in fish-based food web indicators: the importance of ‘bottom-up limitation’ and ‘top-down control’ processes.  ICES Journal of Marine Science 71 406–416; doi10.1093/icesjms/fst137.
  73. Pert CC, Fryer RJ, Cook P,  Kilburn R, McBeath S, McBeath A, Matejusova I, Urquhart K, Weir SJ, McCarthy U, Collins C, Amundrud T, Bricknell IR, 2014.  Using sentinel cages to estimate infestation pressure on salmonids from sea lice in Loch Shieldaig, ScotlandAquaculture Environmental Interactions 5 49-59; doi 10.3354/aei00094.
  74. O’Neill FG, Lines EK, Kynoch RJ, Fryer RJ, Maguire S, 2014.  A short-term economic assessment of incentivized selective gears.  Fisheries Research 157 13-23; doi 10.1016/j.fishres.2014.03.010.
  75. Boulcott P, Millar CP, Fryer RJ, 2014.  Impact of scallop dredging on benthic epifauna in a mixed substrate habitat.  ICES Journal of Marine Science; doi 10.1093/icesjms/fst197.
  76. Holmes SJ, Millar CP, Fryer RJ, Wright PJ, 2014.  Gadoid dynamics: differing perceptions when contrasting stock versus population trends and its implications to management.  ICES Journal of Marine Science; doi 10.1093/icesjms/fsu075.

Contact

Post:
Marine Scotland
Mailpoint 11
1B South
Victoria Quay
EDINBURGH
EH6 6QQ

Telephone:
0300 244 4000

Email:
marinescotland@gov.scot