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  • E-mailAudrey.Geffen@uib.no
  • Phone+47 55 58 44 35
  • Visitor Address
    53B Thormøhlensgate
    Bergen
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    2G17
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    Postboks 7803
    5020 Bergen

Fish Biology, Aquaculture, Larval Fish Biology, Age and Growth, Otolith Shape and Microchemistry

  • Franco, Sofia C.; Augustin, Christina; Geffen, Audrey J.; Dinis, Maria Teresa. 2017. Growth, egg production and hatching success of Acartia tonsa cultured at high densities. Aquaculture. 468: 569-578. doi: 10.1016/j.aquaculture.2016.10.044
  • Westgaard, Jon-Ivar; Staby, Arved; Godiksen, Jane Aanestad; Geffen, Audrey J.; Svensson, Anders; Charrier, Gregory; Svedäng, Henrik; André, Carl. 2017. Large and fine scale population structure in European hake (Merluccius merluccius) in the Northeast Atlantic. ICES Journal of Marine Science. 74: 1300-1310. doi: 10.1093/icesjms/fsw249
  • Geffen, Audrey J.; Morales-Nin, Beatriz; Gillanders, Bronwyn M. 2016. Fish otoliths as indicators in ecosystem based management: Results of the 5th International Otolith Symposium (IOS2014). Marine and Freshwater Research. 67: i-iv. doi: 10.1071/MFv67n7_ED
  • Werner, Karl-Michael; Staby, Arved; Geffen, Audrey J. 2016. Temporal and spatial patterns of reproductive indices of European hake (Merluccius merluccius) in the northern North Sea and Norwegian coastal areas. Fisheries Research. 183: 200-209. doi: 10.1016/j.fishres.2016.06.008
  • Andersson, Carin; Geffen, Audrey J. 2015. Hvordan studere havets og klimaets historie? 4, pages 28-34. In:
    • Høyer, Jo. 2015. Årbok for Universitetsmuseet i Bergen 2015. 102 pages. ISBN: 978-82-7887-040-2.
  • Geffen, Audrey J.; Pittman, Karin; Imsland, Albert. 2015. Synergies between aquaculture and fisheries. Chapter 17, pages 491-518. In:
    • Gibson, Robin N.; Nash, Richard David Marriott; Geffen, Audrey J.; Van der Veer, Henk. 2015. Flatfishes, Biology and Exploitation, 2nd edition. Wiley-Blackwell. 576 pages. ISBN: 978-1-118-50119-1.
  • Gibson, Robin N.; Nash, Richard David Marriott; Geffen, Audrey J.; Van der Veer, Henk. 2015. Flatfishes, Biology and Exploitation, 2nd edition. Wiley-Blackwell. 576 pages. ISBN: 978-1-118-50119-1.
  • Maneja, Rommel Hilot; Frommel, Andrea Y.; Browman, Howard; Geffen, Audrey J.; Folkvord, Arild; Piatkowski, Uwe; Durif, Caroline; Bjelland, Reidun Marie; Skiftesvik, Anne Berit; Clemmesen, Catriona M. 2015. The swimming kinematics and foraging behavior of larval Atlantic herring (Clupea harengus L.) are unaffected by elevated pCO2. Journal of Experimental Marine Biology and Ecology. 466: 42-48. doi: 10.1016/j.jembe.2015.02.008
  • Morales-Nin, Beatriz; Geffen, Audrey J. 2015. The use of calcified tissues as tools to support management: The view from the 5th international otolith symposium. ICES Journal of Marine Science. 72: 2073-2078. doi: 10.1093/icesjms/fsv150
  • Nash, Richard David Marriott; Geffen, Audrey J. 2015. Age and Growth. Chapter 9, pages 207-241. In:
    • Gibson, Robin N.; Nash, Richard David Marriott; Geffen, Audrey J.; Van der Veer, Henk. 2015. Flatfishes, Biology and Exploitation, 2nd edition. Wiley-Blackwell. 576 pages. ISBN: 978-1-118-50119-1.
  • Ciotti, Benjamin J.; Targett, Timothy E.; Nash, Richard David Marriott; Geffen, Audrey J. 2014. Growth dynamics of European plaice Pleuronectes platessa L. in nursery areas: A review. Journal of Sea Research. 90: 64-82. doi: 10.1016/j.seares.2014.02.010
  • Frommel, Andrea Y.; Maneja, Rommel; Lowe, David; Pascoe, Christine K.; Geffen, Audrey J.; Folkvord, Arild; Piatkowski, Uwe; Clemmesen, Catriona. 2014. Organ damage in Atlantic herring larvae as a result of ocean acidification. Ecological Applications. 24: 1131-1143. doi: 10.1890/13-0297.1
  • Maneja, Rommel Hilot; Dineshram, R.; Thiyagarajan, Vengatesen; Skiftesvik, Anne Berit; Frommel, Andrea Y.; Clemmesen, Catriona; Geffen, Audrey J.; Browman, Howard. 2014. The proteome of Atlantic herring (Clupea harengus L.) larvae is resistant to elevated pCO2. Marine Pollution Bulletin. 86: 154-160. doi: 10.1016/j.marpolbul.2014.07.030
  • Milano, Ilaria; Babbucci, Massimiliano; Cariani, Alassia; Atanassova, Miroslava; Bekkevold, Dorte; Carvalho, Gary R.; Espineira, Montserrat; Fiorentino, Fabio; Garofalo, Germana; Geffen, Audrey J.; Hansen, Jacob H.; Helyar, Sarah J.; Nielsen, Einar Eg; Ogden, Rob; Patarnello, Tomaso; Stagioni, Marco; Tinti, Fausto; Bargelloni, Luca. 2014. Outlier SNP markers reveal fine-scale genetic structuring across European hake populations (Merluccius merluccius). Molecular Ecology. 23: 118-135. doi: 10.1111/mec.12568
  • Morales-Nin, Beatriz; Pérez-Mayol, Silvia; Palmer, Miquel; Geffen, Audrey J. 2014. Coping with connectivity between populations of Merluccius merluccius: An elusive topic. Journal of Marine Systems. 138: 211-219. doi: 10.1016/j.jmarsys.2014.04.009
  • Chang, Mei-Yu; Geffen, Audrey J. 2013. Taxonomic and geographic influences on fish otolith microchemistry. Fish and Fisheries. 14: 458-492. doi: 10.1111/j.1467-2979.2012.00482.x
  • Comerford, Stephen; Brophy, Deirdre; Fox, Clive J.; Taylor, Natasha; van der Veer, Henk; Nash, Richard David Marriott; Geffen, Audrey J. 2013. Temperature effect on growth and larval duration of plaice Pleuronectes platessa in three regions of the Northeast Atlantic. Marine Ecology Progress Series. 476: 215-226. doi: 10.3354/meps10118
  • Exadactylos, Athanasios; Malandrakis, Emmanouil.E.; Panagiotaki, Panagiota; Geffen, Audrey J. 2013. The development of size variation in Dover sole, Solea solea and turbot, Scophthalmus maximus: genetic variability between different geographical and among year class farmed strains. Aquaculture Research. 44: 1912-1925. doi: 10.1111/j.1365-2109.2012.03196.x
  • Geffen, Audrey J.; Morales-Nin, Beatriz; Pérez-Mayol, Silvia; Cantarero-Roldan, Alicia M.; Skadal, Julie; Tovar-Sánchez, Antonio. 2013. Chemical analysis of otoliths: Cross validation between techniques and laboratories. Fisheries Research. 143: 67-80. doi: 10.1016/j.fishres.2013.01.005
  • Hemmer-Hansen, J; Nielsen, Einar Eg; Therkildsen, Nina Overgaard; Taylor, MI; Ogden, R; Geffen, Audrey J.; Bekkevold, Dorte; Helyar, S; Pampoulie, C; Johansen, Torild; Carvalho, GR. 2013. A genomic island linked to ecotype divergence in Atlantic cod. Molecular Ecology. 22: 2653-2667. doi: 10.1111/mec.12284
  • Higgins, Ruth M.; Danilowicz, Bret S.; Brophy, Deirdre; Geffen, Audrey J.; McGowan, Ted. 2013. Influence of the limit of detection on classification using otolith elemental signatures. Canadian Journal of Fisheries and Aquatic Sciences. 70: 922-929. doi: 10.1139/cjfas-2012-0464
  • Maneja, Rommel Hilot; Frommel, Andrea Y.; Browman, Howard; Clemmesen, Catriona; Geffen, Audrey J.; Folkvord, Arild; Piatkowski, Uwe; Durif, Caroline; Bjelland, Reidun Marie; Skiftesvik, Anne Berit. 2013. The swimming kinematics of larval Atlantic cod, Gadus morhua L., are resilient to elevated seawater pCO2. Marine Biology. doi: 10.1007/s00227-012-2054-y
  • Maneja, Rommel; Frommel, Andrea Y.; Geffen, Audrey J.; Folkvord, Arild; Piatkowski, Uwe; Chang, Mei-Yu; Clemmesen, Catriona. 2013. Effects of ocean acidification on the calcification of otoliths of larval Atlantic cod Gadus morhua. Marine Ecology Progress Series. 477: 251-258. doi: 10.3354/meps10146
  • Pittman, Karin; Yúfera, Manuel; Pavlidis, Michail; Geffen, Audrey J.; Koven, William; Ribeiro, Laura; Zambonino-Infante, José L.; Tandler, Amos. 2013. Fantastically plastic: fish larvae equipped for a new world. Reviews in Aquaculture. 5: S224-S267. doi: 10.1111/raq.12034
  • Chang, Mei-Yu; Geffen, Audrey J.; Košler, Jan; Dundas, Siv Hjorth; Maes, Gregory E. 2012. The effect of ablation pattern on LA-ICPMS analysis of otolith element composition in hake, Merluccius merluccius. Environmental Biology of Fishes. 95: 509-520. doi: 10.1007/s10641-012-0065-7
  • Dolphin, Alexis; Dundas, Siv Hjorth; Košler, Jan; Tvinnereim, Helene Meyer; Geffen, Audrey J. 2012. A comparison of techniques for measuring the trace element content of human teeth: laser ablation ICP-MS versus solution ICP-MS of micromilled enamel. International Journal of Analytical and Bioanalytical Chemistry. 2: 189-195.
  • Frommel, Andrea Y.; Maneja, Rommel; Lowe, David; Malzahn, Arne M.; Geffen, Audrey J.; Folkvord, Arild; Piatkowski, Uwe; Reusch, Thorsten B.H.; Clemmensen, Catriona. 2012. Severe tissue damage in Atlantic cod larvae under increasing ocean acidification. Nature Climate Change. 2: 42-46. doi: 10.1038/nclimate1324
  • Geffen, Audrey J. 2012. Otolith oxygen and carbon stable isotopes in wild and laboratory-reared plaice (Pleuronectes platessa). Environmental Biology of Fishes. 95: 419-430. doi: 10.1007/s10641-012-0033-2
  • Geffen, Audrey J.; Nash, Richard David Marriot. 2012. Egg development rates for use in egg production methods (EPMs) and beyond. Fisheries Research. 117–118: 48-62. doi: 10.1016/j.fishres.2011.01.002
  • Morales-Nin, Beatriz; Geffen, Audrey J.; Pérez-Mayol, Silvia; Palmer, Miquel; González-Quirós, Rafael; Grau, Amalia. 2012. Seasonal and ontogenic migrations of meagre (Argyrosomus regius) determined by otolith geochemical signatures. Fisheries Research. 127-128: 154-165. doi: 10.1016/j.fishres.2012.02.012
  • Morey, Gabriel; Morales-Nin, Beatriz; Riera, Francesc; Grau, Amalia; Geffen, Audrey J.; Pérez-Mayol, Silvia; Chang, Mei-Yu; Grau, Antoni M. 2012. Atlantic cod Gadus morhua in the Mediterranean: a surprising immigrant. Marine Ecology Progress Series. 467: 277-280. doi: 10.3354/meps09936
  • Nash, Richard David Marriot; Geffen, Audrey J. 2012. Mortality in the early life-history of fish: What can we learn from European plaice (Pleuronectes platessa L.)? Journal of Marine Systems. 93: 58-68. doi: 10.1016/j.jmarsys.2011.09.009
  • Nielsen, Einar Eg; Cariani, A; MacAoidh, E; Maes, Gregory E.; Milano, I; Ogden, Rob; Taylor, M; Hemmer-Hansen, Jakob; Babbucci, M; Bargelloni, L; Bekkevold, Dorte; Diopere, E; Grenfell, L; Heylar, S; Limborg, Morten; Martinsohn, Jann T.; McEwing, R; Panitz, Frank; Patarnello, T; Tinti, F; Van Houdt, J; Volckaert, F.A.M.; Waples, Robin S.; Carvalho, Gary R.; Albin, J.; Baptista, J.M.V.; Barmintsev, V; Bautista, JM; Bendixen, C; Berge, JP; Blohm, D; Cardazzo, B; Diez, A; Espineira, M; Geffen, Audrey J.; Gonzalez, E; Gonzalez-Lavin, N; Guarniero, I; Jerome, M; Kochzius, M; Krey, G; Mouchel, O; Negrisolo, E; Piccinetti, C; Puyet, A; Rastorguev, S; Smith, J.P.; Trentini, M; Verrez-Bagnis, V; Volkov, A; Zanzi, A. 2012. Gene-associated markers provide tools for tackling illegal fishing and false eco-certification. Nature Communications. 3. doi: 10.1038/ncomms1845
  • Skjæraasen, Jon Egil; Nash, Richard David Marriott; Korsbrekke, Knut; Fonn, Merete; Nilsen, Trygve; Kennedy, James; Nedreaas, Kjell Harald; Thorsen, Anders; Witthames, Peter R.; Geffen, Audrey J.; Høie, Hans; Kjesbu, Olav Sigurd. 2012. Frequent skipped spawning in the world's largest cod population. Proceedings of the National Academy of Sciences of the United States of America. 109: 8995-8999. doi: 10.1073/pnas.1200223109
  • Wang, Chia-Hui; Geffen, Audrey J.; Nash, Richard David Marriott. 2012. Geographical variations in the chemical compositions of Veined Squid Loligo forbesi statoliths. Zoological Studies. 51: 755-761.
  • Geffen, Audrey J.; Høie, Hans; Folkvord, Arild; Hufthammer, Anne Karin; Andersson, Carin; Ninnemann, Ulysses S; Pedersen, Rolf B.; Nedreaas, Kjell. 2011. High-latitude climate variability and its effect on fisheries resources as revealed by fossil cod otoliths. ICES Journal of Marine Science. 68: 1081-1089. doi: 10.1093/icesjms/fsr017
  • Geffen, Audrey J.; Nash, Richard David Marriot; Dau, Kirsten; Harwood, Andrew J.P. 2011. Sub-cohort dynamics of 0-group plaice, Pleuronectes platessa L., in the Northern Irish Sea: Settlement, growth and mortality. Journal of Experimental Marine Biology and Ecology. 400: 108-119. doi: 10.1016/j.jembe.2011.02.030
  • Geffen, Audrey J.; Nash, Richard David Marriot; Dickey-Collas, Mark. 2011. Characterization of herring populations west of the British Isles: an investigation of mixing based on otolith microchemistry. ICES Journal of Marine Science. 68: 1447-1458. doi: 10.1093/icesjms/fsr051
  • Kennedy, James; Skjæraasen, Jon Egil; Nash, Richard David Marriot; Slotte, Aril; Geffen, Audrey J.; Kjesbu, Olav S. 2011. Evaluation of the frequency of skipped spawning in Norwegian spring-spawning herring. Journal of Sea Research. 65: 327-332. doi: 10.1016/j.seares.2011.01.003
  • Martinsohn, Jann T.; Geffen, Audrey J.; Maes, Gregory E.; Nielsen, Einar Eg; Ogden, Rob; Waples, Robin S.; Carvalho, Gary R. 2011. Tracing fish and fish products from ocean to fork using advanced molecular technologies. Chapter 15. In:
    • Hoorfar, Jeffrey; Jordan, Kieran; Butler, Francis; Prugger, Raffaello. 2011. Food chain integrity: a holistic approach to food traceability, safety, quality and authenticity. Woodhead Publishing Limited. 384 pages. ISBN: 0-85709-068-2.
  • Meier, Sonnich; Morton, Hugh Craig; Andersson, Eva; Geffen, Audrey J.; Taranger, Geir Lasse; Larsen, Marita; Petersen, Marianne; Djurhuus, Rune; Klungsøyr, Jarle; Svardal, Asbjørn M. 2011. Low-dose exposure to alkylphenols adversely affects the sexual development of Atlantic cod (Gadus morhua): Acceleration of the onset of puberty and delayed seasonal gonad development in mature female cod. Aquatic Toxicology. 105: 136-150. doi: 10.1016/j.aquatox.2011.06.003
  • Ciotti, B.J.; Targett, T.E.; Nash, Richard David Marriot; Batty, R. S.; Burrows, M.T.; Geffen, Audrey J. 2010. Development, validation and field application of an RNA-based growth index in juvenile plaice Pleuronectes platessa. Journal of Fish Biology. 77: 2181-2209. doi: 10.1111/j.1095-8649.2010.02786.x
  • Cuveliers, EL; Geffen, Audrey J.; Guelinckx, J; Raeymaekers, JAM; Skadal, Julie; Volckaert, FAM; Maes, GE. 2010. Microchemical variation in juvenile Solea solea otoliths as a powerful tool for studying connectivity in the North Sea. Marine Ecology Progress Series. 401: 211-220. doi: 10.3354/meps08439
  • Dickey-Collas, Mark; Nash, Richard D. M.; Brunel, T; van Damme, C.J.G.; Marshall, C.T.; Payne, Mark R.; Corten, A; Geffen, Audrey J.; Peck, Myron A.; Hatfield, E.M.C.; Hintzen, N.T.; Enberg, Katja Susanna; Kell, L.T.; Simmonds, E.J. 2010. Lessons learned from stock collapse and recovery of North Sea herring: a review. ICES Journal of Marine Science. 67: 1875-1886. doi: 10.1093/icesjms/fsq033
  • Groison, Anne-Laure; Suquet, Marc; Cosson, Jacky; Mayer, Ian; Severe, Armelle; Bouquet, Jean-Marie; Geffen, Audrey J.; Utne-Palm, Anne Christine; Kjesbu, Olav Sigurd. 2010. Sperm motility in European hake, Merluccius merluccius, and characterization of its spermatozoa concentration and volume, spermatocrit, osmolality and pH. Aquaculture. 301: 31-36. doi: 10.1016/j.aquaculture.2010.01.026
  • Higgins, RM; Danilowicz, BS; Balbuena, JA; Danielsdottir, AK; Geffen, Audrey J.; Meijer, WG; Modin, J; Montero, FE; Pampoulie, C; Perdiguero-Alonso, D; Schreiber, A; Stefansson, MO; Wilson, B. 2010. Multi-disciplinary fingerprints reveal the harvest location of cod Gadus morhua in the northeast Atlantic. Marine Ecology Progress Series. 404: 197-206. doi: 10.3354/meps08492
  • Hufthammer, Anne Karin; Høie, Hans; Folkvord, Arild; Geffen, Audrey J.; Andersson, Carin; Ninnemann, Ulysses S. 2010. Seasonality of human site occupation based on stable oxygen isotope ratios of cod otoliths. Journal of Archaeological Science. 37: 78-83. doi: 10.1016/j.jas.2009.09.001
  • Meier, Sonnich; Morton, Craig H.; Nyhammer, Gunnar; Grøsvik, Bjørn Einar; Makhotin, Valeri; Geffen, Audrey J.; Boitsov, Stephan; Kvestad, Karen Anita; Kjersem, Anneli Bohne; Goksøyr, Anders; Folkvord, Arild; Klungsøyr, Jarle; Svardal, Asbjørn M. 2010. Development of Atlantic cod (Gadus morhua) exposed to produced water during early life stages: Effects on embryos, larvae, and juvenile fish. Marine Environmental Research. 70: 383-394. doi: 10.1016/j.marenvres.2010.08.002
  • Seljeset, Oddbjørn; Vollset, Knut Wiik; Folkvord, Arild; Geffen, Audrey J. 2010. The role of prey concentration and size range in the growth and survival of larval cod. Marine Biology Research. 6: 251-262. doi: 10.1080/17451000903150355
  • Therkildsen, Nina Overgaard; Nielsen, Einar Eg; Hüssy, Karin; Meldrup, Dorte; Geffen, Audrey J. 2010. Does DNA extraction affect the physical and chemical composition of historical cod (Gadus morhua) otoliths? ICES Journal of Marine Science. 67: 1251-1259. doi: 10.1093/icesjms/fsq016
  • Watts, Phillip C.; Kay, Suzanne M.; Wolfenden, Drew; Fox, Clive J.; Geffen, Audrey J.; Kemp, Stephen J.; Nash, Richard D.M. 2010. Temporal patterns of spatial genetic structure and effective population size in European plaice (Pleuronectes platessa) along the west coast of Scotland and in the Irish Sea. ICES Journal of Marine Science. 67: 607-616. doi: 10.1093/icesjms/fsp274
  • Geffen, Audrey J. 2009. Advances in herring biology: from simple to complex, coping with plasticity and adaptability. ICES Journal of Marine Science. 66: 1688-1695. doi: 10.1093/icesjms/fsp028
  • van der Veer, Henk; Bolle, Loes J.; Geffen, Audrey J.; Witte, J IJ. 2009. Interannual variability in larval plaice (Pleuronectes platessa L.) immigration in the western Dutch Wadden Sea: which factors are likely causing it? Marine Ecology Progress Series. 390: 213-223. doi: 10.3354/meps08176
  • van der Veer, Henk; Bolle, Loes J.; Geffen, Audrey J.; Witte, Johannes IJ. 2009. Variability in transport of fish eggs and larvae. IV. Interannual variability in larval stage duration of immigrating plaice in the Dutch Wadden Sea. Marine Ecology Progress Series. 390: 213-223. doi: 10.3354/meps08176
  • Høie, Hans; Folkvord, Arild; Mosegaard, Henrik; Li, Lingbo; Clausen, Lise A. Worsøe; Norberg, Birgitta; Geffen, Audrey. 2008. Restricted fish feeding reduces cod otolith opacity. Journal of Applied Ichthyology. 24: 138-143. doi: 10.1111/j.1439-0426.2007.01014.x
  • Li, Lingbo; Høie, Hans; Geffen, Audrey J.; Heegaard, Einar; Skadal, Julie; Folkvord, Arild. 2008. Back-calculation of previous fish size using individually tagged and marked Atlantic cod (Gadus morhua). Canadian Journal of Fisheries and Aquatic Sciences. 65: 2496-2508. doi: 10.1139/F08-157
  • Nash, Richard D.M.; Kjesbu, Olav S; Trippel, Edward A.; Finden, Heidi; Geffen, Audrey J. 2008. Potential variability in the paternal contribution to stock reproductive potential of Northeast Arctic cod (Gadus morhua). Journal of Northwest Atlantic Fishery Science. 41: 71-83. doi: 10.2960/J.v41.m619
  • Rowlands, William L.I.; Dickey-Collas, Mark; Geffen, Audrey J.; Nash, Richard David Marriot. 2008. Diet overlap and prey selection through metamorphosis in Irish Sea cod (Gadus morhua), haddock (Melanogrammus aeglefinus), and whiting (Merlangius merlangus). Canadian Journal of Fisheries and Aquatic Sciences. 65: 1297-1306. doi: 10.1139/F08-041
  • Exadactylos, Athanasios; Rigby, Mark J.; Geffen, Audrey; Thorpe, John P. 2007. Conservation aspects of natural populations and captive-bred stocks of turbot (Scophthalmus maximus) and Dover sole (Solea solea) using estimates of genetic diversity. ICES Journal of Marine Science. 64: 1173-1181. doi: 10.1093/icesjms/fsm086
  • Fox, Clive J.; Geffen, Audrey; Taylor, Natasha; Davison, Phil; Rossetti, Helen; Nash, Richard D.M. 2007. Birth-date selection in early life stages of plaice Pleuronectes platessa in the eastern Irish Sea (British Isles). Marine Ecology Progress Series. 345: 255-269. doi: 10.3354/meps06967
  • Geffen, Audrey; van der Veer, Henk W.; Nash, Richard David Marriot. 2007. The cost of metamorphosis in flatfishes. Journal of Sea Research. 58: 35-45. doi: 10.1016/j.seares.2007.02.004
  • Kennedy, James; Geffen, Audrey; Nash, R.D.M. 2007. Maternal influences on egg and larval characteristics of plaice (Pleuronectes platessa L.). Journal of Sea Research. 58: 65-77. doi: 10.1016/j.seares.2007.01.003
  • Morales-Nin, Beatriz; Geffen, Audrey; Cardona, Fede; Kruber, Claudia; Saborido-Rey, Francisco. 2007. The effect of Prestige oil ingestion on the growth and chemical composition of turbot otoliths. Marine Pollution Bulletin. 54: 1732-1741. doi: 10.1016/j.marpolbul.2007.07.007
  • Nash, R.D.M.; Geffen, Audrey; Burrows, M.T.; Gibson, R.N. 2007. Dynamics of shallow-water juvenile flatfish nursery grounds: application of the self-thinning rule. Marine Ecology Progress Series. 334: 231-244. doi: 10.3354/meps06933
  • Geffen, Audrey; Fox, Clive; Nash, R.D.M. 2006. Temperature-dependent development rates of cod (Gadus morhua L.) eggs. Journal of Fish Biology. 69: 1060-1080. doi: doi:10.1111/j.1095-8649.2006.0
  • Nash, R.D.M.; Valencia, AH; Geffen, Audrey. 2006. The origin of Fulton's condition factor - Setting the record straight. Fisheries (Bethesda, Md.). 31: 236-238.
  • Rowlands, W. Ll.; Dickey-Collas, Mark; Geffen, Audrey; Nash, R.D.M. 2006. Gape morphology of cod (Gadus morhua L.), haddock (Melanogrammus aeglefinus L.) and whiting (Merlangius merlangus L.) through metamorphosis from larvae to juveniles in the western Irish Sea. Journal of Fish Biology. 69: 1379-1395. doi: doi:10.1111/j.1095-8649.2006.0
  • Swan, Sarah C.; Geffen, Audrey; Gordon, John D.M.; Morales-Nin, Beatriz; Shimmield, Tracy. 2006. Effects of Handling and Storage Methods on the Concentrations of Elements in Seep-water Fish Otoliths. Journal of Fish Biology. 68: 891-904. doi: 10.1111/j.0022-1112.2006.00981.x
  • Swan, Sarah C.; Geffen, Audrey; Morales-Nin, Beatriz; Gordon, John D.M.; Shimmield, Tracy; Sawyer, Terrie; Massuti, Enric. 2006. Otolith chemistry: an aid to stock separation of Helicolenus dactylopterus (bluemouth) and Merluccius merluccius (European hake) in the Northeast Atlantic and Mediterranean. ICES Journal of Marine Science. 63: 504-513. doi: 10.1016/j.icesjms.2005.08.012
  • Tomás, Javier; Geffen, Audrey; Millner, Richard S.; Piñeiro, Carmen G.; Tserpes, George. 2006. Elemental composition of otolith growth marks in three geographically separated populations of European hake (Merluccius merluccius). Marine Biology. 148: 1399-1413. doi: 10.1007/s00227-005-0171-6
  • Appelberg, M; Formigo, N; Geffen, Audrey; Hammer, C; McCurdy, W; Modin, J; Moksness, E; Morales-Nin, B; Troadec, H; Wright, P. 2005. A cooperative effort to exchange age reading experience and protocols between European fish institutes. Fisheries Research. 76: 167-173. Published 2005-11-01. doi: 10.1016/j.fishres.2005.06.001
  • Hatfield, E.M.C.; Zuur, A; Boyd, J; Campbell, N; Chubb, J.C.; Collins, C.M.; Coughlan, C.J.; Cross, T.F.; Cross, M.A.; Cunningham, C.O.; Geffen, Audrey; MacKenzie, K; Nash, R.D.M.; Jansen, S.; Kay, S; Kelly, C.J.; O'Leary, D.B.; Schlickeisen, J.; Schön, P-J; Watts, P.C.; Zimmerman, C. 2005. WESTHER: A multidisciplinary approach to the identification of herring (Clupea harengus L.) stock components west of the British Isles using biological tags and genetic markers. ICES CM 2005/K:01. 18pp. ICES CM 2005/K:01, Copenhagen. 18 pages.
  • Morales-Nin, Beatriz; Swan, S.C.; Gordon, John D.M.; Palmer, M.; Geffen, Audrey; Shimmield, T.; Sawyer, T. 2005. Age-related trends in otolith chemistry of Merluccius merluccius from the north-eastern Atlantic Ocean and the western Mediterranean Sea. Marine and Freshwater Research. 56: 599-607. doi: 10.1071/MF04151
  • Nash, RDM; Geffen, Audrey. 2005. Aspects of the general biology of Sars’ eelpout, Lycenchelys sarsi (Collett, 1871) (Pisces, Zoarcidae), in Oslofjorden, Norway. Marine Biology Research. 1: 33-38.
  • Nash, Richard D.M.; Geffen, Audrey. 2005. Age and Growth. Chapter 7, pages 138-163. In:
    • Gibson, Robin N. 2005. Flatfishes: Biology and Explotation. Blackwell Publishing. 391 pages. ISBN: 0632059265.
  • Pittman, Karin; Grotmol, Sindre; Geffen, Audrey; Totland, Geir Kåre. 2005. Metamorfose - forvandling fra larve til yngel. kapittel 8, pages 71-85. In:
    • Otterå, Håkon; Taranger, Geir-Lasse; Borthen, Jørgen. 2005. Oppdrett av torsk - næring med framtid. 235 pages. ISBN: 82-7595-024-4.
  • Belchier, M.; Clemmensen, C.; Cortés, D.; Doan, A.; Folkvord, Arild; García, A.; Geffen, Audrey; Høie, Hans; Johannessen, Arne; Moksness, E.; Pontual, E. de; Rámirez, T.; Sveinsbø, Bjørn. 2004. ICES. Recruitment studies: Manual of precision and accurac of tools. ICES Techniques in Marine Environmental Science. 33. 35 pages.
  • Fox, Clive J; Folkvord, Arild; Geffen, Audrey. 2004. Otolith micro-increment formation in herring Clupea harengus larvae in relation to growth rate. Marine Ecology Progress Series. 264: 83-94.
  • Nash, Richard David Marriot; Geffen, Audrey. 2004. Seasonal and interannual variation in abundance of Calanus finmarchicus (Gunnerus) and Calanus helgolandicus (Claus) in inshore waters (west coast of the Isle of Man) in the central Irish Sea. Journal of Plankton Research. 26: 265-273.
  • Rowlands, W.L.; Dickey-Collas, M; Geffen, Audrey; Nash, Richard David Marriot. 2004. Abundances of Metridia lucens in the western Irish Sea. Journal of the Marine Biological Association of the United Kingdom. 83: 617-618.
  • Tomas, Javier; Geffen, Audrey; Allen, I.S.; Berges, J. 2004. Analysis of the soluble matrix of vaterite otoliths of juvenile herring (Clupea harengus): do crystalline otoliths have less protein? Comparative Biochemistry and Physiology A. 139: 301-308.
  • Fox, C.J.; Geffen, Audrey; Blyth, R.; Nash, Richard D.M. 2003. Temperature dependent development rates of plaice (Pleuronectes platessa L.) eggs from the Irish Sea. Journal of Plankton Research. 25: 1319-1329.
  • Ruddell, Carolyn J.; Wainwright, Geoffrey; Geffen, Audrey; White, Michael R.H.; Webster, Simon G.; Rees, Huw H. 2003. Cloning, characterization, and developmental expression of a putative farnesoic acid O-methyl transferase in the female edible crab Cancer pagurus. The Biological Bulletin. 205: 308-318.
  • Swan, S.C.; Gordon, John D.M.; Morales-Nin, Beatriz; Shimmield, T.; Sawyer, T.; Geffen, Audrey. 2003. Otolith microchemistry of Nezumia aequalis (Pisces: Macrouridae) from widely different habitats in the Atlantic and Mediterranean. Journal of the Marine Biological Association of the United Kingdom. 83: 883-886. doi: 10.1017/S0025315403007987h
  • Tomas, Javier; Geffen, Audrey. 2003. Morphometry and composition of aragonite and vaterite otoliths of deformed laboratory reared juvenile herring from two populations. Journal of Fish Biology. 63: 1383-1401.
  • Geffen, Audrey. 2002. Length of herring larvae in relation to age and hatching order. Journal of Fish Biology. 60: 479-485. doi: 10.1006/jfbi.2001.1859

More information in national current research information system (CRIStin)

See also in Google Scholar:

http://scholar.google.no/citations?user=jl5cA5oAAAAJ&hl=en

IMR - Mining effects on marine ecosystems, monitoring: "Gruveutslipp – effekter på marine økosystemer"

Erasmus+ - International Masters Programme "IMBRSea"

EU - Framework 7 – “ARAMACC” Annually-resolved archives of marine climate change – development of molluscan sclerochronology for marine environmental monitoring and climatology. Marie Curie ITN, associated partner

Past Projects

EU - Framework 7 – “FishPopTrace” - The structure of fish populations and traceability of fish and fish products 2008 - 2011

EU - Framework 7 – “CalMarO” - Calcification of Marine Organisms - A Marie Curie ITN (Initial Training Network) concerned with understanding biomineralization and the effects of ocean acidification on calcifying organisms 2008 – 2011

NFR - HAVKYST  - PRIBASE: Pollution Risk and Impact Analysis for the Barents Sea Ecosystem 2009-2011

EEA - Managing effects of global climate on estuarine biodiversity and productivity, network project PT0010, Norway-the Netherlands-Portugal 2008-2012

NFR - The occurrence of skipped spawning and its importance for population dynamics in Northeast Arctic gadoids - 2009 – 2012

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