Dag Lorents
Aksnes
Professor
Visit Address:
HIB - Thormøhlensgt. 55
5020 Bergen
Postal Address:
Postboks 7803
5020 Bergen
Phone:
+47 55 58 44 78
+47 913 17 497
E-mail:
Journal articles
- 2014. The emotion system promotes diversity and evolvability. Proceedings of the Royal Society of London. Biological Sciences. 281. doi: 10.1098/rspb.2014.1096
- 2014. Evidence of diel vertical migration in Mnemiopsis leidyi. PLoS ONE. 9. doi: 10.1371/journal.pone.0086595
- 2013. Centennial changes in water clarity of the Baltic Sea and the North Sea. Estuarine, Coastal and Shelf Science. 131: 282-289. doi: 10.1016/j.ecss.2013.08.010
- 2013. Trait-based models of nutrient uptake in microbes extend the Michaelis-Menten framework. Limnology and Oceanography. 58: 193-202. doi: 10.4319/lo.2013.58.1.0193
- 2013. Effects of the emotion system on adaptive behavior. American Naturalist. 182: 689-703. doi: 10.1086/673533
- 2013. Environmental constraints of the invasive Mnemiopsis leidyi in Scandinavian waters. Limnology and Oceanography. 58: 37-48. doi: 10.4319/lo.2013.58.1.0037
- 2013. Sensitivity of euphotic zone properties to CDOM variations in marine ecosystem models. Ecological Modelling. 256: 16-22. doi: 10.1016/j.ecolmodel.2013.02.010
- 2012. Effects of bottom depth and water clarity on the vertical distribution of Calanus spp. Journal of Plankton Research. 34: 263-266. doi: 10.1093/plankt/fbr096
- 2012. Relationship between fish and jellyfish as a function of eutrophication and water clarity. Marine Ecology Progress Series. 471: 73-85. doi: 10.3354/meps10036
- 2012. Internal wave-mediated shading causes frequent vertical migrations in fishes. Marine Ecology Progress Series. 452: 1-10. doi: 10.3354/meps09688
- 2012. Efficient trawl avoidance by mesopelagic fishes causes large underestimation of their biomass. Marine Ecology Progress Series. 456: 1-6. doi: 10.3354/meps09785
- 2011. Inherent and apparent traits in microbial nutrient uptake. Marine Ecology Progress Series. 440: 41-51. doi: 10.3354/meps09355
- 2011. Follow the light-diurnal and seasonal variations in vertical distribution of the mesopelagic fish Maurolicus muelleri. Marine Ecology Progress Series. 422: 265-273. doi: 10.3354/meps08938
- 2010. Phantom hunter of the fjords: Camouflage by counterillumination in a shark (Etmopterus spinax). Journal of Experimental Marine Biology and Ecology. 388: 28-32. doi: 10.1016/j.jembe.2010.03.009
- 2010. Simulation of optically conditioned retention and mass occurrences of Periphylla periphylla. Journal of Plankton Research. 32: 773-783. doi: 10.1093/plankt/fbq015
- 2009. Coastal water darkening and implications for mesopelagic regime shifts in Norwegian fjords. Marine Ecology Progress Series. 387: 39-49. doi: 10.3354/meps08120
- 2009. Multi-decadal shoaling of the euphotic zone in the southern sector of the California Current System. Limnology and Oceanography. 54: 1272-1281.
- 2009. Diel vertical migration of the deep-water jellyfish Periphylla periphylla simulated as individual responses to absolute light intensity. Limnology and Oceanography. 54: 1765-1775.
- 2008. Vertical distribution of Calanus spp. and Metridia longa at four Arctic locations. Marine Biology Research. 4: 193-207. doi: 10.1080/17451000801907948
- 2008. Swimming and feeding in Periphylla periphylla (Scyphozoa, Coronatae). Marine Biology. 153: 653-659. doi: 10.1007/s00227-007-0839-1
- 2007. Evidence for visual constraints in large marine fish stocks. Limnology and Oceanography. 52: 198-203.
- 2007. Optical effect on the nitracline in a coastal upwelling area. Limnology and Oceanography. 52: 1179-1187.
- 2007. Causes for mass occurrences of the jellyfish Periphylla periphylla: a hypothesis that involves optically conditioned retention. Journal of Plankton Research. 29: 157-167. doi: 10.1093/plankt/fbm003
- 2007. Endostyle cell recruitment as a frame of reference for development and growth in the urochordate Oikopleura dioica. The Biological Bulletin. 213: 325-334.
- 2006. Integrating developmental clocking and growth in a life-history model for the planktonic chordate Oikopleura dioica. Marine Ecology Progress Series. 318: 81-88.
- 2006. A model of developmental time applied to planktonic embryos. Marine Ecology Progress Series. 318: 75-80.
- 2006. Concurrent temporal patterns in light absorbance and fish abundance. Marine Ecology Progress Series. 325: 181-186.
- 2004. Optical control of fish and zooplankton populations. Limnology and Oceanography. 49: 233-238.
- 2004. Predation efficiency in visual and tactile zooplanktivores. Limnology and Oceanography. 49: 69-75.
- 2002. Production enhancement by artificial upwelling: a simulation study. Hydrobiologia. 484: 177-190.
- 2002. Stage-sepcific mortality of Calanus spp. under different predation regimes. Limnology and Oceanography. 47: 636-645.
- 2002. The influence of turbidity on growth and survival of fish larvae: a numerical analysis. Hydrobiologia. 484: 49-59.
- 2002. Resource allocation between somatic growth and reproductive output in the pelagic chordate Oikopleura dioica allows opportunistic response to nutritional variation. Marine Ecology Progress Series. 243: 83-91.
- 2001. Vertical distribution and mortality of overwintering Calanus. Limnology and Oceanography. 46: 1494-1510.
- 2001. Complete acoustic recording of water column scatters and sea bed characteristics. Journal of the Acoustical Society of America. 109: 2423-2423.
- 1999. Fish or jellies - a question of visibility? Limnology and Oceanography. 44: 1352-1357.
- 1998. Advection and zooplankton fitness. Sarsia. 83: 87-93.
- 1998. Modelling the influence of light, turbulence and ontogeny on ingestion rates in larval cod and herring. Fisheries Oceanography. 7: 355-363.
- 1997. Estimation techniques used in studies of copepod population dynamics - a review of underlying assumptions. Sarsia. 82: 279-296.
- 1997. A revised model of visual range in fish. Sarsia. 82: 137-147.
- 1997. The significance of optical properties in competition among visual and tactile planktivores: a theoretical study. Ecological Modelling. 98: 123-136.
- 1997. Influence of dissolved silicate on vertical flux of particulate biogenic matter. Marine Pollution Bulletin. 33: 10-21.
- 1996. Natural mortality, fecundicity and development time in marine planktonic copepods - implications of behaviour. Marine Ecology Progress Series. 131: 315-316.
- 1996. Circulation patterns in the North Atlantic and possible impact on population dynamics of Calanus finmarchicus. Ophelia : International Journal of Marine Biology. 44: 7-28.
- 1996. A vertical life table approach to zooplankton mortality estimation. Limnology and Oceanography. 41: 1461-1469.
- 1996. The interrelationship of copepod fecundity and mortality. Limnology and Oceanography. 41: 1470-1477.
- 1995. Ecological modelling in coastal waters: Towards predictive physical -chemical-biological simulation models. Ophelia : International Journal of Marine Biology. 41: 5-36.
- 1995. Simulated carrying capacities of fish in Norwegian fjords. Fisheries Oceanography. 4: 17-32.
- 1995. A surface-dependent gastric evacuation model for fish. Journal of Fish Biology. 47: 679-695.
- 1995. Modelling the primary production in the North Sea using a coupled three-dimensional physical-chemical-biological ocean model. Estuarine, Coastal and Shelf Science. 41: 545-565.
- 1994. Representation of Emiliania huxleyi in phytoplankton simulation models. A first approach. Sarsia. 79: 291-300.
- 1994. Visual predators, environmental variables and zooplankton mortality risk. Vie et milieu (1980). 44: 1-9.
- 1994. An experimental study on the influence of feeding versus predation risk in the habitat choice of juvenile and adult two-spotted goby Gobiusculus flavescens (Fabricius). Journal of Experimental Marine Biology and Ecology. 179: 69-79.
- 1993. A theoretical model of aquatic visual feeding. Ecological Modelling. 67: 233-250.
- 1993. Modelling the significance of zooplankton grazing for export production. Limnology and Oceanography. 38: 978-985.
- 1993. Winter distribution and migration of the sound Seaherring layers, Zooplankton and microncroton in Masfjorden, Norway. Marine Ecology Progress Series. 102: 35-50.
- 1993. Variable generation times and Darwinian fitness measures. Evolutionary Ecology. 7: 233-239.
- 1993. Food, predation risk and shelter: an experimental study on the distribution of adult two-spotted goby Gobiusculus flavescens (Fabricius). Journal of Experimental Marine Biology and Ecology. 166: 203-216.
- 1992. Silicate as regulating nutrient in phytoplankton competition. Marine Ecology Progress Series. 83: 281-289.
- 1992. Ontogeny, season and trade-offs: vertical distribution of the mesopelagic fish Maurolicus muelleri. Sarsia. 77: 253-261.
- 1992. Modellering av fordeling, vekst og overlevelse av lodde i Barentshavet. Fisken og Havet. 1: 21-21.
- 1992. A conceptual model of distribution of capelin in the Barents Sea. Sarsia. 77: 147-156.
- 1992. Does freshwater discharge cause mortality of fjord-living zooplankton? Estuarine, Coastal and Shelf Science. 34: 305-313.
- 1992. Simulation of the vertical distribution of the mesopelagic fish, Maurolicus muelleri (Gmelin) by stochastic dynamic optimization. Journal of Fish Biology. 41: 181-182.
- 1992. Ecosystem model for evaluating potential cod production in a west Norwegian fjord. Marine Ecology Progress Series. 90.
- 1991. A theoretical model for nutrient uptake in phytoplankton. Marine Ecology Progress Series. 70: 65-72.
- 1991. Fiskeoppdrett bidrag til oppblomstring av alger? Norsk Fiskeoppdrett. 1: 36-38.
- 1991. Vertikalfordelinger: hvor dypt befinner fisk og plankton seg? Naturen. 5: 195-202.
- 1991. Computer simulation of pelagic production in Masfjorden, western Norway, and its consequences for production of released O-group cod. ICES Marine Science Symposia. 192: 161-175.
- 1991. Økologi for kulturbetinget fiske. Fiskets gang. 4: 23-28.
- 1991. Occurence of the toxic phytoflagellate Prymnesium parvum and associated fish mortality in a Norwegian fjord system. Canadian Journal of Fisheries and Aquatic Sciences. 48.
- 1991. Plankton succession and responses to manipulations in a marine basin for larval fish rearing. Marine Ecology Progress Series. 74: 161-173.
- 1990. Vertical distribution and trophic interactions of zooplankton and fish in Masfjorden, Norway. Sarsia. 75: 65-81.
Reports and theses
- 2013. Sognefjorden – en oppsummering av litteratur og kunnskapsstatus om fjordøkologi og vannkraftutbygging. Kunnskapsinnhenting. Uni Research, Bergen. 40 pages.
- 2003. Environmental influence on fish stocks. IFM rapport. 8. Institutt for fiskeri- og marinbiologi, Universitetet i Bergen, Bergen. 21 pages.
- 1998. Optimizing abatement strategies for eutrophication in the marine environment. IFM rapport. 6. Institutt for fiskeri- og marinbiologi, Univ. i Bergen. 52 pages.
- 1997. Fresh water driven production in a fjord. Report. 107. Dept of Applied Mathemathics.
- 1997. Fresh water driven production in a fjord. Report. 107. Dept of Applied Mathemathics.
- 1997. Fresh water driven production in a fjord. Report. 107. Dept of Applied Mathemathics.
- 1994. Produksjonsforhold for plankton og betraktninger om resipientkapasitet. Delrapport 2. Miljøundersøkelser i Gassasundet og Nautøysundet, Bømlo og Stord kommune. SMR-rapport. 16. Senter for miljø- og ressursstudier, UiB. 12 pages.
- 1994. Summary of data from enclosure experiments on phytoplankton blooms at Espegrend in 1986-1993. IFM rapport. 36. UiB-MatNat: Institutt for fiskeri- og marinbiologi. 63 pages.
- 1993. Eksperimentelle og teoretiske studier av artssuksesjon i planteplanktonoppblomstringer. IFM-rapport. 9. Institutt for fiskeri- og marinbiologi. 14 pages.
- 1993. Kartlegging av Prymnesium parvum og giftige vannmasser ved hjelp av faste stasjoner i Hylsfjorden, Saudafjorden og Sandsfjorden. SMR-rapport. 5. Senter for miljø- og ressursstudier. 21 pages.
- 1993. F#/rpellets - synkehastighet og næringssaltlekkasje. SMR-rapport. 5. Senter for miljø- og ressursstudier. 5 pages.
- 1993. Modellering av fødeinntak og vertikal fordeling hos akvatiske visuelle predatorer. IFM-rapport. 12. Institutt for fiskeri- og marinbiologi. 12 pages.
- 1993. Produksjonsforhold for plankton. SMR-rapport. 7. Senter for miljø- og ressursstudier. 6 pages.
- 1993. Feteksperimenter i sjøinnhegninger. SMR-rapport. 5. Senter for miljø- og ressursstudier. 32 pages.
- 1993. Utvikling av meteorologisk/fysisk koplet planteplanktonmodell for Nordsjøen. IFM-rapport. 10. Institutt for fiskeri- og marinbiologi. 14 pages.
- 1992. Miljøundersøkelser i Høylandssundet, Kvinnherad kommune. Delrapport 2. Produksjonsforhold for plankton. SMR-rapport. Universitetet i Bergen, Senter for Miljø og ressursstudier. 6 pages.
- 1992. State-of-the-art of fjord and coastal water quality models. Rapport fra "Forskningsprogram om marin forurensing". NTNF. 14 pages.
- 1992. Vurdering av utsettingsmengde av laks i PUSH-programmet. IFM-rapport. 2. Universitetet i Bergen, inst. for fiskeri- og marinbiologi. 11 pages.
- 1992. MOMS - Marint overvåkings- og modellsystem for fjorder og kyststrøk. BFS - Divisjon for marint miljø- og ressurser. 42 pages.
- 1992. Prymnesium parvum i Ryfylkefjordene. Delprosjekt 10: Forpellets-synkehastighet og næringssaltlekkasje. SMR-rapport. Universitetet i Bergen, Senter for miljø- og ressursstudier. 4 pages.
- 1992. Prymnesium parvum i Ryfylkefjordene. Delprosjekt 5: Kartlegging av P. Parvum og giftige vannmasser ved hjelp av faste stasjoner i Hylsfjorden, Saudafjorden og Sandsfjorden. SMR-rapport. Universitetet i Bergen, Senter for miljø- og ressursstudier. 21 pages.
- 1992. Prymnesium parvum i Ryfylkefjordene. Delprosjekt 6: Felteksperimenter i sjøinnhegninger. SMR-rapport. Universitetet i Bergen, Senter for miljø- og ressursstudier. 31 pages.
- 1992. Vannkraft og fjorder. Fysiske og biologiske konsekvenser av Ulla Førre utbyggingen. SMR-rapport. 4. Universitetet i Bergen, senter for miljø- og ressursstudier. 89 pages.
- 1992. Vannkraft og fjorder. Fysiske og biologiske konsekvenser av Ulla-Førre utbyggingen. SMR-rapporter. 4. Senter for miljø- og ressursstudier, UiB. 89 pages.
- 1992. Drivkrefter for bæreevner. IFM-rapport. 25. Universitetet i Bergen, inst. for fiskeri- og marinbiologi. 11 pages.
- 1991. Prymniesum parvum sett i lys av undersøkelser i Ryfylkefjordene 1972-1991. SMR rapport 1/91. Delrapport 3. [Mangler utgivernavn]. 19 pages.
- 1991. Undersøkelser at Prymnesium parvum i Ryfylkefjordene 1991. SMR Rapport 1/91. Delrapport 7. [Mangler utgivernavn]. 23 pages.
- 1991. The use of deep fjordwater at present and in the future in Norway. Report from "The international Forum on Deep Sea Water", 9-11 August, Kochi, Japan. [Mangler utgivernavn].
- 1988. Optimizing abatement strategies for eutrophication in the marine environment. IFM rapport. 6. Institutt for fiskeri- og marinbiologi, Univ. i Bergen. 52 pages.
- 1987. Resource allocation in the study of copepod population dynamics. Investigations of copepod population dynamics. A simulation program : appendix.
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