Our research in quantitative ecology aims to provide robust models for processes that are central to resource management. This includes size and density-dependent processes in fish populations and the evolutionary ecology of domestication. We also work on the population dynamics of fish diseases.

Representative publications

If you can’t access a paper you are interested in, email Kai Lorenzen (klorenzen@ufl.edu) and you’ll get the pdf for free.

Lorenzen, K. (2022). Size- and age-dependent natural mortality in fish populations: Biology, models, implications, and a generalized length-inverse mortality paradigm. Fisheries Research 255: 106454. LINK

Lorenzen, K., Camp, E.V. & Garlock, T.M. (2022). Natural mortality and body size in fish populations. Fisheries Research 252: 106327. LINK

Lorenzen, K. & Camp, E.V. (2019). Density-dependence in the life history of fishes: When is a fish recruited? Fisheries Research 217: 5-10. LINK

Garlock, T.M., Camp, E.V., & Lorenzen, K. (2019). Efficacy of largemouth bass stock enhancement in achieving fishery management objectives in Florida. Fisheries Research 213: 180-189. LINK

Garlock, T.M., Camp, E.V. & Lorenzen, K. (2017) Using fisheries modeling to assess candidate species for marine fisheries enhancement. Fisheries Research 186: 460-467. LINK

Camp, E.V., Larkin, S.L., Ahrens, R.M.N. & Lorenzen, K. (2017) Trade-offs between socioeconomic and conservation management objectives in stock enhancement of marine recreational fisheries. Fisheries Research 186: 446-459. LINK

Lorenzen, K., Cowx, I.G., Entsua-Mensah, R.E.M., Lester, N.P., Koehn, J.D., Randall, R.G., Nam, S., Bonar, S.A., Bunnell, D.B., Venturelli, P., Bower, S.D. & Cooke, S.J. (2016) Stock assessment in inland fisheries: a foundation for sustainable use and conservation. Reviews in Fish Biology and Fisheries 26: 405-440. LINK

van de Kerk, M., Jones Littles, C., Saucedo, O. & Lorenzen, K. (2016) The effect of latitudinal variation on shrimp reproductive strategies. PLoS ONE 11(5): e0155266. LINK

Lorenzen, K. (2016) Toward a new paradigm for growth modeling in fisheries stock assessment: embracing plasticity and its consequences. Fisheries Research 180: 4-22. LINK

Mintzer, V.J. Lorenzen, K., Frazer, T.K. Martin A.R. & da Silva V.M.F (2016) Seasonal movements of river dolphins (Inia geoffrensis) in a protected Amazonian floodplain. Marine Mammal Science 32: 664-681.  LINK

Barbour, A.B., Adams, A.J. & Lorenzen, K. (2014) Emigration-corrected seasonal survival of a size-structured fish population in a nursery habitat. Marine Ecology Progress Series 514: 191-205. PDF

Barbour, A.B., Adams, A.J. & Lorenzen, K. (2014) Size-based, seasonal, and multidirectional migrations of an estuarine fish in a habitat mosaic. Marine Ecology Progress Series 507: 263-276. PDF

Hazlerigg, C.R.E., Tyler, C.R., Lorenzen, K., Wheeler, J.R. & Thorbek, P. (2014) Population relevance of toxicant mediated changes in sex ratio in fish: an assessment using an individual-based zebrafish (Danio rerio) model. Ecological Modeling 280: 76-88. PDF

Barbour, A., Ponciano, J. & Lorenzen, K. (2013) Apparent survival estimation from continuous mark-recapture/resighting data. Methods in Ecology and Evolution 4: 846-853. PDF

Hazlerigg, C.R.E., Lorenzen, K., Thorbek, P., Wheeler, J.R. & Tyler, C.R. (2012) Density-dependent processes in the life history of fishes: evidence from laboratory populations of zebrafish Danio rerio. PLOS One 7(5): e37550. LINK

Edwards C. T. T., Hillary R. M., Levontin P., Blanchard J. & Lorenzen K. (2012) Fisheries assessment and management: a synthesis of common approaches with special reference to deepwater and data-poor stocks. Reviews in Fisheries Science 20: 126-153. PDF

Brodziak, J., Ianelli, J., Lorenzen, K. & Methot, R (Editors).(2011) Estimating natural mortality in stock assessment applications. NOAA Tech. Memo. NMFS-F/SPO-119. PDF

Struve, J., Lorenzen, K., Blanchard, J., Börger, L., Bunnefeld, N., Edwards, C., Hortal, J., MacCall, A., Matthiopoulos, J., Van Moorter, B., Ozgul, A., Royer, F., Singh, N., Yesson, C. & Bernard, R. (2010) Lost in space? Searching for directions in the spatial modelling of individuals, populations and species ranges. (Meeting Report). Biology Letters 6: 575-578. PDF

Lorenzen, K. (2008) Fish population regulation beyond ‘stock and recruitment’: the role of density-dependent growth in the recruited stock. Bulletin of Marine Science 83: 181-196. PDF

Lorenzen, K. & Enberg, K. (2002) Density-dependent growth as a key mechanism in the regulation of fish populations: evidence from among-population comparisons. Proceedings of the Royal Society B 269: 49-54. PDF

Lorenzen, K. (2000) Allometry of natural mortality as a basis for assessing optimal release size in fish stocking programmes. Canadian Journal of Fisheries and Aquatic Sciences 57: 2374-2381. PDF

Lorenzen, K. (1996) The relationship between body weight and natural mortality in fish: a comparison of natural ecosystems and aquaculture. Journal of Fish Biology 49: 627-647. PDF

Lorenzen, K. (1996) A simple von Bertalanffy model for density-dependent growth in extensive aquaculture, with an application to common carp (Cyprinus carpio). Aquaculture 142: 191-205. PDF

Lorenzen, K. (1995) Population dynamics and management of culture-based fisheries. Fisheries Management and Ecology 2: 61-73. PDF

Lorenzen, K., des Clers, S.A., & Anders, K. (1991) Population dynamics of lymphocystis disease in estuarine flounder, Platichthys flesus (L.). Journal of Fish Biology 39: 577-587. PDF