Jensen Lab

2017 and in press

Vastano, A.R., K.W. Able, O.P. Jensen, P.C. Lopez-Duarte, C.W. Martin, B.J. Roberts. In press. Age Validation and Seasonal Growth Patterns of a Subtropical Marsh Fish: The Gulf
Killifish, Fundulus grandis. Environmental Biology of Fishes.

Marshall, K.N., Levin, P.S., Essington, T.E., Koehn, L.E., Anderson, L.G., Bundy, A., Carothers, C., Coleman, F., Gerber, L.R., Grabowski, J.H., Houde, E., Jensen, O.P., Möllmann, C., Rose, K., Sanchirico, J.N., and Smith, A.D.M. In press. Ecosystem-Based Fisheries Management for Social–Ecological Systems: Renewing the Focus in the United States with Next Generation Fishery Ecosystem Plans. Conservation Letters. PDF

Wiedenmann, J. and O.P. Jensen. In press. Uncertainty in stock assessment estimates for New England groundfish and its impact on achieving target harvest rates. Canadian Journal of Fisheries and Aquatic Sciences.

Rosenberg, A.A., Kleisner, K.M., Afflerbach, J., Anderson, S.C., Dickey-Collas, M., Cooper, A.B., Fogarty, M.J., Fulton, E.A., Gutiérrez, N.L., Hyde, K.J.W., Jardim, E., Jensen, O.P., Kristiansen, T., Longo, C., Minte-Vera, C.V., Minto, C., Mosqueira, I., Osio, G.C., Ovando, D., Selig, E.R., Thorson, J.T., Walsh, J.C., and Ye, Y. In press. Applying a new ensemble approach to estimating stock status of marine fisheries around the world. Conservation Letters.

Anderson, S.C., A. B. Cooper, O. P. Jensen, C. Minto, J.T. Thorson, J.C. Walsh, J. Afflerbach, M. Dickey-Collas, K.M. Kleisner, C. Longo, G. C. Osio, D. Ovando, I. Mosqueira, A.A. Rosenberg, E.R. Selig. In press. Improving estimates of population status and trend with superensemble models. Fish & Fisheries.

Robinson, O., Jensen, O.P., Provost, M., Huang, S., Fefferman, N., Kebir, A., and J. Lockwood. In press. Evaluating the impacts of fishing on sex-changing fish: a game-theoretic approach. ICES Journal of Marine Science.

Pons, M., Branch, T.A., Melnychuk, M.C., Jensen, O.P., Brodziak, J., Fromentin, J.M., Harley, S.J., Haynie, A.C., Kell, L.T., Maunder, M.N., Parma, A.M., Restrepo, V.R., Sharma, R., Ahrens, R. and R. Hilborn. In press. Effects of biological, economic and management factors on tuna and billfish stock status. Fish & Fisheries.

Hilborn, R., Amoroso, R., Bogazzi, E., Jensen, O.P., Parma, A., Szuwalski, C., and C.J. Walters. 2017. When does fishing forage species affect their predators? Fisheries Research. 191: 211-221

Free, C.M., Jensen, O.P., Wiedenmann, J., and J. J. Deroba. 2017. The refined ORCS approach: a catch-based method for estimating stock status and catch limits for data-poor fish stocks. Fisheries Research. 193: 60-70. PDF

Hartman, K.J. and Jensen, O.P. 2017. Anticipating climate change impacts on Mongolian salmonids: bioenergetics models for lenok and Baikal grayling. Ecology of Freshwater Fish.

Vasslides, J.M., Townsend, H., Belton, T., and Jensen, O.P. 2017. Modeling the effects of a power plant decommissioning on an estuarine food web. Estuaries & Coasts. 40:604-616. PDF

Provost, M., Berlinksy, D., and Jensen, O.P. 2017. Influence of size, age, and spawning season on sex change in Black Sea Bass. Marine & Coastal Fisheries. 9:126-138. PDF

McCann, J.M., Able, K.W., Christian, R.R., Fodrie, F.J., Jensen, O.P., Johnson, J.J., López- Duarte, P.P., Martin, C.W., Olin, J.A., Polito, M.J., Roberts, B.J., Ziegler, S.L. 2017. Key taxa in food web responses to stressors: The Deepwater Horizon Oil Spill. Frontiers in Ecology and Evolution. PDF

Tsogtsaikhan, P., Mendsaikhan, B., Jargalmaa, G., Ganzorig, B, Weidel, B.C., Filosa, C.M., Free, C.M., Young, T., and Jensen, O.P. 2017. Comparison of age and growth of lenok, Brachymystax lenok (Pallas 1773), and grayling, Thymallus spp., in lentic and lotic habitats of Northern Mongolia. Journal of Applied Ichthyology. 33: 108-115. PDF


Fussella, K.M.D, R.E.H. Smith, M.E. Frakera, L. Boegmanc, K.T. Frank, T.J. Miller, J.T. Tyson, K.K. Arend, D. Boisclair, S.J. Guildford, R.E. Hecky, T.O. Hӧӧk, O.P. Jensen, J.K. Llopiz, C.J.Maya, R.G. Najjar, L.G. Rudstam, C.T. Taggart, Y.R. Rao, and S.A. Ludsin. 2016. Managing Great Lakes fisheries under changing ecosystem conditions: a perspective on needed approaches and research. Journal of Great Lakes Research. 42: 743-752

Cambridge, J., Hernandez†, M., Jensen, O., Buckley, B., McCandlish, E. and M. Robson. 2016. Concentrations of heavy metals in fish species targeted by anglers in central New Jersey: a pilot study. Human and Ecological Risk Assessment: An International Journal. 22:1593-1601

López-Duarte, P.C., Fodrie, F.J., Jensen, O.P., Whitehead, A., Galvez, F., Dubansky, B., and K.W. Able. 2016. Is exposure to Macondo oil reflected in the otolith chemistry of marsh-resident fish? PLoS ONE. 11(9): e0162699. doi:10.1371/journal.pone.0162699. PDF

Foss-Grant, A.P., Zipkin, E.F., Thorson, J.T., Jensen, O.P., and W.F. Fagan. 2016. Hierarchical analysis of taxonomic variation in intraspecific competition across fish species. Ecology. 97:1724-1734. PDF

Olson, K., Jensen, O.P., and Hrabik, T. 2016. Feeding ecology and prey resource partitioning of lenok (Brachymystax lenok) and Baikal grayling (Thymallus arcticus baicalensis) in the Eg and Uur Rivers, Mongolia. Ecology of Freshwater Fish. 25:565-576 PDF

Madenjian, C.P., Jensen, O.P., Krabbenhoft, D.P., DeWild, J.F., Ogorek, J.M., and A. Vastano. 2016. Mercury Accumulation and the Mercury-PCB-Sex Interaction in Summer Flounder. Journal of Marine Science Research and Development 6: 188. doi:10.4172/2155-9910.1000188 PDF

Melnychuk, M.C., Essington, T.E., Branch, T.A.*, Heppell, S.S.*, Jensen, O.P.*, Link, J.S.*, Martell, S.J.D.*, Parma, A.M.*, Pope, J.G.*, Smith, A.D.M.*2016. Which design elements of individual quota fisheries help to achieve management objectives?  Fish & Fisheries. 17:126-142. *Order of authors arranged alphabetically PDF

Lenker, M.A., Weidel, B.C., Jensen, O.P., and Solomon, C.T. 2016. Developing recreational harvest regulations for an unexploited lake trout population. North American Journal of Fisheries Management. 36:385-397. PDF

Madenjian CP, Jensen OP, Rediske RR, O’Keefe JP, Vastano AR, Pothoven SA. 2016. Differences in energy expenditures and growth dilution explain higher PCB concentrations in male summer flounder. PLoS ONE 11(1): e0147223. doi:10.1371/journal.pone.0147223. PDF


Free, C.M., Jensen, O.P., and Mendsaikhan, B. 2015. A Mixed-Method Approach for Quantifying Illegal Fishing and Its Impact on an Endangered Fish Species. PLoS ONE. 10(12): e0143960. doi:10.1371/journal.pone.0143960. PDF

Vasslides, J. and O.P. Jensen. 2015. Fuzzy cognitive mapping in support of integrated ecosystem assessments: developing a shared conceptual model among stakeholders. Journal of Environmental Management. 166:348-356. PDF

Provost, M.M. and O.P. Jensen. 2015. The impacts of fishing on hermaphroditic species and treatment of sex change in stock assessments. Fisheries 40:536:545. PDF

Young, T. O.P. Jensen, B. Weidel, and S. Chandra. 2015. Natural trophic variability in a large, oligotrophic, near-pristine lake. Journal of Great Lakes Research. 41:463-472. PDF

Neubauer, P. and O.P. Jensen. Bayesian estimation of predator diet composition from fatty acids and stable isotopes. 2015. PeerJ. PDF. R package is available here.

Thorson, J.T., O.P. Jensen, and R. Hilborn. 2015. Probability of stochastic depletion: an easily interpreted diagnostic for stock assessment modelling and fisheries management. ICES Journal of Marine Science. 72:428-435 PDF

K. W. Able, P. C. Lopez-Duarte, F. J. Fodrie, O. P. Jensen, C. W. Martin, B.J. Roberts, J. Valenti, K. O’Connor, S.C. Halbert. 2015. Fish Assemblages in Louisiana Salt Marshes: Effects of the Macondo Oil Spill. Estuaries and Coasts. 38:1385-1398 PDF


Hilborn, R. D. J. Hively, O.P. Jensen, and T. A. Branch. 2014. The dynamics of fish populations at low abundance and prospects for rebuilding and recovery.  ICES Journal of Marine Science. 71:2141-2151 PDF

Thorson, J.T., O.P. Jensen, and E. Zipkin. 2014. How variable is recruitment for exploited marine fishes? A hierarchical model for testing life history theory. Canadian Journal of Fisheries and Aquatic Sciences. 71: 973 - 983 PDF

Cooke, S.J., R. Arlinghaus, D. M. Bartley, T.D. Beard, I.G. Cowx, T.E. Essington, O.P. Jensen, A. Lynch, W.W. Taylor, and R. Watson. 2014. Where the waters meet: Sharing ideas and experiences between inland and marine realms to promote sustainable fisheries management. Canadian Journal of Fisheries and Aquatic Sciences. PDF

Fodrie, F.J. K.W. Able, F. Galvez, K.L. Heck Jr., O.P. Jensen, P.C. Lopez-Duarte, C.W. Martin, R.E. Turner, and A. Whitehead. 2014. Integrating organismal and population responses of estuarine fishes to the Macondo spill reveals research priorities in the Gulf of Mexico. Bioscience. 64:778-788 PDF

Free, C.M., O.P. Jensen, S.A. Mason, M. Eriksen, N.J. Williamson, and B. Boldgiv. 2014. High-levels of microplastic pollution in a large, remote, mountain lake. Marine Pollution Bulletin. 85:156-163 PDF


Neubauer, P., O.P. Jensen, J.A. Hutchings, and J.K. Baum. 2013. Resilience and recovery of overexploited marine populations. Science. 340:347-349. PDF

Vert Pre, K.A., R.O. Amoroso, O.P. Jensen, R. Hilborn. 2013. The frequency and intensity of productivity regime shifts in marine fish stocks. Proceedings of the National Academy of Sciences. 110:1779-1784. PDF

Merlin, Y., Hernández, A., Calderón, M., Jensen, O.P., Zaragoza, R., and L. Zambrano. 2013. Urban expansion into a protected natural area in Mexico City: alternative management scenarios. Journal of Environmental Planning and Management. 56:398-411. PDF


Thorson, J.T., Cope, J.M., Branch, T.A., and O.P. Jensen. 2012. Spawning biomass reference points for exploited marine fishes, incorporating taxonomic and body size information. Canadian Journal of Fisheries and Aquatic Sciences. 69:1556-1568. PDF

Thorson, J.T., Branch, T.A., and O.P. Jensen. 2012. Using model-based inference to evaluate global fisheries status from landings, location and life history data. Canadian Journal of Fisheries and Aquatic Sciences. 69:645-655. PDF

Essington, T.E., Melnychuk, M.C., Branch, T.A.*, Heppell, S.S.*, Jensen, O.P.*, Link, J.S.*, Martell, S.J.D.*, Parma, A.M.*, Pope, J.G.*, Smith, A.D.M.* 2012. Catch shares, fisheries and ecological stewardship: a comparative analysis of resource responses to a rights-based policy instrument.  Conservation Letters. 5:186-195. PDF *Order of authors arranged alphabetically

Jensen, O.P., Branch, T.A., and R. Hilborn. 2012. Marine fisheries as ecological experiments. Theoretical Ecology. 5:3-22 PDF

Ahrenstorff, T.D., Jensen, O.P., Weidel, B.C., Mendsaikhan, B., and T.R. Hrabik. 2012. Abundance, spatial distribution, and diet of endangered Hovsgol grayling (Thymallus nigrescens). Environmental Biology of Fishes. 94:465-476 PDF

Hilborn, R., Stewart, I.J., Branch, T.A., and O.P. Jensen. 2012. Defining trade-offs among conservation of species diversity, profitability, and food security in the California Current bottom trawl fishery. Conservation Biology. 26:257-266 PDF

Benson, B., Magnuson, J.J., Jensen, O.P., Card, V.M., Hodgkins, G., Korhonen, J., Livingstone, D.M., Stewart, K.M., Weyhenmeyer, G.A., Granin, N.G. 2012. Extreme events, trends, and variability in Northern Hemisphere lake-ice phenology (1855 - 2005). Climatic Change. 112:299-323 PDF

Ricard, D., Minto, C., Jensen, O.P., Baum, J.K. 2012. Examining the status of commercially exploited marine species with the RAM Legacy Stock Assessment Database. Fish & Fisheries. 13:380-398. PDF

Melnychuk, M.C., Essington, T.E., Branch, T.A.*, Heppell, S.S.*, Jensen, O.P.*, Link, J.S.*, Martell, S.J.D.*, Parma, A.M.*, Pope, J.G.*, Smith, A.D.M.* 2012. Can catch share fisheries better track management targets?  Fish & Fisheries. 13:267-290. PDF *Order of authors arranged alphabetically


Pinsky, M.L., O.P. Jensen, D. Ricard, S.R. Palumbi. 2011. Unexpected patterns of fisheries collapse in the world's oceans. Proceedings of the National Academy of Sciences. 108:8317-8322. PDF

Branch, T.A., O.P. Jensen, D. Ricard, Y. Ye, and R. Hilborn. 2011. Contrasting global trends in marine fishery status obtained from catches and from stock assessments. Conservation Biology. 25:777-786. PDF Press

Salomon, A.K., S. Gaichas, O.P. Jensen, V.N. Agostini, N.A. Sloan, J. Rice, T. McClanahan, R. Fujita, M. Ruckelshaus, P. Levin, N.K. Dulvy, and E.A. Babcock. 2011. Bridging the divide between fisheries and marine conservation science. Bulletin of Marine Science. 87(2):251-274. PDF

Jensen, O.P., S. Hansson, T. Didrikas, J. D. Stockwell, T. R. Hrabik, T. Axenrot, J. F. Kitchell. 2011. Foraging, bioenergetic, and predation constraints on diel vertical migration: field observations and modeling of reverse migration by young-of-year herring Clupea harengus. Journal of Fish Biology. 78: 449-465. PDF

Weyhenmeyer, G. A., D. M. Livingstone, M. Meili, O. P. Jensen, B. Benson, J. J. Magnuson. 2011. Large geographical differences in the sensitivity of ice-covered lakes and rivers in the Northern Hemisphere to temperature changes. Global Change Biology. 17:268-275 PDF


Bakker, V.J., J.K. Baum, J.F. Brodie, A.K. Salomon, B.G. Dickson, H.K. Gibbs, O.P. Jensen, P.B. McIntyre. 2010. The changing landscape of conservation funding. Conservation Letters. 3:435-444 PDF

Hutchings, J.A., C. Minto, D. Ricard, J.K. Baum, O.P. Jensen. 2010. Trends in the abundance of marine fishes. Canadian Journal of Fisheries & Aquatic Sciences. 67:1205-1210. PDF

Jensen, O.P., S. Ortega-Garcia, S.J.D. Martell, R. Ahrens, M.L. Domeier, C.J. Walters, and J.F. Kitchell. 2010. Local management of a “highly migratory species?” The effects of longline closures and recreational catch-and-release for Baja California striped marlin fisheries. Progress in Oceanography. 86:176-186. PDF

Gilroy, D.J., O.P. Jensen, B.C. Allen, S. Chandra, B. Ganzorig , Z. Hogan, J. Maxted, M.J. Vander Zanden. 2010. Home range and seasonal movement of taimen, Hucho taimen, in Mongolia. Ecology of Freshwater Fish. 19:545-554 PDF

Stockwell, J.D., T.R. Hrabik, O.P. Jensen, D.L. Yule, and M. Balge. 2010. Empirical evaluation of predator-driven diel vertical migration in Lake Superior. Canadian Journal of Fisheries and Aquatic Sciences 67:473-485. PDF

Diebel, M.W., J.T. Maxted, O.P. Jensen, and M.J. Vander Zanden. 2010. A spatial autocorrelative model for targeting stream restoration to benefit sensitive non-game fishes. Canadian Journal of Fisheries and Aquatic Sciences 67:165-176 PDF


Worm, B., R. Hilborn, J.K. Baum, T. A. Branch, J. S. Collie, C. Costello, M. J. Fogarty, E. A. Fulton, J. A. Hutchings, S. Jennings, O. P. Jensen, H. K. Lotze, P. M. Mace, T. R. McClanahan, C. Minto, S. R. Palumbi, A. M. Parma, D. Ricard, A. A. Rosenberg, R. Watson, D. Zeller. 2009. Rebuilding global fisheries. Science 325: 578-585 PDF

Jensen, O.P., D.J. Gilroy, Z. Hogan, B.C. Allen, T.R. Hrabik, B.C. Weidel, S. Chandra, M.J. Vander Zanden. 2009. Evaluating recreational fisheries for an endangered species: a case study of taimen, Hucho taimen, in Mongolia. Canadian Journal of Fisheries and Aquatic Sciences 66:1707-1718. PDF

White, M.A., K.M. de Beurs, K. Didan, D.W. Inouye, A.D. Richardson, O.P. Jensen, J. O’Keefe, G. Zhang, R.R. Nemani, W.J.D. van Leeuwen, J.F. Brown, A. de Wit, M. Schaepman, X. Lin, M. Dettinger, A.S. Bailey, J. Kimbal, M.D. Schwartz, D.D. Baldocchi, J.T. Lee, and W.K. Lauenroth. 2009. Intercomparison, interpretation, and assessment of spring phenology in North America estimated from remote sensing for 1982-2006. Global Change Biology. doi: 10.1111/j.1365-2486.2009.01910.x PDF

Jensen, O.P., P.M. Yurista, T.R. Hrabik, and J.D. Stockwell. 2009. Densities and diel vertical migration of Mysis relicta in Lake Superior: a comparison of optical plankton counter and net-based approaches. Verh. Internat. Verein. Limnol. 30:957-963. PDF


Pine, W.E., S.J.D. Martell, O.P. Jensen, C.J. Walters, J.F. Kitchell. 2008. Effects of release mortality on the efficacy of length limits and catch-and-release policies: a case study of blue, white, and striped marlin. Canadian Journal of Fisheries and Aquatic Sciences 65: 975-988. PDF


Jensen, O.P., B.J. Benson, J.J. Magnuson, V.M. Card, M.N. Futter, P.A. Soranno, K.M. Stewart. 2007. Spatial analysis of ice phenology trends across the Laurentian Great Lakes region during a recent warming period. Limnology & Oceanography 52:2013-2026. PDF Press


Kitchell, James F., S. J. D. Martell, C. J. Walters, O. P. Jensen, I. C. Kaplan, J. R. Watters, T. E. Essington and C. H. Boggs. 2006. Billfishes in an ecosystem context. Bulletin of Marine Science 79: 669-682. PDF

Hrabik, T.R., O.P. Jensen, S.J.D. Martell, C.J. Walters, and J.F. Kitchell. 2006. Diel vertical migration in the Lake Superior pelagic community. I. Changes in vertical migration of coregonids in response to varying predation risk. Canadian Journal of Fisheries and Aquatic Sciences 63: 2286-2295. PDF

Jensen, O.P., T.R. Hrabik, S.J.D. Martell, C.J. Walters, and J.F. Kitchell. 2006. Diel vertical migration in the Lake Superior pelagic community. II. Modeling trade-offs at an intermediate trophic level. Canadian Journal of Fisheries and Aquatic Sciences 63: 2296- 2307. PDF

Olden, J.D., O.P. Jensen, and M.J. Vander Zanden. 2006. Implications of long-term dynamics of fish and zooplankton communities for among-lake comparisons. Canadian Journal of Fisheries and Aquatic Sciences 63: 1812-1821. PDF

Jensen, O.P., M.C. Christman, and T.J. Miller. 2006. Landscape-based geostatistics: A case study of the distribution of blue crab in Chesapeake Bay. Environmetrics 17: 605-621. PDF


Magnuson, J. J., B. J. Benson, O. P. Jensen, T. B. Clark, V. Card, M. N. Futter, P. A. Soranno, K. M. Stewart. 2005. Persistence of coherence of ice-off dates for inland lakes across the Laurentian Great Lakes region. Verh. Internat. Verein. Limnol. 29:521-527. PDF

Jensen, O.P. and T.J. Miller. 2005. Geostatistical analysis of blue crab (Callinectes sapidus) abundance and winter distribution patterns in Chesapeake Bay. Transactions of the American Fisheries Society 134: 1582-1598. PDF

Jensen, O.P., R. Seppelt, T. J. Miller, and L. J. Bauer. 2005. Winter distribution of blue crab (Callinectes sapidus) in Chesapeake Bay: Application and cross-validation of a two-stage generalized additive model (GAM). Marine Ecology Progress Series 299:239-255. PDF

Kendall, M.S., O.P. Jensen, M.E. Monaco, D. Field, C. Alexander, G. McFall, and R. Bohne. 2005. Benthic mapping on the Georgia bight: sonar, video transects, and an innovative approach to accuracy assessment. Journal of Coastal Research 21:1154-1165. PDF


Lab Members  


Photo credits Olaf Jensen, Brant Allen, Jeremy Monroe | Site design Freshwaters Illustrated