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Wringe, B.F., C.F. Purchase, & I.A. Fleming. In search of a cultured fish phenotype: a systematic review, meta-analysis and vote counting analysis. Reviews in Fish Biology and Fisheries, 26: 351-373. link 2016 Clarke, C.N., D.J. Fraser, & C.F. Purchase. Life-long and carry-over effects of early captive exposure in Atlantic salmon. Animal Conservation, 19: 350-359. link 2015 Wringe, B.F, I.A. Fleming, & C.F. Purchase. Rapid morphological divergence of cultured Atlantic cod of the northwest Atlantic from their source population. Aquaculture Environment Interactions, 7: 167-177. link 2015 Wringe, B, I.A. Fleming, & C.F. Purchase. The spawning success of cultured and wild male Atlantic cod is equal when competed in trios. Marine Ecology Progress Series, 535: 197-211. link 2015 Warner, L.A., C.F. Purchase, & G. Veinott. Seasonal variation in estuarine habitat use by native Atlantic salmon and invasive brown trout in southeast Newfoundland. Northeastern Naturalist, 22(2): 424-426. PDF 2015 Beirão, J., C.F. Purchase, B.F. Wringe, & I.A. Fleming. Inter-population ovarian fluid variation differentially modulates sperm motility in Atlantic cod. Journal of Fish Biology, 87: 54-68. PDF 2015 Beirão, J., J. Lewis, & C.F. Purchase. Spermatozoa ultrastructure of two osmerid fishes in the context of their family (Teleostei: Osmeriformes: Osmeridae). Journal of Applied Ichthyology, 31 (Supplement 1): 28-33. PDF 2014 Mitchell, J.S., & C.F. Purchase. Rapid colonization of a species at risk: a new eastern range limit for Banded killifish, Fundulus diaphanus in Newfoundland. Northeastern Naturalist, 21(3): 41-44. PDF 2014 Beirão, J., C.F. Purchase, B.F. Wringe, & I.A. Fleming. Wild Atlantic cod sperm motility is negatively affected by ovarian fluid of farmed females. Aquaculture Environment Interactions, 5: 61-70. PDF 2014 Veinott, G., P.A.H. Westley, C.F. Purchase, & L. Warner. Experimental tests to confirm chemical stability of otolith cores reveal significant variability and post-depositional changes. Canadian Journal of Fisheries and Aquatic Sciences, 71: 356-365. PDF 2014 Beirão, J., C.F. Purchase, B.F. Wringe, & I.A. Fleming. Sperm plasticity to elevated seawater temperatures in Atlantic cod (Gadus morhua) is affected more by population origin than individual environmental exposure. Marine Ecology Progress Series, 495: 263-274. PDF 2013 Puckrin, O.A., C.F. Purchase, & E.A. Trippel. Using purposeful inbreeding to reduce outbreeding depression caused by escaped cultivated Atlantic cod. Aquaculture Environment Interactions, 4: 207-221. PDF 2013 Zimmermann, E., C.F. Purchase, I.A. Fleming, & J. Brattey. Dispersal of wild and escapee farmed Atlantic cod (Gadus morhua) in Newfoundland. Canadian Journal of Fisheries and Aquatic Sciences, 70: 747-755. PDF 2012 Zimmermann, E., C.F. Purchase, & I.A. Fleming. Reducing the incidence of net cage biting and the expression of escape-related behaviours in Atlantic cod (Gadus morhua) with feeding and cage enrichment. Applied Animal Behaviour Science, 141: 71-78. PDF 2012 Purchase, C.F., & T.R. Moreau. Stressful environments induced novel phenotypic variation: hierarchical reaction norms for sperm performance of a pervasive invader. Ecology and Evolution, 2(10): 2567-2576. PDF 2012 Purchase, C.F., & P. Earle. Modifications to the ImageJ computer assisted sperm analysis (CASA) plugin greatly improve efficiency and fundamentally alter the scope of attainable data. Journal of Applied Ichthyology, 28: 1013-1016. DOWNLOAD modified ImageJ CASA_automated instruction and execution files DOWNLOAD sample videos for CASA_automated (five 21s zipped videos are 3GB) PDF 2012 Veinott, G., P.A.H. Westley, L.A. Warner, & C.F. Purchase. Assigning origins in a potentially mixed-stock recreational sea trout (Salmo trutta) fishery. Ecology of Freshwater Fish, 21: 541-551. PDF 2010 Rennie, M.D., C.F. Purchase, B.J. Shuter, N.C. Collins, P.A. Abrams, & G.E. Morgan. Prey life-history and bioenergetic reponses across a predation gradient. Journal of Fish Biology, 77: 1230-1251. PDF 2010 Gavaris, S., K.J. Clark, A.R. Hanke, C.F. Purchase, & J. Gale, 2010. Overview of discards from Canadian commercial fisheries in NAFO Divisions 4V, 4W, 4X, 5Y, and 5Z for 2002-2006. Canadian Technical Report of Fisheries and Aquatic Sciences 2873: vi + 112 p. PDF 2010 Purchase, C.F., I.A.E. Butts, A. Alonso-Fernández, & E.A. Trippel. Thermal reaction norms in sperm performance of Atlantic cod (Gadus morhua). Canadian Journal of Fisheries and Aquatic Sciences, 67: 498-510. PDF 2009 Wheeler, J.P., C.F. Purchase, P.D.M. Macdonald, R. Fill, L. Jacks, H. Wang, & C.L. Ye. Temporal changes in maturation, mean length-at-age, and condition of spring-spawning Atlantic herring (Clupea harengus) in Newfoundland waters. ICES Journal of Marine Science, 66: 1800-1807. PDF 2008 Rennie, M.D., C.F. Purchase, N.P. Lester, N.C. Collins, B.J. Shuter, & P.A. Abrams. Lazy males? Bioenergetic differences in energy acquisition and metabolism help to explain sexual size dimorphism in percids. Journal of Animal Ecology, 77: 916-926. PDF 2008 Purchase, C.F., & J.A. Hutchings. A temporally stable spatial pattern in the spawner density of a freshwater fish: evidence for an ideal despotic distribution. Canadian Journal of Fisheries and Aquatic Sciences, 65: 382-388 PDF 2007 Purchase, C.F., D.J. Hasselman, & L.K. Weir. Relationship between fertilization success and the number of milt donors in rainbow smelt Osmerus mordax (Mitchell): implications for population growth rates. Journal of Fish Biology, 70: 934-946. PDF 2006 Purchase, C.F., J.A. Hutchings, & G.E. Morgan. The biological and statistical significance of life history invariants in walleye (Sander vitreus). Evolutionary Ecology Research, 8: 295-308. PDF 2006 Purchase, C.F., H.P. Benoît, D.L. Boyce, G.E. Brown, V. Gotceitas, B.J. Laurel, V. Puvanendran, and R.J. Thompson. TRIBUTE: Joseph A. Brown, Ph.D. Canadian Journal of Fisheries and Aquatic Sciences, 63: iii-iv. PDF 2005 Purchase, C.F., N.C. Collins, G.E. Morgan, & B.J. Shuter. Sex-specific covariation among life history traits of yellow perch (Perca flavescens). Evolutionary Ecology Research, 7: 549-566. PDF 2005 Purchase, C.F., N.C. Collins, & B.J. Shuter. Sensitivity of maximum sustainable harvest rates to intra-specific life history variability of lake trout (Salvelinus namaycush) and walleye (Sander vitreus). Fisheries Research, 72: 141-148. PDF 2005 Purchase, C.F., N.C. Collins, G.E. Morgan, & B.J. Shuter. Predicting life history traits of yellow perch Perca flavescens from environmental characteristics of lakes. Transactions of the American Fisheries Society, 134: 1369-1381. PDF 2005 Rennie, M.D., N.C. Collins, C.F. Purchase, & A. Tremblay. Predictive models of benthic invertebrate methylmercury in Ontario and Quebec lakes. Canadian Journal of Fisheries and Aquatic Sciences, 62: 2770-2783.