Peer-reviewed articles

15.  Berdahl, A., P.A.H. Westley, S. Levin, I. Couzin, and T.P. Quinn. 2016. A collective navigation hypothesis for homeward migration in anadromous salmonids. Fish and Fisheries 17: 525-542.

14. Westley, P.A.H., A.H. Dittman, E. J. Ward, and T.P. Quinn.  2015. Signals of climate, conspecific density, and watershed features in patterns of homing and dispersal by Pacific salmon. Ecology 96: 2823-2833

13. Carlson, S.M, C. Cunningham, and P.A.H. Westley. Evolutionary rescue in a changing world. Trends in Ecology and Evolution. 2014. 29: 521-530.Tree Cover

12. Veinott, G., P.A.H Westley, C.F. Purchase, and L.Warner. Experimental evidence simultaneously confirms and contests assumptions implicit to otolith microchemistry research. 2014. CJFAS 71: 356-365

11.  Westley, P.A.H., R. Stanley, and I.A. Fleming. 2013.  Experimental tests for heritable morphological color plasticity in non-native brown trout populations. PlosONE: 8(11): e80401.doi:10.1371\journal.pone.0080401

10. Oke, K., P.A.H. Westley, D.T.R. Moreau, and I.A. Fleming. 2013. Hybridization between genetically-modified Atlantic salmon and wild brown trout reveals novel ecological interactions.Proceedings of the Royal Society: B. 280: 20131047 (F1000 recommended)

9. Westley, P.A.H., T.P. Quinn, and A.H. Dittman. 2013.  Straying by hatchery-produced Pacific salmon and steelhead differs among species, life history, and population. in press. CJFAS: 70, 735-746

ScreenHunter_08 Jan. 10 14.23

8. Westley, P.A.HE.J. Ward, and I.A. Fleming. 2012. Fine-scale local adaptation in an invasive freshwater fish has evolved in contemporary time. Proceedings of the Royal Society: B.* 280: 20122037

7Westley, P.A.H, C.M. Conway, and I.A. Fleming. 2012. Phenotypic divergence of exotic fish populations is shaped by spatial proximity and habitat differences across an invaded landscape. Evolutionary Ecology Research 14: 147-167.

6.Veinott, G., P.A.H Westley, C.F. Purchase, and L.Warner. 2012. Assigning origins in a potentially mixed-stock recreational sea trout (Salmo trutta) fishery. Ecology of Freshwater Fish 21: 541-551.5.

5. Westley, P.A.H. and I.A. Fleming. 2011*.  Landscape factors that shape a slow and persistent biological invasion: brown trout in Newfoundland 1883-2010.  Diversity & Distributions 17: 566-579.

4. Westley, P.A.H. 2011. What invasive species reveal about the rate and form of contemporary phenotypic change in nature.  American Naturalist 177: 496-509.

3. Westley, P.A.H., D.E. Schindler, T.P. Quinn, G.R. Ruggerone, and R. Hilborn. 2010.  Natural habitat change, commercial fishing, climate, and dispersal interact to restructure an Alaskanfish metacommunity.  Oecologia 163: 471-484.

2. Westley, P.A.H., R. Hilborn, T.P. Quinn, G.R. Ruggerone, and D.E. Schindler.  2008. Long-term changes in rearing habitat and downstream movement by juvenile sockeye salmon (Oncorhynchus nerka) in an interconnected Alaska lake system.  Ecology of Freshwater Fishes 17: 443-454.

1. Westley, P.A.H., S.M. Carlson, and T.P. Quinn.  2008. Among-population variation in adipose fin size parallels the expression of other secondary sexual characteristics in sockeye salmon (Oncorhynchus nerka).  Environmental Biology of Fishes 81: 439-446.


Publications (peer-reviewed technical reports) 

3. Westley, P.A.H, D. W. Ings, and I.A .Fleming. 2011. A review and annotated bibliography of the impacts of invasive brown trout (Salmo trutta) on native salmonids, with an emphasis on Newfoundland waters. Canadian Technical Report of Fisheries and Aquatic Sciences 2924, 81 p.

2. Westley, P.A.H and R. Hilborn.  2006.  Chignik Salmon Studies: Investigations of Salmon Populations, Hydrology, and Limnology of the Chignik Lakes, Alaska, During 2005-2006.  Available at:

1. Westley, P.A.H, B.E. Chasco, and R Hilborn.  2005. Chignik Salmon Studies: Investigations of Salmon Populations, Hydrology, and Limnology of the Chignik Lakes, Alaska, During 2004-2005.  Available at: .

Popular literature and Outreach

3. Interview on local CBC news to discuss brown trout in Newfoundland, aired May 24, 2008.  Can be viewed on YouTube at:

2. Westley, P.A.H. 2008. One trout, two trout, brook trout, brown trout: an overview of the wonderfully bizarre biology of salmonids. The Osprey (nature journal of Newfoundland and Labrador) 39: 139-143.

1Westley, P.A.H. 2008. Life-time angler with passion for salmon and trout biology lands ideal job in Newfoundland. Spawner Magazine. Published by the Salmon Preservation Association for the Waters of Newfoundland. Page 75.

*Paper featured on journal cover

Undergraduate at time of research