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Publications by J.D. Simpson

126 records.

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Patterns of cross-continental variation in tree seed mass in the Canadian boreal forest
Liu, J.; Bai, Y.; Lamb, E.G.; Simpson, J.D.; Liu, G.; Wei, Y.; Papadopol, P.
Year: 2013    Catalog ID: 34668
Available from: Atlantic Forestry Centre
CFS Availability: PDF (download)

Available from the Journal's Web site.
DOI: 10.1371/journal.pone.0061060
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Report on the State of Canada's Forest Genetic Resources.
Beardmore, T.; Forbes, K.; Simpson, J.D.; Williams, M; Barnhardt, L.K.; Dunford, L.; Gauthier, V.; Linehan, B.; McAfee, B.J.; Myers, M.; Rainville, A.; Sharples, R.; Weng, Y.H.; Woods, J.
Year: 2012    Catalog ID: 34575
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2012    Catalog ID: 34530
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2012    Catalog ID: 34529
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre annual report 2011.
Simpson, J.D.; Daigle, B.I.
Year: 2012    Catalog ID: 34454
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Improving the quality of white birch (Betula papyrifera) seed. II.
Simpson, J.D.; Daigle, B.I.
Year: 2012    Catalog ID: 34453
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2011    Catalog ID: 34528
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2011    Catalog ID: 34527
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre annual report 2010
Simpson, J.D.; Daigle, B.I.
Year: 2011    Catalog ID: 34452
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Comparison of black ash excised embryo tests vs. germination tests.
Simpson, J.D.; Daigle, B.I.
Year: 2011    Catalog ID: 34451
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Improving the quality of white birch (Betula papyrifera) seed
Simpson, J.D.; Daigle, B.I.
Year: 2011    Catalog ID: 34450
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Conserving Canada’s ash resource / La conservation des frênes du Canada
Simpson, J.D.
Year: 2011    Catalog ID: 33722
Available from: Atlantic Forestry Centre
CFS Availability: Print (free), PDF (download)
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2010    Catalog ID: 34526
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2010    Catalog ID: 34525
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Moist chilling and dormancy of eastern white pine (Pinus strobus L.) seeds.
Wang, B.S.P.; Simpson, J.D.; Daigle, B.I.
Year: 2010    Catalog ID: 34449
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Conserving forest genetic resources by seed storage
Simpson, J.D.; Wang, B.S.P.
Year: 2010    Catalog ID: 34448
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Ex situ conservation of ash seed in Canada
Simpson, J.D.
Year: 2010    Catalog ID: 34447
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre annual report 2009
Daigle, B.I.; Simpson, J.D.
Year: 2010    Catalog ID: 34446
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A red pine provenance test in northwestern Ontario: 48-year results.
Rahi, A.A.; Bowling, C.; Simpson, J.D.
Year: 2010    Catalog ID: 34439
Available from: Atlantic Forestry Centre
CFS Availability: PDF (request by e-mail)
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Moist chilling and dormancy of eastern white pine (Pinus strobus L.) seeds
Wang, B.S.P.; Simpson, J.D.; Daigle, B.I.
Year: 2010    Catalog ID: 32162
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Ex situ conservation of tree seeds: a Canadian perspective
Beardmore, T.; Simpson, J.D.
Year: 2010    Catalog ID: 32161
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Tree improvement effects on tree size distribution for Picea glauca and Picea mariana in New Brunswick, Canada
Weng, Y.H.; Park, Y.S.; Simpson, J.D.; Tosh, K.; Fullarton, M.
Year: 2010    Catalog ID: 32029
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Ex situ conservation of ash seed in Canada
Simpson, J.D.
Year: 2010    Catalog ID: 32022
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2009    Catalog ID: 34524
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2009    Catalog ID: 34523
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Applicability of the accelerated aging technique in predicting storability of lodgepole pine (Pinus contorta var. latifolia Engelm.) seed.
Wang, B.S.P.; Andriuk, C; Simpson, J.D.
Year: 2009    Catalog ID: 34444
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Status of the OECD tree seed certification scheme
Simpson, J.D.
Year: 2009    Catalog ID: 34443
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Conservation of genetic diversity by tree seed centres
Simpson, J.D.
Year: 2009    Catalog ID: 34442
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Seed testing at the National Tree Seed Centre.
Daigle, B.I.; Simpson, J.D.
Year: 2009    Catalog ID: 34441
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre annual report 2008
Daigle, B.I.; Simpson, J.D.
Year: 2009    Catalog ID: 34440
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Efficiencies of clonally replicated and seedling testing for spruce breeding and deployment strategies
Weng, Y.H.; Park, Y.S.; Simpson, J.D.; Mullin, T.J.
Year: 2009    Catalog ID: 32030
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Genetic diversity and gene conservation research at the Atlantic Forestry Centre, 2006-2008
Loo, J.A.; Daigle, B.I.; Forbes, K.; McPhee, D.; Pond, S.E.; Simpson, J.D.
Year: 2009    Catalog ID: 30091
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Dormancy and moist-chilling requirements for germination of white spruce seeds from various latitudes in Canada
Wang, B.S.P.; Simpson, J.D.
Year: 2009    Catalog ID: 30092
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Collecting and processing Salicaceae seeds
Daigle, B.I.; Simpson, J.D.
Year: 2009    Catalog ID: 30093
Available from: Atlantic Forestry Centre
CFS Availability: Print (free), PDF (download)
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Five years’ storage of seeds from three willow species
Simpson, J.D.; Daigle, B.I.
Year: 2009    Catalog ID: 30094
Available from: Atlantic Forestry Centre
CFS Availability: Print (free), PDF (download)
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Ash seed collections for genetic conservation
Simpson, J.D.; Daigle, B.I.
Year: 2008    Catalog ID: 34522
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2008    Catalog ID: 34520
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2008    Catalog ID: 34519
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Impact of storage on viability of white spruce seed
Simpson, J.D.; Daigle, B.I.; Hayes, D
Year: 2008    Catalog ID: 28267
Available from: Atlantic Forestry Centre
CFS Availability: Print (free), PDF (download)
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2007    Catalog ID: 34518
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Seed longevity at the National Tree Seed Centre.
Simpson, J.D.
Year: 2007    Catalog ID: 34517
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2007    Catalog ID: 34515
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre turns 40!
Simpson, J.D.; Daigle, B.I.
Year: 2007    Catalog ID: 34480
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre / Centre national de semences forestières
Simpson, J.D.; Daigle, B.I.
Year: 2007    Catalog ID: 33718
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Proceedings of the Forum on the Conservation of Forest Genetic Resources: Challenges, Issues, and Solutions
Simpson, J.D.
Year: 2007    Catalog ID: 28029
Available from: Atlantic Forestry Centre
CFS Availability: Print (free), PDF (download)
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The National Tree Seed Centre celebrates 40 years
Simpson, J.D.; Wang, B.S.P.
Year: 2007    Catalog ID: 27561
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Tree species of concern in New Brunswick, Canada. I. Current status and threats
Loo, J.A.; Beardmore, T.; Simpson, J.D.; McPhee, D.
Year: 2007    Catalog ID: 27342
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Tree species of concern in New Brunswick, Canada. II. Guidelines for conservation of genetic resources
Loo, J.A.; Beardmore, T.; Simpson, J.D.; McPhee, D.
Year: 2007    Catalog ID: 27343
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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OECD tree seed scheme meeting
Simpson, J.D.
Year: 2006    Catalog ID: 34514
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2006    Catalog ID: 34513
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2006    Catalog ID: 34511
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 2006    Catalog ID: 34479
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A survey of tree species of concern in Canada: the role for genetic conservation
Beardmore, T.; Loo, J.A.; McAfee, B.J.; Malouin, C.; Simpson, J.D.
Year: 2006    Catalog ID: 26245
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Factors affecting tree seed storage
Wang, B.S.P.; Simpson, J.D.
Year: 2006    Catalog ID: 26212
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 2005    Catalog ID: 34510
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 2005    Catalog ID: 34509
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2005    Catalog ID: 34508
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2005    Catalog ID: 34507
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 2005    Catalog ID: 34478
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2004    Catalog ID: 34506
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 2004    Catalog ID: 34505
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effects of chilling duration and germination temperature on germination of eastern hemlock seed
Simpson, J.D.; Daigle, B.I.
Year: 2004    Catalog ID: 34503
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2004    Catalog ID: 34502
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Ex situ conservation strategy for butternut (Juglans cinerea)
Beardmore, T.; Forbes, K.; Loo, J.A.; Simpson, J.D.
Year: 2004    Catalog ID: 25175
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Soaking, moist-chilling, and temperature effects on germination of Acer pensylvanicum seeds
Bourgoin, A.; Simpson, J.D.
Year: 2004    Catalog ID: 25109
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Factors affecting tree seed storage
Wang, B.S.P.; Simpson, J.D.
Year: 2004    Catalog ID: 25005
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Long-term seed storage of various Canadian hardwoods and conifers
Simpson, J.D.; Wang, B.S.P.; Daigle, B.I.
Year: 2004    Catalog ID: 24919
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Book review of J.A. Vozzo, Ed. 2002. Tropical tree seed manual
Simpson, J.D.
Year: 2004    Catalog ID: 24673
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2003    Catalog ID: 34501
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Seed testing manuals
Simpson, J.D.
Year: 2003    Catalog ID: 34500
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Maximizing quality of Betula papyrifera seed
Simpson, J.D.; Daigle, B.I.
Year: 2003    Catalog ID: 34499
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin.
Simpson, J.D.
Year: 2003    Catalog ID: 34497
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Effect of soaking, moist chilling, and temperature on germination of Acer pensylvanicum seed
Bourgoin, A.; Simpson, J.D.
Year: 2003    Catalog ID: 23145
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Developing gene conservation strategies for tree and shrub species
Loo, J.A.; Beardmore, T.; Simpson, J.D.; McPhee, D.
Year: 2003    Catalog ID: 23146
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Genetic diversity and gene conservation research at Canadian Forest Service - Atlantic Forestry Centre
Daigle, B.I.; Forbes, K.; Loo, J.A.; Major, J.E.; McPhee, D.; Mosseler, A.; Simpson, J.D.
Year: 2003    Catalog ID: 23147
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Long-term storage potential of seed from four species of spruce
Simpson, J.D.; Daigle, B.I.; Wang, B.S.P.
Year: 2003    Catalog ID: 23148
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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OECD seed certification
Simpson, J.D.
Year: 2002    Catalog ID: 34498
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree Seed Working Group news bulletin
Simpson, J.D.
Year: 2002    Catalog ID: 34496
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Regulations
Simpson, J.D.; Wang, B.S.P.
Year: 2002    Catalog ID: 34494
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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OECD seed certification
Simpson, J.D.; Daigle, B.I.
Year: 2002    Catalog ID: 34474
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 2002    Catalog ID: 34473
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Proceedings of the 28th meeting of the Canadian Tree Improvement Association: Integrating Tree Improvement with Sustainable Forest Management Practice. Part 1- Minutes and Members' Reports. Part 2 - Symposium.
Simpson, J.D.
Year: 2002    Catalog ID: 24402
Available from: Northern Forestry Centre
CFS Availability: PDF (download)
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Canada's National Tree Seed Centre
Simpson, J.D.
Year: 2002    Catalog ID: 21071
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Seed viability of three Salix species after 24 months' storage at two moisture contents and four temperatures
Daigle, B.I.; Simpson, J.D.
Year: 2002    Catalog ID: 21072
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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National Tree Seed Centre
Kolotelo, D.; Palamarek, D.; Simpson, J.D.
Year: 2001    Catalog ID: 34492
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 2001    Catalog ID: 34472
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Biodiversity research at Canadian Forest Service - Atlantic Forestry Centre, 1997-2000
Barsi, D.C.; Beardmore, T.; Daigle, B.I.; Campbell, M.; Forbes, K.; Loo, J.A.; Major, J.E.; McPhee, D.; Mosseler, A.; Scheer, G.; Simpson, J.D.
Year: 2001    Catalog ID: 25023
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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The role of the National Tree Seed Centre in genetic conservation
Simpson, J.D.
Year: 2001    Catalog ID: 25024
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Imbibition trial
Kolotelo, D.; Palamarek, D.; Simpson, J.D.
Year: 2000    Catalog ID: 34493
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.
Year: 2000    Catalog ID: 34491
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 2000    Catalog ID: 34471
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Indicators of population viability in red spruce, Picea rubens.
Mosseler, A.; Major, J.E.; Simpson, J.D.; Daigle, B.I.; Lange, K.; Park, Y.S.; Johnsen, K.H.; Rajora, O.P.
Year: 2000    Catalog ID: 18153
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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National Tree Seed Centre
Simpson, J.D.
Year: 1998    Catalog ID: 34489
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.
Year: 1998    Catalog ID: 34488
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Operation of the Scheme in Canada
Simpson, J.D.
Year: 1998    Catalog ID: 34487
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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A list of seed at the National Tree Seed Centre
Simpson, J.D.; Daigle, B.I.
Year: 1998    Catalog ID: 6267
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Biodiversity research at Canadian Forest Service - Atlantic Forestry Centre
Beardmore, T.; Daigle, B.I.; Campbell, M.; DeVerno, L.L.; Johnsen, K.H.; Loo, J.A.; Major, J.E.; McPhee, D.; Mosseler, A.; Scheer, G.; Simpson, J.D.
Year: 1998    Catalog ID: 6272
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Selection of superior trees
Simpson, J.D.
Year: 1998    Catalog ID: 6436
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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The New Brunswick Tree Improvement Council is 20 years old
Tosh, K.; Simpson, J.D.
Year: 1997    Catalog ID: 34486
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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National Tree Seed Centre
Simpson, J.D.
Year: 1997    Catalog ID: 34485
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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The New Brunswick Tree Improvement Council is 20 years old
Simpson, J.D.; Tosh, K.
Year: 1997    Catalog ID: 20216
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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The New Brunswick Tree Improvement Program
Simpson, J.D.
Year: 1997    Catalog ID: 6164
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Relative density and growth of eleven Norway spruce provenances in central New Brunswick
Bujold, S.J.; Simpson, J.D.; Beukeveld, J.H.J.; Schneider, M.H.
Year: 1996    Catalog ID: 6018
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Variation in the relationship of wood density with growth in 40 black spruce (Picea mariana) families grown in New Brunswick
Zhang, S.Y.; Simpson, J.D.; Morgenstern, E.K.
Year: 1996    Catalog ID: 6226
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Stochastic simulation approach to management of tree populations for genetic gain and diversity. (Abstract)
Mullin, T.J.; Park, Y.S.; Simpson, J.D.
Year: 1996    Catalog ID: 6323
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Genetic parameters and correlations in tests of open-pollinated black spruce families in field and retrospective nursery test environments
Mullin, T.J.; Adams, G.W.; Simpson, J.D.; Tosh, K.J.; Greenwood, M.S.
Year: 1995    Catalog ID: 6125
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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An overview of pollen contamination studies by the New Brunswick and Nova Scotia Departments of Natural Resources
Simpson, J.D.; Fullarton, M.; Nitschke, P.
Year: 1992    Catalog ID: 6489
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Jack pine cone shape: its genetics and effect on seed
Simpson, J.D.
Year: 1991    Catalog ID: 34484
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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New Brunswick seed orchard production
Simpson, J.D.
Year: 1991    Catalog ID: 34483
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Genetically based differences in susceptibility of white spruce to the spruce bud moth
Quiring, D.T.; Turgeon, J.J.; Simpson, J.D.; Smith, A.
Year: 1991    Catalog ID: 7383
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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A selection index with desired gains to rogue jack pine seedling seed orchards
Park, Y.S.; Simpson, J.D.; Fowler, D.P.; Morgenstern, E.K.
Year: 1989    Catalog ID: 7799
Available from: Atlantic Forestry Centre
CFS Availability: PDF (download)
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Yield and wood properties of 25-year-old Japanese larch of different provenances in eastern Canada
Fowler, D.P.; Simpson, J.D.; Park, Y.S.; Schneider, M.H.
Year: 1988    Catalog ID: 7118
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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Genetic improvement of balsam fir for Christmas trees
Simpson, J.D.
Year: 1988    Catalog ID: 7446
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
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A manual for forest tree seed orchard management in the Maritimes
Simpson, J.D.; Smith, R.F.
Year: 1988    Catalog ID: 7790
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Tree improvement cooperatives in Canada: an overview
Coles, J.F.; Simpson, J.D.
Year: 1988    Catalog ID: 8451
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record
Tree breeding at the Canadian Forestry Service - Maritimes
Fowler, D.P.; Bonga, J.M.; Park, Y.S.; Simpson, J.D.; Smith, R.F.
Year: 1988    Catalog ID: 8467
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
Mark record
Replicating black spruce progeny tests over time may not be necessary
Simpson, J.D.
Year: 1988    Catalog ID: 8542
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record
Manual for forest tree seed orchard management in the Maritimes
Smith, R.F.; Simpson, J.D.
Year: 1988    Catalog ID: 8694
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
Mark record
More seed orchard seed collected in New Brunswick!
Simpson, J.D.
Year: 1987    Catalog ID: 34482
Available from: Atlantic Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
Mark record
Developing the superior balsam
Simpson, J.D.
Year: 1986    Catalog ID: 8541
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record
Status and outlook for tree improvement programs in the Northeast
Carter, K.K.; Simpson, J.D.
Year: 1985    Catalog ID: 7008
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record
Progress on improved seed production in the Maritimes
Simpson, J.D.
Year: 1985    Catalog ID: 8538
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record
A guide for establishing a permanent sod cover in forest tree seed orchards
Clare, S.G.; Dykeman, B.W.; Smith, R.F.; Simpson, J.D.
Year: 1984    Catalog ID: 7913
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record
The New Brunswick Tree Improvement Council's breeding strategy for tamarack
Simpson, J.D.
Year: 1983    Catalog ID: 8539
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record
Site selection for black spruce (Picea mariana (Mill.) B.S.P.) seedlings seed orchards and management techniques for seed orchards in New Brunswick
Simpson, J.D.
Year: 1982    Catalog ID: 8537
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record
Some factors influencing cone production on young black spruce in New Brunswick
Simpson, J.D.; Powell, G.R.
Year: 1981    Catalog ID: 7447
Available from: Atlantic Forestry Centre
CFS Availability: Print (free)
Mark record

This may not be a complete list of the author's publications. This list provides the author's publications since he or she joined, or worked in cooperation with, the CFS. When available, another link is provided for periods of work elsewhere.