Variability in height growth, survival and nursery carryover effect of<i>Betula papyrifera</i>provenances

Dhar, Amalesh; Balliet, Nicole A.; Hawkins, Chris

doi:10.1080/02827581.2014.881541

Cited by 4 publications

(3 citation statements)

References 22 publications

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“…Similar observations were also reported by Hawkins & Dhar (2012) in another birch provenance trial in BC. For the same provenances trial, Dhar et al (2014) reported that a transfer of 5° latitude in both directions had no negative impact on B. papyrifera height growth. Given the small number of provenances in the study, this information should be used with caution.…”

Section: Discussionmentioning

confidence: 95%

Bud flush phenology and nursery carryover effect of paper birch provenances

Dhar¹,

Balliet²,

Hawkins³

et al. 2015

iForest

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Section: Discussionmentioning

confidence: 95%

Bud flush phenology and nursery carryover effect of paper birch provenances

Dhar¹,

Balliet²,

Hawkins³

et al. 2015

iForest

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“…A substantial annual temperature increase of ~4°C is predicted for the Acadian Forest Region under a high emissions scenario. This change in conditions will surpass the optimal growing temperature for boreal‐climate‐suited species like Abies balsamea and Betula papyrifera (Dhar et al, 2014 ; Frank, 1990 ; Wang et al, 1998 ). Previous studies have predicted a decline in the proportion of boreal species in the Acadian Forest by the late 21st century due to suboptimal growing conditions (Taylor et al, 2017 ), which is supported by the dramatic shifts predicted with our phenology models for the 21st century.…”

Section: Discussionmentioning

confidence: 99%

Section: Future Implicationsmentioning

confidence: 99%

Climate‐driven shifts in leaf senescence are greater for boreal species than temperate species in the Acadian Forest region in contrast to leaf emergence shifts

Spafford

MacDougall

Steenberg³

2023

Ecology and Evolution

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The Acadian Forest Region is a temperate‐boreal transitional zone in eastern North America which provides a unique opportunity for understanding the potential effects of climate change on both forest types. Leaf phenology, the timing of leaf life cycle changes, is an important indicator of the biological effects of climate change, which can be observed with stationary timelapse cameras known as phenocams. Using four growing seasons of observations for the species Acer rubrum (red maple), Betula papyrifera (paper/white birch) and Abies balsamea (balsam fir) from the Acadian Phenocam Network as well as multiple growing season observations from the North American PhenoCam Network we parameterized eight leaf emergence and six leaf senescence models for each species which span a range in process and driver representation. With climate models from the Fifth Phase of the Coupled Model Intercomparison Project (CMIP5) we simulated future leaf emergence, senescence and season length (senescence minus emergence) for these species at sites within the Acadian Phenocam Network. Model performances were similar across models and leaf emergence model RMSE ranged from about 1 to 2 weeks across species and models, while leaf senescence model RMSE ranged from about 2 to 4 weeks. The simulations suggest that by the late 21st century, leaf senescence may become continuously delayed for boreal species like Betula papyrifera and Abies balsamea, though remain relatively stable for temperate species like Acer rubrum. In contrast, the projected advancement in leaf emergence was similar across boreal and temperate species. This has important implications for carbon uptake, nutrient resorption, ecology and ecotourism for the Acadian Forest Region. More work is needed to improve predictions of leaf phenology for the Acadian Forest Region, especially with respect to senescence. Phenocams have the potential to rapidly advance process‐based model development and predictions of leaf phenology in the context of climate change.

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Transplantation ofLarix principis-rupprechtiiMayr. andPicea meyeriRehd. seedlings to low altitude and two contrasting light environments reveals climate warming effects on early seedling performance

Ning

Wang²,

et al. 2015

Scandinavian Journal of Forest Research

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Variability in height growth, survival and nursery carryover effect ofBetula papyriferaprovenances

Cited by 4 publications

References 22 publications

Bud flush phenology and nursery carryover effect of paper birch provenances

Bud flush phenology and nursery carryover effect of paper birch provenances

Climate‐driven shifts in leaf senescence are greater for boreal species than temperate species in the Acadian Forest region in contrast to leaf emergence shifts

Transplantation ofLarix principis-rupprechtiiMayr. andPicea meyeriRehd. seedlings to low altitude and two contrasting light environments reveals climate warming effects on early seedling performance

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