Ecology and Traits of Plant Species that Compete with Boreal and Temperate Forest Conifers: An Overview of Available Information and its Use in Forest Management in Canada

Bell, Frederick W.; Kershaw, Maureen; Aubin, Isabelle; Thiffault, Nelson; Dacosta, Jennifer; Wiensczyk, Alan

doi:10.5558/tfc2011-006

Cited by 18 publications

(8 citation statements)

References 30 publications

(28 reference statements)

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“…For example, Prunus pensylvanica L.f., the main tree species found at RP, and Rubus idaeus L., the dominant shrub species found at LC, build seed banks that remain viable for several decades (Graber and Thompson 1978). Although mechanical release with brushsaws rarely eliminates the competing species, owing to potentially vigorous vegetative reproduction following cutting (Bell et al 2011), Fig. 3 Seedling's diameter as a function of vegetation management and stock type at the Lac Castor (frames A, B) and Ruisseau Plourde (frames C, D) experimental sites.…”

Section: Discussionmentioning

confidence: 99%

Comparing large containerized and bareroot conifer stock on sites of contrasting vegetation composition in a non-herbicide scenario

2014

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Planting stock selection is an integral part of plantation management, as forest nursery practices influence the physiological status of the seedlings and their capacity to cope with resource availability on different planting sites. We thus compared the 11th-year dimensions and survival of large white spruce (Picea glauca) and black spruce (P. mariana) seedlings produced as 2 ? 2 bareroot or 2 ? 0 container stock (cell volume of 350 cm 3 ), used to reduce the need for competition control. Using complete split-block designs, we evaluated the seedling competitive potential and response to mechanical release on two sites of contrasting ecological fertility and vegetation dominance in Quebec, Canada. We found that large spruce seedlings can be successfully established on highcompetition sites in a context where chemical herbicides cannot be used. These stock types had a limited impact on survival and growth, and both stock responded similarly to mechanical vegetation control. In this context, the choice of stock type should prioritize the highest quality large seedling based on operational considerations such as availability and ease of transportation. Mechanical site preparation was not necessary to promote seedling growth and survival on these sub-boreal sites.

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Section: Discussionmentioning

confidence: 99%

Comparing large containerized and bareroot conifer stock on sites of contrasting vegetation composition in a non-herbicide scenario

2014

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“…A well designed and complete phytocoenological database enables scientists to perceive the faults and deficiencies in previous vegetation research and to direct the future studies accordingly (Bell et al, 2011;Uğurlu et al, 2012;Tozer et al, 2010, Radulović et al, 2011. The basic limitation of the aquatic and semiaquatic vegetation database formed as part of this study is the disproportionate geographical distribution of the phytocoenological relevés, which is not in proportion with the hydrography of Serbia.…”

Section: Discussionmentioning

confidence: 99%

The digital database of aquatic and semiaquatic vegetation in Serbia

Cvijanović

Živković

Novković

et al. 2016

Zb Mat srp prir nauk

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Despite the absence of a centralized national phytocoenological database of Serbia, over 16,000 relevés of all vegetation types have been gathered and stored in the database "Phytocoenosis of Serbia" as a result of the Project "Habitats of Serbia". However, as the data on aquatic and semiaquatic vegetation comprise only 5% of the collected relevés, the aim of this paper is to expand on this, complete the database and present the data on these vegetation types in Serbia. The work included the expansion of the existing database with the addition of relevant sources, their digitalization, using Flora and Turboveg programs, and their subsequent georeferencing, using OziExplorer and DIVAGIS softwares. Consequently, the phytocoenological database on aquatic and semiaquatic vegetation in Serbia now stores 1,720 relevés from 243 phytocoenological tables, collected and published by 24 authors during the period of 70 years (1940-2010), with the majority of the relevés collected over the last decade (56.40%).

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“…), beaked hazel (Corylus cornuta Marsh. ), and pin cherry (Prunus pensylvanica L. F.)) which compete asymmetrically for above-ground resources [16,46], this was a reasonable assumption. Given that long-term experimental results are lacking to test this assumption and early survival gains reported during the pre-crown closure period are often characterized by considerable variation in terms of their magnitude and duration (e.g., [29,41,47]), the use of a constant but developmental-limited mortality rate (until crown closure) to account for survival differences, was considered a prudent approach.…”

Section: Discussionmentioning

confidence: 99%

Yield Responses of Black Spruce to Forest Vegetation Management Treatments: Initial Responses and Rotational Projections

Newton

2012

International Journal of Forestry Research

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The objectives of this study were to (1) quantitatively summarize the early yield responses of black spruce (Picea mariana(Mill.) B.S.P.) to forest vegetation management (FVM) treatments through a meta-analytical review of the scientific literature, and (2) given (1), estimate the rotational consequences of these responses through model simulation. Based on a fixed-effects meta-analytic approach using 44 treated-control yield pairs derived from 12 experiments situated throughout the Great Lakes—St. Lawrence and Canadian Boreal Forest Regions, the resultant mean effect size (response ratio) and associated 95% confidence interval for basal diameter, total height, stem volume, and survival responses, were respectively: 54.7% (95% confidence limits (lower/upper): 34.8/77.6), 27.3% (15.7/40.0), 198.7% (70.3/423.5), and 2.9% (−5.5/11.8). The results also indicated that early and repeated treatments will yield the largest gains in terms of mean tree size and survival. Rotational simulations indicated that FVM treatments resulted in gains in stand-level operability (e.g., reductions of 9 and 5 yr for plantations established on poor-medium and good-excellent site qualities, resp.). The challenge of maintaining coniferous forest cover on recently disturbed sites, attaining statutory-defined free-to-grow status, and ensuring long-term productivity, suggest that FVM will continue to be an essential silvicultural treatment option when managing black spruce plantations.

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Ecology and Traits of Plant Species that Compete with Boreal and Temperate Forest Conifers: An Overview of Available Information and its Use in Forest Management in Canada

Cited by 18 publications

References 30 publications

Comparing large containerized and bareroot conifer stock on sites of contrasting vegetation composition in a non-herbicide scenario

Comparing large containerized and bareroot conifer stock on sites of contrasting vegetation composition in a non-herbicide scenario

The digital database of aquatic and semiaquatic vegetation in Serbia

Yield Responses of Black Spruce to Forest Vegetation Management Treatments: Initial Responses and Rotational Projections

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