Modeling response of tree slenderness to climate, soil, diversity, and competition in natural secondary forests

Wang, Junjie; Wang, Youzhu; Tian, Dongyuan; Wang, Weifang; Jiang, Lichun

doi:10.1016/j.foreco.2023.121253

Cited by 2 publications

(3 citation statements)

References 65 publications

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“…Increases in aspen density are generally observed to result in increases in slenderness [9,11,26,36] while environmental (climate and soil) factors may interact with competition and result in further adjustments to slenderness [37]. Decreases in aspen slenderness with age are small and consistent with generally observed decreases in slenderness of trees with age [38].…”

Section: Trembling Aspen Responsessupporting

confidence: 69%

“…As a result, the ratio of height to root collar diameter (HDR) or height to DBH (slenderness) increases in response to increases in intensity and duration of competition [36]. In addition to the competition, the ratio of height to diameter is influenced by a range of environmental factors, including variations in spring, summer, and fall growing conditions, soil resource availability, stem sway, stem bending [36], and climate [37].…”

Section: White Spruce Responsesmentioning

confidence: 99%

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Aspen and Spruce Densities Affect Tree Size, Future Stand Volume, and Aboveground Carbon Following Precommercial Thinning

Comeau,

Bokalo

2024

Forests

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Data collected over a 30-year period from an experiment replicated across 21 locations in western Canada are used to explore the effects of precommercial thinning of trembling aspen to a range of densities in combination with three initial white spruce densities on tree growth and stand dynamics. Increasing differentiation amongst the 15 treatments was observed with age after thinning for both spruce and aspen responses. Spruce height and diameter declined with increasing aspen density. At age 10 spruce diameter with no aspen was 1.5× that of spruce in unthinned while it was 2.6× that of spruce in unthinned at age 28. Following thinning aspen DBH and crown width declined with increasing density of retained aspen while slenderness and height to crown base of aspen increased. Thinning to 1500 aspen·ha−1 resulted in aspen DBH that was 22% larger relative to the unthinned at age 28. Spruce volume and stemwood biomass at age 90, estimated using the Mixedwood Growth Model (MGM21), declined with increasing initial aspen density, with the complete removal of aspen resulting in nearly double the spruce volume of unthinned plots. However, total stand volume, total stand biomass, and stemwood carbon at age 90 are predicted to be largest in mixed stands with aspen densities of 1500 stems·ha−1 or higher.

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Section: Trembling Aspen Responsessupporting

confidence: 69%

Section: White Spruce Responsesmentioning

confidence: 99%

Aspen and Spruce Densities Affect Tree Size, Future Stand Volume, and Aboveground Carbon Following Precommercial Thinning

Comeau,

Bokalo

2024

Forests

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“…Figure 8 shows that recently, research efforts have been focused on urban forestry and tree failure due to decay (disease) [116]. Climate change and diversity are two sub-themes driving recent studies on the stability of rural forests [117,118].…”

Section: Research Themesmentioning

confidence: 99%

Unearthing Current Knowledge Gaps in Our Understanding of Tree Stability: Review and Bibliometric Analysis

Ekeoma,

Sterling,

Metje

et al. 2024

Forests

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Forest preservation and management are paramount for sustainable mitigation of climate change, timber production, and the economy. However, the potential of trees and forests to provide these benefits to the ecosystem is hampered by natural phenomena such as windthrow and anthropogenic activities. The aim of the current research was to undertake a critical thematic review (from 1983 to 2023) informed by a bibliometric analysis of existing literature on tree stability. The results revealed an increase in tree stability research between 2019 and 2022, with the USA, France, and Italy leading in research output, while Scotland and England notably demonstrated high research influence despite fewer publications. A keyword analysis showed that tree stability can be divided into four themes: tree species, architecture, anchorage, and environmental factors. Prominent studies on tree stability have focused on root anchorage. However, more recently, there has been a growing emphasis on urban forestry and disease-induced tree damage, underscoring a shift towards climate change and diversity research. It was concluded that considerable knowledge gaps still exist; that greater geographic diversification of research is needed and should include tropical and sub-tropical regions; that research relating to a wider range of soil types (and textures) should be conducted; and that a greater emphasis on large-scale physical modelling is required. Data and knowledge produced from these areas will improve our collective understanding of tree stability and therefore help decision makers and practitioners manage forestry resources in a more sustainable way into the future.

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Modeling response of tree slenderness to climate, soil, diversity, and competition in natural secondary forests

Cited by 2 publications

References 65 publications

Aspen and Spruce Densities Affect Tree Size, Future Stand Volume, and Aboveground Carbon Following Precommercial Thinning

Aspen and Spruce Densities Affect Tree Size, Future Stand Volume, and Aboveground Carbon Following Precommercial Thinning

Unearthing Current Knowledge Gaps in Our Understanding of Tree Stability: Review and Bibliometric Analysis

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