Growth Patterns of Tree Height and Stem Diameter in Populations of Abies Veitchii, A. Mariesii and Betula Ermanii

Hara, Toshihiko; Kimura, Makoto; Kikuzawa, Kihachiro

doi:10.2307/2261100

Cited by 92 publications

(47 citation statements)

References 37 publications

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“…Such a difference in growth patterns is accompanied by trade-offs among the quantities of assimilates allocated to a plant's parts, such as the stem, branches, foliage and roots (Shukla & Ramakrishnan 1986;Kohyama 1987;King 1990aKing , 1991aKohyama & Grubb 1994;Schmid & Bazzaz 1994). Height growth and diameter growth can form important trade-off relationships (Hara, Kimura & Kikuzawa 1991); gaining height is important for competing with neighbours (e.g. Mäkelä 1986;King 1990b), but a greater height growth rate may be attained at the cost of stem diameter growth which is necessary to mechanically and physiologically support the crown (King 1981;Mäkelä 1986).…”

Section: Introductionmentioning

confidence: 99%

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Trade‐off between height growth and stem diameter growth for an evergreen Oak, Quercus glauca, in a mixed hardwood forest

1997

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Summary 1.Patterns of stem growth of a mid-successional evergreen Oak species (Quercus glauca) in a mixed hardwood forest were examined to explore the trade-off relationship between stem-diameter growth and height growth. 2. The mean cross-sectional area (and the corresponding mean diameter) of a stem at a point in time was defined as the stem volume divided by tree height. Based on this definition, a simple equation representing the trade-off relationship between the height growth and mean diameter growth was formulated. 3. In the long term, allocation to height growth was encouraged at the seedling stage and it gradually declined with time, with the decline in the suppressed seedlings being more pronounced than in the dominant trees. 4. However, both the suppressed and the dominant trees showed acceleration of height growth at various ages. Such a fluctuation in the allocation of biomass to height growth is likely to have been caused by chronological changes in light conditions, and meandered the trajectory of allometry between the height and mean diameter. 5. The observed stem growth patterns of the individual trees could explain the chronological changes in the diameter-height relationship of the population.

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Section: Introductionmentioning

confidence: 99%

“…Kohyama, Hara & Tadaki 1990;Yokozawa & Hara 1995), the mechanisms of such changes have seldom been related to stem growth patterns of individual trees (e.g. Hara et al 1991).…”

Section: Introductionmentioning

confidence: 99%

Trade‐off between height growth and stem diameter growth for an evergreen Oak, Quercus glauca, in a mixed hardwood forest

1997

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“…On the other hand, it can be straightforwardly evidenced that to neglect Δh/h in eqn. 4, as e.g., carried out in the professional practice by adopting the so-called K400 criterion (see (Sumida et al 1997): under natural conditions, a decrease of the longitudinal growth with size can be observed for most tree species, while radial growth tends to be constant for long time (Hara et al 1991). Although age influence cannot be completely excluded, various authors (e.g., Maggs 1964in Enquist 2003, Mencuccini et al 2005, Anfodillo et al 2006, Petit et al 2008 have shown that the reduction of height increment is mainly due to functional tree-size constraints: from a practical point of view, small trees tend to have greater relative height increments regardless of age, while large trees tend to have gradually smaller relative ones.…”

Section: Discussionmentioning

confidence: 99%

Simplified methods to inventory the current annual increment of forest standing volume

Marziliano¹,

Menguzzato²,

Scuderi³

et al. 2012

iForest

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The assessment of the current annual increment of forest standing volume (CAI) is a fundamental tool to support forest management and planning. A suitable approach to such an end is to rely on growth and yield models. However, this kind of models are often not available for many countries and/or locations and/or species. Furthermore, they may become obsolete due to potential changes in the environmental and silvicultural conditions. Such shortcomings may be distinctively detrimental in the context of forest inventories. Several methods have been proposed to inventory CAI on one single occasion, i.e., when repeated measurements of standing volume are not available. A well-known family of methods, still largely exploited in Alpine and Eastern European countries, derives from the estimation of the percentage current annual increment of forest standing volume by the current annual increments of stem diameter and tree height (Δh). In this study an experimental comparison of Δh assessment by three different approaches is presented with reference to a properly designed case study: (i) Δh is measured on felled trees; (ii) Δh is estimated by dynamic height curve (i.e., diameter-height-age model); (iii) Δh is estimated by conventional height curve (i.e., diameter-height model). Under the examined experimental conditions (a pure forest of silver fir on highly fertile soils in southern Italy, aged around 60 years), both simplified approaches (ii) and (iii) have proven to underestimate height increments, with a larger underestimation by the approach based on the conventional height curve. However, the consequent error in the estimation of percentage current annual increment of forest standing volume has proved to be quite limited (4% for the approach based on the dynamic height curve and around 9% for the approach based on the conventional height curve). Hence, such simplified approaches may be rather safely considered for estimating percentage current annual increment of forest standing volume when neither Δh is directly detectable on standing trees nor sample trees can be felled, nor an appropriate model to predict Δh is available. The Δh estimation on the conventional height curve should turn out to be even more suitable in the case of uneven-aged stands, where the position of the height curve remains stationary over time

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“…On the other hand, most of the forest growth studies selected the individual trees to be sampled (Klepac 1976;Hara et al 1991;Mayor, Roda 1993;Everard, Christie 1995) according to their health and forest structure tree characteristics. This can overestimate the model outputs, because the non-selected trees usually have less growth, e.g.…”

Section: Discussionmentioning

confidence: 99%

Stand growth model using volume increment/basal area ratios

Pastur¹,

J²,

M³

et al. 2008

J. For. Sci.

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Estimation of stand growth is crucial for forest planning. Estimations were usually done using fixed values, and recently growth equations have been used. An alternative is through stand growth models. The objective was to develop a simple model for Nothofagus pumilio stands with full density along site quality and age gradients. The sample was obtained from 125 stands. Data on forest structure and samples for tree-ring measurement were taken in all trees to estimate growths using biometric models previously developed. The growth values of each plot during the last twenty years were calculated to fit the model, using the ratio of total volume increment/basal area as an independent variable. The developed model gives a ratio between stand volume increment and basal area (m/year) in relation to the site quality and stand age. The statistics (r 2 = 0.819, mean error = 0.019, absolute mean error = 0.033), residual analysis and biological performance were satisfactory. The obtained stand growths varied between 1 and 20 m 3 /ha/year. This simple model allowed to estimate growth values at a stand level from easy field measurements from forest inventories.

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Growth Patterns of Tree Height and Stem Diameter in Populations of Abies Veitchii, A. Mariesii and Betula Ermanii

Cited by 92 publications

References 37 publications

Trade‐off between height growth and stem diameter growth for an evergreen Oak, Quercus glauca, in a mixed hardwood forest

Trade‐off between height growth and stem diameter growth for an evergreen Oak, Quercus glauca, in a mixed hardwood forest

Simplified methods to inventory the current annual increment of forest standing volume

Stand growth model using volume increment/basal area ratios

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