2003
DOI: 10.1139/x02-180
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Growth-dependent tree mortality models based on tree rings

Abstract: Mortality is a crucial element of population dynamics. However, tree mortality is not well understood, particularly at the individual level. The objectives of this study were to (i) determine growth patterns (growth levels and growth trends) over different time windows that can be used to discriminate between dead and living Norway spruce (Picea abies (L.) Karst.) trees, (ii) optimize the selection of growth variables in logistic mortality models, and (iii) assess the impact of competition on recent growth in … Show more

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Cited by 150 publications
(143 citation statements)
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References 55 publications
(69 reference statements)
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“…Logistic regression was used to model survival probabilities as a function of radial growth, in the following form (Bigler and Bugmann, 2003):…”
Section: Logistic Regressionmentioning
confidence: 99%
See 1 more Smart Citation
“…Logistic regression was used to model survival probabilities as a function of radial growth, in the following form (Bigler and Bugmann, 2003):…”
Section: Logistic Regressionmentioning
confidence: 99%
“…These data can take the form, for example, of the ring-width or basal area increment in the year prior to sampling or prior to the year of death, or some derived variable such as the mean growth rate over a given period of recent growth (e.g., Bigler and Bugmann, 2003). With this approach, predictions of tree status (dead or alive) are accurate only at one single point in time, namely the year when growth measurements are taken or the period for which the predictor variable was computed.…”
Section: Introductionmentioning
confidence: 99%
“…Sci. 67 (2010) In individual-based models, tree death is predicted based on a range of variables that can be classified roughly as (Bigler and Bugmann, 2003;Eid and Tuhus, 2001;Monserud and Sterba, 1999): (i) size-related variables such as diameter at breast height or tree height, (ii) growth-related variables such as competition and measures of stand density, (iii) measures of tree vitality.…”
Section: Introductionmentioning
confidence: 99%
“…Mortality induced by competition or other unknown were partitioned in two classes: (i) trees showing a growth decline before death, or suppressed trees characterized by very narrow rings during all their life and (ii) trees without evident signs of growth decline before death (Bigler and Bugmann, 2003).…”
Section: Competition and Mortalitymentioning
confidence: 99%