Growth Trends of Whitebark Pine and Lodgepole Pine in a Subalpine Sierra Nevada Forest, California, U.S.A.

Peterson, David L.; Arbaugh, Michael J.; Robinson, Lindsay; Derderian, Berg R.

doi:10.2307/1551586

Cited by 40 publications

(30 citation statements)

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“…In order to analyse the possible trends in the climatic data, regional series were obtained by averaging several single meteorological (1753( -1990 and Turin (1866-1994, Italy) calculated with moving averages. A linear long term trend is calculated for Turin monthly mean temperatures (N=125 years), with the slopes (a in °C/100 years) and R 2 values& / f i g .…”

Section: Climatic Datamentioning

confidence: 99%

“…Human impact on tree growth is supposed to be less important at high elevation sites, characterized by low stand densities and reduced air pollution (Peterson et al 1990). Moreover, subalpine forests or timberlines are near the abiotic ecological limits of the tree species that occur there, and they may react more strongly to climatic changes (Gale 1986;Graumlich 1991).…”

Section: Introductionmentioning

confidence: 99%

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Changes in radial tree growth for Picea abies, Larix decidua, Pinus cembra and Pinus uncinata near the alpine timberline since 1750

Rolland¹,

Petitcolas²,

Michalet³

1998

Trees

110

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Changes in radial growth of the four coniferous species growing in the French Alps near the upper treeline are investigated. Thirty-seven populations of Norway spruce [Picea abies (L.) Karst.], European larch (Larix decidua Mill.), Swiss stone pine (Pinus cembra L.) and mountain pine (Pinus uncinata Mill. ex Mirb.)were sampled by taking 1320 cores and analysing treering widths. Sites were chosen in various climatic conditions (macroclimate and aspect) and on two kinds of bedrock in order to take into account the ecological behaviour of these species. Belledonne, Moyenne-Tarentaise, Haute-Maurienne and Briançonnais areas were sampled along increasing gradients of summer aridity and winter continentality. The calculation of time series after removing the age trend brings strong evidence for an increase in radial growth during the two last centuries, but with different stages and fluctuations for each species. This growth trend is significantly enhanced since 1860 for the spruce, and since 1920 for the two pine species. Furthermore, it also appears on Larix decidua with the same pattern despite periodical growth reduction due to attacks of the larch bud moth (Zeiraphera diniana Gn.). The analysis of ring-widths at a given cambial age reveals that this enhanced phenomenon is observed especially during the tree's early years (25-75 years). The analysis of four regional climatic series, and three longer series of temperature (in farther single sites) reveals synchronous decadal fluctuations and an evident secular increase in minimum temperatures (especially in January and from July to October), that may be involved in treegrowth enhancement. Thermic amplitudes are significantly reduced during the whole growing period, what is more pronounced in Belledonne, the most oceanic region. Long term growth changes are well described by stepwise regression models, especially for the pine species. These models involved both a linear trend (CO 2 concentration or N-deposition) and low frequency of Turin monthly temperatures. However, they show different patterns than those observed from response functions at a yearly scale.

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Section: Climatic Datamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Changes in radial tree growth for Picea abies, Larix decidua, Pinus cembra and Pinus uncinata near the alpine timberline since 1750

Rolland¹,

Petitcolas²,

Michalet³

1998

Trees

110

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“…This has been observed in boreal forests in Europe (Hari et al, 1984) and North America (Payette et al, 1985; d 'Arrigo et al, 1987;Jozsa and Powell 1987), and also in the mountain forests of the temperate zones in Europe (Becker, 1989;Briffa, 1992) and North America (Lamarche et al, 1984;Graumlich et al, 1989;Peterson et al, 1990). Fewer studies have been carried out in the plain forests of temperate zones (Wagener et al, 1983).…”

Section: Introductionmentioning

confidence: 96%

Short-term variations and long-term changes in oak productivity in northeastern France. The role of climate and atmospheric CO₂

1994

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Summary — A dendroecological study was carried out in 2 forests in northeastern France with the aim of identifying and quantifying possible long-term trends in the radial growth of sessile oak (Quercus petraea (Matt) Liebl) and pedunculate oak (Q robur L). A total of 150 sites were selected to represent the ecological diversity of these forests. An index Cdwas used to correct annual ring width in order to compensate for the effect of different competition situations. The data were standardized with reference to the mean curve 'basal area increment vs cambial age'. The

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“…non-aménagées par l'humain) des résultats similaires ont été observés dans l'Ouest américain dans des écosystèmes forestiers alpins en zone tempérée (Lamarche et al, 1984;Graumlich et al, 1989;Peterson et al, 1990), en forêts boréales de l'Ouest canadien (Jozsa et Powell, 1987), et dans la toundra arctique et subarctique du nord du Canada et du Québec (Payette et al, 1985;d'Arrigo et al, 1987;d'Arrigo et al, 1992;Lavoie et Payette, 1992;Lavoie et Payette, 1994;Payette et Delwaide, 1994). Cependant, Schweingruber et al, 1993, sur et al, 1992), indiquent qu'une augmentation de la croissance au cours du 20 e siècle n'est pas une caractéristique générale de la forêt boréale à l'échelle de l'Amérique du Nord.…”

Section: Tendances Observées En Europe Et En Amérique Du Nordunclassified

Tendance à long terme de la croissance de l épinette noire (Picea mariana (Mill ) B S P ) en forêt boréale québécoise

Gagné¹

2000

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Growth Trends of Whitebark Pine and Lodgepole Pine in a Subalpine Sierra Nevada Forest, California, U.S.A.

Cited by 40 publications

References 0 publications

Changes in radial tree growth for Picea abies, Larix decidua, Pinus cembra and Pinus uncinata near the alpine timberline since 1750

Changes in radial tree growth for Picea abies, Larix decidua, Pinus cembra and Pinus uncinata near the alpine timberline since 1750

Short-term variations and long-term changes in oak productivity in northeastern France. The role of climate and atmospheric CO₂

Tendance à long terme de la croissance de l épinette noire (Picea mariana (Mill ) B S P ) en forêt boréale québécoise

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Growth Trends of Whitebark Pine and Lodgepole Pine in a Subalpine Sierra Nevada Forest, California, U.S.A.

Cited by 40 publications

References 0 publications

Changes in radial tree growth for Picea abies, Larix decidua, Pinus cembra and Pinus uncinata near the alpine timberline since 1750

Changes in radial tree growth for Picea abies, Larix decidua, Pinus cembra and Pinus uncinata near the alpine timberline since 1750

Short-term variations and long-term changes in oak productivity in northeastern France. The role of climate and atmospheric CO 2

Tendance à long terme de la croissance de l épinette noire (Picea mariana (Mill ) B S P ) en forêt boréale québécoise

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Short-term variations and long-term changes in oak productivity in northeastern France. The role of climate and atmospheric CO₂