Effects of thinning and canopy type on growth dynamics of Pinus sylvestris: inter-annual variations and intra-annual interactions with microclimate

Primicia, Irantzu; Camarero, J. Julio; Imbert, J. Bosco; Castillo, Federico

doi:10.1007/s10342-012-0662-1

Cited by 46 publications

(60 citation statements)

References 45 publications

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“…Beech presence apparently caused a reduction in the Tree volume annual increment, agreeing with previous results (Primicia et al, 2013;Río et al, 2014). In our study site, characterized by summer water deficit, the negative effect of beech on iv may have been related to the beech root system, since it is highly competitive for water and nutrient resources (Curt & Prevosto, 2003).…”

Section: Effect Of the Canopy Type On Scots Pine Stand And Tree Growtsupporting

confidence: 91%

“…Several studies on the effects of mixture on the forest yield have been carried out (e.g. Kelty, 1992;Pretzsch, 2005;Pretzsch & Schütze, 2009;Pretzsch et al, 2010), but little is known about inter-specific processes in mixed Scots pine (Pinus sylvestris L.)-beech (Fagus sylvatica L.) forests, and particularly in Mediterranean areas (but see Primicia et al, 2013;Río et al, 2014). Spiecker (2003) suggested that the structure of mixed stands may be maintained and improved by management practices like thinning, which has been also recommended as a necessary first step in the conversion process from pure Scots pine plantation to mixed broadleaved forests (Crecente-Campo et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Montero et al, 2001;Mäkinen & Isomäki, 2004;Mäkinen et al, 2005;Río et al, 2008;Crecente-Campo et al, 2009;Novak et al, 2011), but just few studies have tackled the same issue in mixed woodlands (e.g. Primicia et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

“…Beech was usually eliminated to promote Scots pine growth in traditional silvicultural practices, but nowadays, the maintenance of beech in the understorey is becoming frequent, since among other benefits, managed mixed pine-beech forests apparently produce higher quality of Scots pine wood than pure stands. Nevertheless, there is evidence that beech may negatively affect pine growth in this area through competition (Primicia et al, 2013;Primicia et al, 2014). Therefore, the main objective of this study was to evaluate the effects of thinning intensity and canopy type (pure pine vs. mixed beech-pine) on the development of the stand and tree structure and growth of Scots pine.…”

Section: Introductionmentioning

confidence: 99%

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Influence of thinning intensity and canopy type on Scots pine stand and growth dynamics in a mixed managed forest

et al. 2016

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Aim of the study: We analysed the effects of thinning intensity and canopy type on Scots pine growth and stand dynamics in a mixed Scots pine-beech forest.Area of the study: Western Pyrenees. Material and methods:Three thinning intensities were applied in 1999 (0, 20 and 30% basal area removed) and 2009 (0, 20 and 40%) on 9 plots. Within each plot, pure pine and mixed pine-beech patches are distinguished. All pine trees were inventoried in 1999, 2009 and 2014. The effects of treatments on the tree and stand structure variables (density, basal area, stand and tree volume), on the periodic annual increment in basal area and stand and tree volume, and on mortality rates, were analysed using linear mixed effects models.Main Results: The enhancement of tree growth was mainly noticeable after the second thinning. Growth rates following thinning were similar or higher in the moderate than in the severe thinning. Periodic stand volume annual increments were higher in the thinned than in the unthinned plots, but no differences were observed between the thinned treatments. We observed an increase in the differences of the Tree volume annual increment between canopy types (mixed < pure) over time in the unthinned plots, as beech crowns developed. Research highlights: Moderate thinning is suggested as an appropriate forest practice at early pine age in these mixed forests, since it produced higher tree growth rates than the severe thinning and it counteracted the negative effect of beech on pine growth observed in the unthinned plots.

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Section: Effect Of the Canopy Type On Scots Pine Stand And Tree Growtsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of thinning intensity and canopy type on Scots pine stand and growth dynamics in a mixed managed forest

et al. 2016

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“…The influence of thinning intensity on growth is well understood, but the differential response of mixed forests to thinning has been given less attention (Larson et al 2012;Primicia et al 2013). According to our hypothesis, increasing thinning intensity results in a differential growth rate expressed as BAI related to light species tolerance (A. pinsapo < P. sylvestris < P. pinaster, respectively).…”

Section: Radial Growth and Iwue Responses To Thinningmentioning

confidence: 99%

Contrasting growth and water use efficiency after thinning in mixed Abies pinsapo-Pinus pinaster-Pinus sylvestris forests

Navarro-Cerrillo¹,

Sánchez‐Salguero²,

Herrera³

et al. 2016

J. For. Sci.

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Foresters frequently lack sufficient information about thinning intensity effects to optimize semi-natural forest management and their effects and interaction with climate are still poorly understood. In an Abies pinsapo-Pinus pinaster-Pinus sylvestris forest with three thinning intensities, a dendrochronologial approach was used to evaluate the short-term responses of basal area increment (BAI), carbon isotope (δ 13 C) and water use efficiency (iWUE) to thinning intensity and climate. Thinning generally increased BAI in all species, except for the heavy thinning in P. sylvestris. Across all the plots, thinning increased 13 C-derived water-use efficiency on average by 14.49% for A. pinsapo, 9.78% for P. sylvestris and 6.68% for P. pinaster, but through different ecophysiological mechanisms. Our findings provide a robust mean of predicting water use efficiency responses from three coniferous species exposed to different thinning strategies which have been modulated by climatic conditions over time.

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Forestry contributed to warming of forest ecosystems in northern Germany during the extreme summers of 2018 and 2019

Blumröder

Ibisch

2021

Ecol Sol and Evidence

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1. Forest management influences a variety of ecosystem structures and processes relevant to meso-and microclimatic regulation, but little research has been done on how forest management can mitigate the negative effects of climate change on forest ecosystems.2. We studied the temperature regulation capacity during the two Central European extreme summers in 2018 and 2019 in Scots pine plantations and European beech forests with different management-related structural characteristics.3. We found that the maximum temperature was higher when more trees were cut and canopy was more open. Logging 100 trees per hectare increased maximum temperature by 0.21-0.34 K at ground level and by 0.09-0.17 K in 1.3 m above ground.Opening the forest canopy by 10% significantly increased T max, measured 1.3 m above ground by 0.46 K (including pine and beech stands) and 0.35 K (only pine stands). At ground level, T max increased by 0.53 K for the model including pine and beech stands and by 0.41 K in pure pine stands. Relative temperature cooling capacity decreased with increasing wood harvest activities, with below average values in 2018 (and 2019) when more than 656 (and 867) trees per hectare were felled. In the pine forests studied, the relative temperature buffering capacity 1.3 m above ground was lower than average values for all sample plots when canopy cover was below 82%. In both study years, mean maximum temperature measured at ground level and in 1.3 m was highest in a pine-dominated sample plots with relatively low stand volume (177 m 3 ha −1 ) and 9 K lower in a sample plot with relatively high stock volumes of Fagus sylvatica (>565 m 3 ha −1 ). During the hottest day in 2019, the difference in temperature peaks was more than 13 K for pine-dominated sample plots with relatively dense (72%) and low (46%) canopy cover. 4. Structural forest characteristics influenced by forest management significantly affect microclimatic conditions and therefore ecosystem vulnerability to climate change. We advocate keeping the canopy as dense as possible (at least 80%) byThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Effects of thinning and canopy type on growth dynamics of Pinus sylvestris: inter-annual variations and intra-annual interactions with microclimate

Cited by 46 publications

References 45 publications

Influence of thinning intensity and canopy type on Scots pine stand and growth dynamics in a mixed managed forest

Influence of thinning intensity and canopy type on Scots pine stand and growth dynamics in a mixed managed forest

Contrasting growth and water use efficiency after thinning in mixed Abies pinsapo-Pinus pinaster-Pinus sylvestris forests

Forestry contributed to warming of forest ecosystems in northern Germany during the extreme summers of 2018 and 2019

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