Understanding the low-temperature limitations to forest growth through calibration of a forest dynamics model with tree-ring data

Rickebusch, Sophie; Lischke, Heike; Bugmann, Harald; Guisan, Antoine; Zimmermann, Niklaus E.

doi:10.1016/j.foreco.2007.04.030

Cited by 44 publications

(39 citation statements)

References 49 publications

(60 reference statements)

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“…We let these values for most tree species unchanged, however, we adjust the behavior of spruce, beech and maple to its behavior in the oceanic climate of the Jura (see Table A1). We changed the following parameters, which Rickebusch et al (2007) found to control tree species distributions at tree line ecotones:…”

Section: Treesmentioning

confidence: 99%

Past and future landscape dynamics in pasture-woodlands of the Swiss Jura Mountains under climate change

Peringer¹,

Siehoff²,

Chételat³

et al. 2013

E&S

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Silvopastoral systems are traditional components of the landscape in the Swiss Jura Mountains, and are promising approaches for the sustainable management of mountain areas worldwide. Due to complex vegetation dynamics, pasture-woodlands are very vulnerable to the currently occurring land use and climate changes. Therefore, management requires integrative long-term predictions of successional trends. We present a refined version of the spatially explicit, dynamic simulation model WoodPaM with improved climate sensitivity of simulated vegetation. We investigate pasture-woodland dynamics by applying an innovative combination of retrospective simulations starting in the Middle Ages with prospective simulations following two climate change scenarios. The retrospective simulations demonstrate the strong dependency of the landscape mosaic on both climate and management. In high elevation mountain pastures, climate cooling during the Little Ice Age hindered simulated tree regeneration and reduced forage production of grasslands. Both led to an increase in open grassland and to a structural simplification of the landscape. In turn, climate warming afterwards showed the opposite effect. At lower elevations, high cattle stocking rates generally dominate simulated succession, leading to a slow development of quite homogenous landscapes whose structures are hardly affected by historical climate variability. Aerial photographs suggest that logging and windstorms critically shaped the current landscape, both homogenizing mosaic structures that emerge from selective grazing. Simulations of climate change scenarios suggest delayed but inevitable structural changes in the landscape mosaic and a temporary breakdown of the ecosystem service wood production. The population of currently dominating Norway spruce collapses due to simulated drought. Spruce is only slowly replaced either by beech under moderate warming or by Scots pine under extreme warming. In general, the shift in tree species dominance results in landscapes of less structural richness than today. In order to maintain the mosaic structure of pasture-woodlands, we recommend a future increase in cattle stocking on mountain pastures. The (re-) introduction of mixed herds (cattle with horses, sheep, and goats) could mitigate the simulated trend towards structural homogenization of the forest-grassland mosaic because diverse browsing effects selectively control tree regeneration and would counteract simulated forest encroachment. This could prevent the loss of species-rich open grasslands and forest-grassland ecotones. Forest management should respect forest-grassland mosaics and ecotones by following the traditional selective felling of single trees instead of large clear-cutting. Additionally, beech regeneration should be promoted from now on in order to smoothen tree species replacement with warming and to ensure the continuous provision of forest ecosystem services

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Section: Treesmentioning

confidence: 99%

Past and future landscape dynamics in pasture-woodlands of the Swiss Jura Mountains under climate change

Peringer¹,

Siehoff²,

Chételat³

et al. 2013

E&S

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“…It therefore appears that treeline performance integrates both summer and winter climatic conditions, which appear as controlling factors Rickebusch et al 2007;Harsch et al 2009;Kharuk et al 2009;Elliott 2012).…”

Section: The Population Contextmentioning

confidence: 99%

Treeline (Pinus sylvestris) landscape evolution in the Swedish Scandes – a 40-year demographic effort viewed in a broader temporal context

Kullman¹

2014

Norsk Geografisk Tidsskrift - Norwegian Journal of Geography

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Treeline (Pinus sylvestris) landscape evolution in the Swedish Scandes -a 40-year demographic effort viewed in a broader temporal context LEIF KULLMAN Kullman, L. 2014. Treeline (Pinus sylvestris) landscape evolution in the Swedish Scandes -a 40-year demographic effort viewed in a broader temporal context. Norsk Geografisk Tidsskrift-Norwegian Journal of Geography Vol. 68, 155-167. Oslo. ISSN 0029-1952. The article reports the outcome of long-term demographic monitoring of elevational treeline ecotonal stands of Scots pine (Pinus sylvestris L.) in the southern Swedish Scandes. Annual censuses were undertaken of recruitment, mortality, growth, seed viability, and causes of mortality during the period 1973-2012 in a set of 18 permanent plots. A net gain in total population size occurred over the study period as the result of periodic fluctuations in recruitment and mortality, broadly congruent with annual variations in summer and winter temperatures. Summer temperatures affected seed viability, establishment, and height growth. Winter temperatures exerted an impact foremost by changing the incidence of winter desiccation injury. As a result of infilling, pine has become a more prominent and vital component of the landscape around the forest limit, which has advanced insignificantly into the bordering mountain birch forest. The results highlight a rigid climate-forest disequilibrium and falsify models suggesting extensive and swift expansion of the treeline ecotone and closed forest at the expense of alpine tundra in response to anticipated future warming during the present century. The balance of evidence suggests that patchy forest expansion is likely to occur at a very slow (plurisecular) pace, given that climate warming prevails.

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“…Puesto que el reclutamiento es considerado como el factor más determinante en el control de las dinámicas poblacionales en el límite forestal (Rickebusch et al 2007), el aumento que se ha detectado en la tasa de reclutamiento en algunas especies arbóreas a lo largo de su límite altitudinal o latitudinal de distribución (Harsch et al 2009;Juntunen y Neuvonen 2006;Kullman 2002Kullman , 2010Stöcklin y Körner 1999) puede indicar un avance del rango. Sin embargo, existe una elevada heterogeneidad espacial incluso dentro de la misma especie, a menudo controlada por factores locales como la topografía o la presencia de otras especies.…”

Section: Reclutamiento Y Crecimientounclassified

“…Al igual que la reproducción y el establecimiento, tanto el crecimiento primario como el secundario están fuertemente determinados por la temperatura en el límite forestal Mäkinen et al 2000;Rickebusch et al 2007). Durante las últimas décadas se han indicado numerosos ejemplos de aumentos de crecimiento directamente relacionados con una tendencia al alza de las temperaturas (MacDonald et al 1998; Mathisen y Hofgaard 2011; Salminen y Jalkinen 2007), aportando evidencias de que la limitación por bajas temperaturas podría jugar un papel cada vez menos importante en un futuro próximo en la dinámica poblacional del límite forestal.…”

Section: Reclutamiento Y Crecimientounclassified

Cambios en los límites de distribución de especies arbóreas como consecuencia de las variaciones climáticas

Matías¹

2012

ECOS

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Understanding the low-temperature limitations to forest growth through calibration of a forest dynamics model with tree-ring data

Cited by 44 publications

References 49 publications

Past and future landscape dynamics in pasture-woodlands of the Swiss Jura Mountains under climate change

Past and future landscape dynamics in pasture-woodlands of the Swiss Jura Mountains under climate change

Treeline (Pinus sylvestris) landscape evolution in the Swedish Scandes – a 40-year demographic effort viewed in a broader temporal context

Cambios en los límites de distribución de especies arbóreas como consecuencia de las variaciones climáticas

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