Soil-Driven Timberline of Spruce (Picea abies) in Tanaelv Belt–Lapland Granulite Transition, Finland

Sutinen, Raimo; Hyvönen, Eija; Ruther, Andreea; Ahl, Andreas; Sutinen, Marja‐Liisa

doi:10.1657/1523-0430(2005)037[0611:stospa]2.0.co;2

Cited by 23 publications

(26 citation statements)

References 48 publications

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“…sylvestris outcompetes P. abies on dry, acidic, nutrient-poor sites along the Lapland Granulite Belt as known from field observations (Sutinen et al 2005) and experiments (Ingestad 1979). Accordingly, dry conditions should favour P. sylvestris in LPJ-GUESS as it has 40% of its roots distributed in lower soil layers compared to 20% for P. abies and B. pubescens.…”

Section: Drought Tolerancementioning

confidence: 90%

“…However, non-climatic factors can limit a possible treeline advance, e.g. competition by shrubs (Nilsson et al 1993;Weih and Karlsson 1999), herbivore pressure by reindeer (Anschlag et al 2008;Aakala et al 2014) and adverse soil conditions (Holtmeier et al 2003;Sutinen et al 2005). In the south of Finnish Lapland, the Tanaelv and Lapland Greenstone Belts form moist nutrient-rich soils dominated by Picea abies (L.) H. Karst.…”

Section: Introductionmentioning

confidence: 99%

“…In the south of Finnish Lapland, the Tanaelv and Lapland Greenstone Belts form moist nutrient-rich soils dominated by Picea abies (L.) H. Karst. stands (Sutinen et al 2005). They are bordered to the north (>68°N) by the Lapland Granulite Belt (Cagnard et al 2011) which is at most 80 km wide.…”

Section: Introductionmentioning

confidence: 99%

“…They are bordered to the north (>68°N) by the Lapland Granulite Belt (Cagnard et al 2011) which is at most 80 km wide. Its dry nutrient-poor soils dominated by Pinus sylvestris L. stands act as a dispersal barrier for P. abies (Sutinen et al 2005). This could explain why P. abies is restricted to the south of Lapland while surviving in isolated outposts (natural and planted) far north of its current treeline (Oksanen 1995).…”

Section: Introductionmentioning

confidence: 99%

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Comparing correlative and process-based modelling approaches in a boreal forest identifies important areas for model development

Schibalski¹,

Lehtonen²,

Hickler³

et al. 2017

Silva Fenn.

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Schibalski A., Lehtonen A., Hickler T., Schröder B. (2017). Identifying important topics for model refinement in a widely used process-based model informed by correlative model analyses in a boreal forest. Silva Fennica vol. 51 no. 4 article id 6977. 24 p. https://doi.org/10.14214/sf.6977 Highlights• Continental-scale model parameterization of widely used LPJ-GUESS experiences problems when applied on the regional level.• Competition, disturbances and soil conditions are crucial for explaining treeline position in Finland, besides climatic limitation.• Picea abies is overly dominant in LPJ-GUESS model, as key competitive mechanisms are not implemented in sufficient detail. AbstractModels attempting to predict treeline shifts in changing climates must include the relevant ecological processes in sufficient detail. A previous correlative model study has pointed to nutrients, competition, and temperature as the most important factors shaping the treelines of Pinus sylvestris L., Picea abies (L.) H. Karst. and Betula pubescens Ehrh. in Finnish Lapland. Here, we applied a widely used process-based dynamic vegetation model (LPJ-GUESS) to (i) test its capability to simulate observed spatial and temporal patterns of the main tree species in Finnish Lapland, and (ii) to explore the model representation of important processes in order to guide further model development. A European parameterization of LPJ-GUESS overestimated especially P. abies biomass and the species' northern range limit. We identified implemented processes to adjust (competition, disturbance) and crucial processes in boreal forests to include (nutrient limitation, forest management) which account for the model's failure to (edaphically) restrict P. abies in Finnish Lapland and the resulting species imbalance. Key competitive mechanisms are shade and drought tolerance, nutrient limitation, fire resistance, and susceptibility to disturbances (storm, herbivory) which we discussed with respect to boreal ecology and promising model developments to provide a starting point for future model development.

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Section: Drought Tolerancementioning

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparing correlative and process-based modelling approaches in a boreal forest identifies important areas for model development

Schibalski¹,

Lehtonen²,

Hickler³

et al. 2017

Silva Fenn.

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“…For example, lowland permafrost areas, such as palsa mires, are predicted to melt, and their communities will be lost although individual species may persist (Luoto et al 2004). Indeed, observations have recorded loss of permafrost mires in northern Sweden in the past 30 years (Åkerman and Johansson 2008) The greatest expected change in terrestrial habitat is replacement of alpine and tundra areas by forests and shrublands (Moen et al 2004, Wolf et al 2008a, although the extent of forest expansion may be constrained by soil conditions (Sutinen et al 2005) and ecosystem processes, such as grazing (Wookey et al 2009). In the southernmost parts of the Barents Region, colonization by new species may lead to development of new types of communities and ecosystems.…”

Section: Community and Ecosystem Changesmentioning

confidence: 99%

Future changes in the supply of goods and services from natural ecosystems: prospects for the European north

Jansson¹,

Keskitalo²,

Vlasova³

et al. 2015

E&S

Self Cite

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Aspholm. 2015. Future changes in the supply of goods and services from natural ecosystems: prospects for the European north. ABSTRACT. Humans depend on services provided by ecosystems, and how services are affected by climate change is increasingly studied. Few studies, however, address changes likely to affect services from seminatural ecosystems. We analyzed ecosystem goods and services in natural and seminatural systems, specifically how they are expected to change as a result of projected climate change during the 21st century. We selected terrestrial and freshwater systems in northernmost Europe, where climate is anticipated to change more than the global average, and identified likely changes in ecosystem services and their societal consequences. We did this by assembling experts from ecology, social science, and cultural geography in workshops, and we also performed a literature review. Results show that most ecosystem services are affected by multiple factors, often acting in opposite directions. Out of 14 services considered, 8 are expected to increase or remain relatively unchanged in supply, and 6 are expected to decrease. Although we do not predict collapse or disappearance of any of the investigated services, the effects of climate change in conjunction with potential economical and societal changes may exceed the adaptive capacity of societies. This may result in societal reorganization and changes in ways that ecosystems are used. Significant uncertainties and knowledge gaps in the forecast make specific conclusions about societal responses to safeguard human well-being questionable. Adapting to changes in ecosystem services will therefore require consideration of uncertainties and complexities in both social and ecological responses. The scenarios presented here provide a framework for future studies exploring such issues.

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Conifer pollen abundance provides a proxy for summer temperature: evidence from the latitudinal forest limit in Finland

Huusko

Hicks

2009

J Quaternary Science

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Huusko, A. and Hicks, S. 2009. Conifer pollen abundance provides a proxy for summer temperature: evidence from the latitudinal forest limit in Finland.ABSTRACT: A 23-year record of pollen deposition (pollen accumulation rates: PARs) indicates that pollen production of the two most common northern boreal conifers -pine and spruce -varies dramatically from year to year and that high and low pollen years show consistency over the whole of northern Lapland. Testing for a calibration between the annual PARs of these two trees and a whole range of meteorological parameters reveals that the highest correlation is between pollen quantity and summer temperature centred around July of the year before pollen emission. Critical mean July temperature limits for the flowering of Pinus and Picea are 128C and 138C, respectively. This strong and region-wide relationship suggests that fossil Pinus and Picea PARs could be used as a proxy for summer temperature. Results are illustrated as maps showing the relationship between forest limits and July temperature and between PARs and the correlation coefficient with July temperature. It is noticeable, however, that although the climate signal is strong at the forest limit of the taxon in question, it is often weaker in the centre of its ecological range. This has implications when interpreting fossil pollen records. Temperature calibrations will vary spatially as the position of the forest limit changes.

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Soil-Driven Timberline of Spruce (Picea abies) in Tanaelv Belt–Lapland Granulite Transition, Finland

Cited by 23 publications

References 48 publications

Comparing correlative and process-based modelling approaches in a boreal forest identifies important areas for model development

Comparing correlative and process-based modelling approaches in a boreal forest identifies important areas for model development

Future changes in the supply of goods and services from natural ecosystems: prospects for the European north

Conifer pollen abundance provides a proxy for summer temperature: evidence from the latitudinal forest limit in Finland

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