MOSES – A tree growth simulator for modelling stand response in Central Europe

Thurnher, Christopher; Klopf, M.; Hasenauer, Hubert

doi:10.1016/j.ecolmodel.2017.01.013

Cited by 24 publications

(13 citation statements)

References 21 publications

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“…But generally there is a knowledge gap on the details of the floristic structure in the future beech forest communities under changing climate conditions. Predicting future forest dynamics in stand-scale is an essential component of sustainable forest management (Thurnher et al 2017). The general shift from forest management aimed at pure forest stands (coniferous monoculture) to sustainable forest management aimed at multifunctional uneven-aged mixed-species forests requires modern tools for yield projections which predict future stand development for different management regimes, including conservation targets (Simon et al 2015).…”

Section: Discussionmentioning

confidence: 99%

Joining of the historical research and future prediction as a support tool for the assessment of management strategy for European beech-dominated forests in protected areas

Machar¹,

Voženílek²,

Simon³

et al. 2017

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Citation: Machar I, Vozenilek V, Simon J, Pechanec V, Brus J, Fulneček P, Vitek T (2017) Joining of the historical research and future prediction as a support tool for the assessment of management strategy for European beech-dominated forests in protected areas. Nature Conservation 22: 51-78. https://doi.org/10.3897/natureconservation.22.12902 AbstractEuropean beech-dominated forests are crucial for maintaining biodiversity in forested mountain landscapes of the European temperate zone. This paper presents the results of research and assessment of management strategy for mountain beech-dominated forests in the Jeseníky Mountains (Czech Republic). Our approach is based on combining research on historical development of the forest ecosystem, assessment of its current state, and predictions of future dynamics using a forest growth simulation model. Using such a method makes it possible to understand the current state of the mountain beech-dominated forest ecosystem and predict its future development as a response to specific management strategies. The application of this method is therefore appropriate for assessing the suitability of selected management strategies in mountain protected areas. Our results show that a non-intervention management for mountain beech forest in the next 80 years complies with the Natura 2000 requirement to maintain the existing character of the forest habitat. Thus, the current management plan for the beech-dominated forests in the Jeseníky Mountains does not require significant corrections in the context of its conservation targets (i.e. maintaining biodiversity and current character of the forest ecosystem dominated by beech). The results of this study suggest that combining the knowledge on historical development with forest growth simulation can be used as a suitable support tool to assess management strategies for forest habitats in protected areas. RESEARCH ARTICLE Launched to accelerate biodiversity conservation A peer-reviewed open-access journalIvo Machar et al. / Nature Conservation 22: 51-78 (2017) 52

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Section: Discussionmentioning

confidence: 99%

Joining of the historical research and future prediction as a support tool for the assessment of management strategy for European beech-dominated forests in protected areas

Machar¹,

Voženílek²,

Simon³

et al. 2017

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“…As a silvicultural management tool, we use the growth simulator MOSES (MOdeling StandrESponse) [63][64][65]. It has been used and evaluated for assessing different management scenarios within even and uneven-aged mixed species stands.…”

Section: The Tree Growth Model Mosesmentioning

confidence: 99%

Evaluating Strategies for the Management of Douglas-Fir in Central Europe

Eberhard

Eckhart

Hasenauer

2021

Forests

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In view of the increasing demand for forest resources in Europe, it is an option to foster the use of non-native tree species that can keep pace with the rapidly changing environmental conditions, such as Douglas-fir (Pseudotsuga menziesii). Thus, sufficient knowledge of how to manage such introduced species is highly required. In this study, we investigate theoretical silvicultural management options of Douglas-fir for forests in central Europe. We follow a three-step approach: (i) we collect the current central European management practices based on 434 Douglas-fir stands managed by 19 forest companies in Eastern Austria and Southern Germany using a survey. (ii) We calibrate and validate a Douglas-fir parameter set for the tree growth simulator MOSES so that we are able to (iii) simulate the silvicultural management options of Douglas-fir management. Our simulation results suggest: in mixed stands, Douglas-fir should be planted in mono-species patches. This leads to about six times higher productivity compared to a random arrangement. Natural regeneration is possible but requires active management at further development since the productivity might decrease up to 86% when growing in association with the highly competitive native tree species, Common beech (Fagus sylvatica). Intensive tending, as well as thinning, yields a surplus stem volume production of more than 30% in comparison with a moderate intervention. Even if our simulation results were not validated in the field, this analysis suggests that modeling as a heuristic tool is a useful instrument for forest managers in the decision-making process.

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“…Statistical dendrometry models that estimate tree growth depending on competition indices and additional tree covariables such as stem size or crown dimension (e.g. Pretzsch et al 2002, Le Moguedec et al 2012, Thurnher et al 2017) assume ceteris paribus a strong exponential decrease in the growth with increasing competition index. Our results suggest that this may apply in years without drought stress, i.e.…”

Section: System Dynamics and Modellingmentioning

confidence: 99%

Tracing drought effects from the tree to the stand growth in temperate and Mediterranean forests: insights and consequences for forest ecology and management

Pretzsch

Rı́o²,

Grote

et al. 2022

Eur J Forest Res

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How drought affects tree and stand growth is an old question, but is getting unprecedented relevance in view of climate change. Stress effects related to drought have been mostly studied at the individual tree level, mostly investigating dominant trees and using their responses as indicator for the impact at the stand level. However, findings at tree and stand level may differ, as the stand responses include interactions and feedbacks that may buffer or aggravate what is observed at the individual tree level. Here, we trace drought effects on growth and development from tree to the stand scale. Therefore, we analyse annually measured data from long-term experiments in temperate and Mediterranean forests. With this analysis, we aim to disclose how well results of dominant tree growth reflect stand-level behaviour, hypothesizing that drought resistance of dominant trees’ can strongly deviate from the overall sensitivity of the stand. First, we theoretically derive how drought responses at the stand level emerge from the tree-level behaviour, thereby considering that potential drought resistance of individual trees is modulated by acclimation and tree–tree interactions at the stand level and that the overall stress response at the stand level results from species-specific and size-dependent individual tree growth and mortality. Second, reviewing respective peer-reviewed literature (24 papers) and complementing findings by own measurements (22 experiments) from temperate and Mediterranean monospecific and mixed-species forests, we are able to reveal main causes for deviations of tree-level and stand-level findings regarding drought stress responses. Using a long-term experiment in Norway spruce (Picea abies (L.) KARST.) and European beech (Fagus sylvatica L.), we provide evidence that the species-dependent and size-dependent reactions matter and how the size–frequency distribution affects the scaling. We show by examples that tree-level derived results may overestimate growth losses by 25%. Third, we investigate the development of the growth dominance coefficient based on measurements gathered at the Bavarian forest climate stations. We show that drought changes stand biomass partitioning in favour of small trees, reduce social differentiation, and homogenize the vertical structure of forests. Finally, we discuss the drought-related consequences of the social class-specific growth reaction patterns for inventory and monitoring and highlight the importance of these findings for understanding site-specific stand dynamics, for forest modelling, and for silvicultural management.

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MOSES – A tree growth simulator for modelling stand response in Central Europe

Cited by 24 publications

References 21 publications

Joining of the historical research and future prediction as a support tool for the assessment of management strategy for European beech-dominated forests in protected areas

Joining of the historical research and future prediction as a support tool for the assessment of management strategy for European beech-dominated forests in protected areas

Evaluating Strategies for the Management of Douglas-Fir in Central Europe

Tracing drought effects from the tree to the stand growth in temperate and Mediterranean forests: insights and consequences for forest ecology and management

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