Die chronologische Liste zeigt aktuelle Veröffentlichungen aus dem Forschungsbetrieb der Hochschule Weihenstephan-Triesdorf. Zuständig ist das Zentrum für Forschung und Wissenstransfer (ZFW).
8 Ergebnisse
Prof. Dr. Dominikus Gregor Kittemann,
Prof. Dr. Michael Beck,
Johannes Werth,
Anna Lena Haug,
Konni Biegert,
Annika Killer,
Alexander Zimmermann,
Thomas Kuster
Josef Eiglsperger,
Prof. Dr. Florian Haselbeck,
Viola Stiele,
Claudia Guadarrama Serrano,
Kelly Lim-Trinh,
Prof. Dr. Klaus Menrad,
Prof. Dr. Thomas Hannus,
Prof. Dr. Dominik Grimm
Accurately forecasting demand is a potential competitive advantage, especially when dealing with perishable products. The multi-billion dollar horticultural industry is highly affected by perishability, but has received limited attention in forecasting research. In this paper, we analyze the applicability of general compared to dataset-specific predictors, as well as the influence of external information and online model update schemes. We employ a heterogeneous set of horticultural data, three classical, and twelve machine learning-based forecasting approaches. Our results show a superiority of multivariate machine learning methods, in particular the ensemble learner XGBoost. These advantages highlight the importance of external factors, with the feature set containing statistical, calendrical, and weather-related features leading to the most robust performance. We further observe that a general model is unable to capture the heterogeneity of the data and is outperformed by dataset-specific predictors. Moreover, frequent model updates have a negligible impact on forecasting quality, allowing long-term forecasting without significant performance degradation.
Mehr
Julia Ruf,
Prof. Dr. Klaus Menrad,
Dr. Agnes Emberger-Klein
Using bio-based building products for renovation and refurbishment contributes to a bioeconomy. As private consumers mainly buy building products at local hardware stores, it is essential to consider the local supply situation. This qualitative study analyzes the local range of bio-based building products for renovation and refurbishment and related consumer perceptions and assessments in two case cities in Germany. The study results reveal that consumers face high search costs, the range of products is primarily narrow, and their placement and presentation are unfavorable. Manufacturers can use the study results and invest in classical marketing strategies, and initiate pull strategies with consumers for bio-based building products. This could motivate retailers to increase the range and improve the placement and presentation of such products. Finally, policymakers can apply the insights from this study to educational campaigns and the promotion of quality labels in this field.
Mehr
Prof. Dr. Bernd Hertle
Wiesenartige Hochstaudenpflanzungen in Weihenstephan - Ein pflegereduzierter und strukturierter Bepflanzungstyp auf guten Böden (2024) Grünberger Staudentage 2024 .
Prof. Dr. Bernd Hertle
Attraktive Blattschmuckstauden - Das aktuelle Sortiment der Brunnera: Ergebnisse der Sichtung und Verwendungsbeispiele (2024) Grünberger Staudentage 2024 .
Prof. Dr. Bernd Hertle
Vom Buchs- zum Parterregarten (2024) Grünberger Staudentage 2024 .
Christian Mergel,
Prof. Dr. Klaus Menrad,
Dr. Thomas Decker
Construction and use of buildings is one of the highest users of global energy (34%) and one of the highest contributors to greenhouse gas emissions (37%). Using wood instead of carbon-intensive materials such as bricks reduces a building's embodied energy and is a more eco-friendly alternative. Since the quota of newly built wooden houses in Germany is still relatively low, gaining insights into the perspective of consumers is crucial. This study aims to investigate factors from a consumer perspective that influence the selection of wood as the primary building material for residential houses. Therefore, an online survey was conducted in Germany to gather data from individuals (N = 510) who either bought or built a house in the last 5 years. By conducting a logistic regression, we have identified six influencing factors for the selection of wood. Positive views on wood's eco-friendliness and emphasis on renewable materials are key factors in choosing wood. Higher age and living in rural areas also increase the likelihood of selecting wood, while concerns about value stability and durability have negative effects. We conclude that increasing information activities, raising awareness about wood's ecological benefits, and dispelling prejudices can significantly impact its selection as a preferred building material.
Mehr
Prof. Dr. Bernd Hertle
Brunnera - blühende Blattschmuckpflanzen (2024) Gartenpraxis 2024 (1), S. 6-12.
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Gerhard Radlmayr
Referent für Wissenstransfer und Forschungskommunikation
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