Lars Caspersen- Master of Science
- PhD Student at University of Bonn
Lars Caspersen
- Master of Science
- PhD Student at University of Bonn
About
9
Publications
1,584
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19
Citations
Introduction
My work focuses on winter dormancy of temperate fruit trees. I mainly work with phenology models and use them to make predictions under future climate conditions. These models provide valuable insights that can support fruit growers in selecting cultivars or species better adapted to anticipated climate changes. I am generally interested in projects that involve modeling and agriculture and I do most of my work in R.
Skills and Expertise
Current institution
Additional affiliations
July 2019 - September 2019
Position
- Research Assistant
Description
- PREFECT - Prediction Model for the Probability of Famine Catastrophes
April 2019 - June 2019
Position
- Research Assistant
Description
- PREFECT - Prediction Model for the Probability of Famine Catastrophes
April 2018 - September 2018
Position
- Intern
Description
- Adaptation of grassland growth model for winter wheat
Education
October 2019 - March 2022
September 2015 - March 2019
Publications
Publications (9)
Winter chill accumulation plays a crucial role in determining the moment of bud burst in temperate fruit and nut trees, and insufficient chill can greatly limit yield potentials. To assess future cultivation options for such species in South America, we estimated winter chill through a spatial analysis. We used historical data (1980–2017) from 158...
Temperate fruit trees require exposure to chill and heat conditions to overcome the dormant period in winter and resume growth in spring. Rising temperatures due to climate change have already impacted winter chill accumulation in horticulturally vital growing regions worldwide. Afghanistan’s intra-regional differences make the country favorable fo...
Climate change is expected to impact fruit tree bloom dates, including delayed bloom or bloom failure, especially where warming winters reduce the accumulation of winter chill, which is needed to overcome dormancy. Modeling fruit tree bloom is challenging, as the mechanisms of chill and heat accumulation are not well understood,
and progress throug...
Global temperatures are increasing due to human-driven climate change, with notable implications for the flowering phenology of many forest tree species. Modelling the thermal requirements of these species is critical for projecting the impacts of climate change on forests and for developing appropriate adaptation strategies. Fitting models to phen...
Temperate fruit trees require exposure to chill and heat conditions to overcome the dormant period in winter and resume growth in spring. Rising temperatures due to climate change have already impacted winter chill accumulation in horticulturally vital growing regions worldwide. Afghanistan’s intra-regional differences make the country favorable fo...
Aid organizations and governments are applying great effort in resolving the negative impacts of food insecurity induced crisis like famines or mass migration. One of the most limiting resources these actors face is the lack of preparation time for consistent and sustainable planning for emergency relief like setting refugee camps or securing suppl...
Forests make important contributions to safeguarding agricultural production, food security and nutrition of rural and urban populations. The walnut-fruit forests in Kyrgyzstan constitute a unique resource in this regard. Simultaneously, they are of global importance as a biodiversity hotspot. However, current patterns of forest management are unsu...
