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- Written by: Marcin K. Dyderski
- Category: Climate for biodiversity
- Hits: 557
We invite you to listen to Prof. Marcin K. Dyderski’s lecture entitled “Invasive plant species - what helps their expansion?”
Biological invasions are one of the main threats to biodiversity and the economy. Their success depends on factors that can be divided into those related to the characteristics of a particular species, the availability of seeds and the characteristics of the environment. On a continental scale, the main determinant of species distribution is climate. Its changes can cause both the loss of the climatic optimum of currently existing species and open the way for others to conquer further areas.
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- Written by: Ewelina Ratajczak
- Category: Climate for biodiversity
- Hits: 1061
We invite you to listen to Prof. Ewelina Ratajczak’s lecture entitled “Will stressed seeds provide us with a better future?"
We are observing rapid climate changes that cause stress to trees. This is due to the fact that they induce an oxidative stress condition, which lowers the metabolic activity of plant cells. Stressed trees produce stressed seeds, whose viability is reduced. Storing seeds in a way that preserves their viability becomes crucial for safeguarding the genetic resources of tree species and protecting biodiversity in commercial forests.
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- Written by: Ewa M. Kalemba
- Category: Climate for biodiversity
- Hits: 977
We invite you to listen to Prof. Ewa M. Kalemba’s lecture entitled “From seed germination to plant formation. The different sides of reactive oxygen species”.
All plants, including trees, go through growth stages. A seed germinates and a seedling is formed, which after many years of vegetative growth will give rise to a tree capable of flowering and producing its own fruit with seeds. Plant functioning is controlled by hormones interacting with reactive oxygen species, which regulate the growth and development of plant organs (roots, leaves, flowers), seed germination, aging and response to stress conditions.
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- Written by: Joanna Kijowska-Oberc
- Category: Climate for biodiversity
- Hits: 393
We invite you to listen to Ms. Joanna Kijowska-Oberc’s, M.Sc., lecture entitled “How do seeds fight drought?”
Drought occurring in the wake of climate change results in a decrease in the viability of tree seeds. The extinction of many species occurs, and this threatens the sustainability of forest ecosystems. The accumulation of proline is a defense reaction of seeds. Proline not only protects cell membrane components from damage and prevents water loss, but can also be used as an indicator of seed resistance to drought. Resilient seeds, in turn, will give rise to stable forests.
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- Written by: Agnieszka Szuba
- Category: Climate for biodiversity
- Hits: 450
We invite you to listen to Dr. Agnieszka Szuba’s lecture entitled “Molecular research and the functioning of trees in a changing environment”.
Molecular biology allows the analysis of processes that take place in cells. We examine variability of mRNA, protein or metabolite levels. Biological material is analysed in well-equipped laboratories, performing relatively uncomplicated biochemical analyses, but also high-throughput macromolecule studies. Our work requires knowledge, but also modern equipment, such as robots or mass spectrometers. The obtained mass spectra and (meta)data are subjected to statistical analysis and the obtained results allow us to answer our research questions.
