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Tag: forest dynamics

Life after recovery: how Scots pine trees compensate for drought

Did you know that researchers have linked extreme drought events to losses in forest productivity and widespread tree mortality on every forested continent on earth? As a result of climate change, in the coming decades we expect these drought events to increase in frequency, duration and intensity in many parts of the world, posing an emerging set of challenges at a scale that many contemporary forests have so far not had to deal with. This in turn means that we need to understand how forests respond to, and recover from, such events across a range of both temporal and spatial scales to ensure our forests are resilient to the challenges of a future climate. This understanding must cover everything from how between-tree variability buffers against stand-level change, which tree and stand attributes and management practices confer resilience, how different species growing in different locations respond to similar types of drought and what the long-term implications of these events mean for biodiversity, forest carbon, stand structure and forest growth, amongst many others. In our recent paper “Life after recovery: Increased resolution of forest resilience assessment sheds new light on post‐drought compensatory growth and recovery dynamics” published in the Journal of Ecology (Ovenden et al. 2021), we look at the recovery of trees after drought from a new perspective.

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Investigating potential future climate, disturbance and forest management effects

How can we increase the resilience of our forest to be better prepared for future natural disturbances and climate change, while maintaining a high level of wood production, carbon storage, and habitat quality for biodiversity? The project Innovative forest management strategies for a resilient bioeconomy under climate change and disturbances (I-MAESTRO) aims at improving the scientific basis for developing adequate forest management strategies. In an interview series, we are introducing the different I-MAESTRO partners and their roles in the project – and we are sharing very personal perspectives from different researchers involved. We are now introducing Mats Mahnken, PhD researcher at the Potsdam Institute for Climate Impact Research (PIK).

What is PIK contributing to I-Maestro?

PIK is involved in I-Maestro with tasks regarding forest modelling and simulation of forest dynamics taking into account environmental change effects and forest management. It is using the forest model 4C (‘FORESEE’ – Forest Ecosystems in a Changing Environment) at different spatial scales and will also be involved in work dealing with data for model comparisons and data for calibration. Thus, we are applying the expertise of the working group on Forest and Ecosystem Resilience at PIK from prior projects that focused on modelling shifts in temperature and precipitation and possible adaptive forest management on European forests as well as projects on model comparison and data harmonization.

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