Chair: Janne-Markus Rintala
Biodiversity is currently declining at alarming rates. This encompasses all aspects of biodiversity, from the level of genetic diversity to species, functional diversity and ecosystems. Biodiversity underpins many ecosystem functions and services that society relies upon (including provisional services, regulating services and cultural services). While changes in abiotic drivers affect biodiversity, species also shape ecosystems by modifying their abiotic environment, redistributing resources (energy and matter) and modifying species interactions. Hence, species underpin essential ecosystem functions, and thus, where such functions are exploited by human society, ecosystem services. Crucial in this respect is the need to maintain or even enhance ecosystem resilience.
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Chair: Lukas Kohl
There is growing international interest in better managing soils to enhance terrestrial carbon uptake and to increase soil organic carbon content to contribute to climate change mitigation. This theme focuses on methods and management options which could enhance C sequestration into terrestrial ecosystems. We also ask, what are the key areas and methods to reduce soil/ecosystem carbon losses. Along with C uptake it is important to assess other, possibly adverse climate impacts related to e.g. albedo change, other GHG’s or evapotranspiration. Furthermore, since soil organic carbon content cannot be easily measured, a key barrier to implementing programmes to increase soil organic carbon at large scale, is the need for credible and reliable measurement/monitoring, reporting and verification (MRV) platforms, both for national reporting and for emissions trading. We invite presentations broadly tied around the topic - both experimental and modelling contributions are welcome.
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Chair: Tuula Aalto
Understanding ecosystem schemes on a large scale is important as climate change is a global phenomenon. Modelling is an essential part when integrating different measurements and inferring information brought by the measurements to regional and global scales, as well as estimating and predicting at various temporal dimensions. This theme focuses on modelling approaches which use various local scale measurements in estimation of ecosystem processes, carbon fluxes, atmospheric and hydrological transports. We invite presentations widely related to the topic, such as those using process-based, upscaling, statistical and inversion methods, to discuss the use of the measurements in modelling and model developments, and the techniques of synthesising those data.
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Chair: Katri Rankinen
Lateral land‐to‐water transport of elements plays an important role in the biogeochemistry of terrestrial and aquatic ecosystems. Fluxes across physical boundaries change the element concentrations in adjacent environments on different spatial scales. This theme will focus on the mechanisms that control the variation, magnitude and speciation of elements being transported across ecosystems, habitats or zones. The theme is inclusive to the emergent approaches and methodologies that highlight how global change may perturb these fluxes, and identify major knowledge gaps and key avenues for future research.
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