Jukka Käyhkö

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A clear understanding of processes at multiple scales and levels is of special significance when conceiving strategies for human-environment interactions. However, understanding and application of the scale concept often differ between administrative-political and ecological disciplines. These mirror major differences in potential solutions whether and how(More)
Fundamental knowledge on the determinants of air temperatures across spatial and temporal scales is essential in climate change mitigation and adaptation. Spatial-based statistical modelling provides an efficient approach for the analysis and prediction of air temperatures in human-modified environments at high spatial accuracy. The aim of the study was(More)
According to some treatises, arctic and alpine sub-biomes are ecologically similar, whereas others find them highly dissimilar. Most peculiarly, large areas of northern tundra highlands fall outside of the two recent subdivisions of the tundra biome. We seek an ecologically natural resolution to this long-standing and far-reaching problem. We studied(More)
This project concerns the origin and dynamics of the severe land degradation in north-eastern Iceland. The entire project (no. 187) within the ERS-AO3 scheme is titled “Environmental history of the severely eroded north-eastern Icelandic semi-desert – a multi-disciplinary approach utilising remotely sensed data combined with detailed investigations on(More)
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