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Articles by Pascal Vittoz
Contrasting thermophilization among forests, grasslands and alpine summits
Abstract Climate warming is shifting biological communities, with warmth-demanding species being favoured at the expense of cold-adapted species in a process referred to as thermophilization1,2,3,4. Because biodiversity responses often lag behind climate warming, climatic debts are accumulating in many ecosystems across the world5,6,7. Although we might expect that thermophilization and climatic debts will vary among habitats, standardized quantification across ecosystems is lacking.
When Clearing Out an Old House Advances Science: The Hump‐Shaped Diversity Distribution in Central European Grasslands Better Explained
The proportion of natural grasslands in Central European landscapes prior to the Neolithic period, which were maintained through grazing by large herbivores or frequent disturbances, remains a subject of debate (Svenning 2002). However, most of the grasslands in the current landscape were created by deforestation following the Late Bronze Age (Hejcman et al. 2013).
Plant community diversity in the Chobe Enclave, Botswana: Insights for functional habitat heterogeneity for herbivores
Original Research Plant community diversity in the Chobe Enclave, Botswana: Insights for functional habitat heterogeneity for herbivores Pascal Vittoz, Federico Pellacani, Rémy Romanens, Ali Mahinga, Eric P. Verrecchia, Richard W.S. Fynn Koedoe | Vol 62, No 1 | a1604 | DOI: https://doi.org/10.4102/koedoe.v62i1.1604 | © 2020 Pascal Vittoz, Federico Pellacani, Rémy Romanens, Ali Mainga, Eric P.
Variation in Soil Respiration across Soil and Vegetation Types in an Alpine Valley
Soils of mountain regions and their associated plant communities are highly diverse over short spatial scales due to the heterogeneity of geological substrates and highly dynamic geomorphic processes. The consequences of this heterogeneity for biogeochemical transfers, however, remain poorly documented. The objective of this study was to quantify the variability of soil-surface carbon dioxide efflux, known as soil respiration (Rs), across soil and vegetation types in an Alpine valley.
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