Tim Visser results 17
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Motivation The database initiated by the Mountain Invasion Research Network (MIREN) is one of the few globally implemented standardized vegetation surveys in mountains. The focus is on collecting plant species occurrences at 5‐year intervals along and adjacent to mountain roads spanning elevational gradients, with the goal of providing critical information about the ongoing spread of non‐native plants and the potential impacts...
Multispecies grasslands sustain on-farm forage productivity and quality while reducing nitrogen fertilizer inputsNARA Subscribed
Aims Species-rich grasslands are proposed to promote biodiversity and reduce nitrogen (N) fertilization while maintaining productivity. However, the effectiveness of this strategy remains uncertain, particularly since grasslands with varying species richness are managed differently. We compared biomass yield and forage quality of three grassland management types varying in species richness and N fertilization levels in an on-f...
Global Homogenisation of Plant Communities Along Mountain Roads by Non‐Native Species Despite Mixed Effects at Smaller ScalesNARA Subscribed
Aim Mountain ecosystems are experiencing increased invasion of non‐native plants. These increases in non‐native species put mountains at risk of biotic homogenisation and a reduction of biodiversity. Our study aims to test if non‐native plant species are contributing to biotic homogenisation along roadways in mountain regions and how this changes along elevation gradients and across spatial scales. Location 18 globally distrib...
Random fluctuations in somatosensory signals affect the ability of effectively coordinating multimodal information pertaining to the postural state during movement. Therefore, this study aimed to investigate the impact of a compliant surface on cortico-cortical causal information flow during multi-joint compound movements. Fifteen healthy adults (7 female / 8 male, 25.9 ± 4.0 years) performed 5 × 20 repetitions of bodyweight s...
Transcriptomic Responses of Potato to Drought StressNARA Subscribed
Transcriptomic changes in plants during drought stress give insights into the mechanisms with which plants stabilise their metabolic processes in order to cope with the drought condition. In potato, understanding such drought-induced transcriptomic changes is critical because prolonged field drought interferes with tuber formation and bulking period of potato development, which eventually affects yield. We hypothesised that ph...
Interspecific protection against oxidative stress: green algae protect harmful cyanobacteria against hydrogen peroxideNARA Subscribed
Summary Oceanographic studies have shown that heterotrophic bacteria can protect marine cyanobacteria against oxidative stress caused by hydrogen peroxide (H 2 O 2 ). Could a similar interspecific protection play a role in freshwater ecosystems? In a series of laboratory experiments and two lake treatments, we demonstrate that freshwater cyanobacteria are sensitive to H 2 O 2 but can be protected by less‐sensitive species such...
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