James Weldon
Swedish University of Agricultural Sciences
7 Papers
6 Citations
James Weldon is an academic researcher from Swedish University of Agricultural Sciences. The author has contributed to research in topics: Environmental science & Species evenness. The author has an hindex of 2, co-authored 3 publications.
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Papers
Currently legislated decreases in nitrogen deposition will yield only limited plant species recovery in European forests
Thomas Dirnböck,Gisela Pröll,Kari Austnes,Jelena Beloica,Burkhard Beudert,Roberto Canullo,Alessandra De Marco,Maria Francesca Fornasier,Martyn N. Futter,Klaus Goergen,Ulf Grandin,Maria Holmberg,Antti-Jussi Lindroos,Michael Mirtl,Johan Neirynck,Tomasz Pecka,Tiina M. Nieminen,Jørn-Frode Nordbakken,Maximilian Posch,G.J. Reinds,Edwin C. Rowe,Maija Salemaa,Thomas Scheuschner,Franz Starlinger,Aldona Katarzyna Uziębło,Salar Valinia,James Weldon,W. Wamelink,Martin Forsius +28 more
TL;DR: In this article, the authors used 23 European forest research sites with high quality long-term data on deposition, climate, soil recovery, and understory vegetation to assess benefits of currently legislated N deposition reductions in forest underwood vegetation.
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Weak recovery of epiphytic lichen communities in Sweden over 20 years of rapid air pollution decline
James Weldon,Ulf Grandin +1 more
TL;DR: In this paper, the response of epiphytic lichens to deteriorating air quality was assessed using data from long-term monitoring sites in Sweden, finding only limited and partial evidence of recovery in the area that previously had high levels of deposition, and a decline in mean sulphur sensitivity at a northern site with low deposition levels throughout the monitoring period.
Nitrogen deposition causes eutrophication in bryophyte communities in central and northern European forests
TL;DR: In this article , the impact of nitrogen deposition on forest bryophyte communities was investigated and it was found that nitrogen deposition is significantly associated with increased bryophte community nitrogen preference and decreases in species evenness.
Nitrogen deposition causes eutrophication in bryophyte communities in central and northern European forests
TL;DR: In this paper , the impact of nitrogen deposition on forest bryophyte communities was assessed using data from 187 plots included in European monitoring schemes to analyse the relationship between levels of throughfall nitrogen deposition and bryophte taxonomic and functional diversity and community nitrogen preference.
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Major disturbances test resilience at a long‐term boreal forest monitoring site
James Weldon,Ulf Grandin +1 more
TL;DR: The results show that even powerful combined disturbances in a system with multiple stable states can be insufficient to initiate a regime shift, and resilience of the P. abies‐dominated forest community is increased by the survival of refuge areas functioning as a form of ecological memory of the previous ecosystem state.
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