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Thorsten Wiegand
Researcher at Helmholtz Centre for Environmental Research - UFZ
Publications - 184
Citations - 14938
Thorsten Wiegand is an academic researcher from Helmholtz Centre for Environmental Research - UFZ. The author has contributed to research in topics: Spatial ecology & Population. The author has an hindex of 58, co-authored 177 publications receiving 13151 citations. Previous affiliations of Thorsten Wiegand include University of California, Davis & Chinese Academy of Sciences.
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Journal ArticleDOI
Nonrandom spatial structuring of orchids in a hybrid zone of three Orchis species
TL;DR: The results suggest that the observed nonrandom spatial distribution of both pure and hybrid plants is dependent on the contingencies of the spatial distributed of suitable mycorrhizal fungi.
A simulation model for a shrub ecosystem in the
TL;DR: In this article, the authors used dynamic automata to model individual plants' growth, death, seed production, germination, and seedling establishment in the semiarid Karoo.
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Stochastic dilution effects weaken deterministic effects of niche-based processes in species rich forests
Xugao Wang,Thorsten Wiegand,Nathan J. B. Kraft,Nathan G. Swenson,Stuart J. Davies,Zhanqing Hao,Robert W. Howe,Yiching Lin,Keping Ma,Xiangcheng Mi,Sheng-Hsin Su,I-Fang Sun,Amy Wolf +12 more
TL;DR: Stochasticity may play a stronger role in shaping the spatial structure of species rich tropical forest communities than it does in species poorer forests, and these findings represent an important step towards understanding the factors that govern the spatial configuration of local biotic communities.
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Long-term dynamics of a semiarid grass steppe under stochastic climate and different grazing regimes: A simulation analysis
José M. Paruelo,Sandro Pütz,G. E. Weber,Mónica B. Bertiller,Rodolfo A. Golluscio,Martín R. Aguiar,Thorsten Wiegand +6 more
TL;DR: In this article, a grid-based spatial explicit stochastic model that simulates grazing events and basic processes like seedling establishment, growth or mortality of the dominant species in the grass steppes of Patagonia was built.
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Temporal and spatial differentiation in seedling emergence may promote species coexistence in Mediterranean fire-prone ecosystems
TL;DR: These analyses take a significant step forward in studying seedling emergence in fire prone ecosystems since, to the authors' knowledge, this is the first time that both spatial and temporal patterns of all dominant species have been studied together.