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High-resolution images and drone-based LiDAR reveal striking patterns of vegetation gaps in a wooded spinifex grassland of Western Australia 期刊论文
发表期刊: LANDSCAPE ECOLOGY. 出版年: 2022
作者:  Getzin, Stephan;  Loens, Christian;  Yizhaq, Hezi;  Erickson, Todd E.;  Munoz-Rojas, Miriam;  Huth, Andreas;  Wiegand, Kerstin
收藏  |  浏览/下载:84/0  |  提交时间:2021/11/29
Australia  Fairy circles  Gap shape complexity index  LiDAR  Triodia  UAV  
Revisiting Theron's hypothesis on the origin of fairy circles after four decades: Euphorbias are not the cause 期刊论文
发表期刊: BMC ECOLOGY AND EVOLUTION. 出版年: 2021, 卷号: 21, 期号: 1
作者:  Getzin, Stephan;  Nambwandja, Ailly;  Holch, Sonke;  Wiegand, Kerstin
收藏  |  浏览/下载:13/0  |  提交时间:2021/07/30
Clark-Evans index  Clustered dispersal  Drone  Euphorbias  Fairy circles  Heterogeneity  Homogeneity  Infiltration  Pattern-process inference  Spatially periodic patterns  
PioLaG: a piosphere landscape generator for savanna rangeland modelling 期刊论文
发表期刊: LANDSCAPE ECOLOGY. 出版年: 2020, 卷号: 35, 期号: 9, 页码: 2061-2082
作者:  Hess, Bastian;  Dreber, Niels;  Liu, Yihui;  Wiegand, Kerstin;  Ludwig, Marvin;  Meyer, Hanna;  Meyer, Katrin M.
收藏  |  浏览/下载:6/0  |  提交时间:2021/01/07
Disturbance  Grazing gradient  Land degradation  Range management  Savanna model  Bush thickening  Shrub encroachment  NetLogo  Piosphere landscape generator  PioLaG  
A multi-scale study of Australian fairy circles using soil excavations and drone-based image analysis 期刊论文
发表期刊: ECOSPHERE. 出版年: 2019, 卷号: 10, 期号: 2
作者:  Getzin, Stephan;  Yizhaq, Hezi;  Munoz-Rojas, Miriam;  Wiegand, Kerstin;  Erickson, Todd E.
收藏  |  浏览/下载:13/0  |  提交时间:2019/11/29
clay crust  cyclone  emergent vegetation patterns  heterogeneity  hydrology  nearest-neighbor distance  pair-correlation function  spatial periodicity  Triodia basedowii  vegetation self-organization  wavelength  weathering  
Discovery of fairy circles in Australia supports self-organization theory 期刊论文
发表期刊: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 出版年: 2016, 卷号: 113, 期号: 13, 页码: 3551-3556
作者:  Getzin, Stephan;  Yizhaq, Hezi;  Bell, Bronwyn;  Erickson, Todd E.;  Postle, Anthony C.;  Katra, Itzhak;  Tzuk, Omer;  Zelnik, Yuval R.;  Wiegand, Kerstin;  Wiegand, Thorsten;  Meron, Ehud
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/29
drylands  spatial pattern  Triodia grass  Turing instability  vegetation gap  
Adopting a spatially explicit perspective to study the mysterious fairy circles of Namibia 期刊论文
发表期刊: ECOGRAPHY. 出版年: 2015, 卷号: 38, 期号: 1, 页码: 1-11
作者:  Getzin, Stephan;  Wiegand, Kerstin;  Wiegand, Thorsten;  Yizhaq, Hezi;  von Hardenberg, Jost;  Meron, Ehud
Adobe PDF(16576Kb)  |  收藏  |  浏览/下载:16/9  |  提交时间:2019/11/29
Walter’s two-layer hypothesis revisited: back to the roots! 期刊论文
发表期刊: OECOLOGIA. 出版年: 2013, 卷号: 172, 期号: 3, 页码: 617-630
作者:  Ward, David;  Wiegand, Kerstin;  Getzin, Stephan
收藏  |  浏览/下载:3/0  |  提交时间:2019/11/29
Savanna  Tree-grass coexistence  Codominance  Equilibrium theory  Patch dynamics  Spatial heterogeneity  Resource partitioning  Root distributions  Water  
Interaction between ungulates and bruchid beetles and its effect on Acacia trees: modeling the costs and benefits of seed dispersal to plant demography 期刊论文
发表期刊: OECOLOGIA. 出版年: 2011, 卷号: 167, 期号: 1, 页码: 97-105
作者:  Rodriguez-Perez, Javier;  Wiegand, Kerstin;  Ward, David
收藏  |  浏览/下载:5/0  |  提交时间:2019/11/29
Herbivory  Population growth rate  Seed removal  Seed predation  Simulation models  
Disentangling facilitation and seed dispersal from environmental heterogeneity as mechanisms generating associations between savanna plants 期刊论文
发表期刊: JOURNAL OF VEGETATION SCIENCE. 出版年: 2011, 卷号: 22, 期号: 6, 页码: 1038-1048
作者:  Schleicher, Jana;  Meyer, Katrin M.;  Wiegand, Kerstin;  Schurr, Frank M.;  Ward, David
收藏  |  浏览/下载:3/0  |  提交时间:2019/11/29
Acacia erioloba  Grewia flava  Plant interactions  Spatial association  Wiegand-Moloney O-ring statistics  
Patch dynamics integrate mechanisms for savanna tree-grass coexistence 期刊论文
发表期刊: BASIC AND APPLIED ECOLOGY. 出版年: 2009, 卷号: 10, 期号: 6, 页码: 491-499
作者:  Meyer, Katrin M.;  Wiegand, Kerstin;  Ward, David
收藏  |  浏览/下载:1/0  |  提交时间:2019/11/28
Cyclical succession  Spatiotemporal scales  Competition  Simulation models  Shrub encroachment  Mosaic cycles  Woody species  Shrubs  Grasses