Selected publications

Click here for all publications. Also see Google Scholar profile for the full and most updated list.

Selected Publications – Collective animal behaviour

Jaideep Joshi, Iain D Couzin, Simon A Levin, Vishwesha Guttal, 2017, Mobility can promote the evolution of cooperation via emergent self-assortment dynamics, PLoS Computational Biology. 13(9):e1005732, https://doi.org/10.1371/journal.pcbi.1005732 and [BioRxiv]

Vishwesha Guttal*, Pawel Romanczuk*, Stephen J Simpson, Gregory A Sword, Iain D Couzin, 2012, Cannibalism as a driver of the evolution of phase polyphenism in locusts, Ecology Letters, Vol 15:1158-1166 [*co-first authors].

Vishwesha GuttalIain D. Couzin, 2010, Social interactions, information use and the evolution of collective migration, Proceedings of the National Academy of Sciences, USA. 107:16172-16177. PDF. Also see: Movies 1 and 2.

Selected Publications – Critical transitions

Stephanie Eby*, Amit Agrawal*, Sabiha Majumder, Andew Dobson and Vishwesha Guttal, 2017, Alternative stable states and spatial indicators of critical slowing down along a spatial gradient in a savanna ecosystem,  Global Ecology and Biogeography, 26: 638-649;  Codes and Data are available on Github.  PDF (*These authors contributed equally to this work). 

Vishwesha GuttalSrinivas Raghavendran, Nikunj Goel, and Quentin Hoarau. 2016, Lack of Critical Slowing Down Suggests that Financial Meltdowns Are Not Critical Transitions, yet Rising Variability Could Signal Systemic Risk,  PLoS ONE, 11(1): e0144198.

Sonia Kefi*, Vishwesha Guttal*, William A Brock, Stephen R Carpenter, Aaron M Ellison, Valerie N Livina, David A Seekel, Marten Scheffer, Egbert H van Nes, Vasilis Dakos, 2014, Early warning signals of ecological transitions: Methods for spatial patterns, PLoS ONE 9(3): e92097. (*These authors contributed equally to this work).

Vishwesha Guttal, C. Jayaprakash. 2009, Spatial variance and spatial skewness: Leading indicators of regime shifts in spatial ecological systems, Theoretical ecology, 2:3-12.PDF

Vishwesha Guttal, C. Jayaprakash. 2008, Changing Skewness: An early warning signal of regime shifts in ecological systems, Ecology Letters 11:450-460.PDF

Selected Publications: (see the full list here).
Collective Behaviour:
Christos C Ioannou, Vishwesha Guttal, Iain D Couzin, 2012, Predatory fish select for coordinated collective motion in virtual preyScience. 337: 1212-1215 A video on YouTube. [PDF available from Iain Couzin’s publications page. Look for publication #69.]
Highlights:
Perspectives, Science
Telegraph, India
National Public Radio
The Economist
Ed Yong @ Discover blog.
Vishwesha Guttal*, Pawel Romanczuk*, Stephen J Simpson, Gregory A Sword, Iain D Couzin, 2012, Cannibalism as a driver of the evolution of phase polyphenism in locustsEcology Letters, Vol 15:1158-1166 [*co-first authors]. PDF.
Highlights:
Texas A&M AGRILIFE
Max-Planck Institute Press Release (in German)
Vishwesha Guttal, Iain D. Couzin, 2010, Social interactions, information use and the evolution of collective migration, Proceedings of the National Academy of Sciences, USA. 107:16172-16177. PDF. Also see: Movies 1 and 2.
Highlights:
From the Cover of PNAS
In This Issue of PNAS
Commentary by Simpson and Sword in PNAS
Commentary by Ramaswamy in J. Club for Cond Mat Phys
New York Times.Wired ScienceDNA
Debashish Chowdhury, Vishwesha Guttal, Katsuhiro Nishinari and Andreas Schadschneider, 2002, “A Cellular Automata model of flow in ant-trails: non-monotonic variation of speed with density”, Journal of Physics A: Mathematical and General:35, L575-L577 (2002). PDF.
Ecosystem Dynamics
Sonia Kefi*, Vishwesha Guttal*, William A Brock, Stephen R Carpenter, Aaron M Ellison, Valerie N Livina, David A Seekel, Marten Scheffer, Egbert H van Nes, Vasilis Dakos, 2014, Early warning signals of ecological transitions: Methods for spatial patterns, PLoS ONE 9(3): e92097. doi:10.1371/journal.pone.0092097 (*These authors contributed equally to this work).
Vasilis Dakos, Stephen R. Carpenter, William A. Brock, Aaron M. Ellison, Vishwesha Guttal, Anthony R. Ives, Sonia Kefi, Valerie Livina, David A. Seekell, Egbert H. van Nes, Marten Scheffer, 2012, Methods for detecting early warnings of critical transitions in time series: Illustrated using simulated ecological dataPLoS ONE7(7): e41010PDF
Vishwesha Guttal, C. Jayaprakash. 2009, Spatial variance and spatial skewness: Leading indicators of regime shifts in spatial ecological systems, Theoretical ecology, 2:3-12.PDF
Vishwesha Guttal, C. Jayaprakash. 2008, Changing Skewness: An early warning signal of regime shifts in ecological systems, Ecology Letters 11:450-460.PDF
Vishwesha Guttal, C Jayaprakash, 2007, “Self-organization and productivity in semi-arid ecosystems: Implications of seasonality in rainfall”, Journal of Theoretical Biology,248: 490-500. PDF
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