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Prior to 2012-08

Theoreticians on the loose!

This Monday a group of about 10 Theoretical ecologists (E. theoreticus) were sighted in an unusual environment - the outdoors! During the morning the small flock stayed quiet still at the southern bird watching tower at Lake Tåkern. Thera has also been reports of the theoreticians later strolling around in the immediate surroundings, seemingly attracted by the floral rarities of the wet meadows. This last report we advice be considered with caution, as it is by a somewhat incredulous nature. More in line with the known behaviour of these wonderful creatures, are sightings of the flock inside of the newly built Naturum where, it has been verified, some flock members performed bird watching behaviour while comfortably seated in couches! (2012-06-15)

Half Time Seminar x 2

On the 20th of June PhD students David Gilljam and Alva Curtsdotter will have a joint half time seminar with Tomas Jonsson in the role of opponent. Different aspects of structure and stability of ecological networks will be covered, including analysis of the body-size structure of empirical networks, robustness of size-structured food webs and the stability consequences of structural rewiring in dynamical models. All interested are welcome to room Odén at 13.15. (2012-06-15)

Congratulations to the new Doctor Malin Setzer

Malin Setzer successfully defended her thesis "The decline of great Arctic charr in Lake Vättern - empirical and theoretical analyses of suggested causes" on Friday the 1st of June. Professor Mark Emmerson of Queen's University Belfast, UK was her opponent. (2012-06-08)

Left: Malin and the Fishing Pond. Upper middle: A toast for the new doctor! From left to right we see opponent Mark Emmerson, supervisor Tomas Jonsson, members of the examination committee Andrea Belgrano and Larry Greenberg and finally Malin herself. Middle, lower left: Co-supervisor Bo Ebenman, supervisor Tomas Jonsson and opponent Mark Emmerson. Middle, lower right: Supervisor bearing gifts! Right: Which turned out to be a lot of candy. Not that Malin is reputable for her sweet tooth...no.

Malin Setzer nailed her thesis...

...3 weeks ago. And tomorrow she will defend it! The thesis is called "The decline of great Arctic charr in Lake Vättern - empirical and theoretical analyses of suggested causes". As the title implies this thesis stands out among the Theoretical Biology theses due to its combination of theory and modelling with empirical studies. Malin's opponent is Prof. Mark Emmerson from Queen's University Belfast, and in the examination committee we will find Prof. Larry Greenberg, Karlstad University, Dr. John Piccolo, Karlstad University and Dr. Andrea Belgrano, Swedish University of Agricultural Sciences Lysekil. (2012-05-31)

Stochasticity in Norway

The newly become Ph. D. Linda Kaneryd, and still Ph. D. student Alva Curtsdotter just came home from a workshop at Lovund, Norway. It was on the occasion of Professor Russell Lande’s award of the Balzan Prize 2011 for Theoretical Biology or Bioinformatics that the Centre for Conservation Biology (CCB) organized a workshop called "Stochastic demography in fluctuating environments: theory and empirical patterns ".  Memorable lectures were held by Russel Lande, Steinar Engen and Bernt-Erik Saether and interesting presentations were provided by several of the workshop attendees themselves. However, who knows if the most long-lasting impressions weren't caused by some of the local inhabitants instead, the amazing bumble-bee-birds: the puffins! (2012-04-30)

Jenny and her Thesis.

Congratulations to the new Doctor Jenny Lennartsson

Jenny Lennartsson successfully defended her thesis "Networks and epidemics - impact of network structure on disease transmission" on Friday the 27th of April. Dr Meggan Craft of University of Minnesota, USA  was her opponent. (2012-05-21)

Congratulations to the new Doctor Nina Håkansson

Nina Håkansson successfully defended her thesis "Network analysis and optimization of animal transports" on Thursday the 26th of April. Dr Vittoria Colizza of University Pierre and Marie Curie, France was her opponent. (2012-05-21)

Left to right: The Thesis, The Opponent and The Defendent.
Nina and Jenny.

A Double of Defence

Jenny Lennartsson and Nina Håkansson played a double in the noble game of "Nailing the thesis" on the 5th of April. Accordingly, they will both defend their thesis next week. First out is Nina on Thursday the 26th of April. Her opponent will be Vittoria Colizza of University Pierre and Marie Curie, France, and in the examination committee we will find Girma Gibresenbet, Swedish University of Agricultural Sciences Uppsala, Linda Keeling, Swedish University of Agricultural Sciences Uppsala and Michael Hörnquist, Linköping University. Next, on Friday the 27th of April Jenny Lenmartsson is up for defence. Her opponent will be Meggan Craft of University of Minnesota, USA and in the examaination committee we will find Ivar Vågsholm, Swedish University of Agricultural Sciences Uppsala, Fredrik Liljeros, Stockholm University and Björn Olsson, University of Skövde. We wish both of them the best of luck! (2012-04-20)

Congratulations to the new Doctor Linda Kaneryd

Linda Kaneryd successfully defended her thesis "Dynamics of ecological communities in variable environments - local and spatial processes" on Wednesday the 4th of April. Dr Mike Fowler from Institut Mediterrani d'Estudis Avançats, Mallorca was her opponent. (2012-04-10)

Upper left: Linda participating in the "spex". Lower left: Examination committee has just given the verdict! Second newest doctor in the Theoretical biology group, Frida Lögdberg, congratulates Linda and in the background are the members of the examination committee (Bengtsson, Norberg and Bodin), supervisor Bo Ebenman and opponent Fowler. Upper middle: The party people. Lower middle: Linda and one of her presents, a book about Sweden'n National Parks. Right: Opponent Mike Fowler and Dr Linda Kaneryd.

Linda Kaneryd has nailed her thesis

...and will defend it on Wednesday the 4th of April. Her opponent will be Mike Fowler of Institut Mediterrani d'Estudis Avançats, Mallorca and in the examination committee we will find Jan Bengtsson, Swedish University of Agricultural Sciences Uppsala, Jon Norberg, Stockholms University and Örjan Bodin, Stockholms University. We wich her the best of luck! (2012-03-22)

Congratulations to the new Doctor Frida Lögdberg

Frida Lögdberg successfully defended her thesis "Population dynamics in variable environments - impacts of noise colour and synchrony" on Friday 13th of January. Dr Karen C Abbott from Iowa State University was her opponent. (2012-03-05)

Thesis defence coming up

SPABIO member Frida Lögdberg successfully nailed her thesis just before Christmas. In true scientific spirit, she defies old superstition and defends the thesis on Friday the 13th of January. We all knock on wood and wish her the best of luck! Her opponent, flying in from over the Atlantic, is Karen C. Abbott of Iowa State University, USA. Members of the examination committee are Per Lundberg, University of Lund, Jan Bengtsson, Swedish University of Agricultural Sciences Uppsala and Per Åberg, University of Gothenburg. (2012-01-03)

Binzer, Rall & PACE Lab's Curtsdotter

Four new SIZEMIC papers fresh off the press

Ulrich Brose, Göttingen University, Germany, introduces the four papers constituting the SIZEMIC special feature "Extinctions in complex, size-structured communities" in Basic and Applied Ecology. Combining a body size focus with perturbation analysis these papers give insights into the characteristics of species most prone to extinction (Binzer et al.), the species traits and food web characteristics most important for food web robustness (Curtsdotter et al. and Riede et al., respectively) and how food web robustness is affected by the ability of consumers to alter their diet after losing prey (Thierry et al.). (2011-11-18)

Elisa Thébault comes to visit

This week Theoretical Biology has the pleasure of receiving Dr Elisa Thébault from Paris' Ecole Normale Supérieur as a guest. While here Elisa will present her research to the Biology Department by giving the talk "Structure and Stability of Interaction Webs: What are the differences between mutualistic and antagonistic networks?" and also sit down with the PhD students of Theoretical Biology to discuss and feedback on their research. Last but not least, there is of course an evening programme including, among other things, good food, wine and company. (2011-11-07)

Get Down and Personal to Understand Food Web Structure

PACE Lab members David Gilljam and Bo Ebenman are first and last author on the recently published paper "Seeing Double: Size-Based and Taxonomic Views of Food Web Structure" in Advances in Ecological Research. The paper is a product of the collaboration within the SIZEMIC research network and based on data gathered by several empirical researchers.Analysis of the individual based trophic interaction data from 7 aquatic food webs reveals how the trophic structure of ecological networks are governed by the body size of the interacting individuals rather than the averaged body-size of interacting taxa. These results have potentially important implications for model parameterisation and thus for the predictions of the dynamics and the disturbance response of ecological communitites. (2011-10-25)

New SPABIO Member

We welcome newly accepted PhD Student Peter Brommesson to Theoretical Biology and the SPABIO Lab. The PhD project concerns the spread of animal disease between farms in the USA and is part of a collaboration between Colorado State University, USA, University of Warwick, UK, and Linköping University. (2011-10-07)

Professor in Paris

Bo Ebenman recently visited ex-PACE Lab member Céline Hauzy at Université Pierre et Marie Curie in Paris to work on their joint research project. While visiting he was also invited to present the PACE Lab research in the seminar series "Séminaires Ecologie & Evolution". Staying in the Quartier latin, savouring the french kitchen and admiring the sights of Paris when not engaged in scientific discussions it seems to have been a fruitful and enjoyable visit. (2011-10-05)

New PACE member

We welcome Master student Yuba Raj Subedi who will be working on his Master thesis with Bo Ebenman as his supervisor. Yuba's Master thesis aims to assess how the structure of food webs affect their sensitivity to increased environmental variation. (2011-09-14)

Ekenäs mansion

PhD Course - Food web interactions and stability

In the first week of September PhD Students Alva Curtsdotter and Torbjörn Säterberg are going to beautiful Ekenäs mansion to participate in a PhD course hosted by the Department of Ecology at SLU, Uppsala. Taking the form of a highly interactive workshop, the course will focus on species interactions and how different types and aspects of these interactions may affect stability itself as well as the relationship between stability and diversity. Teachers on the course will be Dr Deborah Finke, University of Columbia, USA, Dr Jason Tylianakis, University of Canterbury, New Zealand and Dr Elisa Thebault, Ecole normale supérieure, France. (2011-08-25)

Dig in on the Importance of Body Size

This month OIKOS published a special issue: "Body size and ecosystem dynamics - SIZEMIC 2010", containing a number of papers resulting from the research carried out within SIZEMIC.  Among the contributors were PACE Lab members Sofia Berg, first author of "Using sensitivity analysis to identify keystone species and keystone links in size-based food webs" and Bo Ebenman, last author of the above paper, co-author of Gabriel Yvon-Durocher's  "Across ecosystem comparisons of size structure: methods, approaches and prospects" and also one of the editors of the special issue. To get an overlook of the issue, to see if there is something in there for you, throw an eye at Julia Blanchard's excellent introduction! (2011-04-20)

Fishy focus in Hamburg-Altona

The Last SIZEMIC Meeting

The PACE-lab sent some of its members, PhD students Alva Curtsdotter, David Gilljam and Torbjörn Säterberg, to Hamburg to immerse themselves in stage-structured and size-spectrum models during the SIZEMIC Summer School and further to attend the fourth SIZEMIC meeting. Both course and conference were much appreciated although the small epidemic of gastric flu was less so... The fourth SIZEMIC meeting was also the last, marking the end of the four-year ESF funded research network. (2011-04-18)

New SPABIO Member

We welcome newly accepted PhD Student Stefan Sellman to Theoretical Biology and the SPABIO Lab. He will be working on the FORMAS funded project  "Sustainable livestock management with respect to animal transports and production systems: animal welfare and spread of disease" (see News item "Sustainability research brings in grant from FORMAS" from 2010-12-09) in which he will analyse animal transports with respect to animal welfare, disease spread and carbon dioxide emissions. (2011-04-18)

Professor In Focus

Professor Bo Ebenman is the author of the In Focus feature "Response of ecosystems to realistic extinction sequences" in the latest issue of Journal of Animal Ecology. The paper in focus is "The Serengeti food web: empirical quantification and analysis of topological changes under increasing human impact" by Sara de Visser et al. Bo Ebenman points to the imprtance of de Visser's contribution as it applies realistic extinction sequences, based e.g. on the IUCN Red List, on a topological food web model of a terrestrial community, i.e. the Serengeti system, in order to investigate robustness to species loss. (2011-02-18)

Spring in the Oak landscape

Frida Lögdberg appears on national television

The 3rd of February Ph D student Frida Lögdberg of the SPABIO group will appear on the national television channel Kunskapskanalen in the programme UR Samtiden. It is a pre-recorded broadcast from the Popular Science Day, where Frida gave the talk " A mathematical model of the Oak landscape". The Oak landscape is a biodiversity hotspot south of Linköping. It is rich on old oaks and, consequently, rich on those many threatened species that utterly depend on these trees. However, the Oak landscape has lost area and been fragmented, making the long term survival of these threatened species uncertain. In her talk Frida presents a general, spatially explicit model, including dispersal and environmental variation, aimed at examining population extinction risk and how such a model could be applied in nature management, e.g. in planning for an ecologically sustainable Oak landscape. (2011-02-02)

The annual OIKOS meeting 2011

Alva Curtsdotter and Linda Kaneryd will be attending the annual OIKOS meeting, this year held at the Marine Research Station at Tjärnö. They will both be giving talks. Alva Curtsdotter will be presenting "Sequential deletions in dynamical food webs: the role of species traits and community characteristics for robustness" and Linda Kaneryd will be presenting "A two-sided effect of biodiversity on the stability of ecosystems in an increasingly variable environment". Professor Uno Wennergren will also be attending the meeting as member of the OIKOS board. (2011-01-14)

Charles Elton

Paper published in Ecology Letters

PACE Lab members Tomas Jonsson and Bo Ebenman have together with researchers in Germany, Australia and New Zealand recently published the paper " Stepping in Elton's footprints: a general scaling model for body masses and trophic levels across ecosystems". The study is based on an extensive empirical dataset and contradicts the Eltonian paradigm stating that there is no trend between predator-prey body mass ratios and trophic level of the predator. Rather, based on the empirical data, there seem to be a systematic decrease in predator-prey body mass ratios with trophic level. The authors further dicuss the implications of these findings for the current understanding of body-mass constraints on food web topology, dynamics and stability. Want to know more? You find the paper here. (2011-01-11)

Tom and Focal Species (Cane Toad)

Dr Tom Lindström receives VR grant for Aussie Post Doc

The quite recently become Doctor Tom Lindström has received a grant from the Swedish Research Council (VR) for a 2 year postdoctoral fellowship in the lab of Rick Shine at the University of Sydney. During his fellowship Tom Lindström will join Rick Shine in his research on alien invasive species (AIS), but in this case not the effect of the AIS on it's new ecological environment, but the effect of this environment on the AIS. As the environment is new the AIS may experience new selection pressures and may therefore evolve new behaviours. Such evolutionary changes may for example change the dispersal rate of a species and Tom will be developing dispersal models to include such behaviourial effects, in order to improve predictions of the probability and rate of biological invasions into new areas. As the VR grant also includes 1 year funding for work in Sweden after the completion of the postdoctoral fellowship in Oz there's actually a chance that we'll see him back in Sweden! (2010-12-09)

Sustainability research brings in grant from FORMAS

The Swedish Research Council FORMAS has granted 3,3 MSEK to a project lead by Professor Uno Wennergren. The 3 year project, "Sustainable livestock management with respect to animal transports and production systems: animal welfare and spread of disease", focuses on animal transports as modern livestock production systems often include much movement of animals between production units. These transports have implications for aspects of animal production sustainability, such as animal welfare, the risk of disease spread and transport related carbon dioxide emissions. One aim of the project is to quantify the effect of route and strategic planning on these sustainability aspects. In a later stage the knowledge and methods developed in this project can be used in policy decisions concerning criteria of sustainable production system with regard to animal transports. The project is a joint effort and, in addition to professor Wennergren's group at Linköping University, the National Veterinary Institute, the Forest Research Institute and the Swedish University of Agricultural Sciences are also involved. Readers able to understand swedish can enjoy reading more about this at LiU News and FORMAS. (2010-12-09)

Céline Hauzy returns to France

We say good bye to Céline Hauzy who we were happy to have with us as post doc for 2 years. She has been working in the PACE Lab and been of great help to several of the Ph.D. students in addition to conducting her own research. Céline has now returned to France to work at Université Pierre et Marie Curie and we wish her all the best of luck in the future! (2010-12-01)

Göttingen landmark

German Work Visit Part II

In early November Alva Curtsdotter went for another SIZEMIC work visit to the research group of Ulrich Brose in Göttingen, Germany. First time around, it was coding, and during the fall the simulations have been running. Now, the second time around, together with other SIZEMICers like Francisco de Castro and former PACE group member Anna Eklöf they got down to business analysing the data and starting writing up the papers. So keep an eye out for a special issue in Basic and Applied Ecology! (2010-11-25)

Money rains on new Professor

The group of Theoretical Biology can count another professor among the ranks. It's the same old Uno Wennergren, but he has finally been promoted to full Professsor of Theoretical Biology. And as icing on the cake professor Wennergren recently received 2 major grants: 2.5 million SEK from MSB (Swedish Civil Contingencies Agency) for research on the Spread of Animal Diseases and 1.5 million SEK from FORMAS for Animal Welfare research. (2010-10-28)

Linda Kaneryd is halfway through...

...her time as a Ph.D. Student and consequently had her halfway seminar to which Mike Fowler (Institut Mediterrani d'Estudis Avançats, Mallorca) was invited as opponent. In connection to this the group of Theoretical Biology arranged a "Mini Symposium" with speakers from both labs and of course Mike Fowler as key note speaker. (2010-10-07)

Aaron Thierry

Just an Englishman in New York

Or rather an englishman in Linköping as Aaron Thierry from the Petchey Group in Sheffield comes to visit the PACE Lab in the second week of October. The visit is another of the SIZEMIC work visits and Aaron comes to join David Gilljam and Bo Ebenman in a project concerning the relative importance of size and taxonomy for feeding interactions between individuals. (2010-10-01)

Welcome to MSc Student Joakim Svensson

A new semester means new students, including new Master Students. We welcome Joakim Svensson, who will be with us at the PACE Lab for a year working on his master thesis titled "Reintroducing captive bred species – the effects on ecological communities". You can read more about Joakim's project here. (2010-08-26)

Paper published in Journal of Theoretical Biology

Céline Hauzy recently published the paper "Density-dependent dispersal and relative dispersal affect the stability of predator-prey metacommunities" in Journal of Theoretical Biology. Together with colleagues in France and Canada she investigated the effects of intra- and interspecific dispersal on regional stability of metacommunities. One interesting conclusion was that intermediate dispersal rates increased regional stability by strengthening the top-down control in the system. Read more about this and other results of the study in the paper which you can find here. (2010-08-23)

Annual BES meeting is coming up

This year the annual meeting of the British Ecological Society will be held in Leeds and members from Theoretical Biology will be there (as usual). Ph.D students David Gilljam, Linda Kaneryd and Torbjörn Säterberg will all present posters and professor Bo Ebenman will, in the Thematic Topic Session: On the synthesis of size- and species- based approaches in community and ecosystem ecology, give a talk based on work carried out within the 2nd working group of SIZEMIC. (2010-08-26)

German Work Visit

In early August Ph.D Student Alva Curtsdotter visited the research group of Ulrich Brose in Göttingen. The visit was a two week SIZEMIC work visit and at the end of it three different projects were up and running. So beyond being very enjoyable, including a canoe trip and picturesque markets, the visit was also quite productive! (2010-08-16)

The 3rd SIZEMIC Meeting

Several of the PACE Lab members will be going south to participate in the 3rd SIZEMIC meeting, held in Barcelona, Spain. David Gilljam, Linda Kaneryd and Torbjörn Säterberg will all present posters during the meeting while Sofia Berg, Alva Curtsdotter, Bo Ebenman and Malin Setzer will only enjoy the conference and the spanish sun. Oh, and those in the working groups might have to work a bit as well... (2010-06-10)

Master Thesis on Ecologically Viable Population Sizes

On Friday May 28th Stefan Sellman presented his Master Thesis "Ecologically Viable Population Sizes: Determining Factors". The minimum ecologically viable population size (MEVP) of a species describes the minimum size at which the species itself or another species in the same ecosystem goes extinct as a result of the loss of inter-specific interactions. The results put emphasis on the importance of regarding the web as a whole when working with species extinctions, while also highlighting the usefulness of the MEVP concept. (2010-06-10)

Paper published in Oecologia

Céline Hauzy recently published the paper "Spatial heterogeneity and functional response: an experiment in microcosms with varying obstacle densities" in Oecologia. Together with colleagues in Paris she used mites feeding on springtails to investigate the effect of obstacle density on prey and predator dependence in the functional response. The results suggest that obstacles modify the functional response in a different way than refuges. You can find the paper here. (2010-06-10)

Congratulations to the new Doctor Tom Lindström

Tom Lindström successfully defended his thesis "Spatial Spread of Organisms: Modeling ecological and epidemiological processes" on Friday 7th of May. Dr Colleen Webb from Colorado State University was his opponent. (2010-05-17)

Left: Supervisor Uno Wennergren praising Tom in his speech. Middle above: Highlight from the PhD Student "dance show" illustrating Tom's thesis. Middle below: Tom receiving gifts from his co-workers in SPABIO. Right: Tom looking at pictures from his days as a graduate students. Tom's opponent Dr Colleen Webb seems to enjoy the picture show as well!

Uno Wennergren lands big grant for US project

The US department for Homeland Security has recently granted 560,000$ to a project shared between Dr Uno Wennergren here at Theoretical Biology and Dr Colleen Webb of the Colorado State University. The aim of the project is to develop better predictions of the spread of animal diseases, such as Foot-and-mouth-disease. For work within this project, Uno Wennergren has received 217,000$. Readers able to understand swedish can enjoy reading more about this at http://www.liu.se/liu-nytt/arkiv/nyhetsarkiv/1.194729?l=sv (2010-05-07)

Anna Eklöf leaves for The Windy City

Anna Eklöf, who recently defended her thesis and achieved the title of Ph.D., has now left the group to join Stefano Allesina in Chicago. She has attained a Post Doc position at the University of Chicago and will be working together with Stefano Allesina (University of Chicago) and Mercedes Pascual (University of Michigan) in a project concerning models for food webs and other ecological networks. We wish her the best of luck in her continued research work in "The Windy City"! (2010-02-25)

The OIKOS meeting 2010

Six members from Theoretical Biology participated in the annual OIKOS meeting, this year hosted by Gotland University. David Gilljam, Alva Curtsdotter, Sara Gudmundson and Torbjörn Säterberg presented posters and Frida Lögdberg gave a talk. (2010-02-05)

Congratulations to the new Doctor Anna Eklöf

Anna Eklöf successfully defended her thesis "Species extinctions in food webs - local and regional processes" on Friday 18th of December. Marcel Holyoak from University of Californa, Davis, was her opponent. (2009-12-21)

Upper row from the left: Defence, Anna Eklöf and supervisor Bo Ebenman arriving at the party, Second supervisor Peter Münger, Professor Ebenman giving a speech to Anna. Lower row from the left: Anna & Bo, Opponent Marcel Holyoak, Happy Dr Eklöf!


Annual Meeting of the British Ecological Society

People from our lab gave talks (Céline Hauzy) and presented posters (Linda Kaneryd and Céline Hauzy) at the recent annual meeting of the British Ecological Society at Hertfordshire, UK, 7-10 September. (2009-09-14)

The 10th International Congress of Ecology

Members from our group presented talks (Bo Ebenman) and posters (Alva Curtsdotter & David Gilljam) at the 10th International Congress of Ecology Ecology in a Changing Climate , 16-21 August, in Brisbane, Australia. (2009-08-25)

INTECOL, socialising at The Plough in Brisbane (Alva and Bo to the right). Doing some whalewatching (Humpbacks) and birdwatching (Laughing Kookaburra) while in the neighbourhood...


Second Workshop of the ESF Research Networking Programme SIZEMIC

Members from the Division of Theoretical Biology participated in the second SIZEMIC Workshop

"Body size and ecosystem dynamics: Implications for conservation and management of natural resources"

at the Sven Lovén Centre for Marine Sciences, University of Gothenburg, Strömstad, Sweden in June 1-6, 2009. The workshop was organised by Andrea Belgrano and Bo Ebenman.

New members

Sara Gudmundson started as a PhD student and Torbjörn Säterberg joined the group as a research assistant in August 2009. Welcome Sara and Torbjörn to Theoretical Biology!

ESF Research Networking Programme

Members from the Population and Community Ecology Group participate in the newly established European Science Foundation (ESF) Research Networking Programme SIZEMIC (Body-size and ecosystem dynamics). Bo Ebenman is one of the principle investigators and a member of the steering committee of the programme. The programme is funded by the Swedish Research Council (VR) and several other national reserach councils in Europe. The first workshop organized by the programme took place in Cambridge (UK), April 5-7, 2008.

Recent research findings featured in Nature

Anna Eklöf, Charlotte Borrvall and Bo Ebenman together with Owen Petchey from the University of Sheffield recently published the paper "Trophically unique species are vulnerable to cascading extinction" in The American Naturalist. The paper was featured in Nature in the section Research Highlights ("Ecology: Chain of Death" March 19, 2008).

Responsible for this page: Alva Curtsdotter

Last updated: 08/14/13