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Journal Cover Trends in Ecology & Evolution
  [SJR: 11.087]   [H-I: 255]   [220 followers]  Follow
   Full-text available via subscription Subscription journal
   ISSN (Print) 0169-5347
   Published by Elsevier Homepage  [3043 journals]
  • Harnessing the Power of Genomics to Secure the Future of Seafood
    • Authors: Louis Bernatchez; Maren Wellenreuther; Cristián Araneda; David T. Ashton; Julia M.I. Barth; Terry D. Beacham; Gregory E. Maes; Jann T. Martinsohn; Kristina M. Miller; Kerry A. Naish; Jennifer R. Ovenden; Craig R. Primmer; Ho Young Suk; Nina O. Therkildsen; Ruth E. Withler
      Pages: 665 - 680
      Abstract: Publication date: September 2017
      Source:Trends in Ecology & Evolution, Volume 32, Issue 9
      Author(s): Louis Bernatchez, Maren Wellenreuther, Cristián Araneda, David T. Ashton, Julia M.I. Barth, Terry D. Beacham, Gregory E. Maes, Jann T. Martinsohn, Kristina M. Miller, Kerry A. Naish, Jennifer R. Ovenden, Craig R. Primmer, Ho Young Suk, Nina O. Therkildsen, Ruth E. Withler
      Best use of scientific knowledge is required to maintain the fundamental role of seafood in human nutrition. While it is acknowledged that genomic-based methods allow the collection of powerful data, their value to inform fisheries management, aquaculture, and biosecurity applications remains underestimated. We review genomic applications of relevance to the sustainable management of seafood resources, illustrate the benefits of, and identify barriers to their integration. We conclude that the value of genomic information towards securing the future of seafood does not need to be further demonstrated. Instead, we need immediate efforts to remove structural roadblocks and focus on ways that support integration of genomic-informed methods into management and production practices. We propose solutions to pave the way forward.

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.06.010
  • Mutualisms Are Not on the Verge of Breakdown
    • Authors: Megan E. Frederickson
      Pages: 727 - 734
      Abstract: Publication date: October 2017
      Source:Trends in Ecology & Evolution, Volume 32, Issue 10
      Author(s): Megan E. Frederickson
      Mutualisms teeter on a knife-edge between conflict and cooperation, or so the conventional wisdom goes. The costs and benefits of mutualism often depend on the abiotic or biotic context in which an interaction occurs, and experimental manipulations can induce shifts in interaction outcomes from mutualism all the way to parasitism. Yet, research suggests that mutualisms rarely turn parasitic in nature. Similarly, despite the potential for ‘cheating’ to undermine mutualism evolution, empirical evidence for fitness conflicts between partners and, thus, selection for cheating in mutualisms is scant. Furthermore, mutualism seldom leads to parasitism at macroevolutionary timescales. Thus, I argue here that mutualisms do not deserve their reputation for ecological and evolutionary instability, and are not on the verge of breakdown.

      PubDate: 2017-09-21T16:48:12Z
      DOI: 10.1016/j.tree.2017.07.001
  • The ‘Evo-Demo’ Implications of Condition-Dependent Mortality
    • Authors: Victor Ronget; Michael Garratt; Jean-François Lemaître; Jean-Michel Gaillard
      Abstract: Publication date: Available online 9 October 2017
      Source:Trends in Ecology & Evolution
      Author(s): Victor Ronget, Michael Garratt, Jean-François Lemaître, Jean-Michel Gaillard
      Animals in the wild die from a variety of different mortality sources, including predation, disease, and starvation. Different mortality sources selectively remove individuals with different body condition in different ways, and this variation in the condition dependence of mortality has evolutionary and demographic implications. Subsequent population dynamics are influenced by the strength of condition-dependent mortality during specific periods, with population growth impacted in different ways in short- versus long-lived species. The evolution of lifespan is strongly influenced by condition-dependent mortality, with strikingly different outcomes expected in senescence rates when the relationship between condition and mortality is altered. A coupling of field and laboratory studies is now required to further reveal the evolutionary implications of condition-dependent mortality.

      PubDate: 2017-10-12T18:40:49Z
      DOI: 10.1016/j.tree.2017.09.003
  • Plant States and Fates: Response to Pimm and Raven
    • Authors: Eimear Nic Lughadha; Steven P. Bachman; Rafaël Govaerts
      Abstract: Publication date: Available online 28 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Eimear Nic Lughadha, Steven P. Bachman, Rafaël Govaerts

      PubDate: 2017-10-05T18:39:02Z
      DOI: 10.1016/j.tree.2017.09.005
  • Editorial Board and Contents
    • Abstract: Publication date: October 2017
      Source:Trends in Ecology & Evolution, Volume 32, Issue 10

      PubDate: 2017-09-21T16:48:12Z
  • Evolution of Visual Processing in the Human Retina
    • Authors: Trevor D. Price; Rebia Khan
      Abstract: Publication date: Available online 19 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Trevor D. Price, Rebia Khan
      Motion detection in humans is based on luminance differences, now shown likely to be processed by a specialized set of cone cells, separate from the cone cells that process color. Humans appear to have evolved a mechanism analogous to that proposed for the double cones of other vertebrates, lost as vision simplified in our nocturnal ancestors.

      PubDate: 2017-09-21T16:48:12Z
      DOI: 10.1016/j.tree.2017.09.001
  • Transformative Research Is Not Easily Predicted
    • Authors: Sarah A. Gravem; Silke M. Bachhuber; Heather K. Fulton-Bennett; Zachary H. Randell; Alissa J. Rickborn; Jenna M. Sullivan; Bruce A. Menge
      Abstract: Publication date: Available online 15 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Sarah A. Gravem, Silke M. Bachhuber, Heather K. Fulton-Bennett, Zachary H. Randell, Alissa J. Rickborn, Jenna M. Sullivan, Bruce A. Menge
      Transformative research (TR) statements in scientific grant proposals have become mainstream. However, TR is defined as radically changing our understanding of a concept, causing a paradigm shift, or opening new frontiers. We argue that it is rarely possible to predict the transformative nature of research. Interviews and surveys of 78 transformative ecologists suggest that most TR began with incremental goals, while transformative potential was recognized later. Most respondents thought TR is unpredictable and should not be prioritized over ‘incremental’ research that typically leads to breakthroughs. Importantly, TR directives might encourage scientists to overstate the importance of their research. We recommend that granting agencies (i) allocate only a subset of funds to TR and (ii) solicit more realistic proposal statements.

      PubDate: 2017-09-16T10:22:08Z
      DOI: 10.1016/j.tree.2017.08.012
  • Process, Mechanism, and Modeling in Macroecology
    • Authors: Sean R. Connolly; Sally A. Keith; Robert K. Colwell; Carsten Rahbek
      Abstract: Publication date: Available online 14 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Sean R. Connolly, Sally A. Keith, Robert K. Colwell, Carsten Rahbek
      Macroecology has traditionally relied on descriptive characterization of large-scale ecological patterns to offer narrative explanations for the origin and maintenance of those patterns. Only recently have macroecologists begun to employ models termed ‘process-based’ and ‘mechanistic’, in contrast to other areas of ecology, where such models have a longer history. Here, we define and differentiate between process-based and mechanistic features of models, and we identify and discuss important advantages of working with models possessing such features. We describe some of the risks associated with process-based and mechanistic model-centered research programs, and we propose ways to mitigate these risks. Giving process-based and mechanistic models a more central role in research programs can reinvigorate macroecology by strengthening the link between theory and data.

      PubDate: 2017-09-16T10:22:08Z
      DOI: 10.1016/j.tree.2017.08.011
  • Understanding the Processes Underpinning Patterns of Phylogenetic
    • Authors: Barnabas H. Daru; Tammy L. Elliott; Daniel S. Park; T. Jonathan Davies
      Abstract: Publication date: Available online 14 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Barnabas H. Daru, Tammy L. Elliott, Daniel S. Park, T. Jonathan Davies
      A key step in understanding the distribution of biodiversity is the grouping of regions based on their shared elements. Historically, regionalization schemes have been largely species centric. Recently, there has been interest in incorporating phylogenetic information into regionalization schemes. Phylogenetic regionalization can provide novel insights into the mechanisms that generate, distribute, and maintain biodiversity. We argue that four processes (dispersal limitation, extinction, speciation, and niche conservatism) underlie the formation of species assemblages into phylogenetically distinct biogeographic units. We outline how it can be possible to distinguish among these processes, and identify centers of evolutionary radiation, museums of diversity, and extinction hotspots. We suggest that phylogenetic regionalization provides a rigorous and objective classification of regional diversity and enhances our knowledge of biodiversity patterns.

      PubDate: 2017-09-16T10:22:08Z
      DOI: 10.1016/j.tree.2017.08.013
  • Deconstructing Superorganisms and Societies to Address Big Questions in
    • Authors: Patrick Kennedy; Gemma Baron; Bitao Qiu; Dalial Freitak; Heikki Helanterä; Edmund R. Hunt; Fabio Manfredini; Thomas O’Shea-Wheller; Solenn Patalano; Christopher D. Pull; Takao Sasaki; Daisy Taylor; Christopher D.R. Wyatt; Seirian Sumner
      Abstract: Publication date: Available online 9 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Patrick Kennedy, Gemma Baron, Bitao Qiu, Dalial Freitak, Heikki Helanterä, Edmund R. Hunt, Fabio Manfredini, Thomas O’Shea-Wheller, Solenn Patalano, Christopher D. Pull, Takao Sasaki, Daisy Taylor, Christopher D.R. Wyatt, Seirian Sumner
      Social insect societies are long-standing models for understanding social behaviour and evolution. Unlike other advanced biological societies (such as the multicellular body), the component parts of social insect societies can be easily deconstructed and manipulated. Recent methodological and theoretical innovations have exploited this trait to address an expanded range of biological questions. We illustrate the broadening range of biological insight coming from social insect biology with four examples. These new frontiers promote open-minded, interdisciplinary exploration of one of the richest and most complex of biological phenomena: sociality.

      PubDate: 2017-09-10T13:04:45Z
      DOI: 10.1016/j.tree.2017.08.004
  • Is Reintroduction Biology an Effective Applied Science'
    • Authors: Gemma Taylor; Stefano Canessa; Rohan H. Clarke; Dean Ingwersen; Doug P. Armstrong; Philip J. Seddon; John G. Ewen
      Abstract: Publication date: Available online 7 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Gemma Taylor, Stefano Canessa, Rohan H. Clarke, Dean Ingwersen, Doug P. Armstrong, Philip J. Seddon, John G. Ewen
      Reintroduction biology is a field of scientific research that aims to inform translocations of endangered species. We review two decades of published literature to evaluate whether reintroduction science is evolving in its decision-support role, as called for by advocates of evidence-based conservation. Reintroduction research increasingly addresses a priori hypotheses, but remains largely focused on short-term population establishment. Similarly, studies that directly assist decisions by explicitly comparing alternative management actions remain a minority. A small set of case studies demonstrate full integration of research in the reintroduction decision process. We encourage the use of tools that embed research in decision-making, particularly the explicit consideration of multiple management alternatives because this is the crux of any management decisions.

      PubDate: 2017-09-10T13:04:45Z
      DOI: 10.1016/j.tree.2017.08.002
  • The Nebulous Ecology of Native Invasions
    • Authors: Lloyd L. Nackley; Adam G. West; Andrew L. Skowno; William J. Bond
      Abstract: Publication date: Available online 7 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Lloyd L. Nackley, Adam G. West, Andrew L. Skowno, William J. Bond
      In the Anthropocene, alien species are no longer the only category of biological organism establishing and rapidly spreading beyond historical boundaries. We review evidence showing that invasions by native species are a global phenomenon and present case studies from Southern Africa, and elsewhere, that reveal how climate-mediated expansions of native plants into adjacent communities can emulate the functional and structural changes associated with invasions by alien plant species. We conclude that integrating native invasions into ecological practice and theory will improve mechanistic models and better inform policy and adaptive ecological management in the 21st century.

      PubDate: 2017-09-10T13:04:45Z
      DOI: 10.1016/j.tree.2017.08.003
  • Reply to Eberhard. Cryptic Female Choice: A General Phenomenon
    • Authors: Renée C. Firman; Clelia Gasparini; Mollie K. Manier; Tommaso Pizzari
      Abstract: Publication date: Available online 7 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Renée C. Firman, Clelia Gasparini, Mollie K. Manier, Tommaso Pizzari

      PubDate: 2017-09-10T13:04:45Z
      DOI: 10.1016/j.tree.2017.08.010
  • Cryptic Female Choice Revisited: A Response to Firman et al.
    • Authors: William G. Eberhard
      Abstract: Publication date: Available online 5 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): William G. Eberhard

      PubDate: 2017-09-10T13:04:45Z
      DOI: 10.1016/j.tree.2017.08.009
  • Editorial Board and Contents
    • Abstract: Publication date: September 2017
      Source:Trends in Ecology & Evolution, Volume 32, Issue 9

      PubDate: 2017-09-04T21:21:38Z
  • The Conventional Versus Alternative Agricultural Divide: A Response to
           Garibaldi et al.
    • Authors: Zia Mehrabi; Verena Seufert; Navin Ramankutty
      Abstract: Publication date: Available online 1 September 2017
      Source:Trends in Ecology & Evolution
      Author(s): Zia Mehrabi, Verena Seufert, Navin Ramankutty

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.011
  • Invasion Science in the Developing World: A Response to Ricciardi et al.
    • Authors: Rafael D. Zenni; Sílvia R. Ziller; Anibal Pauchard; Mariano Rodriguez-Cabal; Martin A. Nuñez
      Abstract: Publication date: Available online 31 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Rafael D. Zenni, Sílvia R. Ziller, Anibal Pauchard, Mariano Rodriguez-Cabal, Martin A. Nuñez

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.08.006
  • Winning Arguments: Coexistence Not Competition: A Reply to Saul et al.
    • Authors: Mike Begon
      Abstract: Publication date: Available online 31 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Mike Begon

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.08.008
  • Invasion Science: Looking Forward Rather Than Revisiting Old Ground
           – A Reply to Zenni et al.
    • Authors: Anthony Ricciardi; Tim M. Blackburn; James T. Carlton; Jaimie T.A. Dick; Philip E. Hulme; Josephine C. Iacarella; Jonathan M. Jeschke; Andrew M. Liebhold; Julie L. Lockwood; Hugh J. MacIsaac; Petr Pyšek; David M. Richardson; Gregory M. Ruiz; Daniel Simberloff; William J. Sutherland; David A. Wardle; David C. Aldridge
      Abstract: Publication date: Available online 29 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Anthony Ricciardi, Tim M. Blackburn, James T. Carlton, Jaimie T.A. Dick, Philip E. Hulme, Josephine C. Iacarella, Jonathan M. Jeschke, Andrew M. Liebhold, Julie L. Lockwood, Hugh J. MacIsaac, Petr Pyšek, David M. Richardson, Gregory M. Ruiz, Daniel Simberloff, William J. Sutherland, David A. Wardle, David C. Aldridge

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.08.007
  • Ecologists Winning Arguments: Ends Don’t Justify the Means. A
           Response to Begon
    • Authors: Wolf-Christian Saul; Ross T. Shackleton; Florencia A. Yannelli
      Abstract: Publication date: Available online 28 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Wolf-Christian Saul, Ross T. Shackleton, Florencia A. Yannelli

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.08.005
  • Dipterocarp Biology, Ecology, and Conservation by Jaboury Ghazoul, Oxford
           University Press, 2016. US$89.95, hbk (320 pp.) ISBN 978-0-199-63965-6.
    • Authors: Richard B. Primack
      Abstract: Publication date: Available online 24 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Richard B. Primack

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.009
  • Multidimensional Performance of Farming Approaches: A Reply to Mehrabi et
    • Authors: Lucas A. Garibaldi; Barbara Gemmill-Herren; Raffaele D’Annolfo; Benjamin E. Graeub; Saul A. Cunningham; Tom D. Breeze
      Abstract: Publication date: Available online 24 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Lucas A. Garibaldi, Barbara Gemmill-Herren, Raffaele D’Annolfo, Benjamin E. Graeub, Saul A. Cunningham, Tom D. Breeze

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.010
  • Climates Past, Present, and Yet-to-Come Shape Climate Change
    • Authors: Christopher P. Nadeau; Mark C. Urban; Jon R. Bridle
      Abstract: Publication date: Available online 24 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Christopher P. Nadeau, Mark C. Urban, Jon R. Bridle
      Climate change is altering life at multiple scales, from genes to ecosystems. Predicting the vulnerability of populations to climate change is crucial to mitigate negative impacts. We suggest that regional patterns of spatial and temporal climatic variation scaled to the traits of an organism can predict where and why populations are most vulnerable to climate change. Specifically, historical climatic variation affects the sensitivity and response capacity of populations to climate change by shaping traits and the genetic variation in those traits. Present and future climatic variation can affect both climate change exposure and population responses. We provide seven predictions for how climatic variation might affect the vulnerability of populations to climate change and suggest key directions for future research.

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.012
  • Symbiotic Dinoflagellate Functional Diversity Mediates Coral Survival
           under Ecological Crisis
    • Authors: David J. Suggett; Mark E. Warner; William Leggat
      Abstract: Publication date: Available online 23 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): David J. Suggett, Mark E. Warner, William Leggat
      Coral reefs have entered an era of ‘ecological crisis’ as climate change drives catastrophic reef loss worldwide. Coral growth and stress susceptibility are regulated by their endosymbiotic dinoflagellates (genus Symbiodinium). The phylogenetic diversity of Symbiodinium frequently corresponds to patterns of coral health and survival, but knowledge of functional diversity is ultimately necessary to reconcile broader ecological success over space and time. We explore here functional traits underpinning the complex biology of Symbiodinium that spans free-living algae to coral endosymbionts. In doing so we propose a mechanistic framework integrating the primary traits of resource acquisition and utilisation as a means to explain Symbiodinium functional diversity and to resolve the role of Symbiodinium in driving the stability of coral reefs under an uncertain future.

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.013
  • Advances and Limits of Using Population Genetics to Understand Local
    • Authors: Peter Tiffin; Jeffrey Ross-Ibarra
      Abstract: Publication date: Available online 17 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Peter Tiffin, Jeffrey Ross-Ibarra

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.08.001
  • Cognition in Contests: Mechanisms, Ecology, and Evolution
    • Authors: Michael S. Reichert; John L. Quinn
      Abstract: Publication date: Available online 17 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Michael S. Reichert, John L. Quinn
      Animal contests govern access to key resources and are a fundamental determinant of fitness within populations. Little is known about the mechanisms generating individual variation in strategic contest behavior or what this variation means for population level processes. Cognition governs the expression of behaviors during contests, most notably by linking experience gained with decision making, but its role in driving the evolutionary ecological dynamics of contests is only beginning to emerge. We review the kinds of cognitive mechanisms that underlie contest behavior, emphasize the importance of feedback loops and socio-ecological context, and suggest that contest behavior provides an ideal focus for integrative studies of phenotypic variation.

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.003
  • A Tree-Thinker’s Guide to Genomics
    • Authors: Brian S. Arbogast
      Abstract: Publication date: Available online 17 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Brian S. Arbogast

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.008
  • Which Latitudinal Gradients for Genetic Diversity'
    • Authors: Paolo Gratton; Silvio Marta; Gaëlle Bocksberger; Marten Winter; Petr Keil; Emiliano Trucchi; Hjalmar Kühl
      Abstract: Publication date: Available online 11 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Paolo Gratton, Silvio Marta, Gaëlle Bocksberger, Marten Winter, Petr Keil, Emiliano Trucchi, Hjalmar Kühl
      A recent global analysis of GenBank DNA sequences from amphibians and mammals indicated consistent poleward decrease of intraspecific genetic diversity in both classes. We highlight that this result was biased by not accounting for distance decay of similarity and reanalyse the datasets, revealing distinct latitudinal gradients in mammals and amphibians.

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.007
  • Future Benefits from Contemporary Evosystem Services: A Response to Rudman
           et al.
    • Authors: Daniel P. Faith; Susana Magallón; Andrew P. Hendry; Michael J. Donoghue
      Abstract: Publication date: Available online 10 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Daniel P. Faith, Susana Magallón, Andrew P. Hendry, Michael J. Donoghue

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.005
  • Contemporary Evosystem Services: A Reply to Faith et al.
    • Authors: Seth M. Rudman; Maayan Kreitzman; Kai M.A. Chan; Dolph Schluter
      Abstract: Publication date: Available online 10 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Seth M. Rudman, Maayan Kreitzman, Kai M.A. Chan, Dolph Schluter

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.006
  • Conservation Evo-Devo: Preserving Biodiversity by Understanding Its
    • Authors: Calum S. Campbell; Colin E.​ Adams; Colin W. Bean; Kevin J. Parsons
      Abstract: Publication date: Available online 7 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Calum S. Campbell, Colin E.​ Adams, Colin W. Bean, Kevin J. Parsons
      Unprecedented rates of species extinction increase the urgency for effective conservation biology management practices. Thus, any improvements in practice are vital and we suggest that conservation can be enhanced through recent advances in evolutionary biology, specifically advances put forward by evolutionary developmental biology (i.e., evo-devo). There are strong overlapping conceptual links between conservation and evo-devo whereby both fields focus on evolutionary potential. In particular, benefits to conservation can be derived from some of the main areas of evo-devo research, namely phenotypic plasticity, modularity and integration, and mechanistic investigations of the precise developmental and genetic processes that determine phenotypes. Using examples we outline how evo-devo can expand into conservation biology, an opportunity which holds great promise for advancing both fields.

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.002
  • Causes and Consequences of Behavioral Interference between Species
    • Authors: Gregory F. Grether; Kathryn S. Peiman; Joseph A. Tobias; Beren W. Robinson
      Abstract: Publication date: Available online 7 August 2017
      Source:Trends in Ecology & Evolution
      Author(s): Gregory F. Grether, Kathryn S. Peiman, Joseph A. Tobias, Beren W. Robinson
      Behavioral interference between species, such as territorial aggression, courtship, and mating, is widespread in animals. While aggressive and reproductive forms of interspecific interference have generally been studied separately, their many parallels and connections warrant a unified conceptual approach. Substantial evidence exists that aggressive and reproductive interference have pervasive effects on species coexistence, range limits, and evolutionary processes, including divergent and convergent forms of character displacement. Alien species invasions and climate change-induced range shifts result in novel interspecific interactions, heightening the importance of predicting the consequences of species interactions, and behavioral interference is a fundamental but neglected part of the equation. Here, we outline priorities for further theoretical and empirical research on the ecological and evolutionary consequences of behavioral interference.

      PubDate: 2017-09-04T21:21:38Z
      DOI: 10.1016/j.tree.2017.07.004
  • Do Performance–Safety Tradeoffs Cause Hypometric Metabolic Scaling
           in Animals'
    • Authors: Jon F. Harrison
      Abstract: Publication date: Available online 28 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Jon F. Harrison
      Hypometric scaling of aerobic metabolism in animals has been widely attributed to constraints on oxygen (O2) supply in larger animals, but recent findings demonstrate that O2 supply balances with need regardless of size. Larger animals also do not exhibit evidence of compensation for O2 supply limitation. Because declining metabolic rates (MRs) are tightly linked to fitness, this provides significant evidence against the hypothesis that constraints on supply drive hypometric scaling. As an alternative, ATP demand might decline in larger animals because of performance–safety tradeoffs. Larger animals, which typically reproduce later, exhibit risk-reducing strategies that lower MR. Conversely, smaller animals are more strongly selected for growth and costly neurolocomotory performance, elevating metabolism.

      PubDate: 2017-08-06T21:42:45Z
      DOI: 10.1016/j.tree.2017.05.008
  • Individual Confidence-Weighting and Group Decision-Making
    • Authors: James A.R. Marshall; Gavin Brown; Andrew N. Radford
      Abstract: Publication date: Available online 21 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): James A.R. Marshall, Gavin Brown, Andrew N. Radford
      Group-living species frequently pool individual information so as to reach consensus decisions such as when and where to move, or whether a predator is present. Such opinion-pooling has been demonstrated empirically, and theoretical models have been proposed to explain why group decisions are more reliable than individual decisions. Behavioural ecology theory frequently assumes that all individuals have equal decision-making abilities, but decision theory relaxes this assumption and has been tested in human groups. We summarise relevant theory and argue for its applicability to collective animal decisions. We consider selective pressure on confidence-weighting in groups of related and unrelated individuals. We also consider which species and behaviours may provide evidence of confidence-weighting, paying particular attention to the sophisticated vocal communication of cooperative breeders.

      PubDate: 2017-07-26T10:08:55Z
      DOI: 10.1016/j.tree.2017.06.004
  • Infectious Agents Trigger Trophic Cascades
    • Authors: Julia C. Buck; William J. Ripple
      Abstract: Publication date: Available online 20 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Julia C. Buck, William J. Ripple
      Most demonstrated trophic cascades originate with predators, but infectious agents can also cause top-down indirect effects in ecosystems. Here we synthesize the literature on trophic cascades initiated by infectious agents including parasitoids, pathogens, parasitic castrators, macroparasites, and trophically transmitted parasites. Like predators, infectious agents can cause density-mediated and trait-mediated indirect effects through their direct consumptive and nonconsumptive effects respectively. Unlike most predators, however, infectious agents are not fully and immediately lethal to their victims, so their consumptive effects can also trigger trait-mediated indirect effects. We find that the frequency of trophic cascades reported for different consumer types scales with consumer lethality. Furthermore, we emphasize the value of uniting predator–prey and parasite–host theory under a general consumer–resource framework.

      PubDate: 2017-07-26T10:08:55Z
      DOI: 10.1016/j.tree.2017.06.009
  • Editorial Board and Contents
    • Abstract: Publication date: August 2017
      Source:Trends in Ecology & Evolution, Volume 32, Issue 8

      PubDate: 2017-07-20T10:04:31Z
  • Unifying Research on Social–Ecological Resilience and Collapse
    • Authors: Graeme S. Cumming; Garry D. Peterson
      Abstract: Publication date: Available online 19 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Graeme S. Cumming, Garry D. Peterson
      Ecosystems influence human societies, leading people to manage ecosystems for human benefit. Poor environmental management can lead to reduced ecological resilience and social–ecological collapse. We review research on resilience and collapse across different systems and propose a unifying social–ecological framework based on (i) a clear definition of system identity; (ii) the use of quantitative thresholds to define collapse; (iii) relating collapse processes to system structure; and (iv) explicit comparison of alternative hypotheses and models of collapse. Analysis of 17 representative cases identified 14 mechanisms, in five classes, that explain social–ecological collapse. System structure influences the kind of collapse a system may experience. Mechanistic theories of collapse that unite structure and process can make fundamental contributions to solving global environmental problems.

      PubDate: 2017-07-20T10:04:31Z
      DOI: 10.1016/j.tree.2017.06.014
  • Searching for Win–Win Archetypes in the Food–Biodiversity Challenge: A
           Response to Fischer et al.
    • Authors: Ralf Seppelt; Michael Beckmann; Tomáš Václavík
      Abstract: Publication date: Available online 18 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Ralf Seppelt, Michael Beckmann, Tomáš Václavík

      PubDate: 2017-07-20T10:04:31Z
      DOI: 10.1016/j.tree.2017.06.015
  • We Need Qualitative Progress to Address the Food–Biodiversity Nexus:
           A Reply to Seppelt et al.
    • Authors: Joern Fischer; David J. Abson; Arvid Bergsten; Neil French Collier; Ine Dorresteijn; Jan Hanspach; Kristoffer Hylander; Jannik Schultner; Feyera Senbeta
      Abstract: Publication date: Available online 18 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Joern Fischer, David J. Abson, Arvid Bergsten, Neil French Collier, Ine Dorresteijn, Jan Hanspach, Kristoffer Hylander, Jannik Schultner, Feyera Senbeta

      PubDate: 2017-07-20T10:04:31Z
      DOI: 10.1016/j.tree.2017.06.016
  • The Secret of our Success: How Culture is Driving Human Evolution,
           Domesticating our Species, and Making us Smarter by Joseph Henrich,
           Princeton University Press, 2017. US$29.95, £24.95 (hbk), 464 pp. ISBN
    • Authors: Kevin Laland; Luke Rendell
      Abstract: Publication date: Available online 17 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Kevin N. Laland, Luke Rendell

      PubDate: 2017-07-20T10:04:31Z
  • Identifying Areas of Need in Tropical Research: A Reply to Stroud and
    • Authors: David A. Clarke; Paul H. York; Michael A. Rasheed; Tobin D. Northfield
      Abstract: Publication date: Available online 12 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): David A. Clarke, Paul H. York, Michael A. Rasheed, Tobin D. Northfield

      PubDate: 2017-07-20T10:04:31Z
      DOI: 10.1016/j.tree.2017.06.007
  • The Multifaceted Nature of Vulnerability in Managed Bees: A Response to
           Klein et al.
    • Authors: Ryan J. Leonard; Dieter F. Hochuli
      Abstract: Publication date: Available online 12 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Ryan J. Leonard, Dieter F. Hochuli

      PubDate: 2017-07-20T10:04:31Z
      DOI: 10.1016/j.tree.2017.06.008
  • ‘New Wilderness’ Requires Algorithmic Transparency: A Response
           to Cantrell et al.
    • Authors: Victor Galaz; Abdul M. Mouazen
      Abstract: Publication date: Available online 11 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Victor Galaz, Abdul M. Mouazen

      PubDate: 2017-07-20T10:04:31Z
      DOI: 10.1016/j.tree.2017.06.013
  • Transparency and Control of Autonomous Wildness: A Reply to Galaz and
    • Authors: Erle C. Ellis; Bradley Cantrell; Laura J. Martin
      Abstract: Publication date: Available online 8 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): Erle C. Ellis, Bradley Cantrell, Laura J. Martin

      PubDate: 2017-07-20T10:04:31Z
      DOI: 10.1016/j.tree.2017.06.012
  • Neglect of the Tropics Is Widespread in Ecology and Evolution: A Comment
           on Clarke et al.
    • Authors: James T. Stroud; Kenneth J. Feeley
      Abstract: Publication date: Available online 7 July 2017
      Source:Trends in Ecology & Evolution
      Author(s): James T. Stroud, Kenneth J. Feeley

      PubDate: 2017-07-20T10:04:31Z
      DOI: 10.1016/j.tree.2017.06.006
  • Social–Ecological Network Approaches in Interdisciplinary Research: A
           Response to Bohan et al. and Dee et al.
    • Authors: Örjan Bodin; Michele L. Barnes; Ryan R.J. McAllister; Juan Carlos Rocha; Angela M. Guerrero
      Abstract: Publication date: Available online 27 June 2017
      Source:Trends in Ecology & Evolution
      Author(s): Örjan Bodin, Michele L. Barnes, Ryan R.J. McAllister, Juan Carlos Rocha, Angela M. Guerrero

      PubDate: 2017-07-07T07:53:10Z
      DOI: 10.1016/j.tree.2017.06.003
  • Do Social–Ecological Syndromes Predict Outcomes for Ecosystem
           Services' – a Reply to Bodin et al.
    • Authors: Laura E. Dee; Ross Thompson; François Massol; Angela Guerrero; David A. Bohan
      Abstract: Publication date: Available online 23 June 2017
      Source:Trends in Ecology & Evolution
      Author(s): Laura E. Dee, Ross Thompson, François Massol, Angela Guerrero, David A. Bohan

      PubDate: 2017-07-07T07:53:10Z
      DOI: 10.1016/j.tree.2017.06.001
  • Sexual Conflict, Facultative Asexuality, and the True Paradox of Sex
    • Authors: Nathan W. Burke; Russell Bonduriansky
      Abstract: Publication date: Available online 23 June 2017
      Source:Trends in Ecology & Evolution
      Author(s): Nathan W. Burke, Russell Bonduriansky
      Theory suggests that occasional or conditional sex involving facultative switching between sexual and asexual reproduction is the optimal reproductive strategy. Therefore, the true ‘paradox of sex’ is the prevalence of obligate sex. This points to the existence of powerful, general impediments to the invasion of obligately sexual populations by facultative mutants, and recent studies raise the intriguing possibility that a key impediment could be sexual conflict. Using Bateman gradients we show that facultative asexuality can amplify sexual conflict over mating, generating strong selection for both female resistance and male coercion. We hypothesize that invasions are most likely to succeed when mutants have negative Bateman gradients, can avoid mating, and achieve high fecundity through asexual reproduction – a combination unlikely to occur in natural populations.

      PubDate: 2017-06-23T16:22:43Z
      DOI: 10.1016/j.tree.2017.06.002
  • Biodiversity Models: What If Unsaturation Is the Rule?
    • Authors: Rubén G. Mateo; Karel Mokany; Antoine Guisan
      Abstract: Publication date: Available online 10 June 2017
      Source:Trends in Ecology & Evolution
      Author(s): Rubén G. Mateo, Karel Mokany, Antoine Guisan
      Improving biodiversity predictions is essential if we are to meet the challenges posed by global change. As knowledge is key to feed models, we need to evaluate how debated theory can affect models. An important ongoing debate is whether environmental constraints limit the number of species that can coexist in a community (saturation), with recent findings suggesting that species richness in many communities might be unsaturated. Here, we propose that biodiversity models could address this issue by accounting for a duality: considering communities as unsaturated but where species composition is constrained by different scale-dependent biodiversity drivers. We identify a variety of promising advances for incorporating this duality into commonly applied biodiversity modelling approaches and improving their spatial predictions.

      PubDate: 2017-06-14T01:43:29Z
      DOI: 10.1016/j.tree.2017.05.003
  • Reshaping Darwin’s Tree: Impact of the Symbiome
    • Authors: Erin A. Tripp; Ning Zhang; Harald Schneider; Ying Huang; Gregory M. Mueller; Zhihong Hu; Max Häggblom; Debashish Bhattacharya
      Abstract: Publication date: Available online 9 June 2017
      Source:Trends in Ecology & Evolution
      Author(s): Erin A. Tripp, Ning Zhang, Harald Schneider, Ying Huang, Gregory M. Mueller, Zhihong Hu, Max Häggblom, Debashish Bhattacharya
      Much of the undescribed biodiversity on Earth is microbial, often in mutualistic or pathogenic associations. Physically associated and coevolving life forms comprise a symbiome. We propose that systematics research can accelerate progress in science by introducing a new framework for phylogenetic analysis of symbiomes, here termed SYMPHY (symbiome phylogenetics).

      PubDate: 2017-06-14T01:43:29Z
      DOI: 10.1016/j.tree.2017.05.002
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