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15 records found
Yesterday
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Evaluating functional dispersal and its eco-epidemiological implications in a nest ectoparasite
Amalia Rataud, Marlène Dupraz, Céline Toty, Thomas Blanchon, Marion Vittecoq, Rémi Choquet, Karen D. McCoy
https://doi.org/10.5281/zenodo.2592114

Recommended by Adele Mennerat based on reviews by Shelly Lachish and 1 anonymous reviewer
Limited dispersal in a vector on territorial hosts

Parasitism requires parasites and hosts to meet and is therefore conditioned by their respective dispersal abilities. While dispersal has been studied in a number of wild vertebrates (including in relation to infection risk), we still have poor knowledge of the movements of their parasites. Yet we know that many parasites, and in particular vectors transmitting pathogens from host to host, possess the ability to move actively during at least part of their lives.
So... how far does a vector go...

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2019-03-05
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Are the more flexible great-tailed grackles also better at inhibition?
Corina Logan, Kelsey McCune, Zoe Johnson-Ulrich, Luisa Bergeron, Carolyn Rowney, Benjamin Seitz, Aaron Blaisdell, Claudia Wascher
10.17605/OSF.IO/GCA5V

Recommended by Erin Vogel based on reviews by Simon Gingins and 2 anonymous reviewers
Adapting to a changing environment: advancing our understanding of the mechanisms that lead to behavioral flexibility

Behavioral flexibility is essential for organisms to adapt to an ever-changing environment. However, the mechanisms that lead to behavioral flexibility and understanding what traits makes a species better able to adapt behavior to new environments has been understudied. Logan and colleagues have proposed to use a series of experiments, using great-tailed grackles as a study species, to test four main hypotheses. These hypotheses are centered around exploring the relationship between behavioral ...

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2019-03-01
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Parasite intensity is driven by temperature in a wild bird
Adèle Mennerat, Anne Charmantier, Sylvie Hurtrez-Boussès, Philippe Perret, Marcel M Lambrechts
10.1101/323311

Recommended by Jan Hrcek based on reviews by 2 anonymous reviewers
The global change of species interactions

What kinds of studies are most needed to understand the effects of global change on nature? Two deficiencies stand out: lack of long-term studies [1] and lack of data on species interactions [2]. The paper by Mennerat and colleagues [3] is particularly valuable because it addresses both of these shortcomings. The first one is obvious. Our understanding of the impact of climate on biota improves with longer times series of observations. Mennerat et al. [3] analysed an impressive 18-year series fr...

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2019-02-21
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Photosynthesis of Laminaria digitata during the immersion and emersion periods of spring tidal cycles during hot, sunny weather
Aline Migné, Gaspard Delebecq, Dominique Davoult, Nicolas Spilmont, Dominique Menu, Marie-Andrée Janquin and François Gévaert
https://hal.sorbonne-universite.fr/hal-01827565

Recommended by Matthew Bracken based on reviews by 2 anonymous reviewers
Evaluating physiological responses of a kelp to environmental changes at its vulnerable equatorward range limit

Understanding processes at species’ range limits is of paramount importance in an era of global change. For example, the boreal kelp Laminaria digitata, which dominates low intertidal and shallow subtidal rocky reefs in northwestern Europe, is declining in the equatorward portion of its range [1]. In this contribution, Migné and colleagues [2] focus on L. digitata near its southern range limit on the coast of France and use a variety of techniques to paint a complete picture of the physio...

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2019-02-20
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Differential immune gene expression associated with contemporary range expansion of two invasive rodents in Senegal
Nathalie Charbonnel, Maxime Galan, Caroline Tatard, Anne Loiseau, Christophe Diagne, Ambroise Dalecky, Hugues Parrinello, Stephanie Rialle, Dany Severac and Carine Brouat
https://doi.org/10.1101/442160

Recommended by Simon Blanchet based on reviews by Nadia Aubin-Horth and 1 anonymous reviewer
Are all the roads leading to Rome?

Identifying the factors which favour the establishment and spread of non-native species in novel environments is one of the keys to predict - and hence prevent or control - biological invasions. This includes biological factors (i.e. factors associated with the invasive species themselves), and one of the prevailing hypotheses is that some species traits may explain their impressive success to establish and spread in novel environments [1]. In animals, most research studies have focused on trait...

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2019-01-31
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Do the more flexible individuals rely more on causal cognition? Observation versus intervention in causal inference in great-tailed grackles
Aaron Blaisdell, Zoe Johnson-Ulrich, Luisa Bergeron, Carolyn Rowney, Benjamin Seitz, Kelsey McCune, Corina Logan
10.17605/OSF.IO/GCA5V

Recommended by Emanuel Alexis Fronhofer based on reviews by 2 anonymous reviewers
From cognition to range dynamics: advancing our understanding of macroecological patterns

Understanding the distribution of species on earth is one of the fundamental challenges in ecology and evolution. For a long time, this challenge has mainly been addressed from a correlative point of view with a focus on abiotic factors determining a species abiotic niche (classical bioenvelope models; [1]). It is only recently that researchers have realized that behaviour and especially plasticity in behaviour may play a central role in determining species ranges and their dynamics [e.g., 2-5]....

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2019-01-10
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Inferring macro-ecological patterns from local species' occurrences
Anna Tovo, Marco Formentin, Samir Suweis, Samuele Stivanello, Sandro Azaele, Amos Maritan
10.1101/387456

Recommended by Matthieu Barbier based on reviews by Kevin Cazelles and 1 anonymous reviewer
Upscaling the neighborhood: how to get species diversity, abundance and range distributions from local presence/absence data

How do you estimate the biodiversity of a whole community, or the distribution of abundances and ranges of its species, from presence/absence data in scattered samples?
It all starts with the collector's dilemma: if you double the number of samples, you will not get double the number of species, since you will find many of the same common species, and only a few new rare ones.
This non-additivity has prompted many ecologists to study the Species-Area Relationship. A common theoretical appr...

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2018-12-29
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The return of the trophic chain: fundamental vs realized interactions in a simple arthropod food web
Inmaculada Torres-Campos, Sara Magalhães, Jordi Moya-Laraño, Marta Montserrat
https://doi.org/10.1101/324178

Recommended by Francis John Burdon based on reviews by Owen Petchey and 2 anonymous reviewers
From deserts to avocado orchards - understanding realized trophic interactions in communities

The late eminent ecologist Gary Polis once stated that “most catalogued food-webs are oversimplified caricatures of actual communities” and are “grossly incomplete representations of communities in terms of both diversity and trophic connections.” Not content with that damning indictment, he went further by railing that “theorists are trying to explain phenomena that do not exist” [1]. The latter critique might have been push back for Robert May´s ground-breaking but ultimately flaw...

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2018-12-14
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Recommendations to address uncertainties in environmental risk assessment using toxicokinetics-toxicodynamics models
Virgile Baudrot and Sandrine Charles
https://doi.org/10.1101/356469

Recommended by Luis Schiesari based on reviews by Andreas Focks and 2 anonymous reviewers
Addressing uncertainty in Environmental Risk Assessment using mechanistic toxicological models coupled with Bayesian inference

Environmental Risk Assessment (ERA) is a strategic conceptual framework to characterize the nature and magnitude of risks, to humans and biodiversity, of the release of chemical contaminants in the environment. Several measures have been suggested to enhance the science and application of ERA, including the identification and acknowledgment of uncertainties that potentially influence the outcome of risk assessments, and the appropriate consideration of temporal scale and its linkage to assessmen...

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2018-10-16
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Impact of group management and transfer on individual sociality in Highland cattle (Bos Taurus)
Sebastian Sosa, Marie Pelé, Elise Debergue, Cedric Kuntz, Blandine Keller, Florian Robic, Flora Siegwalt-Baudin, Camille Richer, Amandine Ramos, Cédric Sueur
https://arxiv.org/abs/1805.11553v4

Recommended by Marie Charpentier based on reviews by Alecia CARTER and 1 anonymous reviewer
How empirical sciences may improve livestock welfare and help their management

Understanding how livestock management is a source of social stress and disturbances for cattle is an important question with potential applications for animal welfare programs and sustainable development. In their article, Sosa and colleagues [1] first propose to evaluate the effects of individual characteristics on dyadic social relationships and on the social dynamics of four groups of cattle. Using network analyses, the authors provide an interesting and complete picture of dyadic interactio...

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2018-10-10
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Detecting within-host interactions using genotype combination prevalence data
Samuel Alizon, Carmen LĂ­a Murall, Emma Saulnier, Mircea T Sofonea
https://doi.org/10.1101/256586

Recommended by Dustin Brisson based on reviews by Samuel Díaz Muñoz, Erick Gagne and 1 anonymous reviewer
Combining epidemiological models with statistical inference can detect parasite interactions

There are several important topics in the study of infectious diseases that have not been well explored due to technical difficulties. One such topic is pursued by Alizon et al. in “Modelling coinfections to detect within-host interactions from genotype combination prevalences” [1]. Both theory and several important examples have demonstrated that interactions among co-infecting strains can have outsized impacts on disease outcomes, transmission dynamics, and epidemiology. Unfortunately, emp...

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2018-10-02
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How optimal foragers should respond to habitat changes? On the consequences of habitat conversion.
Vincent Calcagno, Frederic Hamelin, Ludovic Mailleret, Frederic Grognard
https://doi.org/10.1101/273557

Recommended by Francois-Xavier Dechaume-Moncharmont based on reviews by Frederick Adler, Andrew Higginson and 1 anonymous reviewer
Optimal foraging in a changing world: old questions, new perspectives

Marginal value theorem (MVT) is an archetypal model discussed in every behavioural ecology textbook. Its popularity is largely explained but the fact that it is possible to solve it graphically (at least in its simplest form) with the minimal amount of equations, which is a sensible strategy for an introductory course in behavioural ecology [1]. Apart from this heuristic value, one may be tempted to disregard it as a naive toy model. After a burst of interest in the 70's and the 80's, the once v...

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2018-09-20
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When higher carrying capacities lead to faster propagation
Marjorie Haond, Thibaut Morel-Journel, Eric Lombaert, Elodie Vercken, Ludovic Mailleret & Lionel Roques
https://doi.org/10.1101/307322

Recommended by Matthieu Barbier based on reviews by Yuval Zelnik and 1 anonymous reviewer
When the dispersal of the many outruns the dispersal of the few

Are biological invasions driven by a few pioneers, running ahead of their conspecifics? Or are these pioneers constantly being caught up by, and folded into, the larger flux of propagules from the established populations behind them?
In ecology and beyond, these two scenarios are known as "pulled" and "pushed" fronts, and they come with different expectations. In a pushed front, invasion speed is not just a matter of how good individuals are at dispersing and settling new locations. It becom...

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2018-06-10
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A reply to “Ranging Behavior Drives Parasite Richness: A More Parsimonious Hypothesis”
Charpentier MJE, Kappeler PM
https://arxiv.org/pdf/1805.08151.pdf

Recommended by CĂ©dric Sueur based on reviews by 2 anonymous reviewers
Does elevated parasite richness in the environment affect daily path length of animals or is it the converse? An answer bringing some new elements of discussion

In 2015, Brockmeyer et al. [1] suggested that mandrills (Mandrillus sphinx) may accept additional ranging costs to avoid heavily parasitized areas. Following this paper, Bicca-Marques and Calegaro-Marques [2] questioned this interpretation and presented other hypotheses. To summarize, whilst Brockmeyer et al. [1] proposed that elevated daily path length may be a consequence of elevated parasite richness, Bicca-Marques and Calegaro-Marques [2] viewed it as a cause. In this current paper, Charpe...

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2018-06-01
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Data-based, synthesis-driven: setting the agenda for computational ecology
Timothée Poisot, Richard Labrie, Erin Larson, Anastasia Rahlin
https://www.biorxiv.org/content/biorxiv/early/2018/07/09/150128.full.pdf

Recommended by Phillip P.A. Staniczenko based on reviews by Matthieu Barbier and 1 anonymous reviewer
Some thoughts on computational ecology from people who I’m sure use different passwords for each of their accounts

Are you an ecologist who uses a computer or know someone that does? Even if your research doesn’t rely heavily on advanced computational techniques, it likely hasn’t escaped your attention that computers are increasingly being used to analyse field data and make predictions about the consequences of environmental change. So before artificial intelligence and robots take over from scientists, now is great time to read about how experts think computers could make your life easier and lead to...

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