30 Works

Data from: Marked host specificity and lack of phylogeographic population structure of Campylobacter jejuni in wild birds

Petra Griekspoor, Frances M. Colles, Noel D. McCarthy, Philip M. Hansbro, Chris Ashhurst-Smith, Björn Olsen, Dennis Hasselquist, Martin C. J. Maiden & Jonas Waldenström
Zoonotic pathogens often infect several animal species, and gene flow among populations infecting different host species may affect the biological traits of the pathogen including host specificity, transmissibility and virulence. The bacterium Campylobacter jejuni is a widespread zoonotic multihost pathogen, which frequently causes gastroenteritis in humans. Poultry products are important transmission vehicles to humans, but the bacterium is common in other domestic and wild animals, particularly birds, which are a potential infection source. Population genetic...

Data from: Size variability effects on visual detection are influenced by colour pattern and perceived size

Einat Karpestam, Sami Merilaita & Anders Forsman
Most animals including humans use vision to detect, identify, evaluate and respond to potential prey items in complex environments. Theories predict that predators’ visual search performance is better when targets are similar than when targets are dissimilar and require divided attention, and this may contribute to colour pattern polymorphism in prey. Most prey also vary in size, but how size variation influences detectability and search performance of predators that utilize polymorphic prey has received little...

Data from: Predator-prey role reversal may impair the recovery of declining pike populations

Jonas Nilsson, Henrik Flink & Petter Tibblin
Many fish populations have experienced declines in recent decades due to anthropogenic disturbances, such as overfishing and habitat exploitation. Despite management actions many populations show a limited capacity to recover. This may be attributed to reversal of predatory‐prey roles, yet empirical evidence to that effect remains scarce. Here we combine field and laboratory studies to investigate the interaction between pike (Esox lucius), a large keystone top predatory fish, and the small‐bodied mesopredatory threespine stickleback (Gasterosteus...

Determining massage dose-response to improve cancer-related symptom cluster of pain, fatigue, and sleep disturbance: A 7-arm randomized trial in palliative cancer care

Mojtaba Miladinia, Mina Jahangiri, Ann Blair Kennedy, Cecilia Fagerström, Hanna Tuvesson, Shadi Sadat Safavi, Mahmood Maniati, Fatemeh Javaherforooshzadeh & Hossein Karimpourian
Background:The efficacy of various massage doses in palliative cancer care settings is still debated, and no specific protocol is available.Aim:Evaluating response to various massage doses for symptom cluster of pain-fatigue-sleep.Design:A 7-arm randomized-controlled trial with weekly massage for 4 weeks depending on the prescribed dose (15-, 30-, or 60-min; 2× or 3×/week) and a 4-week follow-up. The intensities of pain, fatigue, and sleep disturbance were measured using a 0–10 scale at nine-timepoint; baseline, weekly during the...

The awareness, visibility and support for young carers across Europe: a Delphi study

Henk Herman Nap, Renske Hoefman, Nynke De Jong, Lieke Lovink, Ludo Glimmerveen, Feylyn Lewis, Sara Santini, Barbara D’Amen, Marco Socci, Licia Boccaletti, Giulia Casu, Alessandra Manattini, Rosita Brolin, Karina Sirk, Valentina Hlebec, Tatjana Rakar, Tjasa Hudobivnik, Agnes Leu, Fabian Berger, Lennart Magnusson & Elizabeth Hanson
Across Europe, young carers (YCs) and their need for support receive limited attention in the media, policy and empirical research, even though, similar to adult carers, they also provide care to ill family members. The Delphi study, a qualitative research methodology, which provides the focus for this article, had the overall aim of exploring existing successful strategies to support YCs. Compared to YCs, even less is known about adolescent young carers (AYCs), a group that...

Data From: Breeders are less active foragers than non-breeders in wild Damaraland mole-rats

Yannick Francioli, Jack Thorley, Kyle Finn, Tim Clutton-Brock & Markus Zöttl
Eusocial insect societies are characterised by a clear division of labour between non-breeding workers and breeding queens and queens often do not contribute to foraging, defence and other maintenance tasks. It has been suggested that the structure and organisation of social mole-rat groups resembles that of eusocial insect societies. However, the division of labour has rarely been investigated in wild mole-rats and it is unknown whether breeders show decreased foraging activity compared to non-breeding helpers...

Opposite latitudinal patterns for bird and arthropod predation revealed in the experiments with differently colored artificial prey

Elena Zvereva, Bastien Castagneyrol, Tatiana Cornelissen, Anders Forsman, Juan Antonio Hernández-Agüero, Tero Klemola, Lucas Paolucci, Vicente Polo, Norma Salinas, K. Jurie Theron, Guorui Xu, Vitali Zverev & Mikhail Kozlov
The strength of biotic interactions is generally thought to increase towards the equator, but support for this hypothesis is contradictory. We explored whether predator attacks on artificial prey of eight different colours vary among climates and whether this variation affects the detection of latitudinal patterns in predation. The data set provides number of damage marks on each of 1320 plasticine caterpillars of eight different colours, which were attached to branches of woody plants and exposed...

Data from: Comparing the performance of microsatellites and RADseq in population genetic studies: analysis of data for pike (Esox lucius) and a synthesis of previous studies

Johanna Sunde, Yeserin Yildirim, Petter Tibblin & Anders Forsman
Population genetic studies reveal biodiversity patterns and inform about drivers of evolutionary differentiation and adaptation, including gene flow, drift and selection. This can advance our understanding and aid decision making regarding management and conservation efforts. Microsatellites have long been used in population genetic studies.Thanks to the development of newer techniques, sequencing approaches such as restriction site associated DNA sequencing (RADseq) are on their way to replace microsatellites for some applications. However, the performance of these...

Exceptional longevity in northern peripheral populations of Wels catfish (Silurus glanis)

Kristofer Bergström, Oscar Nordahl, Peter Söderling, Per Koch-Schmidt, Tobias Borger, Petter Tibblin & Per Larsson
Studies of life-history variation across a species range are crucial for ecological understanding and successful conservation. Here, we examined the growth and age of Wels catfish (Silurus glanis) in Sweden, which represent the northernmost populations in Europe. A total of 1183 individuals were captured, marked and released between 2006 and 2020. Mark-recapture data from 162 individuals (size range: 13–195 cm) were used to estimate von Bertalanffy growth curve parameters which revealed very slow growth rates...

Data from: Genetic consequences of breaking migratory traditions in barnacle geese Branta leucopsis

Rudy M. Jonker, Robert H. S. Kraus, Qiong Zhang, Pim Van Hooft, Kjell Larsson, Henk P. Van Der Jeugd, Ralf H. J. M. Kurvers, Sip E. Van Wieren, Maarten J. J. M. Loonen, Richard P. M. A. Crooijmans, Ronald C. Ydenberg, Martien A. M. Groenen, Herbert H. T. Prins & M. J. J. E. Loonen
Cultural transmission of migratory traditions enables species to deal with their environment based on experiences from earlier generations. Also, it allows a more adequate and rapid response to rapidly changing environments. When individuals break with their migratory traditions, new population structures can emerge that may affect gene flow. Recently, the migratory traditions of the Barnacle Goose Branta leucopsis changed, and new populations differing in migratory distance emerged. Here, we investigate the population genetic structure of...

Data from: Testing for local adaptation to spawning habitat in sympatric subpopulations of pike by reciprocal translocation of embryos

Hanna Berggren, Oscar Nordahl, Petter Tibblin, Per Larsson & Anders Forsman
We tested for local adaption in early life-history traits by performing a reciprocal translocation experiment with approximately 2,500 embryos of pike (Esox lucius) divided in paired split-family batches. The experiment indicated local adaptation in one of the two subpopulations manifested as enhanced hatching success of eggs in the native habitat, both when compared to siblings transferred to a non-native habitat, and when compared to immigrant genotypes from the other subpopulation. Gene-by-environment effects on viability of...

Extreme weather affects colonization-extinction dynamics and the persistence of a threatened butterfly

Victor Johansson, Oskar Kindvall, John Askling & Markus Franzen
1. Extreme weather events can be expected to increase in frequency in the future. Our knowledge on how this may affect species persistence is, however, very limited. For reliable projections of future persistence we need to understand how extreme weather affects species’ population dynamics. 2. We analysed the effect of extreme droughts on the host plant (Succisa pratensis), colonization-extinction dynamics, and future persistence of the threatened marsh fritillary (Euphydryas aurinia). Specifically, we studied a metapopulation...

Data from: Sex-specific effects of outbreeding on offspring quality in pike (Esox lucius)

Johanna Sunde, Petter Tibblin, Per Larsson & Anders Forsman
Intraspecific genetic admixture occurs when previously separated populations within a species start interbreeding, and it can have either positive, negative or netural effects on reproductive performance. There is currently little knowledge regarding what determines the outcome of admixture. We tested for effects of admixture on offspring quality in three subpopulations of pike (Esox lucius). Gametes were collected in the field, and eggs from each female were experimentally fertilized with milt from a male from each...

Postnatal growth rate varies with latitude in range-expanding geese – the role of plasticity and day length

Michiel P. Boom, Henk P. Van Der Jeugd, Boas Steffani, Bart A. Nolet, Kjell Larsson & Götz Eichhorn
This dataset contains data from an analysis of differences in growth rate among three different barnacle populations breeding at different latitudes, described in the paper: Boom, Michiel P., van der Jeugd, H.P., Steffani, B., Nolet, B.A., Larsson, K., & Eichhorn, G. (2021), Postnatal growth rate varies with latitude in range-expanding geese – the role of plasticity and day length. Journal of Animal Ecology. The postnatal growth period is a crucial life stage, with potential lifelong...

Determining massage dose-response to improve cancer-related symptom cluster of pain, fatigue, and sleep disturbance: A 7-arm randomized trial in palliative cancer care

Mojtaba Miladinia, Mina Jahangiri, Ann Blair Kennedy, Cecilia Fagerström, Hanna Tuvesson, Shadi Sadat Safavi, Mahmood Maniati, Fatemeh Javaherforooshzadeh & Hossein Karimpourian
Background:The efficacy of various massage doses in palliative cancer care settings is still debated, and no specific protocol is available.Aim:Evaluating response to various massage doses for symptom cluster of pain-fatigue-sleep.Design:A 7-arm randomized-controlled trial with weekly massage for 4 weeks depending on the prescribed dose (15-, 30-, or 60-min; 2× or 3×/week) and a 4-week follow-up. The intensities of pain, fatigue, and sleep disturbance were measured using a 0–10 scale at nine-timepoint; baseline, weekly during the...

Data from: Is colour polymorphism advantageous to populations and species?

Anders Forsman
I am writing in response to an article by Bolton, Rollins and Griffith (2015) entitled ‘The danger within: the role of genetic, behavioural and ecological factors in population persistence of colour polymorphic species’ that was recently published as an Opinion under the NEWS AND VIEWS section in Molecular Ecology. Bolton et al. (2015) argue that colour polymorphism may reduce population fitness and increase extinction risk, and emphasize that this is contrary to predictions put forward...

Data on expert assessments of colour pattern variation in Erebidae and Noctuidae moths in Sweden

Anders Forsman, Per-Eric Betzholtz & Markus Franzén
Besides variation among animal species in ground colour and in the number, size, shape, and distribution of pattern elements, there is also considerable intraspecific variation in colour patterns that can manifest both between populations inhabiting different environments, and among individuals within populations. In previous investigations into the consequences of inter-individual variation in colour patterns in moths we have relied on a discrete classification with three categories: non-variable; variable; or highly variable colour patterns, as jointly...

Data from: Intra-population variation in reproductive timing co-varies with thermal plasticity of offspring performance in perch (Perca fluviatilis)

Marcus Hall, Oscar Nordahl, Per Larsson, Anders Forsman & Petter Tibblin
Life-history theory posits that organisms should time their reproduction to coincide with environmental conditions that maximize their fitness. Population-level comparisons have contributed important insights on the adaptive value of reproductive timing and its association to environmental variation. Yet, despite its central role to ecology and evolution, the causes and consequences of variation in reproductive timing among individuals within populations are poorly understood in vertebrates other than birds. Using a combination of observational field studies and...

Data from: Drivers of neutral and adaptive differentiation in pike (Esox lucius) populations from contrasting environments

Johanna Sunde, Yeşerin Yıldırım, Petter Tibblin, Dorte Bekkevold, Christian Skov, Oscar Nordahl, Per Larsson & Anders Forsman
Understanding how eco-evolutionary processes and environmental factors drive population differentiation and adaptation are key challenges in evolutionary biology of relevance for biodiversity protection. Differentiation requires at least partial reproductive separation, which may result from different modes of isolation such as geographic isolation (allopatry) or isolation by distance (IBD), resistance (IBR), and environment (IBE). Despite that multiple modes might jointly influence differentiation, studies that compare the relative contributions are scarce. Using RADseq, we analyse neutral and...

Size, connectivity and edge effects of stream habitats explain spatiotemporal variation in brown trout (Salmo trutta) density

Carl Tamario, Erik Degerman, Daniela Polic, Petter Tibblin & Anders Forsman
Ecological theory postulates that size and isolation of habitat patches impact the colonization/extinction dynamics that determine community species richness and population persistence. Given the key role of lotic habitats for life history completion in rheophilic fish, evaluating how the distribution of swift-flowing habitats affects the abundance and dynamics of subpopulations is essential. Using extensive electrofishing data, we show that merging island biogeography with meta-population theory, where lotic habitats are considered as islands in a lentic...

sj-pdf-1-pmj-10.1177_02692163221129158 – Supplemental material for Determining massage dose-response to improve cancer-related symptom cluster of pain, fatigue, and sleep disturbance: A 7-arm randomized trial in palliative cancer care

Mojtaba Miladinia, Mina Jahangiri, Ann Blair Kennedy, Cecilia Fagerström, Hanna Tuvesson, Shadi Sadat Safavi, Mahmood Maniati, Fatemeh Javaherforooshzadeh & Hossein Karimpourian
Supplemental material, sj-pdf-1-pmj-10.1177_02692163221129158 for Determining massage dose-response to improve cancer-related symptom cluster of pain, fatigue, and sleep disturbance: A 7-arm randomized trial in palliative cancer care by Mojtaba Miladinia, Mina Jahangiri, Ann Blair Kennedy, Cecilia Fagerström, Hanna Tuvesson, Shadi Sadat Safavi, Mahmood Maniati, Fatemeh Javaherforooshzadeh and Hossein Karimpourian in Palliative Medicine

Data from: All roads lead to home: panmixia of European eel in the Sargasso Sea

Thomas D Als, Michael M Hansen, Gregory E Maes, Martin Castonguay, Lasse Riemann, Kim Aarestrup, Peter Munk, Henrik Sparholt, Reinhold Hanel & Louis Bernatchez
European eels (Anguilla anguilla) spawn in the remote Sargasso Sea in partial sympatry with American eels (Anguilla rostrata), and juveniles are transported more than 5,000 kilometres back to the European and North African coasts. The two species have been regarded as classic textbook examples of panmixia, each comprising a single, randomly mating population. However, several recent studies based on continental samples have found subtle, but significant, genetic differentiation, interpreted as geographical or temporal heterogeneity between...

Data from: Causes and consequences of repeatability, flexibility and individual fine-tuning of migratory timing in pike

Petter Tibblin, Anders Forsman, Tobias Borger & Per Larsson
1. Many organisms undertake migrations between foraging and breeding habitats and while it is assumed that reproductive timing affects fitness, little is known about the degree of individual consistency, and about the causes and consequences of individual variation in migratory timing in organisms other than birds. 2. Here, we report on a 6-year mark–recapture study, including 2048 individuals, of breeding migration in anadromous pike (Esox lucius), an iteroparous top-predatory fish that displays homing behaviour. By...

Data from: Patterns of size variation in bees at a continental scale: does Bergmann’s rule apply?

Maxence Gérard, Maryse Vanderplanck, Markus Franzen, Michael Kuhlmann, Simon G. Potts, Pierre Rasmont, Oliver Schweiger & Denis Michez
Body size latitudinal clines have been widley explained by the Bergmann’s rule in homeothermic vertebrates. However, there is no general consensus in poikilotherms organisms in particular in insects that represent the large majority of wildlife. Among them, bees are a highly diverse pollinators group with high economic and ecological value. Nevertheless, no comprehensive studies of species assemblages at a phylogenetically larger scale have been carried out even if they could identify the traits and the...

Benefits of cooperation in captive Damaraland mole rats

Thomas Houslay, Philippe Vullioud, Markus Zöttl & Tim Clutton-Brock
Although the social mole rats are commonly classified as eusocial breeders on the grounds that groups include a single breeding female (the ‘queen’) and a number of non-breeding individuals (‘helpers’) of both sexes, alloparental care is not highly developed in these species and there is no direct evidence that the presence or number of non-breeders is associated with reductions in the workload of the ‘queen’. An alternative interpretation of mole rat groups is that the...

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