15 Works

Cross-latitude behaviours in an adult damselfly Calopteryx splendens

Maria J. Golab
The study organism was the temperate damselfly Calopteryx splendens. The behavioural expressions along 3 latitudinal regions was studied and a body size was measured. Activity (patrol flights and male chases) was the only behaviour feature positively associated with latitudinal gradient. Courtship effort was highest in the central region, whereas boldness (immobility, time to return and first move) values were highest in the north but did not differ between central and south. In the southern region,...

Data from: A comprehensive analysis of autocorrelation and bias in home range estimation

Michael J. Noonan, Marlee A. Tucker, Christen H. Fleming, Tom S. Akre, Susan C. Alberts, Abdullahi H. Ali, Jeanne Altmann, Pamela C. Antunes, Jerrold L. Belant, Dean Beyer, Niels Blaum, Katrin Böhning-Gaese, , Rogerio De Paula Cunha, Jasja Dekker, Jonathan Drescher-Lehman, Nina Farwig, Claudia Fichtel, Christina Fischer, Adam T. Ford, Jacob R. Goheen, René Janssen, Florian Jeltsch, Matthew Kauffman, Peter M. Kappeler … & Justin M. Calabrese
Home range estimation is routine practice in ecological research. While advances in animal tracking technology have increased our capacity to collect data to support home range analysis, these same advances have also resulted in increasingly autocorrelated data. Consequently, the question of which home range estimator to use on modern, highly autocorrelated tracking data remains open. This question is particularly relevant given that most estimators assume independently sampled data. Here, we provide a comprehensive evaluation of...

Data from: The genetic variance but not the genetic covariance of life-history traits changes towards the north in a time-constrained insect

Szymon Sniegula, Maria J. Golab, Szymon M. Drobniak & Frank Johansson
Seasonal time constraints are usually stronger at higher than lower latitudes and can exert strong selection on life history traits and the correlations among these traits. To predict the response of life history traits to environmental change along a latitudinal gradient, information must be obtained about genetic variance in traits and also genetic correlation between traits, i.e., the genetic variance-covariance matrix, G. Here, we estimated G for key life history traits in an obligate univoltine...

Data from: Extreme MHC class I diversity in the sedge warbler (Acrocephalus schoenobaenus); selection patterns and allelic divergence suggest that different genes have different functions

Aleksandra Biedrzycka, Emily O’Connor, Alvaro Sebastian, Magdalena Migalska, Jacek Radwan, Tadeusz Zając, Wojciech Bielański, Wojciech Solarz, Adam Ćmiel & Helena Westerdahl
Background: Recent work suggests that gene duplications may play an important role in the evolution of immunity genes. Passerine birds, and in particular Sylvioidea warblers, have highly duplicated major histocompatibility complex (MHC) genes, which are key in immunity, compared to other vertebrates. However, reasons for this high MHC gene copy number are yet unclear. High-throughput sequencing (HTS) allows MHC genotyping even in individuals with extremely duplicated genes. This HTS data can reveal evidence of selection,...

Data from: Patterns and correlates of claims for brown bear damage on a continental scale

Carlos Bautista, Javier Naves, Eloy Revilla, Néstor Fernández, Jörg Albrecht, Anne K. Scharf, Robin Rigg, Alexandros A. Karamanlidis, Klemen Jerina, Djuro Huber, Santiago Palazón, Raido Kont, Paolo Ciucci, Claudio Groff, Aleksandar Dutsov, Juan Seijas, Pierre-Ives Quenette, Agnieszka Olszańska, Maryna Shkvyria, Michal Adamec, Janis Ozolins, Marko Jonozovič & Nuria Selva
Wildlife damage to human property threatens human–wildlife coexistence. Conflicts arising from wildlife damage in intensively managed landscapes often undermine conservation efforts, making damage mitigation and compensation of special concern for wildlife conservation. However, the mechanisms underlying the occurrence of damage and claims at large scales are still poorly understood. Here, we investigated the patterns of damage caused by brown bears Ursus arctos and its ecological and socio-economic correlates at a continental scale. We compiled information...

Calopteryx splendens personality in the wild

Maria Golab, Szymon Sniegula & Tomas Brodin
We studied nine behavioural traits, in the damselfly Calopteryx splendens, from an array of three experiments: (i) courtship, (ii) aggressiveness and (iii) boldness, and calculated their repeatability. The behaviours were measured twice, in two different contexts: (i) undisturbed territory and (ii) partially deteriorated territory. Traits related to courtship and boldness were all repeatable across the two contexts. Among aggressive behaviours only one trait (number of hits) was repeatable.

Data from: Trait-associated loss of frugivores in fragmented forest does not affect seed removal rates

Nina Farwig, Dana G. Schabo & Jörg Albrecht
Seed dispersal by frugivorous animals forms the basis for regeneration of numerous plant species. Habitat fragmentation has been found to be one major factor perturbing frugivore communities and dependent plant species. Yet, community-wide consequences of fragmentation for both frugivore and plant communities are still hardly understood. Here, we studied the effects of habitat fragmentation on the seed removal by frugivorous birds and mammals from nine fleshy-fruited plant species in Białowieża Forest (Eastern Poland). This last...

Data from: Sexual signals reveal males’ oxidative stress defenses: testing the hypothesis in an invertebrate

Norma Martínez-Lendech, Maria J. Golab, Marcela Osorio-Beristain & Jorge Contreras-Garduño
1.The hypothesis that sexual traits reveal the oxidative stress resistance of their bearers has been widely tested in vertebrates but remains unexplored in invertebrates. Here, Hetaerina americana was used to test whether oxidative stress defenses are advertised by male wing spot size and color (a male sexual trait). To this end we asked (1) whether oxidative stress reduced survival, (2) whether wing spot size revealed males’ antioxidant defenses, and (3) how wing spot size and...

Data from: Seasonal time constraints reduce genetic variation in life history traits along a latitudinal gradient

Szymon Śniegula, Maria J. Golab, Szymon M. Drobniak & Frank Johansson
1. Time constraints cause strong selection on life history traits, because populations need to complete their life cycles within a shorter time. We therefore expect lower genetic variation in these traits in high- than in low-latitude populations, since the former are more time constrained. 2. The aim was to estimate life history traits and their genetic variation in an obligately univoltine damselfly along a latitudinal gradient of 2,730 km. 3. Populations were grown in the...

Data for 'Phenological shifts in a warming world affect physiology and life history in a damselfly'

Mateusz Raczyński, Robby Stoks, Frank Johansson, Kamil Bartoń & Szymon Sniegula
In this analysis we studied, in laboratory conditions, the impact of warming and hatching dates on key life history and physiological traits in a cannibalistic damselfly, Ischnura elegans. Larvae were reared in groups from hatching to emergence through one or two growth seasons, depending on the voltinism. Larvae were equally divided by hatching dates (early and late) and temperature treatment (current and warming). Early and late hatched groups were not mixed. This data set includes:survival...

Data from: Evaluation of two approaches to genotyping MHC class I in a passerine – CE-SSCP and 454 pyrosequencing

Marta Promerová, Wiesław Babik, Josef Bryja, Tomáš Albrecht, Michał Stuglik & Jacek Radwan
Genes of the highly dynamic major histocompatibility complex (MHC) are directly linked to individual fitness and are of high interest in evolutionary ecology and conservation genetics. Gene duplication and positive selection usually lead to high levels of polymorphism in the MHC region, making genotyping of MHC a challenging task. Here, we compare the performance of two methods for MHC class I genotyping in a passerine with highly duplicated MHC class I genes: capillary electrophoresis single...

Size-mediated priority effects are trait-dependent and consistent across latitudes in a damselfly

Mateusz Raczyński, Robby Stoks, Frank Johansson & Szymon Sniegula
Variation in hatching time (phenology) might cause size differences within populations resulting in size-mediated priority effects (SMPEs) shaping intraspecific interactions. These phenology-driven effects potentially can be strengthened by seasonal time constraints caused by a short growth season, and depend on latitude. Here the single and combined effects of phenology and latitude-associated time constraints on SMPEs in larvae of an aquatic insect, the damselfly Lestes sponsa, are studied. We did so by rearing larvae in groups...

Misinformation, internet honey trading, and beekeepers drive a plant invasion

Magdalena Lenda, Piotr Skórka, Karolina Kuszewska, Dawid Moroń, Michał Bełcik, Renata Baczek Kwinta, Franciszek Janowiak, David H. Duncan, Peter A. Vesk, Hugh P. Possingham & Johannes M. H. Knops
Biological invasions are a major human induced global change that is threatening global biodiversity by homogenizing the world’s fauna and flora. Species spread because humans have moved species across geographic boundaries and have changed ecological factors that structure ecosystems, such as nitrogen deposition, disturbance, etc. Many biological invasions are caused accidentally, as a byproduct of human travel and commerce driven product shipping. However, humans also have spread many species intentionally because of perceived benefits. Of...

Data from: Cannibalism and activity rate in larval damselflies increase along a latitudinal gradient as a consequence of time constraints

Szymon Sniegula, Maria J. Golab & Frank Johansson
Background: Predation is ubiquitous in nature. One form of predation is cannibalism, which is affected by many factors such as size structure and resource density. However, cannibalism may also be influenced by abiotic factors such as seasonal time constraints. Since time constraints are greater at high latitudes, cannibalism could be stronger at such latitudes, but we know next to nothing about latitudinal variation in cannibalism. In this study, we examined cannibalism and activity in larvae...

Data from: Evaluation of two approaches to genotyping MHC class I in a passerine – CE-SSCP and 454 pyrosequencing

Marta Promerová, Wiesław Babik, Josef Bryja, Tomáš Albrecht, Michał Stuglik & Jacek Radwan
Genes of the highly dynamic major histocompatibility complex (MHC) are directly linked to individual fitness and are of high interest in evolutionary ecology and conservation genetics. Gene duplication and positive selection usually lead to high levels of polymorphism in the MHC region, making genotyping of MHC a challenging task. Here, we compare the performance of two methods for MHC class I genotyping in a passerine with highly duplicated MHC class I genes: capillary electrophoresis single...

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