Agnieszka Majer was awarded the dr. Jan Kulczyk scholarship for scientific record! This scholarship is dedicated to outstanding PhD students and is highly competitive. Congratulations!
Agnieszka Majer was awarded the Rector of Adam Mickiewicz University scholarship for the scientific record in 2016. Congratulations!
For information about the research conducted by Agnieszka please visit this site: Dispersal strategies
Article written by Alicja Laska, Lechosław Kuczyński and Anna Skoracka from our team in collaboration with Brian Rector from GBRR, USDA-ARS, was published in the latest issue of Experimental and Applied Acarology.
In this study, we showed that protogyne females of two Abacarus species had a larger overall body size in winter than in either spring or summer. The results are consistent with our hypothesis that mites of these species, for which deutogyny has not been observed, undergo physiological changes such as accumulation of nutritional reserves, that enable them to withstand adverse environmental conditions.
The full article available here: http://link.springer.com/article/10.1007/s10493-017-0159-1
Our article about intraspecific social information use in wood warblers was selected by the Nordic Society journal editors to be included in the special virtual issue!
Recent Ecology paper co-authored by Jakub Szymkowiak from Pop Ecol Lab on system-specific roles of weather and pollination dynamics in driving seed production in European trees is now available online!
Using a 19-year data set from three sites in Poland, the authors investigated the relationship between weather, airborn pollen, and seed production in two oak species (Quercus petraea and Q. robur) and beech (Fagus sylvatica). They found that for oaks and beech, the warm summers preceding flowering correlated with high pollen abundance and warm springs resulted in high flowering synchrony (short pollen seasons). However, in beech the best predictor of seed crops was pollen abundance, while large seed crops in oaks correlated with short pollen seasons. These findings suggest that fundamentally different proximate mechanisms may drive masting in oaks and beech.
Our recent article published in Scientific Reports is available online!
In this study, we investigated behavioral responses of two passively dispersing cereal-feeding eriophyoid mites: wheat curl mite (WCM, Aceria tosichella) and cereal rust mite (CRM, Abacarus hystrix) to potential dispersal cues. We found that wind was the most important cue influencing the mites’ behavior, what may facilitate long-distance dispersal and suggests high invasive potential. WCM significantly increased its ‘standing erect’ position when exposed to air currents. However, the proportion of potential dispersers was low, what may suggest that there are predisposed dispersers and residents in the population. WCM was generally more active than CRM which may be related to its high invasive potential.
The study was done in cooperation with the Department of Biological Sciences, University of Alberta, Canada and the Department of Applied Entomology, Warsaw University of Life Sciences.
The manuscript is part of Agnieszka Kiedrowicz’s PhD thesis. Congratulations!
The full article available here: https://www.nature.com/articles/s41598-017-04372-7
Jakub Szymkowiak was awarded the “START” scholarship by the Foundation for Polish Science! The scholarship is highly competitive and is dedicated to outstanding young researchers. Congratulations!
Our recent paper on interspecific social information use in wood warblers (Phylloscopus sibilatrix) is now available online!
In a field experiment, we found that wood warblers use social cues from earlier-arriving migrant heterospecifics when deciding where to settle. In one of earlier studies, we also showed that wood warblers use conspecific social cues for settlement decisions. Together, the results of these two experiments suggest that con- and heterospecific attraction as strategies for habitat selection may coexist within a population, which likely results because the latter strategy complements using conspecific cues in the wild.
Importantly, we found that heterospecific attraction is not a phenomenon limited to resident-migrant interactions, but may involve also an information flow from early-arriving migrants to late-arriving species. This suggests that heterospecific attraction as a habitat selection strategy may operate under broader contexts than originally suggested.
In a broader context, results of our studies on the use of con- and heterospecific social cues for settlement decisions in wood warblers suggest an interplay of attraction and avoidance mechanisms, depending on the type of a cue being used. This highlights the importance of both positive and negative effects of social environment on settlement behavior of individuals.
The paper is available here: https://doi.org/10.1093/beheco/arx029
In January, a new member has joined our team: Jarek Raubic. Welcome on board!
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