53 Works

Data from: Divergence of Arctic shrub growth associated with sea ice decline

Agata Buchwal, Patrick F. Sullivan, Marc Macias-Fauria, Eric Post, Isla H. Myers-Smith, Julienne C. Stroeve, Daan Blok, Ken D. Tape, Bruce C. Forbes, Pascale Ropars, Esther Lévesque, Bo Elberling, Sandra Angers-Blondin, Joseph S. Boyle, Stéphane Boudreau, Noémie Boulanger-Lapointe, Cassandra Gamm, Martin Hallinger, Grzegorz Rachlewicz, Amanda Young, Pentti Zetterberg & Jeffrey M. Welker
Arctic sea ice extent (SIE) is declining at an accelerating rate with a wide range of ecological consequences. However, determining sea ice effects on tundra vegetation remains a challenge. In this study, we examined the universality or lack thereof in tundra shrub growth responses to changes in SIE and summer climate across the Pan-Arctic, taking advantage of 23 tundra shrub-ring chronologies from 19 widely distributed sites (56⁰-83⁰N).

Predictability of temporal variation in climate and the evolution of seasonal polyphenism in tropical butterflies

Sridhar Halali, Dheeraj Halali, Henry S. Barlow, Freerk Molleman, Ullasa Kodandaramaiah, Paul M. Brakefield & Oskar Brattström
Phenotypic plasticity in heterogeneous environments can provide tight environment-phenotype matching. However, the pre-requisite is a reliable environmental cue(s) that enables organisms to use current environmental information to induce the development of a phenotype with high fitness in a forthcoming environment. Here we quantify predictability in the timing of precipitation and temperature change to examine how this is associated with seasonal polyphenism in tropical Mycalesina butterflies. Seasonal precipitation in the tropics typically results in distinct selective...

Data from: Shoaling guppies evade predation but have deadlier parasites

Jason Walsman, Mary Janecka, David Clark, Rachael Kramp, Faith Rovenolt, Regina Patrick, Ryan Mohammed, Mateusz Konczal, Clayton Cressler & Jessica Stephenson
We collected data on coinfection rates, infection prevalence, and infection intensity for Gyrodactylus spp. on wild Trinidadian guppies (Poecilia reticulata). We also collected data on the shoaling preference of wild-caught guppy hosts. Further, we collected data on transmission rates, infection intensity, and infected host mortality rates of lines of these parasites on guppies in the laboratory. We fouind that wild guppy populations with stronger shoaling preferences had higher infection prevalence and coinfection rates. Further, we...

Registration Year

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Resource Types

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Affiliations

  • Adam Mickiewicz University in Poznań
    49
  • Polish Academy of Sciences
    5
  • Jagiellonian University
    4
  • University of Tartu
    4
  • University of Eastern Finland
    3
  • UK Centre for Ecology & Hydrology
    3
  • The Arctic University of Norway
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  • Lund University
    3
  • Indian Institute of Science Education and Research, Thiruvananthapuram
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  • Charles University
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