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Climate variability and drought modulate the role of structural refuges for arthropods: a global experiment [post]

Gustavo Romero, Thiago Gonçalves-Souza, Tomas Roslin, Robert Marquis, Nicholas Marino, Vojtech Novotny, Tatiana Cornelissen, Jerome Orivel, Shen Sui, Gustavo Aires, Reuber Antoniazzi, Wesley Dattilo (+41 others)
2021 unpublished

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https://web.archive.org/web/20210224210221/https://d197for5662m48.cloudfront.net/documents/publicationstatus/57016/preprint_pdf/66c47c17e40c76ad41e49ae2b08b5686.pdf

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Current climate change is disrupting biotic interactions and eroding biodiversity worldwide. However, species sensitive to drought, high temperatures and climate variability might persist in microclimatic refuges, such as leaf shelters built by arthropods. We conducted a distributed experiment across an 11,790 km latitudinal gradient to explore how the importance of leaf shelters for terrestrial arthropods changes with latitude, elevation and underlying climate. Our analyses revealed leaf
more » ... rs to be key facilitative elements for the diversity of arthropods. Predator diversity and overall biomass within shelters increased with local drought and temperature variability, regardless of latitude and elevation. In contrast, shelter usage by herbivores increased with abundance of predators on those same plants and in wetter climates. Projected increase in climatic variability and drought in certain geographic regions is therefore likely to enhance the importance of biotic refuges, especially for predators, in mitigating the impact of climate change on species persistence.
doi:10.22541/au.161193241.11465772/v1 fatcat:dbqeptptprfgbgluvmlulbrcma
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Gustavo Romero, Thiago Gonçalves-Souza, Tomas Roslin, Robert Marquis, Nicholas Marino, Vojtech Novotny, Tatiana Cornelissen, Jerome Orivel, Shen Sui, Gustavo Aires, Reuber Antoniazzi, Wesley Dattilo, Crasso Breviglieri, Annika Busse, Heloise Gibb, Thiago Izzo, Tomas Kadlec, Victoria Kemp, Monica Kersch-Becker, Michal Knapp, Pavel Kratina, Rebecca Luke, Stefan Majnarić, Robin Maritz, Paulo Martins, Esayas Mendesil, Jaroslav Michalko, Anna Mrazova, Samuel Novais, Cássio Pereira, Mirela Perić, Jana Petermann, Servio Ribeiro, Katerina Sam, M. Kurtis Trzcinski, Camila Vieira, Natalie Westwood, Maria Bernaschini, Valentina Carvajal, Ezequiel González, Mariana Jausoro, Stanis Kaensin, Fabiola Ospina, Jacob Cristóbal-Pérez, Mauricio Quesada, Pierre Rogy, Diane Srivastava, Scarlett Szpryngiel, Ayco Tack, Tiit Teder, Martin Videla, Mari-Liis Viljur, Julia Koricheva. "Climate variability and drought modulate the role of structural refuges for arthropods: a global experiment." (2021)