A review of open top chamber (OTC) performance across the ITEX Network

Open top chambers (OTCs) were adopted as the recommended warmingmechanism by the International Tundra Experiment network in the early 1990s. Since then, OTCs have been deployed across the globe. Hundreds of papers have reported the impacts of OTCs on the abiotic environment and the biota. Here, we r...

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Bibliographic Details
Published in:Arctic Science
Main Authors: Hollister, Robert D., Elphinstone, Cassandra, Henry, Greg H.R., Bjorkman, Anne D., Klanderud, Kari, Björk, Robert G., Björkman, Mats P., Bokhorst, Stef, Carbognani, Michele, Cooper, Elisabeth J., Dorrepaal, Ellen, Elmendorf, Sarah C., Fetcher, Ned, Gallois, Elise C., Guoðmundsson, Jón, Healey, Nathan C., Jónsdóttir, Ingibjörg Svala, Klarenberg, Ingeborg J., Oberbauer, Steven F., Macek, Petr, May, Jeremy L., Mereghetti, Alessandro, Molau, Ulf, Petraglia, Alessandro, Rinnan, Riikka, Rixen, Christian, Wookey, Philip A.
Format: Article in Journal/Newspaper
Language:English
Published: 2023
Subjects:
Alpine
Arctic
Large-scale coordinated experiment
Tundra
Warming experiment
Climate change
Online Access:https://research.vu.nl/en/publications/17d2113d-6e24-4822-b093-5f5a8998a282
https://doi.org/10.1139/as-2022-0030
https://hdl.handle.net/1871.1/17d2113d-6e24-4822-b093-5f5a8998a282
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Summary:Open top chambers (OTCs) were adopted as the recommended warmingmechanism by the International Tundra Experiment network in the early 1990s. Since then, OTCs have been deployed across the globe. Hundreds of papers have reported the impacts of OTCs on the abiotic environment and the biota. Here, we review the impacts of the OTC on the physical environment, with comments on the appropriateness of using OTCs to characterize the response of biota to warming. The purpose of this review is to guide readers to previously published work and to provide recommendations for continued use of OTCs to understand the implications of warming on low stature ecosystems. In short, the OTC is a useful tool to experimentally manipulate temperature; however, the characteristics and magnitude of warming varies greatly in different environments; therefore, it is important to document chamber performance to maximize the interpretation of biotic response.When coupled with long-term monitoring, warming experiments are a valuable means to understand the impacts of climate change on natural ecosystems.

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