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Eustress in Space: Opportunities for Plant Stressors Beyond the Earth Ecosystem

Hessel, Volker; Liang, Shu; Tran, Nam Nghiep; Escribà-Gelonch, Marc; Zeckovic, Olivia; Knowling, Matthew; Rebrov, Evgeny; This, Herve; Westra, Seth; Fisk, Ian; Gilliham, Matthew; Burgess, Alexandra

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Authors

Volker Hessel

Shu Liang

Nam Nghiep Tran

Marc Escribà-Gelonch

Olivia Zeckovic

Matthew Knowling

Evgeny Rebrov

Herve This

Seth Westra

Matthew Gilliham

Profile image of ALEXANDRA GIBBS

ALEXANDRA GIBBS Alexandra.Gibbs1@nottingham.ac.uk
Assistant Professor in Agriculture and The Environment



Abstract

Human space exploration cannot occur without reliable provision of nutritious and palatable food to sustain physical and mental well-being. This ultimately will depend upon efficient production of food in space, with on-site manufacturing on space stations or the future human colonies on celestial bodies. Extraterrestrial environments are by their nature foreign, and exposure to various kinds of plant stressors likely cannot be avoided. But this also offers opportunities to rethink food production as a whole. We are used to the boundaries of the Earth ecosystem such as its standard temperature range, oxygen and carbon dioxide concentrations, plus diel cycles of light, and we are unfamiliar with liberating ourselves from those boundaries. However, space research, performed both in true outer space and with mimicked space conditions on Earth, can help explore plant growth from its ‘first principles’. In this sense, this perspective paper aims to highlight fundamental opportunities for plant growth in space, with a new perspective on the subject. Conditions in space are evidently demanding for plant growth, and this produces “stress”. Yet, this stress can be seen as positive or negative. With the positive view, we discuss whether plant production systems could proactively leverage stresses instead of always combatting against them. With an engineering view, we focus, in particular, on the opportunities associated with radiation exposure (visible light, UV, gamma, cosmic). Rather than adapting Earth conditions into space, we advocate on rethinking the whole issue; we propose there are opportunities to exploit space conditions, commonly seen as threats, to benefit space farming.

Citation

Hessel, V., Liang, S., Tran, N. N., Escribà-Gelonch, M., Zeckovic, O., Knowling, M., …Burgess, A. (2022). Eustress in Space: Opportunities for Plant Stressors Beyond the Earth Ecosystem. Frontiers in Astronomy and Space Sciences, 9, Article 841211. https://doi.org/10.3389/fspas.2022.841211

Journal Article Type Article
Acceptance Date Feb 16, 2022
Online Publication Date Mar 8, 2022
Publication Date Mar 8, 2022
Deposit Date Mar 8, 2022
Publicly Available Date Mar 11, 2022
Journal Frontiers in Astronomy and Space Sciences
Electronic ISSN 2296-987X
Publisher Frontiers Media
Peer Reviewed Peer Reviewed
Volume 9
Article Number 841211
DOI https://doi.org/10.3389/fspas.2022.841211
Keywords Astronomy and Astrophysics
Public URL https://nottingham-repository.worktribe.com/output/7501035
Publisher URL https://www.frontiersin.org/articles/10.3389/fspas.2022.841211/full

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