Olfactory misinformation provides refuge to palatable plants from mammalian browsing

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Authors

Finnerty, Patrick B.
Possell, Malcolm
Banks, Peter
Orlando, Cristian Gabriel
Price, Catherine J.
Shrader, A.M. (Adrian)
McArthur, Clare

Journal Title

Journal ISSN

Volume Title

Publisher

Nature Research

Abstract

Mammalian herbivores browse palatable plants of ecological and economical value. Undesirable neighbours can reduce browsing to these plants by providing ‘associational refuge’, but they can also compete for resources. Here we recreated the informative odour emitted by undesirable plants. We then tested whether this odour could act as virtual neighbours, providing browsing refuge to palatable eucalyptus tree seedlings. We found that protection using this method was equivalent to protection provided by real plants. Palatable seedlings were 17–20 times more likely to be eaten by herbivores without virtual, or real, neighbours. Because many herbivores use plant odour to forage, virtual neighbours could provide a useful practical management approach to help protect valued plants.

Description

DATA AVAILABILITY : The datasets generated during and/or analysed during the current study are available in the Sydney eScholarship Repository27 (https:// hdl.handle.net/2123/31657). Supplementary Data 1 provides a complete odour profile from odour headspace sampling undertaken.

Keywords

Mammalian herbivores, Plants, Economical value, Associational refuge, SDG-15: Life on land

Sustainable Development Goals

SDG-15:Life on land

Citation

Finnerty, P.B., Possell, M., Banks, P.B. et al. 2024, 'Olfactory misinformation provides refuge to palatable plants from mammalian browsing', Nature Ecology and Evolution, vol. 8, pp. 645-650. https://DOI.org/10.1038/s41559-024-02330-x.