Liberati, Loïc
Messerli, Swanee
Matteodo, Magalì http://orcid.org/0000-0003-3813-5261
Vittoz, Pascal http://orcid.org/0000-0003-4218-4517
Article History
Received: 3 May 2019
Accepted: 26 July 2019
First Online: 4 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All authors designed the study, LL and SM inventoried the plots in the fields and analysed the data under the advices of MM and PV, and all authors contributed to the manuscript.
: The authors declare that they respected ethical standards.
: The investigation in the field was conducted with authorisation of the <i>Burgergemeinde Zermatt</i>.