Funding for this research was provided by:
Natural Environment Research Council (NE/N013530/1)
Economic and Social Research Council (ES/P000665/1)
Text and Data Mining valid from 2018-07-27
Received: 26 February 2018
Accepted: 6 July 2018
First Online: 27 July 2018
Ethics approval and consent to participate
: Ethics approval for this study was granted by the University Research Ethics Committee (UREC) at The University of Manchester, REC reference number 2017–0064-3337. The need for informed consent to participate in the study was waived by the ethics committee.
: Not applicable.
: The authors declare that they have no competing interests.
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