Co-migration of hundreds of species over metres drives selection and promotes non-motile hitchhikers: supplementary information v1.1

<p dir="ltr">Supplementary information for the paper ''Co-migration of hundreds of species over metres drives selection and promotes non-motile hitchhikers" by Grigson et. al. DOI:<a href="http://dx.doi.org/10.21203/rs.3.rs-5040873/v1" rel="noopener" target="_blank">10.21203/rs.3.rs-5040873/v1</a></p>