Author contributions
XH conducted eDNA metabarcoding, data analysis, and paper writing. SG
collected samples, analyzed morpho-taxonomy and DNA barcoding data in
the BOLD database, and contributed to manuscript writing. CA, TS, and JP
co-conceived the study. CA led the funding proposal, supervised
laboratory aspects of the work, and contributed feedback on data
analyses. TS led field-planning and the collection of geochemistry data
as well as provided critical input to data analyses. MH provided
expertise and laboratory assistance related to the DNA barcoding aspects
of the project. KM provided expertise and laboratory assistance related
to eDNA metabarcoding. KW provided expertise related to statistical
analyses. All authors provided feedback on manuscript drafts.