AUTHOR=Maasri Alain TITLE=A Global and Unified Trait Database for Aquatic Macroinvertebrates: The Missing Piece in a Global Approach JOURNAL=Frontiers in Environmental Science VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2019.00065 DOI=10.3389/fenvs.2019.00065 ISSN=2296-665X