This file contains all of the data used in generating the figures, tables and conclusions for this paper.

The contents are presented in seven spreadsheets identified as ‘Projects’, ‘Bibliography’, ‘Journals’, ‘Citations’, ‘eBird’, ‘GLOBE’, ‘Christmas’. The Projects tab contains a complete listing of the surveyed projects along with tabulated information about the estimated number of participants and the break down of the kinds of published documents. Bibliography lists the inventoried research papers for each project. Journals is a listing of the peer-reviewed journals in which the research articles appear. Citations is the cumulative number of citations through the end of 2017 for each bibliographic reference. The eBird, GLOBE and Christmas tabs are the separate bibliographies for the eBird, GLOBE and Christmas Bird Count projects. The tabs for Tables 1, 2 and 3 provide the data for these three tables. Fig 2 &Tables 4 and 5 provides the information for Fig 2 and Tables 4 and 5. The tabs for Figs 3, 4, 5 and 6 provide the information and tabulations for these tables. The final spreadsheet tab ‘PubDist’ provides a graph of how the full ensemble of bibliographies were distributed among specific types of documents.
(XLSX)