Archiving Primary Data: Solutions for Long-Term Studies

Abstract

Contact CEH NORA team at noraceh@ceh.ac.ukThe NERC and CEH trademarks and logos ('the Trademarks') are registered trademarks of NERC in the UK and other countries, and may not be used without the prior written consent of the Trademark owner. Although it is claimed that over 95% of scientists in evolution and ecology believe data should be 131 publicly archived [1], mandatory public data archiving (PDA) is raising many issues in the scientific 132 community as evidenced by debates on websites, in blogs and publications [2-10]. Here we focus on the 133 perspective from long-term individual-based studies of wild populations that often span several 134 decades. 135Short and long-term ecological studies differ in several important aspects. For example, in the former, 136 data tend to be collected over a short period of time for one or two papers and once published the data 137 in these papers become less valuable to the collector and can be more useful to others with different 138 perspectives or analytical skills. In contrast, in studies that have followed individuals over their lifetimes, 139 a lot of crucial information is assessed from derived metrics (e.g. survival, lifetime reproductive success) 140 that can only be estimated after many years of fieldwork. Therefore, much value can remain in the 141 primary data even after some of the initial questions are answered. 142Long-term studies are rare and have great scientific value since many important questions in ecology 143 and evolutionary biology can only be answered from the life histories of recognizable individuals [11]. A 144 detailed analysis of the importance of individual-based studies has been documented elsewhere [11], 145 but a few examples are given in Box 1. 146While group discussions and blog posts on PDA related issues have been flourishing, little is formally 147 known and published about the position and concerns of people collecting long-term data. To fill this 148 gap, a survey was conducted to learn their perspectives, and if current data requirements were 149 perceived as problematic, to identify potential alternative data-sharing policies that could be acceptable 150 to the journals, the scientific community and the Principal investigators. 151 152 The survey 153To obtain the opinions of scientists with individual-based longitudinal data, a worldwide survey was sent 154 to 146 PIs of long-term research projects. Responses were received from 73 PIs working on 59 bird 155 studies, 13 mammalian studies and 1 plant study. The 92 projects (some PIs have several projects) range 156 in duration from 5 to 68 years ( Figure 1), with 55 percent collecting data for more than 30 years. Thirty-157 five percent of researchers were required to archive data used in a publication by their current funding 158 agency and 19% by their institution. Eight researchers were required to deposit data by both; therefore 159 59% were not required to archive their data. There was diversity of opinion among PIs about data 160 archiving, but some strong points of consens...

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