I have been doing some background research into this very thing recently and here are some of the papers that I have collected. This certainly isn’t an exhaustive account but may be useful. They are in no particular order.
Callaghan CT, Poore AGB, Major RE, Rowley JJL, Cornwell WK. 2019. Optimizing future biodiversity sampling by citizen scientists. Proc. R. Soc. B 286: 20191487. http://dx.doi.org/10.1098/rspb.2019.1487
Peter, M, Diekötter, T, Höffler, T, Kremer, K. Biodiversity citizen science: Outcomes for the participating citizens. People Nat . 2021; 3: 294– 311. https://doi.org/10.1002/pan3.10193
Tomas J. Bird, Amanda E. Bates, Jonathan S. Lefcheck, Nicole A. Hill, Russell J. Thomson, Graham J. Edgar, Rick D. Stuart-Smith, Simon Wotherspoon, Martin Krkosek, Jemina F. Stuart-Smith, Gretta T. Pecl, Neville Barrett, Stewart Frusher. Statistical solutions for error and bias in global citizen science datasets, Biological Conservation, Volume 173, 2014, Pages 144-154, ISSN 0006-3207, https://doi.org/10.1016/j.biocon.2013.07.037.
Janis L. Dickinson, Benjamin Zuckerberg, David N. Bonter. 2010. Citizen Science as an Ecological Research Tool: Challenges and Benefits (https://www.annualreviews.org/doi/abs/10.1146/annurev-ecolsys-102209-144636). Annual Review of Ecology, Evolution, and Systematics 2010 41:1, 149-172
Christopher R. Hardy, Nazli W. Hardy; Adapting Traditional Field Activities in Natural History Education to an Emerging Paradigm in Biodiversity Informatics. The American Biology Teacher 1 September 2018; 80 (7): 501–519. doi: https://doi.org/10.1525/abt.2018.80.7.501
E.J. Theobald, A.K. Ettinger, H.K. Burgess, L.B. DeBey, N.R. Schmidt, H.E. Froehlich, C. Wagner, J. HilleRisLambers, J. Tewksbury, M.A. Harsch, J.K. Parrish. Global change and local solutions: Tapping the unrealized potential of citizen science for biodiversity research. Biological Conservation, Volume 181, 2015, Pages 236-244, ISSN 0006-3207. https://doi.org/10.1016/j.biocon.2014.10.021.
Tabea Turrini, Daniel Dörler, Anett Richter, Florian Heigl, Aletta Bonn. The threefold potential of environmental citizen science - Generating knowledge, creating learning opportunities and enabling civic participation. Biological Conservation, Volume 225, 2018, Pages 176-186, ISSN 0006-3207. https://doi.org/10.1016/j.biocon.2018.03.024.
La Salle John, Williams Kristen J. and Moritz Craig. 2016. Biodiversity analysis in the digital era. Phil. Trans. R. Soc. B3712015033720150337. http://doi.org/10.1098/rstb.2015.0337
König, Christian & Weigelt, Patrick & Schrader, Julian & Taylor, Amanda & Kattge, Jens & Kreft, Holger. (2019). Biodiversity data integration—the significance of data resolution and domain. PLoS Biology. 17. e3000183. 10.1371/journal.pbio.3000183.
Isaac, N.J.B., van Strien, A.J., August, T.A., de Zeeuw, M.P. and Roy, D.B. (2014), Statistics for citizen science: extracting signals of change from noisy ecological data. Methods Ecol Evol, 5: 1052-1060. https://doi.org/10.1111/2041-210X.12254