Delaney, D.G., C.D. Sperling, C. Adams, and B. Leung. 2008. Marine invasive species: Validation of citizen science and implications for national monitoring networks. Biological Invasions 10:117-128. The crab distribution and abundance findings reported in this article are all based on volunteer data.
Ellis, S.L., and D.F. Cowan. 2001. Volunteer-based monitoring of juvenile American lobster, Homarus americanus. Marine and Freshwater Research 52(8):1103-1112. Article reports volunteer-collected density, size, and abundance data on juvenile lobsters in Maine.
Hodgson, G. 1999. A global assessment of human effects on coral reefs. Marine Pollution Bulletin 38(5):345-355. All data for this research study were collected by teams of trained recreational divers with the Reef Check program. Participants identified indicator organisms (fish and invertebrates) and substrate types. www.reefcheck.org/about_RC_Reef/Publications.php