Reports are available below in PDF format.


    • State of the Monarch Butterfly Overwintering Sites in California – This report builds upon data collected at over 400 overwintering sites in California including population trends and habitat conditions. A top 50 list prioritizes sites for protection and active management, with conservation profiles for the top 25 sites



    • Controlled Burning and Mardon Skipper: Summary of Mardon Skipper Coon Mountain Burn Site Occupancy Study 2009-2013. Final report to the U.S. Forest Service, Oregon Zoo, and U.S. Fish and Wildlife Service.


    • Final Report Final report from Xerces 2007-2010 wetland bioassessment study.


    • Final Report to the EPA. Pacific Northwest Wetland Macroinvertebrate Monitoring: Protocols and Variability in Freshwater Riverine Impounding Wetlands. 2007.



    • Oil in Our Oceans: A Review of the Impacts of Oil Spills on Marine Invertebrates. By Michele Blackburn, Celeste Mazzacano, Candace Fallon, Scott Hoffman Black.