In some instances I gave talks or presentations (or co-authored talks) that were not published, even as abstracts. I have some of the most recent ones as power point files which are available by contacting me.

Levings, C..D. 1999. Evaluating habitat restoration in estuaries. Symposium “Restoring America’s Estuaries. Seattle WA May 6.

Levings, C.D. 1999. Overview of Fraser River estuary fish habitats. Canadian Water Resources Association. Vancouver BC May 20.

Levings, C.D. 1999. Lectures on coastal zone mapping, effects of aquaculture, effects of acid mine drainage, and estuarine habitat restoration. Institute of Biological Sciences. University of Tsukuba, Japan. June 18-21.

Pringle, J., Levings., C.D., Sutherland, T.F., Williamson, C., Jamieson, G.S., and F. Hietkamp, 2000. Science and marine environmental quality (MEQ): support for integrated management on the Central Coast of British Columbia. Presentation at Coastal Zone 2000, St John NB Sept 17-22 2000. Coastal Zone Canada Association.

Levings, C.D. 2000. Habitat restoration in estuaries. Chugoku National Environmental Research Institute, Kure Japan. April 4.

Levings, C.D. 2000. Estuarine habitat restoration on the west coast of Canada. Korean Ocean Research and Development Institute. Ansan, Korea. June 15.

Levings, C.D. 2003. Nearshore aquatic community structure and function: overview and status of knowledge in the Queen Charlotte Basin. Talk given to Royal Society of Canada Expert Panel on Science Issues Related to Oil and Gas Activities, Offshore British Columbia. October 28 2003.

Levings, C.D. 2004. Endangered sturgeon of the Fraser River, Canada. Open lecture at Osaka Prefectural University, Sakai, Japan November 8.

Levings, C.D. 2004. Marine riparian habitats. Coastal Management course students at Osaka Prefectural University, Sakai, Japan. November 9.

Levings, C.D. 2005. Importance of the marine riparian as a habitat for salmonids. Talk at Norwegian Institute for Nature Research, Trondheim, Norway. June 6.

Bailey, S. A., Briski, Elizabeta, Casas-Monroy, O., DiBacco, C., Kaczmarska, I., Lawrence, J., Leichsenring, J., Levings, C., MacGillivary, M., Mckindsey, C. W., Parenteau, M., Piercey, G. E., Rivkin, R., Rochon, A., Roy, S., Simard, N., Sun, B., Villac, C., Way, C., Weise, A. M. and MacIsaac, H. J. 2011. Regional variation in shipping pathways and vectors across Canada Talk at Canadian Aquatic Invasive Species Network 2011 Annual General Meeting & Conference, 27.-28.04.2011, Quebec City, Quebec, Canada

Levings, C.D. 2013.Salmonid ecology as a possible indicator of sea level rise effects on estuarine ecosystems. Talk at Science and Stewardship – Addressing Rising Sea Level Impacts on Coastal Communities. November 29-December 30 2013. North Vancouver Outdoor School Learning Centre, Squamish , B.C.
Levings, C.D. 2014. Overview of salmonids and their habitats. Talk at Workshop on Management of Sensitive Marine Ecosystems: lessons from case studies to identify solutions for Baynes Sound. April 3-4 2014. Centre for Coastal Science and Management, Simon Fraser University, Burnaby BC.

Turner, Bob and C.D. Levings. 2015 Howe Sound Ecology. Talk at Howe Sound Aquatic Forum. Vancouver Aquarium and Marine Science Centre, Vancouver BC. March 27 2015

Levings, C.D. 2016. The estuary as a challenge to salmonid survival – a global overview. Talk at Comox Valley Watershed Society Annual General Meeting, Comox BC June 4 2016.
Levings, C.D. Ecology of Salmonids in Estuaries Around the World: Adaptations, Habitats and Conservation.Talk at Nature Vancouver meeting. November 10 2016.

Levings, C.D. and T. Nelson, 2020. The Starry Flounder (Platichthys stellatus) in the Fraser River Estuary

Virtual talk on April 30 2020 Western Division American Fisheries Society meeting.