References and further reading for Tuna - pressures on New Zealand populations.
Anon. (1948). Karāpiro Dam project. Effects on Lower Waikato trout fishery. Report by a biologist (signature unreadable) of the Marine Department, Wellington, File 71/1/2/2. 4 p.
Beentjes, M. P., Boubée, J.A.T., Jellyman, D.J., Graynoth, E. (2005). Non-fishing mortality of freshwater eels (Anguilla spp.). New Zealand Fisheries Assessment Report 2005/34 . Ministry of Fisheries, Wellington. 38 p. http://fs.fish.govt.nz/Doc/17219/2005%20FARs/05_34_FAR.pdf.ashx
Beentjes, M. P., Jellyman, D. J., Kim, S. W. (2006). Changing population structure of eels (Anguilla dieffenbachii and A. australis) from southern New Zealand. Ecology of Freshwater Fish 15: 428-440. http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0633.2006.00165.x/full
Casselman, J. M., Cairns, D.K. (2009). Eels at the Edge: Science, Status and Conservation Concerns. American Fisheries Society Symposium 58. 449 p.
Castonguay, M., Hobson, P.V., Moriaty, C., Drinkwater, K.F., Jessop, B.M. (1994). Is there a role of ocean environment in American and European eel decline? Fisheries Oceanography 3: 197-203. . http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2419.1994.tb00097.x/abstract
Dekker, W. (2002). Monitoring of glass eel recruitment. Netherlands Institute of Fisheries Research Report C007/02-WD. Ijuiden, Netherlands. 256 p.
Dixon, D. A. (2003). Biology, Management and Protection of Catadromous Eels. American Fisheries Society, Symposium 33, Bethesda, Maryland. 388 p.
Feunteun, E. (2002). Management and restoration of European eel population (Anguilla anguilla): An impossible bargain. Ecological Engineering 18: 575-591. http://www.sciencedirect.com/science/article/pii/S0925857402000216
Friedland, K. D., Miller, M. J., Knights, B. (2007). Oceanic changes in the Sargasso Sea and declines in recruitment of the European eel. ICES Journal of Marine Science 64: 519-530. http://icesjms.oxfordjournals.org/content/64/3/519.abstract
Haro, A., Richkus, W., Whalen, K., Hoar, A., Bush, W., Lary, S., Brush, T., Dixon, D. (2000). Population decline of the American eel: implications for science and management. Fisheries 25: 7-16.
Hitchmough, R., Bull, L., Cromarty, P. (2007). New Zealand threat classification system lists 2005. Science & Technical Publishing. Department of Conservation, Wellington. 194 p. http://www.doc.govt.nz/upload/documents/science-and-technical/sap236.pdf
Jellyman, D.J., Chisnall, B.L., Sykes, J.R.E., Bonnett, M.L. (2002). Variability in spatial and temporal abundance of glass eels (Anguilla spp.) in New Zealand waterways. New Zealand Journal of Marine and Freshwater Research 36: 511-517. http://www.royalsociety.org.nz/publications/journals/nzjm/2002/041/
Jowett, I.G. (1987). Fish passage, control devices and spawning channels. In: Henrikes P.R. (ed). Aquatic biology and hydroelectric power development in New Zealand. Auckland, Oxford University Press. 138-155.
Little, R.W. (1975). Clutha Valley Development: Fisheries Interests. Appendix 4. In: Upper Clutha Valley Development. Environmental Impact Report. Ministry of Works and Development. 119 p and appendices.
Potangaroa, J. (2010). Tuna kuwharuwharu, the longfin eel. An educational resource: facts, threats and how to help. 26 p.
Richkus, W., Whalen, K. (2000). Evidence for a decline in the abundance of the American eel, Anguilla rostrata (Le Sueur), in North America since the early 1980s. Dana 12: 83-97.
Ringuet, S., Muto, F., Raymakers, C. (2002). Eels: their harvest and trade in Europe and Asia. TRAFFIC Bulletin 19: 2-27. www.traffic.org/species-reports/traffic_species_fish6.pdf