Mackas, D.L., Greve, W., Edwards, M., Chiba, S., Tadokoro, K., Eloire, D., Mazzocchi, M.G., Batten, S.D., Richardson, A.J., Johnson, C.L., Head, E.J.H., Conversi, A., Peluso, T.   2012.   Changing zooplankton seasonality in a changing ocean: Comparing time series of zooplankton phenology.   Progress in Oceanography   97-100 (2012) 31-62.   doi.org/10.1016/j.pocean.2011.11.005