If anyone has a copy of the following paper I would be most grateful to receive it. Tittensor, D. P., Mora, C., Jetz, W., Lotze, H. K., Ricard, D., Vanden Berghe, E., Worm, B. (2010) Global patterns and predictors of marine biodiversity across taxa. Nature, 466: 1098-1101. John Grehan