Freshwater Creatures Less Affected by Dino-Killing Asteroid, National Geographic, July 23, 2013 http://news.nationalgeographic.com/news/2013/07/130723-chicxulub-asteroid-dinosaurs-freshwater-survival-extinction/
A field guide to surviving a mass extinction by John Timmer, Ars Technica, July 21, 2013 http://arstechnica.com/science/2013/07/a-field-guide-to-surviving-a-mass-extinction/ Robertson, D. S., W. M. Lewis, P. M. Sheehan, and O. B. Toon, 2013, K-Pg extinction patterns in marine and freshwater environments: The impact winter model. Journal of Geophysical Research: Biogeosciences Article first published online: 11 JUL 2013 DOI: 10.1002/jgrg.20086 http://onlinelibrary.wiley.com/doi/10.1002/jgrg.20086/abstract Yours, Paul H. ______________________________________________ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
