We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePaleoecology. Measuring past biodiversity.AuthorsJackson, J B; Johnson, K GPublicationScience (New York, N.Y.), 2001, Vol 293, Issue 5539, p2401ISSN0036-8075Publication typeJournal ArticleDOI10.1126/science.1063789