The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest)
This Excel workbook implements a full period life table using the formulas set out in chapter 3 of:Preston S H, Heuveline P, and Guillot M (2001) Demography: Measuring and Modeling Population Processe
