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)
A Census of Population was taken on the night of Sunday, 5 April 1981, in accordance with the Statistics (Census of Population) Order 1981 (S.I. No. 60 of 1981). Census data is collected every 5
