This Datasets is the supplementary Material to the paper :"Socio-ecological metabolism and rural livelihoo conditions: two case studies on forest litter uses in France and Poland (1875-1910)".
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) to
