Andrews, S.S., D.L. Karlen, and C.A. Cambardella. 2004. The soil management assessment framework: a quantitative soil quality evaluation method. Soil Science Society of America Journal 68: 1945–1962.

Arrindell, W.A., and J. van der Ende. 1985. An empirical test of the utility of the observations-to-variables ratio in factor and components analysis. Applied Psychological Measurement 9: 165–178.

Basset-Mens, C., and H.M.G. van der Werf. 2005. Scenario- based environmental assessment of farming systems: the case of pig production in France. Agriculture, Ecosystems, and Environment 105(1–2): 127–144.

Bellino, A., D. Baldantoni, F. De Nicola, P. Iovieno, M. Zaccardelli, and A. Alfani. 2015. Compost amendments in agricultural ecosystems: confirmatory path analysis to clarify the effects on soil chemical and biological properties. The Journal of Agricultural Science 153(2): 282–295.

Brentrup, F., J. Küsters, J. Lammel, P. Barraclough, and H. Kuhlmann. 2004. Environmental impact assessment of agricultural production systems using the life cycle assessment (LCA) methodology II. The application to N fertilizer use in winter wheat production systems. European Journal of Agronomy 20(3): 265–279.

Capper, J.L., E. Castañeda-Gutiérrez, R.A. Cady, and D.E. Bauman. 2008. The environmental impact of recombinant bovine somatotropin (rbST) use in dairy production. Proceedings of the National Academy of Sciences of the United States of America 105(28): 9668–9673.

Cavigelli, M.A, J.R. Teasdale, and A.E. Conklin. 2008. Long-term agronomic performance of organic and conventional field crops in the Mid-Atlantic region. Agronomy Journal 100(3): 785–794.

de Ruiter, P.C., J.C. Moore, K.B. Zwart, L.A. Bouwman, J. Hassink, J. Bloem, J.A. Devos, J.C. Marinissen, W.A.M. Didden, G. Lebbink, and L. Brussaard. 1993. Simulation of nitrogen mineralization in the belowground food webs of two winter-wheat fields. Journal of Applied Ecology 30: 95–106.

Drinkwater, L.E., D.K. Letourneau, F. Workneh, A.H.C. van Bruggen, and C. Shennan. 1995. Fundamental differences between conventional and organic tomato agroecosystems in California. Ecological Applications 5(4): 1098–1112

EPA. 2006. Life Cycle Assessment: Principles and Practice. EPA/600/R-06/060, 80 pages. https://nepis.epa.gov.

Eshel, G., and P.A. Martin. 2006. Diet, energy, and global warming. Earth Interact: 10: 1–17.

Eshel, G., P.A. Martin, and E.E. Bowen. 2010. Land use and reactive nitrogen discharge: effects of dietary choices. Earth Interact 14: 1–15.

Ewing, B., S. Goldfinger, M. Wackernagel, M. Stechbart, S. M. Rizk, A. Reed, and J. Kitzes. 2008. The Ecological Footprint Atlas 2008. Global Footprint Network: Oakland, CA.

Garrigues, E., M.S. Corson, D.A. Angers, H.M.G. van der Werf, and C. Walter. 2012. Soil quality in Life Cycle Assessment: towards development of an indicator. Ecological Indicators 18: 434–442.

Garson, G.D. 2010. Creating simulated datasets. G. DavidGarson and Statistical Associates Publishing: Asheboro, NC.

Garson, G.D. 2005. PA 765 Statnotes: An Online Textbook. North Carolina State University:https://faculty.chass.ncsu.edu/garson/PA765/statnote.htm.

Gauch, H.G. 1982. Multivariate Analysis in Community Ecology. Cambridge University Press: Cambridge, UK.

Haas, G., F. Wetterich, and U. Köpke. 2001. Comparing intensive, extensified and organic grassland farming in southern Germany by process life cycle assessment. Agriculture, Ecosystems and Environment 83(1–2): 43–53.

Horne, R., T. Grant, and K. Verghese. 2009. Life Cycle Assessment: Principles, Practice and Prospects. CSIRO Publishing: Collingwood, Australia.

Hillier, J., C. Hawes, G. Squire, and A. Hilton. 2009. The carbon footprints of food crop production. Journal of Agricultural Sustainability 7(2): 107–118.

Jørgensen, S., L. Xu, and R. Costanza, eds. 2009. Handbook of Ecological Indicators for Assessment of Ecosystem Health. 2nd Edition. Applied Ecology and Environmental Management Series. Taylor & Francis, CRC Press: Boca Raton, FL.

Kitzes, J., A. Galli, M. Bagliani, J. Barrett, G. Dige, S. Ede, K. Erb, S. Giljum, H. Haberl, C. Hails, L. Jolia-Ferrier, S. Jungwirth, M. Lenzen, K. Lewis, J. Loh, N. Marchettini, H. Messinger, K. Milne, R. Moles, C. Monfreda, D. Moran, K. Nakano, A. Phyälä, W. Rees, C. Simmons, M. Wackernagel, Y. Wada, C. Walsh, and T. Wiedmann. 2009. A research agenda for improving national Ecological Footprint accounts. Ecological Economics 68: 1991–2007.

Kitzes, J, and M. Wackernagel. 2009. Answers to common questions in Ecological Footprint accounting. Ecological Indicators 9: 812–817.

Lal, R., F. Follett, B.A. Stewart, and J.M. Kimble. 2007. Soil carbon sequestration to mitigate climate change and advance food security. Soil Science 172: 943–956.

Landis, A.E., S.A. Miller, and T.L. Theis. 2007. Life cycle of the corn-soybean agroecosystem for biobased production. Environmental Science and Technology 41(4): 1457–1464.

Lleras, C. 2005. Path analysis. Encyclopedia of Social Measurement 3: 25–30.

MacCallum, R.C., K.F. Widaman, K.J. Preacher, and S. Hong. 1999. Sample size in factor analysis: the role of model error. Multivariate Behavioral Research 36(4): 611–637.

Mayer, A.L. 2008. Ecologically-based approaches to evaluate the sustainability of industrial systems. International Journal of Sustainable Society 1(2): 117–133.

Mayer, A.L., H.W. Thurston, and C.W. Pawlowski. 2004. The multidisciplinary influence of common sustainability indices. Frontiers in Ecology and the Environment 2: 419–426.

Meadows, D.H. 1998. Indicators and Information Systems for Sustainable Development: A Report to the Balaton Group. Sustainability Institute: Hartland Four Corners, VT.

Meisterling, K., C. Samaras, and V. Schweizer. 2009. Decisions to reduce greenhouse gases from agriculture and product transport: LCA case study of organic and conventional wheat. Journal of Cleaner Production 17(2): 222–230.

Monfreda, C., M. Wackernagel, and D. Deumling. 2004. Establishing national natural capital accounts based on detailed Ecological Footprint and biological capacity assessments. Land Use Policy 21(3): 231–246.

Montarroyos, A.V.V., M.A.G. de Lima, E.O. dos Santos, and J.G.E. de Franca. 2003. Isozyme analysis of an active cassava germplasm bank collection. Euphytica 130: 101–106.

Niccolucci, V., A. Galli, J, Kitzes, R.M. Pulselli, S. Borsa, and N. Marchettini. 2008. Ecological Footprint analysis applied to the production of two Italian wines. Agriculture, Ecosystems, and Environment 128(3): 162–166.

Norris, C.B., and J. Reveret. 2015. Partial Organization and Social LCA Development: The Creation and Expansion of an Epistemic Community. In Social Life Cycle Assessment, ed. S.S. Muthu. Springer: Singapore.

Osborne, J.W., and A.B. Costello. 2004. Sample size and subject to item ratio in principal components analysis. Practical Assessment, Research, and Evaluation 9(11).

Pizzigallo, A.C.I., C. Granai, and S. Borsa. 2008. The joint use of LCA and energy evaluation for the analysis of two Italian wine farms. Journal of Environmental Management 86(2): 396–406.

Schipanski, M.E., L.E. Drinkwater, and M.P. Russelle. 2010. Understanding the variability in nitrogen fixation across agroecosystems. Plant and Soil 329(1): 379–397.

Shipley, C. 2000. Cause and Correlation in Biology: A User’s Guide to Path Analysis, Structural Equations and Causal Inference. Cambridge University Press: Cambridge, UK.

Stehfest, E., L. Bouwman, D.P. van Vuuren, M.G.J. den Elzen, B. Eickhout, and P. Kabat. 2009. Climate benefits of changing diet. Climatic Change 95: 83–102.

Stronge, K.M., S.D. Lennox, and R.V. Smith. 1997. Predicting nitrate concentrations in Northern Ireland rivers using time series analysis. Journal of Environmental Quality 26(6): 1599–1604.

Speelman, E.N., S. López-Ridaura, and N. Allana. 2007. Ten years of sustainability evaluation using the MESMIS framework: Lessons learned from its application in 28 Latin American case studies. International Journal of Sustainable Development and World Ecology 14(4): 345–361.

Taylor, M.E., and M.D. Morecroft. 2009. Effects of agri-environment schemes in a long-term ecological time series. Agriculture, Ecosystems, and Environment 130(1–2): 9–15.

Teasdale, J., and M. Cavigelli. 2010. Subplots facilitate assessment of corn yield losses from weed competition in a long-term systems experiment. Agronomy for Sustainable Development 30(2): 445–453.

Teasdale, J.R., R.W. Mangum, J, Radhakrishnan, and M.A. Cavigelli. 2004. Weed seedbank dynamics in three organic farming crop rotations. Agronomy Journal 96(5): 1429–1435.

Thomassen, M.A., R. Dalgaard, R. Heijungs, and I. de Boer. 2008. Attributional and consequential LCA of milk production. The International Journal of Life Cycle Assessment 13(4): 339–349.

van der Werf, H.M.G., J. Tzilivakis, K. Lewis, and C. Basset-Mens. 2007. Environmental impacts of farm scenarios according to five assessment methods. 2007. Agriculture, Ecosystems, and Environment 118(1–4): 327–338.

Vaylay, R., and E. van Santen. 2002. Application of canonical discriminant analysis for the assessment of genetic variation in tall fescue. Crop Science 42: 534–539.

Velicer, W.F., and J.L. Fava. 1998. Effects of variable and subject sampling on factor pattern recovery. Psychological Methods 3:231–251.

Wackernagel, M., and W. Rees. 1995. Our Ecological Footprint: Reducing Human Impact on the Earth. New Society Publishers: Philadelphia, PA.

Wackernagel, M., L. Onisto, P. Bello, A. Callejas Linares, I. López Falfán, J. Méndez García, A. Suárez Guerrero, and G. Suárez Guerrero. 1999. National natural capital accounting with the ecological footprint concept. Ecological Economics 29(3): 375–390.

Wackernagel, M. 2009. Methodological advancements in footprint analysis Introduction. Ecological Economics 68: 1925–1927.

Wada, Y., “The Appropriated Carrying Capacity of Tomato Production: Comparing the Ecological Footprints of Hydroponic Greenhouse and Mechanized Field Operations” (master’s thesis, School of Community and Regional Planning, University of British Columbia, 1993): https://hdl.handle. net/2429/1526.

Wander, M. M., and G.A. Bollero. 1999. Soil quality assessment of tillage impacts in Illinois. Soil Science Society of America Journal 63: 961–971.