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13. Ulanowicz, R.E. 1978. Eutrophication in the Chesapeake Bay. pp. 269-273. In: W.T. Chen et al., eds. Application of Remote Sensing to the Chesapeake Bay Region, Vol. II NASA Conf. Publ. 6.

31. Ulanowicz, R.E. and K.H. Mann. 1981. Ecosystems under stress. pp. 133-137. In: K.H. Mann, T.C. Platt and R.E. Ulanowicz (eds.). Mathematical Models in Biological Oceanography. UNESCO Monographs on Oceanographic Methodology 7. UNESCO Press, Paris.

37. Ulanowicz, R.E. 1984. Community measures of marine food networks and their possible applications. pp. 23-47. In: M.J.R. Fasham (ed.). Flows of Energy and Materials in Marine Ecosystems. Plenum, London.

61. Wulff, F. and R.E. Ulanowicz. 1989. A comparative anatomy of the Baltic Sea and Chesapeake Bay ecosystems. pp. 232-256. In: F. Wulff, J.G. Field, and K.H. Mann (eds.) Network Analysis in Marine Ecology Coastal and Estuarine Studies Series. Springer-Verlag, Berlin.

63. Ulanowicz, R. E. 1990. Ecosystem integrity and network theory. pp. 69-77. In: C.J. Edwards and H.A. Regier (eds.) An Ecosystem Approach to the Integrity of the Great Lakes in Turbulent Times Great Lakes Fish Comm. Spec. Pub. 90-4.

71. Ulanowicz, R.E. and F. Wulff. 1991. Comparing ecosystem process structures: The Chesapeake Bay and the Baltic Sea. pp. 140-166. In: J.J. Cole, G.M. Lovett and S.E.G. Findlay (eds.) Comparative Analyses of Ecosystems: Patterns, Mechanisms and Theories Springer-Verlag, New York.

75. Ulanowicz, R.E. 1992. Ecosystem health and trophic flow networks. pp. 190-225. In: R. Costanza, B.G. Norton, and B.D. Haskell (eds.) Ecosystem Health: New Goals for Environmental Management Island Press, Washington, DC.

76. Ulanowicz, R.E. and J. Tuttle. 1992. The trophic consequences of oyster stock rehabilitation in Chesapeake Bay. Estuaries 15:298-306.

83. Ulanowicz, R.E. 1995. Ecosystem integrity: A causal necessity. pp. 77-87 In: L. Westra and J. Lemons (eds.) Perspectives on Ecological Integrity Kluwer, Dordrecht.

89. Mageau, M.T., R. Costanza and R.E. Ulanowicz. 1995. The development and initial testing of a quantitative assessment of ecosystem health. Ecosystem Health 1(4):201-213.

92. Ulanowicz, R.E. 1996. Trophic flow networks as indicators of ecosystem stress. pp. 358-368, In: G. Polis and K. Winemiller (eds.), Food Webs: Integration of Patterns and Dynamics. Chapman-Hall, New York.

109. Almunia, J., G. Basterretxea, J. Aristegui, and R.E. Ulanowicz. 1999. Benthic-pelagic switching in a coastal subtropical lagoon. Estuarine, Coastal and Shelf Science 49:363-384.

114. Ulanowicz, R.E. 2000. Toward the measurement of ecological integrity. Pp. 99-113. In: Pimentel, D., L. Westra and R.F. Noss (Eds.), Ecological Integrity: Integrating Environment, Conservation and Health Island Press, Washington. DC.

119. Westra, L., P. Miller, J.R. Karr, W.E. Rees and R.E. Ulanowicz. 2000. Ecological integrity and the aims of global integrity project. pp. 19-41. In: Pimentel, D., L. Westra and R.F. Noss (Eds.), Ecological Integrity: Integrating Environment, Conservation and Health Island Press, Washington. DC..

123. Kay, J.J., T. Allen, R. Fraser, J.C. Luvall, and R.E. Ulanowicz. 2001. Can we use energy based indicators to characterize and measure the status of ecosystems, human, disturbed and natural? Pp. 121-133 In. S. Ulgiati, M.T. Brown, M. Giampietro, R.A. Herendeen and K. Mayumi (Eds.) Advances in Energy Studies: Exploring Supplies, Constraints and Strategies SGEditoriali: Padova.

128. Ulanowicz, R.E. 2002. The balance between adaptability and adaptation. BioSystems 64:13-22.

139. Patricio, J., R. Ulanowicz, M.A. Pardal, and J.C. Marques. 2004. Ascendency as an ecological indicator: A case study of estuarine pulse eutrophication. Estuarine, Coastal and Shelf Science 60:23-35.

157. Patrício, J., Ulanowicz, R., Pardal, M.A. & Marques, J.C. 2006. Ascendency as ecological indicator for environmental quality assessment at the ecosystem level: A case study. Hydrobiologia 555:19-30.

168. Ulanowicz, R.E., Goerner, S.J., Lietaer, B. and Gomez, R. 2009. Quantifying sustainability: Resilience, efficiency and the return of information theory. Ecological Complexity 6:27-36.

173. Ulanowicz, R.E. 2009. The dual nature of ecosystem dynamics. Ecological Modelling 220:1886-1892.

180. Christian, R.R., Voss, C.M., Bondavalli, C., Viaroli, P., Naldi, M., Tyler, A.C., Anderson, I.C., McGlathery, K.J., Ulanowicz, R.E., and Camacho-Ibar, V. 2010. Ecosystem health indexed through networks of nitrogen cycling. Pp. 73-90 In: M.J. Kennish and H.W. Paerl (Eds.) Coastal Lagoons: Critical Habitats of Environmental Change CRC Press: Boca Raton, Florida.

197. González, J., Ortiza, M., Rodríguez-Zaragozad, F., Ulanowicz, R.E., 2016. Assessment of long-term changes of ecosystem indexes in Tongoy Bay(SE Pacific coast): Based on trophic network analysis Ecological Indicators 69:390-399.

204. Ulanowicz, R.E. 2018. Biodiversity, functional redundancy and system stability: Subtle connections. J. Roy. Soc. Interface 15(147):20180367.

208. Fath, B.D., D. A. Fiscus, S. J. Goerner, A. Berea and R. E. Ulanowicz. 2019. Measuring regenerative economics: 10 principles and measures undergirding systemic economic health. Global Transitions 1:15-27.

213. Ulanowicz, R.E. 2021. Socio-ecological networks: A lens that focuses beyond physics. J. Frontiers in Ecology and Evolution Vol. 9. doi:10.3389/fevo.2021.643122.