... Pimentel,D., (19 94) , Models of energy analysis to assess the performance of food systems, Agric. Syst., 45 , 19 41 .)© 20 04 by CRC Press LLC Multi- Scale Integrated Analysis of Agroecosystems3 52crop ... 20 04 by CRC Press LLC Multi- Scale Integrated Analysis of Agroecosystems3 34 noted in Chapter 7, this has to do with the hierarchical nature of nested dissipative systems) and (2) thesumming of ... economists and© 20 04 by CRC Press LLC Multi- Scale Integrated Analysis of Agroecosystems 349 fraction of solar energy associated with GPP per square meter (thanks to the use of more water) areable...