... named Ecological Engineering Associates” (Teal and Peterson, 1991, 19 93; Teal et al., 1994), and most recently, “Ocean Arks Inter-national.” 34 Ecological Engineering: Principles and Practice water ... ConstructionMuskratsHerbivory+++++++−−−++++50 Ecological Engineering: Principles and Practice and Muller, 19 73; Stout, 1980) and conventional wastewater treatment systems(Barker, 1946; Bhatla and Gaudy, 1965; Curds, 1975; Kinner and ... Melchiorri-Santolini and Hopton (1972), 36 Ecological Engineering: Principles and Practice activities that appeared in the late 1960s, as shown in the center of Figure 2.10.Bastian and Hammer (19 93) , Kadlec and...