Today, as our society faces economic and environmental crises, educational institutions occupy a strategic position to assist in solving these predicaments, by carrying out research and offering teaching in sustainability literacy. However, only a small portion of the total number of colleges and universities in the United States has fully pledged…

Describes the basic philosophy, nomenclature, and techniques used in mathematical modelling to enable biologists, engineers, land managers, and others to understand the concepts and usefulness of models. Contrasts conceptual and empirical approaches, using ecosystem models as an example of the former. (DC)

Describes construction of a model ecosystem using a 10-gallon aquarium with a sand, water and air interface. Pesticides are placed on sorghum plants grown on the terrestrial portion. After 30 days, movement of the pesticide is traced using radioisotope techniques, from terrestrial to aquatic organisms. Details for calculating concentration factors…

Presents a set of simulation models for use in teaching population dynamics. These models are designed specifically for use with a programmable pocket calculator, and can be used to demonstrate growth of populations with discrete or overlapping generations and also to explore effects of density-dependent and -independent mortality. (Author/CS)

An Open University course text, People in Cities--An Ecological Approach (Block 3), is presented. Three sections of the block are: the ecology of urban life, socialization and some implications for the urban child, and the compensatory debate. Some of the adaptive processes and ways in which failures of adaptation are distributed in different…

Findings are presented from a study of social interactions between hearing-impaired and hearing college students living on one floor of a mainstreamed residence hall at the Rochester (New York) Institute of Technology, home of the National Technical Institute for the Deaf. Twelve ethnographic observations were completed, and interviews were…