Traditionally, journalism majors gain professional experience before graduation through internships, part-time or summer jobs, and campus media. Those avenues are often insufficient to adequately prepare them for the professional workplace and professional standards. This essay explores two of a journalism school's practice-based programs that…

Conceptual models are useful for facing the challenges of environmental sciences curriculum and course developers and students. These challenges are inherent to the interdisciplinary and problem-oriented character of environmental sciences curricula. In this article, we review the merits of conceptual models in facing these challenges. These…

Discusses the need for tools that analyze Earth changes in time ranges, and describes a data structure for creating and managing archives of thematic maps derived by classifying remotely sensed images by soft techniques (soft maps). Considers time-based models and provides an example of the new data structure. (Author/LRW)

Mathematical models are utilized to approximate various highly complex environmental phenomena. Model parameters exerting the most influence on model results are identified through a "sensitivity analysis." A comprehensive review is presented of more than a dozen sensitivity analysis methods. (LZ)

Disturbance-generated biomass results from endogenous and exogenous natural and cultural disturbances that affect the health and productivity of forest ecosystems. These disturbances can create large quantities of plant biomass on predictable cycles. A systems analysis model has been developed to quantify aspects of system capacities (harvest,…

Human concern for the quality and protection of the natural environment forms the basis of successful environmental conservation activities. Considers environmental concern research and proposes a model that incorporates the multiple dimensions of research through which environmental concern may be evaluated. (MDH)

The project summarized by this report involved a preliminary design of a model for estimating and predicting the quantity and composition of solid waste and a determination of its feasibility. The novelty of the prediction model is that it estimates and predicts on the basis of knowledge of materials and quantities before they become a part of the…

Discusses the objectives of conserving nature, appropriate strategies to reach those objectives, the present situation of formal conservation in South Africa, and the role of research in formulating sound conceptual models of ecosystem structure and function. (MDH)

By focusing on career development research concerning adolescents and young adults, this study illustrates the way in which Bronfenbrenner's ecological model is useful in providing a framework for career development research. (PN)

This paper is concerned with problems in assessing the behavior of trace substances introduced into natural systems, sampling models of five classes that might be used in the study of contaminants are reviewed. Adaptation of an industrial experimentation method and techniques used in economic geology to ecological sampling is recommended.…

Simplicity and efficiency in design and estimation are all important in deciding on sampling strategies. A simple model is given and illustrated for four practical situations to show how a good sampling strategy should be selected. (Author)

Describes methods of designing natural resource monitoring programs to provide indications of ecosystem health, define limits of normal variation, identify abnormal conditions, and suggest potential agent of abnormal change. (MDH)

Develops a Korean environmental instruction model to encourage responsible environmental behavior. Suggests components for this model. (Author/SAH)