Energetics as an approach to estimating the economic impact of pasture pests

Abstract

Using a simple model, this paper suggests a fresh approach towards understanding the New Zealand pasture pest situation. It starts with a logically constructed energy budget that is fitted into a population model. The effect of pests on farm production can be determined in terms of resource depletion, energy use, and money when models such as the one illustrated are refined in real terms. This approach to the pasture/pest relationship creates a framework for integrating present knowledge and rationalising the organisation of research.