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Risk assessment ought to provide a solid, evidence base to risk management in the development of environmental policy and decisions, where the risk assessors act without advocacy as honest brokers of science advice. But there are concerns that the values of the risk assessors might undermine the objectivity of the process. For similar reasons, there is suspicion that more interaction between risk assessors and risk managers might contaminate the science. On the contrary, here the argument is that making risk assessment more management‐ and value‐relevant, through more effective dialogue, provides a better foundation for objective science advice.

The language of ecology has grown rapidly and changed extensively over the last decade. From Arrhenotoky to Psammosere; from the One-tailed test to Zoocoenosis, the Blackwell Concise Encyclopedia of Ecology provides concise, non-technical definitions of over 2000 ecological terms, covering the complete spectrum of pure and applied ecological research. The definitions are drawn from the Encyclopedia of Ecology and Environmental Management, and are fully cross-referenced. This is the most comprehensive and up-to-date dictionary of ecological terms available. It should be invaluable to students a

One: Evolutionary Aspects of Energy Budgets -- 1. Adaptive Aspects of Energy Allocation -- 2. Metabolic Scope in Fishes -- Two: Food and Feeding -- 3. The Application of Optimal Foraging Theory to Feeding Behaviour in Fish -- 4. Energetics of Feeding and Digestion -- 5. Laboratory Methods in Fish Feeding and Nutritional Studies -- 6. Protein and Amino Acid Requirements -- 7. The Hormonal Control of Metabolism and Feeding -- Three: Production -- 8. Growth -- 9. Energetics of Reproduction -- Four: Energy Budgets -- 10. Laboratory Studies of Energy Budgets -- 11. Field Studies of Energy Budgets -- 12. Energetics and Fish Farming -- Systematic Index.

This major reference is an overview of the current state of theoretical ecology through a series of topical entries centered on both ecological and statistical themes. Coverage ranges across scales—from the physiological, to populations, landscapes, and ecosystems. Entries provide an introduction to broad fields such as Applied Ecology, Behavioral Ecology, Computational Ecology, Ecosystem Ecology, Epidemiology and Epidemic Modeling, Population Ecology, Spatial Ecology and Statistics in Ecology. Others provide greater specificity and depth, including discussions on the Allee effect, ordinary differential equations, and ecosystem services. Descriptions of modern statistical and modeling approaches and how they contributed to advances in theoretical ecology are also included. Succinct, uncompromising, and authoritative—a "must have" for those interested in the use of theory in the ecological sciences