... particular natural resources of the environment including fisheries, forestry, water, and non-renewable resources. The third partcovers the theory and practice of environmental valuation and includes ... a natural system1.4 Natural mortality Natural growthIncreaseFish stockDecreaseTotalharvestDecreaseFigure 1.5 Stocks, flows, and feedbacksECONOMICS OF THE ENVIRONMENT AND NATURAL RESOURCES THER. ... growth and the environment, tradeINTRODUCTION3 and the environment, biodiversity, and environmental accounting. Our book alsofeatures a glossary that defines specialized terms used in the text and...