How can we estimate the negative externalities of agriculture at the national level, and attribute these to specific production activities and outputs? The paper presents a method that calculates the mass flow in the whole agricultural sector including inputs from other sectors, and that allows...

We used the well-being evaluation method, a technique for measuring individual utility, to study how people in the wildland urban interface of Colorado (USA) felt about their lives before and after two wildfire scenarios. Variables such as age, family size, fire frequency, and house value were...

This study describes the development of bio economic models examining the economic and water quality impact of various proposed policy options in the Upper Waikato catchment. In the first phase nitrogen emissions are determined for representative farming systems using the Overseer nutrient...

We examined four evolution paths of the biofuel sector using a partial equilibrium worldagricultural sector model in CARD that includes the new RFS in the 2007 EISA, a two-wayrelationship between fossil energy and biofuel markets, and a new trend toward corn oilextraction in ethanol plants. At...

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Chinese grasslands are suffering considerable pressures from human and livestock populations. It has been estimated that 90% of Chinese grasslands are suffering from light to heavy levels of degradation. Allied to this is the low household income of herders and farmers dependant upon livestock...

Rapidly expanding ethanol production in the U.S. was given further impetus with the passage of the Energy Policy Act of 2005 mandating a minimum production of 7.5 billion gallons of renewable fuels by 2012. The availability of the by-product feeds of ethanol production (corn gluten feed and meal...

The American alligator has made a remarkable comeback from the brink of extinction. Commercial alligator production is emerging as an important industry in the South. The industry shows similarities to other livestock industries. This paper draws comparisons with other livestock industries to...

The goal of sustainability in the management of natural resources and agricultural systems has received increasing attention during the 1990's. The many dimensions of the problem have been extensively discussed in the literature and a recognition of the interaction between economic, biological...