Willingness to pay models have shown the theoretical relationships between the contingent valuation, cost of illness and the avertive behaviour approaches. In this paper, field survey data are used to compare the relationships between these three approaches and to demonstrate that contingent...

The farming of channel catfish (Ictalurus punctatus) is the largest (by volume and value) and most successful (in terms of market impact) aquaculture industry in the United States of America. Farmed channel catfish is the most consumed (in terms of volume per capita) fish fillet in the U.S....

Although a handful of forage species such as perennial ryegrass are predominant, there are a wide range of forage species that can be grown in sub tropical and temperate regions in Australia as dairy pastures. These species have differing seasonal yields, nutrient quality and water use...

Protected areas are often the source of agricultural pests and Xishuangbanna State Nature Reserve in Yunnan is no exception. The main pest associated with the Reserve is the Asian elephant Elephas maximus which causes damage outside the Reserve to agriculture as well as in the Reserve. However,...

Protected areas are often the source of agricultural pests and .Xishuangbanna State Nature Reserve in Yunnan is no exception. The main pest associated with the. Reserve is the Asian elephant, Elaphas maximus, which causes damage outside the Reserve to agriculture as well as in the Reserve....

The gradualism of economic reforms in China and Vietnam (especially in China, which has led the way in this regard) has been commented on favourably by many analysts studying transitional economies. Early market reforms in China and Vietnam were constrained by political considerations and...

The wide use of artificial insemination by dairy farmers has facilitated the development of a multi-billion dollar international market in animal genetics. In the major western dairy producing nations, each country has developed a single index to rank bulls, based on the value of traits they are...

This article outlines both ecological and socioeconomic issues involved in the development and use of GMOs. It’s argued that while initially new GMOs add to the global stock of biodiversity, in the long-term they result in a decline in biodiversity. Various mechanisms that bring about this...

Reports results from a contingent valuation survey of willingness to pay for the conservation of the Asian elephant of a sample of urban residents living in three selected housing schemes in Colombo, the capital of Sri Lanka. Face–to–face surveys were conducted using an interview schedule. A...

Opinions differ about what types of policies are likely to be most effective in conserving wildlife species. For example, the Convention on International Trade in Endangered Species of Wild Flora and Fauna (CITES) is based on the premise that curbing the commercial use of endangered species...