Beach recreation values are often needed by policy-makers and resource managers to efficiently manage coastal resources, especially in popular coastal areas like Southern California. This article presents welfare values derived from random utility maximization-based recreation demand models that explain an individual’s decisions about whether or not to visit a beach and which beach to visit. Th...

abstract in iran, border regions are considered as strategic and critical locations. potential, natural, and economic constraints as well as being away from the capital, and consequently from power and decision-making centers are some of the main features of these regions. in this regard, the establishment of border markets is one of the most recognized methods for the economic development of b...

OBJECTIVE To compare rates of fatal drug-related overdose death (OD) cases--a major harm outcome of illicit substance use--in the two provinces of British Columbia (BC) and Ontario, and the two largest municipalities in those provincial jurisdictions, namely the cities of Vancouver and Toronto, between 1992 and 2004. METHODS Provincial coroners' data of drug-related OD cases for the provincia...

As international trade increases so does the prominence of urban areas as gateways for exotic forest insects (EFI).Delimiting hot spots for invasions (i.e., areaswhere establishment is likely) within urban areas would facilitate monitoring efforts. We used a propagule-pressure framework to delimit establishment hot spots of a hypothetical generalist EFI in six U.S. urban areas: Chicago, Detroit...

introductionrural administration as an executive arm of councils is of important institutions in iran which are constantly facing difficulties providing finance for their commitments based on institutions. these difficulties chakllahnge their abilities in providing services to rural societies since the capacity of rural economy is lilmited in making income and the average incomeof rural familie...