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Displaying 1061 - 1065 of 1195

Arizona Water Settlement Act and urban water supplies

Journal Articles & Books
Décembre, 2009

The 2004 Arizona Water Settlements Act (AWSA 2004) when implemented will allocate to two Native American tribes, the Gila River Indian Community (GRIC) and the Tohono O'odham Nation (TON) almost ten percent of Arizona's total developed water supply, which is 7.04 million acre-feet a year. The successful passage of AWSA, given the scale of the water rights settlement and competing uses for finite water supplies, is the topic of this paper.

Environmental risk factors for equine West Nile virus disease cases in Texas

Journal Articles & Books
Décembre, 2009

West Nile Virus (WNV) was first detected in the Texas equine population during June 2002. Infection has since spread rapidly across the state and become endemic in the equine population. Environmental risk factors associated with equine WNV attack rates in Texas counties during the period 2002 to 2004 were investigated. Equine WNV attack rates were smoothed using an empirical Bayesian model, because of the variability among county equine populations (range 46-9,517).

inventory of the mires of Hokkaido, Japan--their development, classification, decline, and conservation

Journal Articles & Books
Décembre, 2009
Japon

Hokkaido Island is located in the cool temperate zone, and its climate conditions facilitated the formation of a variety of wetland types, the majority of them peat-forming mires. Most of these remained in a natural state until the early 20th century. However, drainage and subsequent conversion mostly to agricultural land have since destroyed more than 70% of the original wetland ecosystems.

Non-operator landowner interest in agroforestry practices in two Missouri watersheds

Journal Articles & Books
Décembre, 2009

Land tenure has long been considered a critical factor in determining the adoption and long-term maintenance of agroforestry practices. Empirical evidence from non-US settings has consistently shown that secure land tenure is positively associated with agroforestry adoption. In the US, over 40% of private agricultural land is farmed by someone other than the owner.