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Showing items 71812 through 71820 of 73379.Wildlife conservationists and agencies have recommended managing rangelands for vegetation heterogeneity to improve wildlife habitat, particularly for many grassland birds.
There is an increasingly well-founded understanding of the chief drivers and constraints to widespread adoption by Australian landholders to practices to manage dryland salinity. However, each specific situation depends on a range of biophysical, social and economic factors.
We report the findings of a unique nation-wide experiment to price access to our public lands. In 2004, the U.S. Federal Lands Recreation Enhancement Act mandated the creation of a new annual pass to cover all federal recreation sites that charge an entrance or access fee.
Since the first paper on soil NOx emissions was published in 1978, the understanding of NOx flux from soil has grown enormously.
In this study, we have attempted to develop a land suitability model for saffron, an agronomic crop, which is economically viable, environmentally bearable and socially equitable at Khost Province of Afghanistan.
Data by efficiency of amelioration of chernozems is presented. Application of limy materials promotes stable displacement of reaction of medium about the neutral party. For displacement of reaction of medium for 0,1 units рН it is spent 0,55 - 0,88 T/hectare CaCO3.
Price discrimination and monopoly power in the provision of an intellectual property (IP) protected innovation are analyzed. A general analytical model parameterized with data from the US introduction of Bt cotton is used to examine welfare transfers from the imposition of price discrimination.
On the dry, flat, jack pine (Pinus banksiana Lamb.)-dominated ecosystems of the northern Lake States and eastern Canada, wildfire behavior often produces narrow, remnant strips of unburned trees that provide heterogeneity on a landscape historically shaped by stand-replacing wildfires.
The purpose of this paper is to empirically track the progress and consequences of the emergence of cultivated land markets in China since 2000.
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