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politics of marginality in Wallowa County, Oregon: Contesting the production of landscapes of consumption

Journal Articles & Books
Décembre, 2012
États-Unis d'Amérique

The state of Oregon’s (USA) land use planning framework has long been characterized by tensions between state and local authority, between traditionally-defined “urban” and “rural” concerns, and between the competing interests of various landowners.

Performance evaluation and cost assessment of a key indicator system to monitor desertification vulnerability

Journal Articles & Books
Décembre, 2012
Europe
Asie occidentale
Afrique

A number of studies have dealt with the assessment of potential and actual desertification risk using composite indices. The Environmental Sensitivity Areas (ESA) approach, developed in the framework of MEDALUS project funded by the European Community, is one of the most used procedures to monitor land vulnerability to degradation in the Mediterranean region. The final output of this procedure is an index (ESI) composing four indicators of climate, soil, vegetation, and land management based on 14 elementary variables.

Integrating forest biomass and distance from channel to develop an indicator of riparian condition

Journal Articles & Books
Décembre, 2012

Living and detrital biomass in a riparian buffer zones ameliorate diffuse-source pollution originating from adjacent landscapes, with higher nutrient removal potential, particularly with respect to nitrogen and sediments, associated with more biomass (i.e., older forests). Pollution removal is mediated by sediment trapping and uptake of nitrogen by plants and by denitrification by microbial communities in root zones using organic matter and root exudates as energy sources.

Development and validation of two fish-based indices of biotic integrity for assessing perennial coolwater streams in Wisconsin, USA

Journal Articles & Books
Décembre, 2012
États-Unis d'Amérique
Amérique septentrionale

Perennial coolwater streams (maximum daily mean water temperature 20.7–24.6°C; 90th percentile annual exceedence flow≥0.0283m³/s) are common in the Laurentian Great Lakes region of North America, including the state of Wisconsin, but they lack specific and effective bioassessment tools.

Assessing rural landholders diversity in the Wet Tropics region of Queensland, Australia in relation to natural resource management programs: A market segmentation approach

Journal Articles & Books
Décembre, 2012
Australie

Government agencies in many countries are encouraging rural landholders to improve their land management practices in order to improve the health of the natural environment. The level of adoption of improved practices by landholders is, however, highly variable. Understanding the diversity of rural landholders is an important step in increasing the uptake of improved land management practices. In this study, we investigate the factors that influence landholders to adopt recommended practices and use this to provide insights into how to encourage greater adoption of these practices.