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Displaying 1421 - 1425 of 1605Using traits of species to understand responses to land use change: Birds and livestock grazing in the Australian arid zone
The expansion of the artificial water-point network and livestock grazing in arid and semi-arid Australia has significantly increased access to water by water limited herbivores and thus has potential to seriously negatively affect the unique endemic flora and fauna. We examined the effects of the expansion of the water-point network on the arid and semi-arid zone bird community, using data from the Atlas of Australia bird surveys of 1977-1981 and 1996-2001. We examined whether traits of species could be used to uncover the critical ecological processes altered by this land use change.
Land-use/cover dynamics in Northern Afar rangelands, Ethiopia
This study uses a combination of remote sensing data, field observations and information from local people to analyze the patterns and dynamics of land-use/cover changes for 35 years from 1972 to 2007 in the arid and semi-arid Northern Afar rangelands, Ethiopia. A pixel-based supervised image classification was used to map land-use/cover classes. People's perceptions and ecological time-lines were used to explain the driving forces linked to the changes. A rapid reduction in woodland cover (97%) and grassland cover (88%) took place between 1972 and 2007.
Risk preferences, risk perceptions and timber harvest decisions — An empirical study of nonindustrial private forest owners in northern Sweden
A mail survey of nonindustrial private forest (NIPF) owners in two counties in northern Sweden was conducted to investigate the risk preferences of NIPF owners and their perceptions of the return and risk of timber investment relative to investment alternatives outside forestry. We also used the data collected from the survey to examine the relationship between the stated preferences, subjective judgements, and the observed and planned timber fellings.
Assessing the mitigation potential of forestry activities in a changing climate: A case study for Karnataka
The Clean Development Mechanism (CDM), Article 12 of the Kyoto Protocol allows Afforestation and Reforestation (A/R) projects as mitigation activities to offset the CO2 in the atmosphere whilst simultaneously seeking to ensure sustainable development for the host country. The Kyoto Protocol was ratified by the Government of India in August 2002 and one of India's objectives in acceding to the Protocol was to fulfil the prerequisites for implementation of projects under the CDM in accordance with national sustainable priorities.
evolution of the timber sector in lowland Bolivia: Examining the influence of three disparate policy approaches
This paper assesses the influence of forest policies on forestry development, and especially timber production, in Bolivia during three different periods of time. The first period began in the early 1970s when a conservative forest policy was adopted privileging commercial logging companies, and thus fueling land conflicts in particular with indigenous people, allowing a minority to accumulate considerable wealth, and marking the onset of forest degradation.