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Displaying 356 - 360 of 1605

case study of the Czech agriculture since 1918 in a socio-metabolic perspective – From land reform through nationalisation to privatisation

Journal Articles & Books
Dezembro, 2013
Eslováquia
República Checa

This article explores the development of the social metabolism of Czech agriculture over the past 80 years and aims to describe the complex agricultural system from a biophysical perspective. As a Central European country, the Czech Republic's political system has experienced a number of turning points and changes in its history. Using the social metabolism concept and the material and energy flow method of analysis this article looks at the system from a biophysical perspective and explores the interactions between the economic system and nature.

Potential ecological distribution of Cytauxzoon felis in domestic cats in Oklahoma, Missouri, and Arkansas

Journal Articles & Books
Dezembro, 2013

The ecological distribution of Cytauxzoon felis, an often-fatal tick-borne apicomplexan that infects domestic cats, has not been evaluated or identified despite its continued emergence. Infection of C. felis is characterized by lethargy, icterus, fever, anorexia, anemia, and death. The natural vertebrate reservoir of C. felis is the bobcat (Lynx rufus). To determine the possible distribution of C. felis in three states where infection is common (Oklahoma, Missouri, and Arkansas), two separate approaches to ecological niche modeling were implemented.

Land institutions and supply chain configurations as determinants of soybean planted area and yields in Brazil

Journal Articles & Books
Dezembro, 2013
Brasil

Soybean production has become a significant force for economic development in Brazil. It has also received considerable attention from environmental and social non-governmental organizations as a driver of deforestation and land consolidation. While many researchers have examined the impacts of soybean production on human and environmental landscapes, there has been little investigation into the economic and institutional context of Brazilian soybean production or the relationship between soy yields and planted area.

Regional impact assessment of land use scenarios in developing countries using the FoPIA approach: Findings from five case studies

Journal Articles & Books
Dezembro, 2013
Indonésia
Quênia
Índia
Tunísia
China

The impact of land use changes on sustainable development is of increasing interest in many regions of the world. This study aimed to test the transferability of the Framework for Participatory Impact Assessment (FoPIA), which was originally developed in the European context, to developing countries, in which lack of data often prevents the use of data-driven impact assessment methods. The core aspect of FoPIA is the stakeholder-based assessment of alternative land use scenarios.

assessment of long-term overtopping risk and optimal termination time of dam under climate change

Journal Articles & Books
Dezembro, 2013
Taiwan

Reservoir management faces a wide range of new challenges resulting from the impact of climate change. One set of challenges arises from the non-stationary nature of hydrological conditions. Another crucial issue is watershed sedimentation, which can significantly influence the sustainability and safety of reservoirs. To address these concerns, this study developed a framework for the management of reservoir risk. An analytical conceptual model coupling physical governing relationships and economic tools was proposed, which was then applied to the Shihmen Reservoir in Taiwan.