This article discusses the role of animals in small-scale crop/animal systems in Asia. It explains how the animals are generally multipurpose, rather than single or dual purpose, with security also being an important element. Farmers can be stimulated to produce more meat and milk when other forms of security such as banks are considered equally reliable. Multiculture is the predominant system of plant production in the region, with leguminous crops complementing non-leguminous crops. This also has benefits for soils. Multicultural systems are labour-intensive, but in a context in which labour supply is not a problem, labour-saving devices provide no solution. Animals in agroforestry are discussed in detail, with an emphasis placed on animals grazing under coconut and oil-palm plantations. Asian animal scientists should spend more time exploring the roles of multiculture and animals in agroforestry. 相似文献
The preferences of politicians are crucial in a representative democracy. In order to change policy, voters must elect politicians who prefer to do so. Party affiliation may signal preferences to voters, but preferences are also shaped by institutional factors, such as committee membership and social background. This article assesses whether political, institutional or social background explanations best explain spending preferences, based on a survey of 1,200 Danish municipal councillors. Simulations of the relative effect of such variables show that party membership is the most important explanation of spending preferences. Social background, including age, gender, occupation and education, has limited impact, but female, young and better-educated politicians are likely to prefer higher spending. The committee structure is more important. Standing committee membership and seniority have a substantial positive effect on preferences. Although spending advocacy does exist, guardians are harder to find. Even though the members of the economic committee are responsible for the overall economic situation, spending preferences among these politicians are not systematically different. 相似文献
This paper discusses changes in the level of knowledge, i.e. learning, as a key source of economic growth, and argues that historically a radical change in attitude towards new knowledge has been a necessary precondition for economic growth. The Renaissance created this radically new attitude in Europe, and this paper discusses contributions to economic theory and economic policy of some of the most influential scientists involved in this process: Francis Bacon (1561-1626) in England, and Leibniz (1646-1716) and Christian Wolff (1679-1754) in Germany. It is argued that these polyhistors viewed economic change as a dynamic knowledge-based process–a view that has important similarities with modern evolutionary or Schumpeterian economics. These similarities have so far not been recognized, and the paper suggests that modern economic theory would benefit from studying the theoretical and practical economics of these philosophers who laid the foundations for the industrial revolution. 相似文献
Manual localization of bone fragments on the ground or on complex surfaces in relation to accidents or criminal activity may be time‐consuming and challenging. It is here investigated whether combining a near‐infrared hyperspectral camera and chemometric modeling with false color back‐projection can be used for rapid localization of bone fragments. The approach is noninvasive and highlights the spatial distribution of various compounds/properties to facilitate manual inspection of surfaces. Discriminant partial least squares regression is used to classify between bone and nonbone spectra from the hyperspectral camera. A predictive model (>95% prediction ability) is constructed from raw chicken bones mixed with stone, sand, leaves, moss, and wood. The model uses features in the near‐infrared spectrum which may be selective for bones in general and is able to identify a wide variety of bones from different animals and contexts, including aged and weathered bone. 相似文献
Abstract Two separate literatures suggest that corruption and social trust, respectively, are related to economic growth, although the strengths of the relationships, and the direction of causality, are still debated. This paper reviews these literatures and evaluates the evidence for causal effects of corruption and trust on economic growth, and discusses how corruption and trust are interrelated. The reviews show that absence of corruption and high levels of social trust foster economic growth. The literatures also indicate that corruption has a causal effect on social trust, while the opposite effect is more uncertain. The conclusion offers the suggestion that fighting corruption may yield a “double dividend”, as reduced corruption is likely to have both direct and indirect effects on growth. 相似文献
The International Society for Forensic Genetics (ISFG) has established a Paternity Testing Commission (PTC) with the purpose of formulating international recommendations concerning genetic investigations in paternity testing. The PTC recommends that paternity testing be performed in accordance with the ISO 17025 standards. The ISO 17025 standards are general standards for testing laboratories and the PTC offers explanations and recommendations concerning selected areas of special importance to paternity testing. 相似文献
Domestic violence forces many families to flee to emergency accommodations. This article focuses on children’s experiences of schooling and life at confidential addresses, and to what extent their legal right to education in the face of domestic violence is safeguarded in practice. Data were collected from interviews with 20 children aged 6–16 with multiple relocations at Norwegian refuges for abused women. Interviews were coded using the constructive approach to grounded theory. Data were analyzed using Antonovsky's theory and interpreted within the context of Norwegian and international law, examining the rights of children to education versus the legal rights of abusers. The findings indicate that children’s rights to education and a life without violence may be sacrificed in favor of due process for abusers. The article suggests concrete protective measures to help safeguard these rights, and calls on policymakers and support agencies worldwide to rethink their policies and practice.
Alberto Melucci: Liberta che cambia. Una ecologia del quotidiano (Liberty that changes. An every‐day‐ecology). Edizioni Unicolpi, Milano, 1987. Roberto Biorcio/Giovanni Lodi (eds.): La sfida verde. Il movimento ecologista in Italia. (The green challenge. The ecological movement in Italy). With an introduction by Alberto Melucci. Liviana Editrice, Padova, 1988. Vandana Shiva: Staying Alive: Women, Ecology and Development. In the U.K., Zed Books, London. In India, Kali for Women, 1988 相似文献