论马克思自然观的当代价值

马克思主义理论博大精深,自然观是其中极为重要的思想,在当代生态环境危机日益严重的今天,重新审视马克思的自然观非常必要。文章通过对马克思自然概念的历史考察,诠释了马克思自然观的基本内容：人在自然界中具有双重地位、人与自然的发展是相互协调发展、人与自然的关系和人与人的关系是内在统一的;并分析了马克思生态自然观对我国生态文明建设的理论价值和实践意义。     

浅析新疆少数民族外语教育的文化生态环境

本文从文化生态环境的角度,对新疆少数民族独特的文化习俗、思维方式、价值取向和社会心理以及独特的语言文化进行描述,指出新疆少数民族外语教育的文化生态环境有不平衡现象,具体表现为：外语基础教育文化生态不平衡;学校和民族院校内部的文化生态不平衡;新疆少数民族文化与主流文化和英美文化之间的冲突。针对以上现象,作者提出推进多元文化整合下新疆少数民族外语教育的措施;加强少数民族基础外语教育建设;增加课程设计的民族性与多元性;重视文化因素的导入。     

“It's Just an Image,Right?”: Practitioners’ Understanding of Child Sexual Abuse Images Online and Effects on Victims

Child sexual abuse images online (CSAIO) present new and daunting challenges for practitioners working in the field of child sexual abuse (CSA). Current understanding of the phenomenon is severely limited due to a lack of theoretical and empirical research in the area. This article reports findings from a study that examined practitioners’ experiences with, and views of, CSAIO. Participants differed in how they conceptualized what constituted online CSA images and held varying degrees of concern regarding the potential effects of CSAIO on the child. Some practitioners were uncertain about whether child victims of CSAIO experience particular effects different from or over and above those caused by conventional (non-Internet related) CSA. A key finding was that most practitioners did not have a clear understanding of CSAIO. This article includes recommendations for future research regarding the implications of technology in the field of CSA.     

Situational Analysis: Centerless Systems and Human Service Practices

Bronfenbrenner's ecological model is a conceptual framework that continues to contribute to human service practices. In the current article, the author describes the possibilities for practice made intelligible by drawing from this framework. She then explores White's “Web of Praxis” model as an important extension of this approach, and proceeds to offer Clarke's “Situational Analysis” as another fruitful tool for practitioners who seek relational ways of engaging with clients. With the example of a practice scenario, readers can consider the practical possibilities that open up with the shift in perspective invited by situational analysis.     

The EROI of agriculture and its use by the Via Campesina

Via Campesina supports peasant and small farmer agriculture both in the South and in the North. Its basic doctrine is that of ‘food sovereignty’. It is a movement that defends an ‘ecological neo-Narodnism’. Among the analytical tools used by this international peasant movement is the comparison between the energy efficiency of traditional small farm agriculture and modern industrial agriculture. This article briefly recalls the history of agricultural energetics, and then looks at the use of the concept of EROI (energy return on energy input) by Via Campesina when it claims that ‘industrial agriculture is no longer a producer of energy but a consumer of energy’, and that ‘peasant agriculture cools down the Earth’. The absence in Marxism of a tradition of analysis of energy flows is also reviewed here, since it is of interest in order to bring together the classic economic concept of decreasing returns with the more recent notion of a declining EROI. The article also draws on work analysing how environmental activists use concepts from ecological economics, while at the same time ‘activist knowledge’ contributes to ecological economics in a two-way communication between activism and science.     

论利益衡平视域下湘江流域生态补偿

摘随着社会经济的高速发展,湘江流域上下游地区的生态环境保护和经济发展之间的矛盾和冲突加剧,而生态补偿作为利益平衡机制之一,是解决这一矛盾冲突实现环境正义促进湘江流域地区可持续发展的有效途径。尽管已经开始进行试点工作,但仍需从以下几方面完善湘江流域生态补偿机制：一是尽快出台《湘江流域生态补偿办法》;二是明确湘江流域生态补偿法律关系的主客体;三是明确生态补偿的范围和标准;四是湘江流域生态补偿方式应当多元化;五是完善湘江流域生态补偿的监管、评估和激励机制、建立合理的干部考核机制：六是培养湘江流域公众生态补偿意识。     

宁夏生态环境保护与可持续发展

在未来的发展中,宁夏必须实施可持续发展战略,遵循经济社会发展规律,使经济建设与资源、环境相协调.     

试论解决生态危机的根本出路

近现代以来形成的现代性社会,本质上是排斥自然的以人类为中心的社会,是反自然和征服自然的社会,是掠夺自然的奢侈性社会.这种社会必然造成对生态环境的破坏.为了保护自然环境和维持生态平衡,进而维护人类社会的可持续发展,需要改造与自然不协调的社会结构和反自然的社会本质,由人类社会走向生态社会,反自然的社会走向环境友好型社会,奢侈型社会走向资源节约型社会.     

Using data on offender mobility in ecological research

This article presents some findings on neighborhood structure, police recorded crime, and offender mobility for the city of Utrecht, the Netherlands. The highest crime rates were found in the inner-city neighborhoods. The findings further show that the occurrence of different types of petty crime in residential neighborhoods is associated with different neighborhood characteristics. It was found that offenders reside predominantly in lower-social status neighborhoods. Using data on offender mobility it is shown that violent crime and vandalism are the more locally committed crimes, as compared to residential burglary and other property crime. Finally, it is proposed that data on offender mobility can be used to gain more insight into the link between certain neighborhood characteristics and crime.     

onably estimate American options.Because Monte-Carlo simulation is a forward ind

is unable to correctly value American options.Binomial tree can be applied to pricing of all kinds of options,but it has a lot of flaws,such as accuracy.So when the number of step is very small,it affects the accuracy of the American options