The soil acidification and the pH-value of the soil have been discussed for many years. Many observations of the tree species effects on the soil pH have been done. We have discussed the effects on the soil surface pH-value with a birch (Betula spp. L.) admixture in Norway spruce stands (Picea abies L.).We have used data from the Swedish National Forest Inventory. We have also discussed how the wood production and the biodiversity can be increased in mixed stands, in according to the Swedish forestry act Skogsvårdslagen. Our sampling areas are located in Norrland, Sweden. The results show a significant correlation between an increased birch admixture and an increased pH-value of the soil.

Biological diversity is one out of four dimensions, characterizing the subject of Biology ac-cording to the school curriculum. As a concept, biological diversity had its break through at the UN environmental conference in Rio de Janeiro in 1992, where the convention about bio-logical diversity, named CBD, was signed. According to the convention, almost all the na-tions of the world have engaged themselves to preserve the national diversity of species, in-cluding the diversity of genetics and ecological systems.This thesis focuses the biological diversity from the perspective of school books. The aim is to find out how the biological diversity is presented in biology books for students aged 12-15 years.In 1994, the current Swedish secondary and high school curriculum called LPO-94 was pre-sented. The biology books used in this study were published between 1994 and 2007, all of them exist in many editions and are published by three different publishers.The conclusion of the study is that all the biology books that were examined have reached different levels of the development in the field of biological diversity..

Our surroundings are currently vulnerable. People can not know when or how to expect nor prepare for a disaster or an accident. The purpose of this essay was to perform a study of the organization and accessibility of psychological and social support in a crisis situation within the community of Lund.To be able to carry out this study we put up a couple of questions that we hoped would guide us, for example; how do the community prepare and set up the service for people in need of support in connection to a crisis situation? As a method we have used qualitative interviews and literature.The results of our study have shown a discrepancy between the ways the community organizes their service for people in a crisis situation caused either by a catastrophe or an untimely death. In case of an untimely death, ordinary resources are estimated to be sufficient while in case of a catastrophe, extraordinary resources are required.

Reliable methods to analyze food for the presence of almond are important ? not only for those allergic to almond, but also for monitoring the compliance with labelling regulations (EG directive 2003/89). Until now the Swedish National Food Administration has used methods like rocket immunoelectrophoresis and real-time PCR to detect almond in food. These methods are, however, not sensitive enough for protecting the most sensitive individuals. Therefore, the performance of a commercial ELISA kit was tested with regard to specificity/cross reactivity and limit of detection for almond both in solution and in different matrixes.The limit of quantitation was at least 3,1 ppm (mg/kg) in solution and similar concentrations were measured in bisquits and chocolate.

Today we are living in a time were impulses from other places and cultures constantly grow and the contact over the boundary is getting bigger. We se satellites pictures over the world, we hear about worldwide ecological problems, we learn about other different lifestyles, we cock food that are inspired from the worlds many kitchens, we shop more and we can travel to different parts of the world. My problem was to find out how cultural phenomenon spreads to a greater extent global and how this transference take place, but also be able to se what factors that has a part in the cultural spread.What I found with help from my literature study was that trough improved communication and transports has gained mobility in the world and people can take part off others culture.The world is shrinking and this means that human beings identity is changing and this create a so-called hybrid mixture. Culture is what we human beings create. Culture can be seen as a community phenomenon for the most parts.

The European Union's long-term budget negotiations during the summer of 2005 were obstructed from being successful due to a quite fierceful debate about the future guidelines of the Common Agricultural Policy. A quarrel about money and who gets what, was the common answer as to why it took the European leaders six months to accept the budget, and quite rightfully. This essay, however, goes beneath those explanations and tries to see what other reasons there might be for such a phenomena.With a new institutionalistic approach this study seeks to see what underlying reasons for why an institution such as CAP is so resistant to change. With special attention to the new historical institutionalism and the rational choice institutionalism the study successfully shows that though the front laying reasons to the problems with the budget might have been economical, several other factors also affected the outcome of the budget negotiations.Structures, national identity and decisions taken when outlining the Common Agricultural Policy in the 1960's still affect the European union, its members and foremost of all, the Policy/institution itself..

Water is our most important provision and its quality is above all dependent on the geological conditions in the area from where it is extracted. Due to geological properties there are certain areas with an elevated risk of high uranium levels in the ground water, which in turn constitutes a risk for human health. Consumption of water that contains a high concentration of uranium implies a health risk due to the chemical characteristics of uranium. Livsmedelsverket (The National Food Administration) and Socialstyrelsen (The National Board of Health and Welfare) therefore recommend that precautionary measures should be taken when the uranium concentration in ground water exceeds 15 micrograms per litre. In particular, drinking water collected from wells in areas with uranium-rich bedrock may have a harmfully high level of uranium. One of the wells of the Ärla water purification plant, located near Eskilstuna, Sweden, contains water that exceeds the guideline of 15 micrograms per litre. One interesting technique for removing uranium from drinking water is adsorption to reactive filter materials.

The purpose of this study is to investigate how two elementary schools work with Swedish and Swedish as a second language through four teachers thoughts and perceptions. My issues are: How do the teachers perceive the Swedish classes in the school, and how do they perceive that they are conducting it? Which examples of material for teaching do the teachers show me and how do they use it in each school? Do the work with Swedish and Swedish as a second language in the multi-ethnic school and the more mono-ethnic school differ according to how the teachers perceive they are conducting it? Do the teachers think that the equivalent education that is part of the curriculums values and mission always is maintained and why/why not? My study is performed from a sociocultural perspective. My conclusions are that the teachers from the multi-ethnic school are more aware of how to work with Swedish or Swedish as a second language regardless of the students ethnic or national origins. Some aspects of how the teachers work with Swedish are equal with each others, but there are differences to.

Abstract  This paper examines the Copenhagen Climate Conference held in the Bella Center in Copenhagen, December 2009. The aim of this paper was to analyse the highly anticipated conference, and why it did not result in a binding protocol between the world?s states. The focus of this paper was to examine two key actors in the Copenhagen negotiations: the people?s republic of China and the European Union.

The aim of this university paper was to understand how eight former clients at Staple reformatory had experienced their stay there. The clients at Staple are young people between 13-20 years old, both boys and girls.The basic questions were: What picture do the clients have of the treatment they received?What has been, from their perspective, the most important during their stay? Do the clients think the time spent at Staple has helped them? And how do they describe their change, if there was any?We gathered the information from the youngsters with qualitative interviews based on a manual divided into covering different themesWe found that the time at Staple had been very positive for all the former clients that we interviewed. They described the relations with the staff at Staple as central for their rehabilitation. The most important task for the people that work there is to set a good example for the client, and to be role models.

During my practice as a teacher trainee at an upper secondary school it became clear to me that many pupils have difficulties with algebra. Also in a report from the National Agency for Education (1999) you can see that the students algebra knowledge get worse and worse. I was surprised to find that many pupils seemed to get stuck on the level of attainment for the senior level of the nine-year compulsory school. As I have not studied anything about difficulties in algebra during my training to become a qualified teacher I would like to get to know more about this. I also examine why you have to study algebra in upper secondary school.

Demag Delaval Industrial Turbomachinery (DDIT AB) i Finspång tillverkar gasturbiner.I dessa finns det ledskenor/skovlar som arbetar i så varma områden att de måste kylas för att få rätt livslängd. Vid nytillverkning och reparation mäts kylflödet genom respektive skovel/ledskena för att säkerställa att flödet och därmed kylningen ligger inom tillåtna gränser. Mätningen görs med hjälp av en flödesrigg.Denna rigg består av en ventil för inställning av luftflöde, utrustning för mätning och reglering av flödet och anslutning för den aktuella komponenten.Vid DDIT har en datorreglerad flödesrigg tagits fram för att användas vid kontroll av ledskenor/skovlar. Riggen fungerar, men tryckregleringen behövde förbättras.I detta arbete har reglerventilen och flödesriggen studerats för att kunna automatisera mätningarna. Olika reglermetoder har utvärderats.För regleringen används PID Control Tools från National Instrument?s LabVIEW®.

Purpose/Aim : The aim of this study is to investigate and describe "kontaktmannaskapet" in the Swedish correctional system. I also aim to investigate if there are any differences between how the different actors involved in the correctional system look at this phenomena and how different sociological theories can be applied on "kontaktmannaskapet" in order to make it more comprehensible for the actors involved.Material/Method : This investigation is based on a larger qualitative inquiry consisting of several personal interviews. Further material has been used, such as literature and reports about "kontaktmannaskapet" inside and outside the correctional system.Main results : The overall opinion about the "kontaktmannaskapet" is positive. "Kontaktmannaskapet" as a working method of the correctional officer has a potential to become a useful instrument in rebuilding the lost identy of the inmate as well as reducing the stereotypes often associated with the relationship between inmates and prison personnel..

Our purpose with this essay is to examine how staff that works with drugaddicts in compulsory-treatment institutions for women and men uses gender in their work. We are trying to get knowledge and understand how the staff is using their own and the client's gender in the work that they are doing. We have chosen to take focus within women's care in institutions and compare if the work is done in the same way with male clients.Our essay is based on interviews with treatment-staff. We have used a qualitative method. The interviews are made with both men and women.

This study´s focus was a group of participants of a social movement called The Zeitgeist Movement. The purpose of this study was to understand and convey what causes participants of this movement to engage despite that the prevailing culture teaches them otherwise.With qualitative methodology of participatory observation and semi-structured interviews with ten participants, our objective has been to answer the following questions: What are the driving forces that make these people act, which approach do they have to ?reality? and how do they relate to it, and what are the potential consequences with this approach?The study has shown that their critical and questioning attitude towards their perception of reality and their social constructivist view of it lead to conflicts between them and their fellowmen. The data was then analyzed with Alfred Schütz phenomenological theories in synthesis with Zygmunt Baumans critical societal analysis and theories.The study's focus was on the Gothenburg chapter of the Swedish Zeitgeist Movement. We did not make any comparisons with other national or international chapters of the movement..