Thinning is the partial removal of trees in a forest stand prior to final harvest. The term can be divided in pre-commercial thinning where little if any volume is removed from the stand and commercial thinning where removals are intended to provide a positive economic result. From a silvicultural point of view, the goal of thinning is to enhance future crop tree quality by removing low-quality stems and providing sufficient space for the accelerated development of retained ones (Huuskonen & Hynynen, 2006). The goals of this study was to see if commercial thinning could positively affect the short and medium term timber supply (MTTS) in the Interior regions of British Columbia (BC), and whether or not Scandinavian forestry practices could be adopted in the BC context. The mountain pine beetle (Dendroctonus ponderosae Hopkins) has created significant forest planning problems in BC. The annual allowable cut (AAC) was raised to capture beetle-killed timber while still merchantable.

AbstractThe purpose of this paper is to examine how the population living in Christiania considers their residential area in relation to the surrounding society, and why you as an individual choose to live there. We have used the qualitative method and we have performed interviews with a total of six persons. We have used Tönnies two notions regarding gemeinschaft and gesellschaft, and Goffmans theory about stigma. We choose these theories because we thought that they were most relevant for our study. Our question at issue is: Why does a person seek to live in an alternative society, with different norms in comparison to the majority society? Through our interview persons we learned their stories and their opinions considering their residential area and we concluded that Christiania differs from the remaining society in several ways.

Detta är ett arbete som genom observationer och intervjuer av live-ljudtekniker utröner om varför de väljer den ljudnivå de har på sina konserter och om dessa ljudnivåer kan vara skadliga för deras hörsel. Med hjälp av en mediator (ljudtrycksmätare) har ljudnivåer mätts upp och de värden som har använts till arbetet är max ljudtryck och medel-ljudtryck. Intervjuerna har gjorts för att ta reda på hur teknikerna väljer sin ljudnivå och mätningarna har gjorts för att kolla om nivån är skadlig. Arbetet visar att på två av fem uppmätta konserter var ljudnivån för stark. En lista över saker som påverkar valet av volym har gjorts.

To design new and high tech products the engineers rely more and more on computer based simulations to investigate the properties and behavior for a component or system.To verify these computer based simulations the dynamic properties for the components of the drivetrain needs to be verified. Therefore measurements of the stiffness and vibrations for the rear axle has been performed. This report show how the measurements has been implemented and evaluated, along with some interesting results for the rear axles properties.The static stiffness for the drive shaft along with the axle-gear has been determined. It is found that the stiffness for the whole rear axle is near the stiffness for the drive shaft, which means that the drive shaft becomes the dominant component of the system and affects the rear axle stiffness the most. The measured stiffness of the driveshaft is close to its theoretical stiffness.The stiffness for solely the hypoid-gear have been calculated using the stiffness for the rear axle and driveshaft, and thus has a range for the stiffness of the hypoid gear been determined.The backlash for the whole rear axle and for some individual components has been determined, where the backlash between pinion and crown-wheel has negligible impact on the total backlash.Measurements of the crown-wheel and pinion movements have been conducted, where the direction of movement is consistent with the theoretical direction of the forces.The vibration measurements show that the vibrations are more severe at certain rotational speeds.

The aim of this thesis is to analyze children?s picture books regarding whether and in what form gender stereotypes can be seen in these. The purpose is also to evaluate whether the findings correlate to the different regulatory documents libraries have to abide to.       The study comprises five books, who are part of a selection of books especially chosen by Uppsala City Library to be used by primary school children aged 6-9. The method used is the study of text as well as illustrations, as the theory of this thesis is that the two cannot be separated, but has to be seen a unit. Other theories used in the analysis include Nikolajeva?s schedule of male/female properties and theories on gender.      The result of the study shows that gender stereotypes are in majority regarding the characters in the books, but that the opposite also exists.

The objective of this work was to evaluate and implement a number of energy saving functions for a specific embedded system. The functions were then grouped into a number of energy levels with known properties in terms of functionality, energy consumption, and transition time between the levels.The embedded system consisted of an AT91 ARM9 processor, GSM/GPRS modem, display, Ethernet and other peripheral units. Some energy saving methods that were considered were suspend to RAM, suspend to disk, frequency scaling, and methods for saving energy in the modem, Ethernet, USB and display backlight. The functions were grouped into levels and an interface was specified for controlling the energy level.It proved possible to get known properties within the defined energy levels, even though the paritioning of functions into these levels proved to be sub-optimal in a typical application usage scenario because it was designed for mainly energy consumption, not usage.The final result is a number of energy saving functions grouped into levels, which are controllable via an application interface. Each of the levels have a known energy consumption in both loaded and un-loaded mode..

The purpose of this report is to collect, compile and complement the scientific and experience based knowledge concerning high pressure fire fighting today. The goal is to produce a decision data for the Rescue Service concerning the use of high pressure systems for fire fighting. Focus is on hose reel high pressure systems but other systems are discussed too. The report begins by describing the technical properties of the different systems. Then the fire fighting properties are evaluated, including manoeuvrability and safety for users.

The aim of this work is to demonstrate how the net present value (NPV) at the time of the first thinning depends on the spacing after pre-commercial thinning, and show how net value from first thinning in same stand is influenced. This study is performed with models based on non-distant dependent growth models for single trees. Two different growth models have been used, one for cleaning (pre-commercial thinning) and one for thinning. The first one yields stem density distributed over diameter classes. In the second one, (the thinning model), it is possible to choose when thinning should be done, the thinning method, thinning grade and numbers of thinning.

The objective of this work was to evaluate and implement a number of energy saving functions for a specific embedded system. The functions were then grouped into a number of energy levels with known properties in terms of functionality, energy consumption, and transition time between the levels.The embedded system consisted of an AT91 ARM9 processor, GSM/GPRS modem, display, Ethernet and other peripheral units. Some energy saving methods that were considered were suspend to RAM, suspend to disk, frequency scaling, and methods for saving energy in the modem, Ethernet, USB and display backlight. The functions were grouped into levels and an interface was specified for controlling the energy level.It proved possible to get known properties within the defined energy levels, even though the paritioning of functions into these levels proved to be sub-optimal in a typical application usage scenario because it was designed for mainly energy consumption, not usage.The final result is a number of energy saving functions grouped into levels, which are controllable via an application interface. Each of the levels have a known energy consumption in both loaded and un-loaded mode..

This is an essay about gated communities and their impact on society. The key questions of my essay are: why people choose to live in gated communities; how the city is impacted by gated communities and what the difference concerning the reasons and impact of gated communities in Florida and Sweden is, and what this difference might depend on. I am using postmodern urbanism as a starting point, and I look closer on Edward J. Soja?s theories about the postmodern metropolis.

The global Positioning System (GPS) provides location and time information as long as there are unobstructed lines of sight to four or more GPS satellites. However, when this is not the case the signal may be inaccurate or sometimes even completely blocked. In these situations the Inertial Navigation System (INS) is an appropriate choice for positioning.  An INS has already been proposed in a previous thesis by Erik Andersson and the objective of this thesis is to fuse the GPS with the INS in a proper way. A part of this project is to decide the reliability of the GPS.Three methods for GPS reliability detection have been proposed. One method based on the statistical properties of each of the separate systems, and two methods based on the statistical properties of the residuals between the GPS and INS.

Swedish listed property companies report their investment properties under the standard IAS 40 that gives the opportunity to value investment properties to either historical cost or to fair value model. One problem with the fair value model is that there is no observable market price since the real estate market is far from complete which means that the price of the asset is hard to determine because of the limited information.IAS 40 gives companies the opportunity to choose between internal or external valuation and this study aims to show how the property companies? values appeared between the years 2007-2011. From the result we will study if there could be a difference in the outcome depending on if the company chose either internal or external valuation.To investigate this we observe all Swedish real estate companies listed on OMX Nordic Stockholm and their financial reports during this period of time and complement this information by interviewing people working with these matters in the property companies. The methodology for the study is therefore partly quantitative and partly qualitative since we collect data both from financial reports and from interviews.

Purpose: The purpose with this study is to clarify what importance a co-occurrence event can have on a smaller town, and also what positive and negative consequences it can have on the town seen from a social, economic and political aspect. I will also look at what magnitude the festival have on the local commercial and industrial life and how it affects those who live there. I will also determent how the moving of the festival might come and affect the local businesses, the local population and the community it-self.Method: I will thorough-out this study work with qualitative research methodology. I will there-for process the empirical data that will be collected and used for this study from a qualitative research methodology point of view. I will likewise go through with two deep-going interviews with people well familiar with the subject to increase and strengthen the validity of my study.

When farm animals are transported there are several factors that can affect their welfare. If the vehicle has an accident the welfare of the animals transported will probably be compromised. The aim of this study was to make a survey of accidents with animal transportation vehicles in Sweden. The survey included the number of accidents from January 2000 to May 2014, the cause of the accidents and how the animal welfare was affected by the accident. The authorities which were likely to have reports about accidents involving animal transports were contacted. There were no collected records about transportation accidents and the authorities referred to eachother for information.

In this study we examine to what extent people with disability participate in television news and how they are represented. We chose to examine one broadcast per day of SVT Public Service news program Rapport and commercial channel TV4 Nyheterna (TV4 News) during one month using quantitative content analysis and qualitative discourse analysis.We found that people with disability are underrepresented in television news. In Rapport only 1,9 percent of the total broadcasting time contained people with disability and in TV4 Nyheterna 3 percent of the total broadcasting time contained people with disability. In the news people with disability were often represented as stereotypes, most commonly as victims. The focus was often on the medical aspect of the disability and on the problems that people with disability had.