A large number of rivers in northern Sweden have hydropower developments that cause negative effects on both up- and downstream migrations of anadromous species like Atlantic salmon. So far, most attention has focused on the hindrances of adult fish during their upstream spawning migration. However, since turbines in power stations cause losses on downstream passing fish, the focus on negative effects on smolts has increased. The aim of this study was to compare three different causes of losses of salmon smolts passing downstream through a power station area in the flow-controlled River Åbyälven in northern Sweden.A total of 61 wild salmon smolts were caught and radio-tagged in the River Åbyälven during their downstream migration in June 2009. The salmon smolts were released at three locations, 1.1 km upstream from the power station, in the turbine intake and in the upper part of a fishway, acting both for up- and downstream fish passage.

This study was done regarding whether sealing or ventilation is the best solution to prevent moisture on cold attics. The authors of this report addressed the problem with moisture in attics when they started their cooperation with Peab.The methods included interviews with people, database research, and calculations of a project in Akersberga north of Stockholm. The conclusion is based on interviews and other information as they are analyzed in relation to the house of reference. The focus of this report is on problems with moisture in the attics known as cold attics.The background of the problem with moisture is that today?s slabs are usually insulated to save energy and that the attics nearly gives the climate as the outdoor climate.

People in Sweden have more and more dogs in their care, and several of these dogs are kept in kennels in back yards for various reasons. According to Swedish animal welfare legislations the need for social contact for dogs has to be met. However, there are few details presented on how to meet the need and when it can be considered satisfied. Does the dog need human contact to fulfill the need, or is the company of other dogs enough? This study aims to specify what can be acceptable when it comes to fulfilling dogs? social needs in accordance with the Swedish animal welfare legislation.

This thesis has been performed at Scania CV AB Technical Centre in Södertälje and its aim hasbeen to study the causes and effects of deformations in the interface between the rear axlehousing ADA1100 and the central gear house R780 during operation. Design changes that wouldincrease the sealing capability of the studied interface are also suggested. Finite element (FE)and CAD software have been the primary tools in this study.Finite element (FE) simulations are used in the industry to predict and develop engineeringdesigns. The main motive for FE simulations has traditionally been to identify weak spots in thedesign, regarding high tensions and large deformations.The FE model is an aggregation of submodels and interface models that represents the rear axlehousing, suspension, central gear, central gear housing, wheels, bolts and weldings, and theirinteractions. The submodels have different material properties and they are connected withcontact interface models.Boundary conditions are defined on the bushings in front of the rear axle and on the air bellowsbehind the rear axle.

This study will identify the environmental impact in terms of carbon dioxide for a boiler house on behalf of Kvänum energi. The boiler central consists of a main building, which in turn contains multiple components such as boilers, pipes, etc, the boiler central uses pellets fuel. It also includes a silo and an ash container. The total weight of the boiler is about 63 tons. Each boiler has an output of 600 kW; the central includes three boilers with room for a fourth if necessary.

Housing construction very close to the lake Mälaren has become very popular today. One potential problem with these houses is the influence of the sea climate. Unprotected buildings are affected by strong winds and precipitation. So for that reason, it is very important to make an accurate climate investigation and use it for decision-making during the planning of the new settlement.It is very important with a good moisture protection regarding pelting rain, that is the combination of wind and rain. This is more important for buildings close to a lake, as this location normally means a higher exposure to wind.

Organic agriculture is financially promoted in Sweden by special environmental support and as consumers we are all encouraged to buy organic food. At the same time scholars at the Swedish University of Agricultural Sciences claim that organic farming does not provide any environmental benefits. The main criticism is that organic farming has lower yields than conventional, which means that more land is needed to produce the same amount of food as in conventional farming, leading to deforestation and loss of biodiversity. As for climate change, the critics claim that the significantly higher productivity in conventional crop production compared to organic, releases surplus land, which could be used for bio-fuel production and thereby replace the fossil fuels. The critics also claim that organic farming causes higher nutrient leaching than conventional.

Abstract   This degree project comprises 30 credits, i.e. 20 weeks of work. The work mainly deals with the energy balance for a multi-family house in Västerås and the requirements for energy conservation in the Swedish building code, BBR. Calculations of the energy balance are supplemented by a number of interviews. Energy conservation in general has become more important in recent years and the subject is in line with increased public awareness. This importance and attention is explained by environmental problems in general and global warming in particular, but also by rising energy prices.

My master?s thesis is a study of acquisition of photographies during 1958-2008. The questions I proceed from is what patterns lies behind the Royal library's acquisition of photography and how the process of acquisition looks like. The theoretical base which I lean on consists partly of a problematization of the process of cultural heritage and partly of organizational theory. The problematization of the process of cultural heritage is my foundation of this essay.

Att tillägna sig sin bostad är en viktig aspekt för att kunna känna sig hemma i sin egen bostad. Arkitekten Ola Nylander presenterar i sin forskning sju egenskapsfält (material och detaljer, axialitet, omslutenhet/öppenhet, rörelse, rumsfigurer, ljus och rumsorganisation) som kan fungera som måttstockar för hur väl en lägenhet går att ta till sig. Uppsatsen utgår från de sju egenskapsfälten och undersöker, genom dem, hur de boende upplever trivseln i sin bostad. Alla bostäderna i undersökningen är placerade i ett passivhus på fastigheten Flaggskepparen 5 i Västra Hamnen Malmö. Syftet med uppsatsen är att undersöka vilka egenskapsfält som är viktiga för hur de boende upplever trivseln i ett nyproducerat passivt flerbostadshus. 9 stycken kvalitativa intervjuer har därför genomförts med de boende i fastigheten. Dessa intervjuer har varit mellan 20 och 60 minuter långa och genomförts på plats i respondenternas lägenheter (alla utom en).

An increased awareness about the global warming has created a demand for more information on how the climate is affected by different activities.This master thesis was initiated by Tricorona, a Swedish company that offers its customers analysis and calculation of their climate impact. Tricorona also supplies climate neutralisation with CERs, in accordance with the Kyoto protocol and controlled by the UN. This work demands updated emission factors for greenhouse gases. An emission factor gives information about the greenhouse gasintensity of a service or a product [kg CO2-eq./ functional unit].The purpose of this thesis is to examine how electricity, district heating, hotels, taxis, food and materials affect the climate and how emission factors for these areas can be calculated.This was done by reviewing and comparing different studies and by interviewing experts. The information was evaluated and recommendations on calculations and emission factors were made.The consumption of energy is the main source of greenhouse gas emissions for district heating, electricity, hotels, taxis and materials.

This study was done regarding whether sealing or ventilation is the best solution to prevent moisture on cold attics. The authors of this report addressed the problem with moisture in attics when they started their cooperation with Peab.The methods included interviews with people, database research, and calculations of a project in Akersberga north of Stockholm. The conclusion is based on interviews and other information as they are analyzed in relation to the house of reference. The focus of this report is on problems with moisture in the attics known as cold attics.The background of the problem with moisture is that today?s slabs are usually insulated to save energy and that the attics nearly gives the climate as the outdoor climate.

Klimatfrågan är idag mer aktuell än någonsin tidigare. Detta beror på den akuta situation som vi levande på jorden faktiskt befinner oss i. Det har nästan alltid funnits hot mot vårt klimat, men det är först idag som vi tydligt börjar se följderna av vårt tidigare handlande och det jag syftar på är den förstärkta växthuseffekten och dess konsekvenser. Syftet med studien är att utifrån en lärandesituation i form av ett rollspel beskriva elevers handlingsberedskap och känslor kring växthuseffekten. Frågeställningarna är följande.

Byggsektorn står för en stor del av de emissioner som påverkar klimatet negativt. Byggmaterial baserade på trä påverkar den globala miljön mindre negativt jämfört med alternativa byggmaterial som betong. Trähusindustrin kan därför anses ta ett miljömässigt ansvar eftersom deras produkter har en lägre klimatpåverkan, vilket bidrar till att minska byggsektorns totala miljöpåverkan. Informationen om träbyggandets klimatfördelar behöver också kommuniceras för att skapa möjligheter för kunden att göra miljömedvetna val vid köp av hus. Idag tenderar trähusindustrin att marknadsföra kostnadseffektiva fördelar i större utsträckning än miljömässiga sådana.

Syfte: Som blivande fastighetsekonomer ville vi finna mer kunskap om ämnet outsourcing och om hur fastighetsföretagen tänker och agerar kring detta.Outsourcing känns för oss verklighetsförankrat och inspirerande, och vi hoppas vår studie ska bidra med förståelse för vad som styr valet av outsourcing samt ge en inblick i hur dess framtid kan komma att se ut.Metod: För att få en användbar teori i denna uppsats har vi undersökt litteratur om outsourcing och fastighetsförvaltning. Vår studie sträcker sig över Gävleborg och Dalarna. Vi har skickat ut en enkät om trenden för outsourcing till 85 företag och fått svar av 52. Utifrån dessa enkäter har vi sedan valt ut ett antal företag som använder sig av outsourcing och sedan intervjuat dem mer ingående.Resultat & slutsats:Outsourcing är vanligt förekommande bland fastighetsföretagen i Gävleborg och Dalarna. 89 % av de svarande företagen använder sig av outsourcing i någon form.