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317 Uppsatser om Edge zone - Sida 1 av 22

Göteborgs blå struktur : med studie av Osbäcken

Gothenburg municipality has a lot of natural water. This paper enhances the function and importance of water in the city. It also deals with the problems of sewage water and flooding. Gothenburg has reached an advanced stage of water planning. By developing a Waterplan, the municipality highlight that water has an important position in the urban planning.

Vindfällning i naturliga och skapade bryn och kanter :

The aim of this work was to study if the edge of the forest is more resistant to heavy winds than the trees located further in from the edge, and how this edge effect changes between different types of tree species and site types. The data was collected from an electric power line going from the north to the south of Sweden. The mean value of the clearcutted area around the power line was 120 meters. The main direction of the storm in January 2005 was west-southwest and thus the power line was a perfect place for gathering a large data set. The main parameter studied was the damage frequency at the edge of the forest compared to the trees located further in from the edge (up to 100 m from the power line). Tree species mixture, soil moisture class, soil type, topography, stand height, stand height of the stand on the other side of the power line and wind exposition was estimated. The results showed a distinct edge effect. The edge of the forest had clearly lower damage frequency for all tree species. A marked difference was observed between tree species and damage frequency.

Forage production and summer use by ungulates on game fields and surrounding areas

Ungulates are causing conflicts between stakeholders due to browsing damage on forests and agricultural crops. At the same time there is a big demand of keeping high ungulate densities for sports hunting and recreational purposes. Movement patterns of ungulates are strongly correlated with forage availability. Therefore, measures affecting forage quantity and distribution might be a tool to reduce the economical losses in forestry without decreasing the ungulate densities and thereby decrease the conflict between different interest groups.This study investigated the potential biomass production and utilisation of marrow-stem kale (Brassica oleracea var. medullosa), at game fields in Misterhult, Sweden, as well as browsing effects on adjacent forests.

?Annars blir det en grupp av sånna där Redbergspojkar" - En studie om Straight Edge och subkulturer som ett potentiellt kulturarv.

UnderdennastudieharmittsyftevaritattsehurenkulturarvsproduktionskullepåverkasubkulturenStraightEdge,urbådepositivochnegativsynvinkel.StraightEdgeärensubkultursomföddesurenmotreaktionpåpunkensdestruktivaideal.DenärendelavHardcore-­?scenen(HC-­?scenen)ochärbaseradpågrundvärderingenomattavstådroger,alkoholochtobakförrestenavlivet.GenomatttauppfrågorombevarandeochförvaltningavsubkulturenhoppadesjagpåattsXe(StraightEdge)skullekunnablibetraktadurettnyttperspektivdärkulturarvsfrågorkundefåståicentrum.Engenomgåendemetodunderstudienharvaritattgenyanamnåtföreteelserinomsubkulturensomannarsharbetraktatssomvardagliga.AttbenämnaspelningarsomritualerochX:etpådeltagarnashändersomsymbolerhargettmigenchanstilldjupareanalysochnyagrepppåsubkulturen.Underintervjuernamedminainformanterharfråganangåendeinkluderingochexkluderingkommituppochdessatvåbegreppharfåtttastordelavminuppsats.Atthittaenbalansmellanattvarainkluderandeellerexkluderandeverkarvaraettproblemsubkulturentampasmedochminuppsatsharförsöktattbehandladekonsekvensersomkanpåverkasubkulturen,bådepositivaochnegativa.Inkluderingbidrartillenöppensubkultursomkanfåchansenattväxa,medanenexkluderandesubkulturbevararautencitetensomärviktigförattbehålladegrundvärderingarsomsXeäruppbyggdpå.Slutligenharocksåenjämförelsemellansubkulturenochettbefästvärldsarvgjortsförattbreddasynenpåvadettkulturarvkanvara.Därdiskuteraskulturarvsproduktionenskonsekvenserochhursubkulturenkanbådegynnasochhotasavensådanprocess..

GNSS-Styrning : Information för platschefer

An investigation of the heat impact of laser cutting on the material properties when producing tensile and impact test specimens of different steel types of varying thickness has been performed. The purpose of the thesis project was to provide recommendations regarding how much material that needs to be milled from the laser cut edge before tensile and impact tests. The study has been performed partly by investigating the test specimens by heat camera when the specimens were cut in the laser cutting line and partly by performing hardness tests, investigation by microscopy, and tolerance and roughness measurements and tensile tests of the laser cut material and material produced in the traditional multi operation machine. The results show that the heat affected zone in the thicker materials is greater than previously thought of, and that the currently used recommendation has to be adjusted. The study clearly shows that the thicker the material, the greater the heat affected zone, independently of the steel type, since the thicker material takes longer time to cut.

Klövviltets nyttjande av foderraps på viltåker och betespåverkan på angränsande skog

Today we have more game species than ever before in our landscape, both regarding number of species and number of individuals. The increasing number of wild species is an increase in game recourse for the countryside. The increase of game species, however, has negative effects on forests and agriculture land. The negative effects for forestry are damages on economic important trees, due to losses in production and quality. However there are ways to decrease the damage on valuable and important trees.

Träd och buskar i kantzoner : en undersökning av kanteffekter i några av östersjöregionens skogar

Around the world, forests are generally being fragmented and as plant populations decline in both sizeand number of individuals, the genetic variation will also decrease whitch in the end leads to totalextinction of the plant. In this paper, I wanted to investigate what specific species of trees and shrubsyou usually find in the edge and core habitats in some of the forests in the Baltic Sea region. I alsowanted to identify the edge effects and their sources and finally compare the results between thedifferent regions.The data sources used are derived from the ongoining research project Landscape structures, patterns ofbiodiversity and conservation strategies in the Baltic Sea region by Kari Lehtilä, Patrik Dinnétz ochTiina Vinter who have made a record of all herbaceous plant species in four randomly chosen forestregions situated around the Baltic Sea: Estonia, Skåne, Södermanland and Germany. I made statisticalanalyses, using the computer program R, concerning the distribution of species in the edge habitats ofthe forests as well as in the core habitats. I performed generalized linear models and then variationanalyses with the factors light and biomass in order to investigate wether edge effects might appear dueto these factors.

Utredning av laserskärningens materialpåverkan inför drag- och slagprovning : Teknisk Fysik med Materialvetenskap

An investigation of the heat impact of laser cutting on the material properties when producing tensile and impact test specimens of different steel types of varying thickness has been performed. The purpose of the thesis project was to provide recommendations regarding how much material that needs to be milled from the laser cut edge before tensile and impact tests. The study has been performed partly by investigating the test specimens by heat camera when the specimens were cut in the laser cutting line and partly by performing hardness tests, investigation by microscopy, and tolerance and roughness measurements and tensile tests of the laser cut material and material produced in the traditional multi operation machine. The results show that the heat affected zone in the thicker materials is greater than previously thought of, and that the currently used recommendation has to be adjusted. The study clearly shows that the thicker the material, the greater the heat affected zone, independently of the steel type, since the thicker material takes longer time to cut.

A First Effort to Visualize Knowledge of a Region? A visualization of Öresund & Shenzhen in the perspective of Knowledge Innovation Zone

We have through our theoretical framework been able to create a simplified measuring tool for a KIZ; the S-TKL. We have found that the S-TKL is possible to implement on the Öresund Region but with some flaws. Even though the Öresund Region has implemented the mindset of a KIZ, accurate statistics are in some areas hard to find. We can also through our empirical findings say that it is difficult to use the S-TKL on Shenzhen. The data we have found gives a good indication of both of the regions.

Konsten att mäta tjänstekvalitet : En utvärdering av tre instrument för att mäta tjänstekvalitet i kollektivtrafiken

The purpose of this study is to analyze and evaluate the suitability of the three instruments SERVQUAL, SERVPERF and Zone of tolerance to measure service quality, from the respondents' perspective. This study has been carried out by a quantitative method in which respondents answered three questionnaires, which was based on the three instruments. The SERVQUAL instrument is a revised version based on criticism by Carman (1990). It is based on the five dimensions; reliability, responsiveness, assurance, empathy and tangibility, with 22 items in which each dimension is associated with a number of items. SERVPERF is the instrument most similar to SERVQUAL and is also composed of the same five dimensions.

Gränsen mot omgivningen : hur formas stadens kanter?

The edge or the fringe of the city is often the first part of the city we encounter, and our perception of it will probably color the image we make in our minds of the city as a whole. Even though the fringe of the city is important to the image of the cityscape it has not very often been the direct object of attention either in planning, building or even in the heads of the masters, when big ideas were formed. More often than not the fringe seems like something that just happened over time due to separate landowners, businesses or actions of other financially strong operators. The aim of this essay is to try to describe the history of the city edge in Sweden, from the very first town in the 10th century until today?s expanding mosaic of different ideas and styles as well as to bring some clarity and order into some of the different ideas and ideals in the planning of the edge in different eras and to review how the edge has been shaped and used.

Viltanpassad röjning längs skogsbilvägar som en foderskapande åtgärd för älgen

The moose is a keystone species in the boreal forest ecosystem, but the dense Swedish population do cause some serious problems. From a forestry perspective, their browsing on young Scot pine (Pinus sylvestris) causes extensive losses of revenue. Adjusting the cleaning along roadsides of low trafficked forest roads can favour the production of plant species preferred by the moose. This is thought to redirect the moose´s browsing to the roadsides and thereby decrease the damages on commercial forest.The aim of this study has been to present a first evaluation of the vegetation in roadsides, one year after wildlife-adapted roadside clearing has been undertaken. In the wildlifeadapted clearing operation, the roadside was widened by removal of some trees in the forest edge whereupon a complementary clearing with a conventional chain flail was conducted.

Bangenerering för industrirobot med 6 frihetsgrader

This thesis studies path generation for industrial robots of six degrees of freedom. A path is defined by connection of simple geometrical objects like arcs and straight lines. About each point at which the objects connect, a region, henceforth called a zone, is defined in which deviation from the defined path is permitted. The zone allows the robot to follow the path at a constant speed, but the acceleration needed may vary. Some means of calculating the zone path as to make the acceleration continuous will be presented.

Från singelmedia till multimedia, En studie om förutsättningarna för ett mediehanteringssystem

Teknomedia är ett utvecklingsbolag för nya medier inom Norrköpings Tidningars koncern. Teknomedia producerar bland annat produkt? och företagspresentationer, reklamfilm samt webblösningar. De har även utvecklat Edge som är ett publiceringsverktyg för enkel publicering av webbsidor.Under 2005 kommer en lokalTV?kanal att startas av Norrköpings tidningar som ett komplement till morgontidning och webb.

Svikna löften? : Fem unga män på en anstalt i Sverige och deras upplevelse av sin egen skolgång.

This study is about inmates, who reflect upon their time in school, their experiences of school and how different things have influenced and affect them later in life. The aim with this study is to examine how different kinds of school related issues have affected the inmates in different ways. The aim is also to look at how school can spot in early years, children within the danger zone and provide for those children, so that they can be helped in different ways and so that they can be able to achieve different in life, not to end up becoming criminals later in life.The main questions in this study are:How did the chosen inmates experience their time in school?Can you by looking at research tell that these persons already in their childhood were children within the danger zone?What kind of school related issues could have contributed to a criminal lifestyle later in life?The result of this study shows that all five have been children within the danger zone. In all five cases there have been school related issues that have affected those men.

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