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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
41

Olika markberedningsmetoders effekt på granens (Picea abies) utveckling 16 år efter plantering med och utan snytbaggeskydd / The effect of different soil scarification methods on the development of Norway spruce (Picea abies) 16 years after planting with and without pine weevil protection

Svanfeldt Ohlsén, Anna January 2019 (has links)
Vid föryngring ger markberedning en bra förutsättning för plantan att överleva och växa, och med mindre risk för snytbaggeangrepp. Syftet med denna studie var att undersöka hur snytbaggeskydd och olika markberedningsmetoder långsiktigt påverkar stamantal, medelhöjd och volymproduktion hos gran (Picea abies). Markberedningsmetoderna som jämfördes var högläggning, fläckmarkberedning och inversmarkberedning. De jämfördes med att inte markbereda alls. Hälften av plantorna var behandlade mot snytbagge med permetrin, dessa var jämt fördelade i försöket. Studien genomfördes i en försöksyta 9284, vid SLU:s försökspark i Siljansfors, Mora kommun. Beståndet var 17 år när det mättes (16 år efter plantering) hösten 2018. Då mättes trädens höjd, diameter samt grönkronans höjd. Volym beräknades med volymfunktioner. Högläggning, inversmarkberedning, och fläckmarkberedning (i nu nämnd ordning) och snytbaggeskydd gynnade granplantornas volymtillväxt, gav flest stammar samt högst höjd. Att högläggning och inversmarkberedning var så framgångsrika i detta försök beror troligen på att marken i Siljansfors är näringsfattig och fuktig. Hög planteringspunkt ökar risken för en planta att torka. Permetrinbehandling hade en positiv effekt på volymen och stamantalet, dock var det ingen signifikant skillnad vad gäller höjden. Markberedning samt permetrinbehandling ger bestående långsiktiga resultat för produktionen. / In regenerations, soil preparation provides good conditions for plants to survive and grow, and reduces the risk of damage by pine weevil (Hylobius abietis). The aim of this study was to investigate the long-term effect of protection against pine weevil damage and the long-term effect of different soil scarification methods on the number of trees, tree height and the volume production of spruce (Picea abies). The soil preparation methods that were compared were mounding, patch scarification and the inverse method. These were compared as well as to, no soil preparation at all. Half of the plants were treated against pine weevil with permethrin. These were evenly distributed in the experiment. The study was conducted in the trial area 9284, at SLU's experimental park in Siljansfors, Mora municipality. The trees were 17 years old when measured (16 years after planting) in the autumn 2018. Then tree height, diameter and the height of the green crown was measured. Volume was calculated with volume functions. Mounding, the inverse method and patch scarification (in the order mentioned) and pine weevil protection benefited the volume production of the spruce trees, the numbers of trees and tree height. The fact that mounding and the inverse method was so successful in this experiment is probably due to that the soil in Siljansfors is nutrient-poor and moist. High planting points increases the risk of drought. Permethrin treatment had a positive effect on volume production and the number of plants, however, there was no significant difference regarding tree height. Soil preparation and permethrin treatment provide lasting long-term effects on production.
42

Perspektivets socialpsykologiska grund : En uppsats om perspektivets framträdande, gränser och variation i en social kontext

Redving, Peter January 2012 (has links)
Uppsatsens utgångspunkt är att perspektivet utgör en psykosocial länk mellan individ och omvärld. Med grund i Henry Montgomerys perspektivmodell, som bland annat framhåller hur fakta och värderingar är intimt förbundna i social perception, förs ett resonemang kring perspektivets socialpsykologiska förankring i mellanmänskliga sammanhang. Modellens element subjekt, objekt och mental position diskuteras systematiskt utifrån George Herbert Meads perspektivteoretiska ansats samt Alan Page Fiskes socialitetsteori. Syftet är främst att visa på perspektivets deskriptiva och evaluativa konstitution, dess sociala grund och kontextberoende. Tanken är att Meads resonemang fungerar som en formell teoretisk grund för subjektet och dennes kommunikativt grundade intersubjektivitet, genom perspektivtagandet via symbolbruk och den generaliserade andra, emedan Fiskes ansats tar fasta på en bestämd social differentiering genom socialitetsformer vilket i sig utgör fundamentet för värderingars sociala förankring samt människors socialitet i en mer substantiell mening. Teorierna ses som komplementära genom sina universella anspråk och diskussionen mynnar slutligen ut i begreppet socialitetsperspektiv utifrån en social differentiering av den generaliserade andra. Tyngdpunkten ligger här på subjektet som aktör och tanken är att var gång ett socialt perspektiv intas inom ramen för den generaliserade andra så görs det alltid utifrån någon av socialitetsformerna som var och en dessutom antas utgöra perspektivets gräns och variation. Inom ramen för en mellanmänsklig kontext antas därför alltid subjektet uppfatta ett objekt utifrån en bestämd mental social position, ett bestämt socialitetsperspektiv, i social handling och att individens sociala jag fyller en avgörande funktion i en sådan kontextbunden perception. Perspektivframträdandet diskuteras slutligen med grund i Montgomerys perspektivansats och Joop van der Pligts tre attributionsteoretiska slutsatser om hur interna och externa orsaksfaktorer kan korrelera med deskriptiva och evaluativa aspekter i en social kontext. Resonemanget pekar på så vis ut specifika tendenser till att ett visst perspektiv intas till förmån för ett annat beroende på interna och externa orsaker i ett mellanmänskligt sammanhang.
43

Positive welfare indicators of the domestic pig (Sus scrofa domesticus), a review : Which of the indicators are being used for the on-farm evaluation of pig’s positive welfare? / Positiva välfärdsindikatorer för den domesticerade grisen (Sus scrofa domesticus), en översyn : Vilka indikatorer används för att utvärdera grisens positiva välfärd på gårdsnivå?

Papageorgiou, Maria January 2022 (has links)
Since the 1960s the focus of animal welfare has been mainly on the negative aspects of welfare and on minimizing and alleviating these negatives. Lately, the focus has been not only on the negative features of welfare that should be kept above a minimum standard, but also on the positive ones that should be enforced. Positive welfare goes a step beyond the common welfare approach and focuses additionally on the positive aspects that animals should have in their lives. This review analyses the behavioral indicators that have been proposed as positive welfare indicators of the domestic pig and have been studied theoretically or experimentally. Various behavioral indicators have been proposed but play is the positive indicator that has been studied the most, followed by exploratory and social affiliative behaviors. Vocalizations and ear and tail postures have also been proposed as promising positive welfare indicators but more research is needed to clearly understand the expression of these behaviors and the affective states that they indicate. According to the literature results, the Welfare Quality protocol for pigs is the only protocol that evaluates the positive welfare of the pig on the farm level. Play, exploratory and social affiliative behaviors are being measured. In addition, positive emotions are being measured via Qualitative Behavioral Assessment (QBA). / Efter 1960-talet, fokuserar djurvälfärden huvudsakligen på de negativa aspekterna av välfärd och på att minimera och lindra de negativa aspekterna. Under de senaste åren, har fokus legat inte bara på att minimera de negativa aspekterna och hålla dem över en minimistandard utan också på att förstärka de positiva. Positiv välfärd går ett steg framåt i det gemensamma välfärdssynsättet och fokuserar dessutom på de positiva aspekterna som djur bör ha i sina liv. Denna översyn analyserar de positiva beteendeindikatorer på djurvälfärd, de som har föreslagits som positiva välfärdsindikatorer för den domesticerade grisen och har studerats teoretiskt eller experimentellt. Bland alla indikatorer har lekbeteende studerats mest, följt av undersökingsbeteende och sociala affiliativa beteenden. Vokalisationer och öron- och svansställningar har också föreslagits som lovande positiva välfärdsindikatorer men fler studier bör göras för att tydligt förstå uttrycket av dessa beteenden och grisens känslor som de indikerar. Enligt litteraturen, är Welfare Quality protokoll för grisar det enda protokollet som utvärderar grisens positiva välfärd på gårdsnivå. Lekbeteende, undersökningsbeteende och sociala affiliativa beteenden mäts. Dessutom, positiva känslor mäts via QBA.
44

Understanding The Impact Of Market demand For Paper And Paperboard On Swedish Ports : A scenario planning approach

Persson, Hanna, Bodiroga, Dejan January 2023 (has links)
Background: The global marketplace is characterized by rapid and constantchange, resulting in complex logistics systems. The port industry, which is a crucial link in the supply chain, seeks to understand the complexity of market dynamics. Ports should understand the changing market dynamics to better meet the market demand and have a competitive advantage. One representative from the port industry is Swedish ports and the Port of Gothenburg, which will be the focus of this thesis. The market demand for paper and paperboard has been a significant driver of shipping activities in Swedish ports. The market demand for bulk and container shipping is also relevant due to its influence on the port’s operation. Furthermore, itis essential for port authorities to understand the demand-oriented infrastructure to develop strategies to meet the market dynamics. Purpose: This thesis has been undertaken on behalf of the PoG. The purpose of the thesis is to provide a clearer understanding of how the current and future market demand of paper and paperboard influence Swedish ports with scenario planning. Based on the future market demand for paper and paperboard, additional information of the future market demand for bulk and container will be included in the scenarios. By using the scenarios, recommendations will be given regarding investments the port authority at PoG needs to implement as a response to future paper and paperboard market demand. Methodology: The thesis has a qualitative case study with Port of Gothenburg as the study object. Data collection has been conducted through semi- and unstructuredinterviews from the Swedish forest industry, three forest companies and port authority at Port of Gothenburg. Additionally, scenario planning will be the main analysis method in this thesis. Conclusion: The current market demand for paper and paperboard indicates that demand for paper is decreasing, while demand for paperboard is increasing. The future market demand for paper and paperboard can develop in several ways. The authors of this thesis believe that the market demand for paper will have a structural fall with an exception for special paper. While paperboard will have a continuous increase. Furthermore, there is currently an increase of bulk and container shipping in the Port of Gothenburg. The authors believe that future market demand for bulk will be stable, while container will have an increased trend. However, as the market demand is hard to predict, the thesis presents four scenarios of different futureoutcomes of market demand for paper, paperboard, bulk- and container shipping. There are several investments needed for the Port of Gothenburg to respond to theestablished demand scenarios. Investments that will benefit Port of Gothenburg themost are Port Community System (PCS), Integrated Warehouse ManagementSystem (IWMS), Real-Time Location System (RTLS), development of port quays,larger quay cranes and floating islands, and cold ironing and renewable energy. Key words: Paper, Paperboard, forest industry, bulk, container, cargo shipping,seaport, Port of Gothenburg, scenario planning, port investments
45

“My skin has turned from ivory, to porcelain, to steel.” : En intermedial analys av sambandet mellan marknadens efterfrågan och förändringar i adaptioner.

Laane, Cara January 2022 (has links)
The point of this essay was to conduct research on the market and the consumers influence over the cultural industry in regard to adaptations. The paper analyses some of the changes that can be done by the producers in order to please the consumer, and therefore increase the popularity among the viewers. The analyse has studied how the adapted works; The Walking Dead, A Game of Thrones/ A Song of Ice and Fire, Legend of the Seeker/ Sword of Truth, has implemented changes when it comes to three matters; motherhood, looks and character development. Furthermore, the paper analyses how these changes may affect the plot, and how the viewers have reacted to this. The thesis is based on Pascal Lefèvre’s adaptation research and John Fiske’s popular culture study. The consumer’s opinions regarding the TV-shows and what changes they wish to see in movies and TV-shows are expressed through comments on YouTube and Reddit. / <p>Slutgiltigt godkännandedatum: 2022-06-10</p>
46

Utveckling av ett aktivt fiskedrag / Design and development of an active fishing lure

Westlund, Johan January 2019 (has links)
Sportfiskarna söker ständigt efter nyheter inom branschen. Konkurrensen är tuff bland företag inom branschen och det gäller att ständigt kunna erbjuda det senaste. En innovativ produkt som kan skapa uppmärksamhet hos fisken är en eftertraktad nyhet. Examensarbetets genomförande sker med en projektplan innehållande en tidplan, riskhantering, organisation och filhantering. Projektets faser består av planering, förstudie, produktspecificering, konceptgenerering, konceptval, konstruktion, formgivning, prototyp samt en patentansökan. Med hänsyn taget till en kravspecifikation, som upprättades under förstudien där brukarens behov och önskemål samt krav från samarbetspartnern definieras, genererades det slutgiltiga konceptet. Förstudien fokus har främst legat på brukaren, för att definiera vad han eller hon vill ha. Förstudien visar att brukaren i första hand vill ha något innovativt och enkelt.  Vid idégenerering användes verktyg som 6-3-5, skissande av hela koncept samt brainstorming. Dessa verktyg användes vid konceptgenerering, men även under arbetet med patentansökan. Den förstnämnda användes för att generera olika möjligheter för hur och vad som konceptet ska lösa. Den andra användes för att identifiera vad experter inom sportfiskebranschen anser vara ett lyckat fiskedrag. Det tredje verktyget användes för att finna potentiella lösningar vid en specifik frågeställning. Efter sortering av konceptet kvarstod nio unika kombinationer. Det slutgiltiga konceptet består av ett fiskedragshuvud (jigghuvud) med implementerad modul som blinkar vid kontakt med vatten. Detta slutgiltiga val beslutades tillsammans med samarbetspartnern. En patentansökan fick projektplanen och rapporten korrigeras till version 2.0.  Genom projektet har skisser använts frekvent för att testa idéer och kombinationer. Prototyper av det valda konceptet gjordes för att erhålla ytterligare information om konstruktion och funktion. / The fishermen are constantly looking for something new. As a company, specialized in this profession, it is necessary to be able to offer the newest thing within fishing. A new kind of fishing lure that creates attention among the fish is an innovative new and welcomed product among fishermen’s. The thesis work is carried out as a project with a project plan containing a time chart, risk management, organization and file management. The phases of the project consist of planning, research, product specification, concept generation, evaluation, construction, design and patent application. The concept was developed with a product specification in mind. This specification is a list of the users needs and preferences, as well as requirements from the cooperation partner. The research focused on the users need, to determine what the customer really wants. The result from the research was that the user wants something innovative and easy to use. Idea generation utilized tools like 6-3-5, generating entire concepts as well as brainstorming. These tools were used in concept generation, but also during the work with the patent applications. The first mentioned tool was used to generate possibilities for how and what the product will do. The second mentioned tool was used to identify what those within this profession think would be a successful fishing lure. The third tool was used to find potential solutions for a specific issue. Evaluation of the ideas resulted in nine different kinds of concepts. The final concept consists of a fishing lure head (jig head) with implemented module that illuminates when in contact with water. This final decision was made after presentation and discussion with the partner. With a patent application, the project plan and the report were corrected to version 2.0. Sketches were frequently used to through the project to test ideas and combinations. Prototypes of the chosen concept were made to obtain additional information on design and function.
47

Den ekologiska utvecklingen på Västra hamnen i Malmö / The ecological development at West harbor in Malmö

Quach, Frank January 2021 (has links)
Abstract In this essay, it is investigated whether West Harbour, in Malmö, has the greenery to fulfill the goals and visions needed to be able to be said to be an ecological district today. An increasing proportion of people have moved to the city, which means major ecological challenges for the city and the ecology in general. Ecological urban planning can be a tool to curb these problems. In previous research from the National Board of Housing, Building and Planning and an essay from previous students they have looked further at what it is like to plan urban from an ecological concept in different cities. In this essay the theory from Mostafavi och Doherty (2016) which talks about planning ecologically. Diedrich (2013) writes about using tools to analyze the “site”. During the interviews, the five informants shared their knowledge of the ecological development theme at “Västra hamnen” and gave a closer insight into the property in front of the building itself and its surroundings. The four themes were compiled in this essay which concerns the need for parks, ecological development, green areas and green oases and climate change - elevated sea levels.   In need of parks, it emerged that there was a shortage of parks in the Western Harbor. In ecological development, the city of Malmö wants to test a new environment at Dockan's harbor basin, the concept of park islands. Green spaces and green oases are, there are results about open spaces on the property Fören 3 - Turning Torso as it can open discussions to expand green in the physical space offered. Climate change - elevated sea levels that can challenge the future of housing and security.  The assignment is about the accommodation’s future safety and current elevated sea level.     The interviews and field observations gave a closer insight into what it is to visit, see, hear, feel, smell, and based on the ecological conditions, the Western Harbor is experienced with its own senses. It also gave me abstract thoughts on what it would be like to shape a place and in the physical space. From a blank sheet of paper to filling it with colors, to shape an attractive concept and design for the benefit of the public. Finally, a solution proposal will be presented in the concept of “Parc in the Water” on the West Harbour.   Keywords: ecology, field observation, greenery, park, park islands, site / <p>Presentationen ägde rum på zoom meeting. </p><p>Samtliga publikationer närvarade på presentationen med en Powerpoint. </p>

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