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1033 Uppsatser om Species composition - Sida 40 av 69
Biomassauttag vid delkvistat sortiment i klen gallring
The purpose of this study was to estimate the removal of biomass in connection with thinning operations in young stands that are dominated by small diameter trees. The economy of such operations depends on the products generated as well as the performance of the harvesting systems. Conversion tables designed to predict the outcome based on harvesting method was another goal of this study. Removal of biomass affects the nutrient composition of the site. Therefore it is a purpose that this study will provide researchers with some variables that can be utilized when studying this aspect.
Trees were harvested and divided into bunches based on diameter.
Internet som politiskt medel : Hur Web 2.0 kan användas för att bryta trenden av politisk desillusion
Political disenchantment and detachment is proven to be growing in well established democracies. This development brings along concerning behavior regarding general political participation. Fewer citizens participate in elections, parties are losing members, and the trust in politicians is steadily decreasing. IDEA (Institute for Democracy and Electoral Assistance) has been registering voter turnout worldwide for the last 60 years and their publications show a decline in voter participation since the 1980s.During the same period of time another development has caught attention, namely the fast progress of the medium Internet. The new generation of Internet functions is called Web 2.0 and allows users not only to create content, but also to interact with each other.This dissertation aims to explore the possibilities emerging when integrating Web 2.0 in political processes.
Hur bemöts barn i det virtuella biblioteksrummet? : En socialsemiotisk bildanalys av fyra folkbibliotekswebbsidor.
The purpose of this master's thesis is to examine how the public library communicates with young users through the library web sites. Four Swedish public library web pages for children are analysed. In the analysis the web pages are treated as a combination of semiotic resources that, communicating as a whole, hold a meaning potential. In order to identify the underlying meaning of the whole I have applied the tools of Kress' & van Leeuwen's visual social semiotics to the chosen web pages.The information value, the framing and the salience of each composition is examined and analysed, as is the size of frame, the perspective and the vertical angle of a selection of images from each web page. The results of the semiotic analysis are then discussed and related to Jochumsen et al:s four space-model and the notion of ?child perspective? and ?empowerment?.The results show that the child perspective is strongest on the web pages that represent the performative space as dominating and that empowerment is mainly represented as ?doing?, ?participating? and the ?free choice?.
Karaktärisering av hårdmetallpulvrets råvaror och dess påverkan på pulvrets flödesegenskaper
This thesis has been done at the powder department (GH) at AB Sandvik Coromant in Gimo. With a rheometer measurements has been made on raw materials and powder blends. The focus of this report has been to find correlations between raw material powders and press data, comparisons have also been made between raw materials and powder blends.The rheometer can show information of how a powder act in flow conditions, together with air and with pressure. Analyses has been done comparing the rheometer data with press parameters (for example: rejected orders, weight variations and the compaction pressure) with the goal to find correlations between the powders flow properties and the powders compaction in production.The measurements and analyses have been showing that the powder flow properties depends on the powders composition and that properties like flow rate, aeration and permeability varies between powder blends and batches of the same powder sort. It seems to exist a correlation between the pressure force and the flow rate of a raw material.
Vegetationsutveckling och mänsklig aktivitet under äldre Stenålder vid Döudden, Arjeplog kommun :
The landscape in the interior of Norrland has undergone dramatic changes since the deglaciation as a consequence of faultings, earthquakes and tilting of the landscape westwards. Archaeological investigations along former shorelines by the use of models of isostatic land uplift, have revealed many Mesolitic settlements in northern Sweden. Döudden, in the county of Arjeplog, has been investigated by archaeologists that identified settlements from 5200 BC. The objective of this study was to analyse the history of the vegetation and if the vegetation showed traces of human activity during early Holocene, by pollen analysis. The results indicate that the area had an established vegetation c.
Så funkar avdelning C: en kvalitativ undersökning av användbarheten av SAB-systemets religionsavdelning i dagens svenska samhälle
The purpose of this thesis was to find out whether the main class C (religion) in the Swedish classification system Klassifikationssystem för svenska bibliotek is well adapted to classify materials published in or imported to Sweden, and handled by Swedish libraries today. The questions we put to ourselves were:1. How easy to understand, and how useful is the main class C religion today?2. What, in the main class C, is satisfactory?3. What, in the main class C, is inconsistent, anachronistic or incorrect?4. What, in the main class C, is in need of change or renewal?The method that was used was a number of interviews with librarians and cataloguers. We have interviewed eight librarians from six different libraries, of different types, but all with a relatively large collection of religious materials.Though all of our respondents have expressed a feeling that all the major religions deserve equal treatment in the classification system and a similar division of space, after some pondering on the subject, our respondents have agreed that a larger space for Christianity is warranted considering the composition of the current collections and publication. Our respondents have in some cases expressed that there is a lack of instructions as to how the subdivisions of the main class C (religion) is meant to be used.
Kanoper : Utanför Musiken
Jag har tidigare haft mina funderingar över att reflektera kring mitt eget verk och mitt eget komponerande. Funderingar om att det skulle bli för personligt och utlämnande. Det finns dock något spännande i att skriva om sig själv och sitt komponerande, en möjlighet att göra en resa inom sig själv. Så jag har i slutändan beslutat mig för att ta denna chans att skriva om mina tankar kring musik och om hur jag arbetar med utommusikalisk inspiration i mitt komponerande.Orkesterstycket Kanoper, den klingande delen av mitt examensarbete, är inspirerat av den egyptiska mytologin och gudavärlden; utan att jag är religös eller en anhängare av den gammelegyptiska tron, men jag har en förkärlek för det mytiska. Mytologi har varit ett stort nöje och en inspirationskälla för mig enda sedan jag var ett litet barn och jag lånade böcker om grekisk, egyptisk och nordisk mytologi fra?n familjens bokhyllor, först kanske mest för att titta på bilder men allteftersom jag lärde mig läsa så var det några av de första böckerna jag läste.
Näsnarens framtid i ett näringsstatusperspektiv
Eutrophication has been a problem in aquatic systems for a long time. It is well known that the key nutrient to control the eutrophication process is phosphorus. Lately, it has been possible to reverse the process and recover lakes from eutrophication.During a long time Lake Näsnaren in Katrineholms kommun, Södermanland, has been exposed of a large amount of phosphorus from the city's wastewater. The lake has a great value as a habitat of rare species but also a high recreation value for people living in Katrineholm and Södermanland. Lake Näsnaren is situated in a Natura 2000 area.
Hundägares och kattägares relation till sitt djur :
The relationship between the pet and it's owner is a very important and interesting
issue. Unfortunately there is not so much research on this and in addition to that
Swedish veterinarian education does not put much emphasis on pet's role in society
or their pattern of behaviour nor treatment. This thesis is based on an opinion poll
that 20 dog owners and 20 cat owners contributed. The main purpose of the thesis
was to compare the relationships that the pet (dog or cat) and its owner can have.
The issues such as the pet owner's attitude to his/her pet, how the pet owner
percieves and interprets the signals from the animal, and what they think about the
natural behaviours and needs that their pets (might) have.
The results show that dog- and cat owners are people who generally love animals,
that they used to have even other animal species in the past, but when it comes to
choice between a new dog or a new cat they choose the one that they previously
have had and that they are used to. Most of a dog owners choose the dog to be their
pet because of the company while the majority of a cat owners choose cat because
cats are independent and they are used to cats.
Växtmaterialet i 1700-talets engelska park : en växtplan för Engelska kullen på Gunnebo
Gunnebo House and Gardens was designed during the late 18th century by architect Carl Wilhelm Carlberg as a summer residence for the wealthy merchant John Hall Sr. and his family. The garden consists of formal garden, kitchen garden and English park. For the first two parts several original drawings have been preserved and here a lot of restoration work has been carried out. This paper aims to examine how the English park might have been implemented during John Hall Sr.?s time and to create a plant scheme for the area called ?Engelska kullen? (The English hill).
Lugnare katter på kliniken? : en studie om användningen av syntetiska analoger tillfelina ansiktsferomoner på svenska djursjukhus
Pheromones are chemical substances representing very specific signal messages within a species. Although a lot remains unknown about their precise effects, it is known that pheromones influence the behaviour of the receiver. Since the mid 1990s, when it was first possible to synthesise analogues of two fractions of feline facial pheromone, F3 (Feliway®) and F4 (Felifriend®), these have been used in so called pheromonotherapy to treat behavioural problems in cats. The initial use of pheromones for specific behavioural problems has been extended to cover the wide field of stress related issues. This studycontains a questionnaire where veterinary nurses and surgeons at 50 Swedish veterinary hospitals and clinics were asked about their use of synthetic analogues to feline facial pheromones in the care and treatment of cats.
A comparison of commercial scent lures in attracting Raccoon dogs (Nyctereutes procyonoides)
The invasive species raccoon dog (Nyctereutes procyonoides) is currently under establishment Sweden and it is vital to discover invading individuals to prevent colonization. The use of wildlife cameras to discover dispersing raccoon dogs have been implemented in the north-European raccoon dog management program. In this study, I test the ability of four commercially available scent lures to attract raccoon dogs to camera stations. The study was conducted in the Åland Islands where raccoon dogs are abundant and the results could improve the effectiveness of the camera stations used in the program. I used 12 sites with five camera stations in each and tested the four lures and one control with no lure in each site.
Tame animals in the wilderness : livestock grazing around summer farms in Jämtland, boreal Sweden 1800-2011
The forest and mire landscape surrounding the north Swedish villages have been of fundamental importance through time for the farmers. In the Scandinavian summer farm system the forest and mire pasture was used to its full potential. The system consisted of smaller summer farms some kilometres from the main farm in the village, and were the livestock grazed in the forest around the summer farm. The livestock affect their environment, and grazed forests generally contain a higher biodiversity than an ungrazed forest. The overall aim of this thesis is to understand the impact of livestock grazing on a northern forest ecosystem over a long time period.
Mjölkraskvigors tillväxt på naturbete :
To turn the dairy heifers out on pasture is the most natural way for the cattle to get feed.
At the same time it is cheap and if it is right treated a feed of high nutritive value. The
problem today is to get dairy heifers to grow enough when they are grazing at natural
pasture for the entire summer. Therefore, the opinions differ whether pasture is a
resource or a problem.
The increasing interest of pasture production is due to the fact that you can receive
grants for preserving valuable natural assets and cultural landscape elements in the
pasture land.
A high grazing pressure is necessary to preserve an open landscape and a great variety
of species. In the same time the heifers have to supply their nutritive needs in order to
grow and be large enough to show heat and be pregnant in right time to calve with a
sufficient body size and at an economically right age.
This paper includes a literature review on natural pasture, pasture production, and
growth of dairy heifers together with own interviews with dairy farmers about their
point of view to the pasture husbandry on the farms, how they plan for pasture, look
after natural pasture, treatment areas and take care of the calves and heifers. The results
indicate that the time it takes and the demanded work are the biggest factors to how and
why the farmers do as they do..
Medical Care : En jämförelse mellan kursinnehållet och dess utförande i Sverige och i Danmark som leder till ett internationellt certifikat i Medical Care
This thesis has been done at the powder department (GH) at AB Sandvik Coromant in Gimo. With a rheometer measurements has been made on raw materials and powder blends. The focus of this report has been to find correlations between raw material powders and press data, comparisons have also been made between raw materials and powder blends.The rheometer can show information of how a powder act in flow conditions, together with air and with pressure. Analyses has been done comparing the rheometer data with press parameters (for example: rejected orders, weight variations and the compaction pressure) with the goal to find correlations between the powders flow properties and the powders compaction in production.The measurements and analyses have been showing that the powder flow properties depends on the powders composition and that properties like flow rate, aeration and permeability varies between powder blends and batches of the same powder sort. It seems to exist a correlation between the pressure force and the flow rate of a raw material.