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2172 Uppsatser om Identified species - Sida 21 av 145
Clear-cut and substrate characteristics important for the occurrence of the beetle Upis ceramboides
Disturbances, such as fire and wind, are important for saproxylic beetles (= beetles depending on decaying wood) to gain substrate in boreal forests. Clear-cutting is an example of a man-made disturbance. Measures such as prescribed burning have been made to resemble natural disturbances. The aim of this study was to see which clear-cut characteristics are important for the occurrence of the saproxylic beetle Upis ceramboides.
This is a species favored by open habitats and is said to respond positively to forest fires. The distribution area in Sweden for this species has decreased during the last two centuries and I wanted to see if there were differences between clear-cuts in Hälsingland, where it is very
rare and decreasing, and Norrbotten where this study was conducted.
Sambandet mellan bransch och ledarskap : En studie av den amerikanska och svenska TV-produktionsbranschen
AbstractAs a result of globalisation, there are indications that national cultural differences between countries are becoming increasingly vague. Research shows that industries develop similarities, as a result of the integration between corporations that has followed the internationalisation. The aim of this study was thus to investigate whether different countries in the same industry can develop similar perceptions regarding what is considered effective leadership. The study also aimed to investigate whether these perceptions can influence how leadership is exercised. The leader qualities that were identified were categorised based on the leadership attributes that were formulated in Project GLOBE.
Några vanliga ogräs : en litteraturstudie av arternas biologi samt förebyggande och direkta kontrollåtgärder
The Swedish Board of Agriculture initiated this undergraduate thesis. There is a database on their homepage that includes chemical treatments for different weed species. There is also space for preventive and mechanical control methods. This is an undergraduate thesis that reviews these control methods for the most important weeds in Sweden.
The species reviewed are:
Creeping perennials:
Common Couch Elytrigia repens (L.) Desv. ex Nevski
Creeping Thistle Cirsium arvense (L.) Scop.
Perennial Sow-thistle Sonchus arvensis L.
Field Horsetail Equisetum arvense L.
Colt's-foot Tussilago farfara L.
Stationary perennials:
Dock Rumex L.
Mugwort Artemisia vulgaris L.
Dandelion Taraxacum F.
Vindkraftsplanering i skogsmark
The aim of this study about wind power planning in forest was to examine the factors and restrictions, which represent technical limitations, biodiversity, tourism and amount of energy for wind farms in Kronoberg County. Suitable areas for wind power were identified from the collected information about planning principles and potential conflicts. From the suitable areas the potential energy gain is calculated. Methods used were mainly a literature review, interviews with experts and practitioners, GIS analysis and a rough calculation of the energy gain. The section of information and facts describes in general wind power planning and possible conflicts.
Smittskyddsrutiner vid flytt av djur mellan djurparker
Animals in zoos live in small enclosed areas. If a pathogen is introduced to the zoo, the animals are extremely vulnerable. The highest risk of introducing new pathogens occurs when new animals are introduced to the collection. Therefore it is essential that zoos have a protocol in place for disease prevention.
This review has studied literature on the subject of disease prevention protocols when translocating animals between zoos.
Det Duala Ledarskapet - den heteronormativa strukturens upplösning
The purpose of this investigation is to reveal those hidden factors, which influence how leadership is practised, as well as the roles male and female play in their professions. Furthermore this investigation aims to elude the expectations and demands that leaders experience and their origin.The investigation is based on six interviews of senior managers, two male and four female. A qualitative approach has been utilized to penetrate the subject and understanding of the identified phenomenon. The theories employed to analyse the finding are Lincoln, Gerth & Mills and Merton. To further highlight certain specific results parts of Ahrne, Beck & Beck-Gernsheim theories have also been empoyeed.
"Allt jag gör lär jag mig ju av". En studie om kunskapskrav och kunnande i anslutning till audionomstudenters praktiska utbildning
The audiologists´ knowledge-domain is generally described as a unique combination of medical, technical, social and behavioural sciences. It gives prominence to the importance of an adequate education relating to the knowledge-demands the students´encounter during their trainee-period. However, an important question is if the educational content corresponds to the knowledge-demands during the training? Aim: This study aimed to identify the knowledge-demands of students during their trainee-period. Furthermore, to identify how the students´ actual knowledge was related to the encountered knowledge-demands.
Individuell tillväxt och substratval hos en lokalt differentierad population av Asellus aquaticus
Local differentiation may occur during a short period of time and is part of the formation of new species. The isopod Asellus aquaticus is an example of a species in which local adaptation has occurred during a short period of time. An establishment of stonewort (Chara spp.) vegetation in Lake Tåkern (in the 2000) resulted in two different Asellus ecotypes; a lighter pigmented, smaller one that lives among stoneworts grazing periphytic algae, and a darker, larger ecotype that feeds on decaying leaves in reed (Phragmites australis vegetation. The purpose of this study was to examine whether there are differences in growth between ecotypes, depending on whether the food was periphytic algae or leaves, and to study the choice of substrates between the two food types. For the study, animals from both habitats were brought in from Lake Tåkern to the laboratory.
Styrning av artikelplacering i lager
This thesis deals with the field of warehouse management, focusing on frequency control of stock. The purpose of the thesis is to reduce the warehouse staff mileage by placing an article based on its number of picks, i.e. how frequently it gets picked. In order to achieve relevant results the following four questions have been answered in the thesis: How should the articles be placed with regard to the picking frequency?Which factors, if any, needs to be addressed beyond the picking frequency when articles are placed based on frequency?Can the present picking system be improved?Is frequency placement with regard to the picking frequency profitable to implement for the company?The thesis is based on literature studies and on the data that has been collected from the company?s business system.
Det symboliska värdet ? Om bibliotekariers syn på ett folkbibliotek i förändring
The aim of this Master?s thesis is to examine the professional discourses that can be identified in the public library field. My main focus is to look at the professional views on the added value of public library. Questions posed in this study are: how does the professional language look when it comes of speaking and reasoning about the public librarys added value and function, which discourses can be identified in the professional language about the public library, what could the discourses entail for the future of public library? The empirical data consist of four interviews where the respondents have been constituted by public librarians.
Varför väljs nativeapplikationer istället för hybridapplikationer? : Prestandaskillnader hos hybridapplikationer
The development of applications for mobile devices has exploded in recent times. This has also led to the introduction of several new mobile operating systems. To streamline application development for multiple platforms, techniques have been developed to be able to reuse the same application regardless of the operating system. If the same application can be used on multiple platforms it will save both a lot of time and money. Today there are three types of techniques to develop an application; web, hybrid and native application, where the latter is specific to the operating system it has been developed to.
Bibliotekariebilder i dagens platsannonser. En diskursanalys.
The aim of this Masters thesis is to examine the librarian discourses that can be identified in the job advertisements of today, to examine how the discourses differ and also how these discourses might influence the librarian profession and its status. The method of investigation is a qualitative analysis of printed sources, using Ernesto Laclaus and Chantal Mouffes discourse theory as well as the theory of professions as a theoretical base. The thesis shows that two discourses can be identified in job advertisements for 2004, one public librarian discourse and one scientific librarian discourse. The major difference between the two discourses are work tasks where the public librarian discourse very often contains areas of responsibility and development work, whereas the scientific librarian discourse often contains administrative work tasks. Other differences include a great demand for driving licences and an interest in children and youth in the public librarian discourse, something which is not asked for at all in the scientific librarian discourse where there is a great demand for knowledge of languages instead.
Utilization of different habitatsin Colobus angolensis palliatus in the forests of Diani Beach, Kenya
The Angolan black and white colobus monkey (Colobus angolensis palliatus) is an arboreal primate that inhabits coastal forest fragments on the south cost of Kenya and is consequently vulnerable to forest fragmentations. The study was carried out in March and April 2011 in Diani Beach in Kenya where two of the largest populations of the species are distributed. This study is a pilot study to test methods for a Master?s thesis. The aim was to investigate any variations in use of two habitats of C.a.
Diagnosis and molecular epidemiology of bovine rotavirus and coronarvirus in Brazil
Rotavirus and coronavirus are the two most common viral causes of neonatal calf diarrhea and their presence causes a lot of economic damage to the farmers as well as suffering to the animal. By getting better knowledge about the viruses we may help in tracing transmission and in producing new vaccines. This paper served to study the molecular epidemiology of rotavirus and coronavirus in fecal samples collected from two different farms in the state of São Paulo, Brazil. These samples have been studied with focus on the gene VP4, VP7, NSP4 in rotavirus and the gene S1 in coronavirus. From the first farm the screening PCR showed that 12/48 samples were positive for rotavirus and 4/48 positive for coronavirus.
Tetratermmodellering och regressionsanalyser mellan topografi, tetraterm och tillväxt hos sitkagran och lärk : en studie i norra Island
This study was made in an attempt to give the forest research centre Mógilsá a producedtetratherm map and a better understanding of how topography and temperature influencethe growth of two tree species. The digital tetratherm map model, covering the northernpart of Iceland, was developed to investigate the correlation between tetratherm and thegrowth of Picea sitchensis and Larix (sukaczewii + sibirica). The study confirms theusefulness of digital terrain models in providing data for a lot of different factors and forthe tetratherm model. Hopefully will this tetratherm map be used in future studies.Secondly, investigations were made correlating the growth of the two species againsttopographic factors representing height above sea level, distance to the sea, slope andtopex. Thirdly, investigations were made comparing the aspect and the ground shape tothe growth.The growth rate of Larix had strong significant correlations to the tetratherm and thedistance to the sea- factors.