Nature conservation on certified small private forest owners- a comparison between the two certification systems FSC and PEFC in southern Sweden Today two different certification systems are used in Sweden to certify forest, FSC (Forest Stewardship Council) and PEFC (Pan European Forest Certification). During the last years certification of forests in general and different certification systems have frequently been debated. FSC is a globally widespread system and about 10 million ha out of 23 million ha Swedish forest is FSC-certified. The FSC-standard is mainly used by major forest companies and to some extent also by smaller private forest owners. PEFC is a European system and about 2 million ha Swedish forests is PEFC-certified today.

This bachelor thesis has the purpose to visualize and document the air movementsprovided by different ventilation principles in an operating theatre. The visualizationwill be made as simple as possible in a physical model. The model and thedocumentation should be able to use in educational purposes.The study is based on the two most common systems for airflow, currently used inoperating theatres. The first principle is displacement ventilation in which the air issupplied at low velocity along the floor. The second principle is vertical parallel laminarairflow in which the air is compressed like a piston from ceiling to the floor.A review of literature resulted in the choice of size, design, and scale factor for themodel, as well as choices of ventilation principles and airflows.

This bachelor thesis has the purpose to visualize and document the air movementsprovided by different ventilation principles in an operating theatre. The visualizationwill be made as simple as possible in a physical model. The model and thedocumentation should be able to use in educational purposes.The study is based on the two most common systems for airflow, currently used inoperating theatres. The first principle is displacement ventilation in which the air issupplied at low velocity along the floor. The second principle is vertical parallel laminarairflow in which the air is compressed like a piston from ceiling to the floor.A review of literature resulted in the choice of size, design, and scale factor for themodel, as well as choices of ventilation principles and airflows.

This bachelor thesis has the purpose to visualize and document the air movementsprovided by different ventilation principles in an operating theatre. The visualizationwill be made as simple as possible in a physical model. The model and thedocumentation should be able to use in educational purposes.The study is based on the two most common systems for airflow, currently used inoperating theatres. The first principle is displacement ventilation in which the air issupplied at low velocity along the floor. The second principle is vertical parallel laminarairflow in which the air is compressed like a piston from ceiling to the floor.A review of literature resulted in the choice of size, design, and scale factor for themodel, as well as choices of ventilation principles and airflows.

Kulturmiljövårdens hantering av de gröna miljöerna har länge varit bristfällig, vilket Visby vallgravar utgör exempel på. Park­området som sträcker sig utmed ringmuren från norr till söder ger idag ett till viss del naturpräglat intryck trots att det under slutet av 1800-talet genomgick omfattande planteringar och därmed i hög grad är medvetet gestaltat. Detta har medfört att kun­skapen om varför vallgravarna ser ut som de gör är otillräcklig. När Visby togs upp på UNESCO:s världsarvslista 1995 pekades vallgravarna ut som buffertzon. På ett kontrasterande sätt har man från kommunal sida på senare år utvecklat planer för exploa­tering både i och nära inpå vallgravsområdet.Undersökningen har syftat till att med Visby som exempel belysa hur gröna kulturmiljöer kan komma att tolkas på olika sätt när vi väljer att tillskriva dem särskilda tidslager och därmed bortse från andra.

Syftet med uppsatsen är att undersöka vuxna barns personliga erfarenheter av att ha vuxit upp med missbrukande föräldrar och deras syn på stöd och hjälp. Kvalitativa intervjuer genomfördes med vuxna barn i åldrarna 25-35 år som vuxit upp med minst en förälder som missbrukat alkohol. Resultatet visar att missbrukets omfattning och karaktär beskrevs och uppfattades på lite olika sätt. Gemensamt var dock upplevelsen av att missbruket påverkade relationerna och samspelet negativt i familjerna. Familjelivet beskrevs som kaotiskt och oförutsägbart av flera intervjupersoner, bråk och konflikter förekom ofta.

År 2005 enades FN?s medlemsländer om ett initiativ vid namn Responsibility to protect. Initiativet baserades på tanken att en stats suveränitet inte är ett privilegium utan ett ansvar och syftade till att förhindra brott mot civilbefolkningar. Brott i form av folkmord, krigsbrott, brott mot mänskligheten och etnisk rensning.Den 17 mars 2011 röstade FN?s säkerhetsråd igenom resolution 1973.

In connection with the admittance of the EC-directive (99/31/EC) in Swedish politic, through the constitution of waste depositing (2001:512) at year 2001, the rules about management the landfills and leachates tightened. At the landfill Vissberga in the municipality of Hallsberg, a leachate treatment plant was constructed just a year thereafter. This treatment plant consisted of an aerated pond with a following land treatment and a willow cultivation to replace the land treatment during the summer. In this case the parameters, which were estimated as the most important to reduce, were iron and nitrogen. The iron would react with the oxygen-rich water in the aerated pond and precipitate to ferric-hydroxide and than settle in a calm zone of the pond.

This thesis constitutes a long term (100 year) ecological landscape management plan for the estate Götebo 1:5. The estate is situated close to Gothenburg and is owned by Skogssällskapet. The planning has been made by dividing the estate into different areas (zones). In each zone one of the goals nature conservation, recreation or economical yield has been prioritized. Nature conservation is one of the main goals for the forest management plan.

Urban farming can be viewed in several contexts. The first part of this work brings up the beneficial effects of farming on our physical and mental health, knowledge as well as on social life in cities. The introduction of gardening in schools can contribute to an increased awareness on both agricultural practices and importance as well as ecological processes. It can also be used in teaching of other subjects. Farming can also contribute to improving the household economy, and the economy on a municipal or national level.

Fruit flies (Tephritidae) are serious pests that cause enormous losses for farmers in many countries. The frequent use of insecticides in controlling fruit flies in fruits and vegetable has not resulted in sustainable management of the pest. Problems associated with this complete reliance on chemical control are many residues of insecticides in crops, health problems for farmers, contamination of water and soil, insecticide resistance development and decrease in natural enemy populations. The implementation of control measures that do not imply an added burden to the environment and/or the farmers is urgent. More knowledge about the ecology of fruit flies is the basis for finding new and better ways to control this pest.

I studien undersöks sambandet mellan elevers upplevelser av lärarnas formativa bedömningar och effekten av lärandet i ett yrkessammanhang. Tidigare forskning visar att kommunikation kring lärandet är viktigt för att en vidare utveckling ska ske. Framförallt måste de kunskaper som saknas i förhållande till målen definieras av både lärare och elever, samt att målens kvalité är tydlig för båda parter. Avsikten är att öka förståelsen av hur yrkeslärare kan ge eleverna ett yrkeskunnande i linje med nationella målbeskrivningar via sin formativa bedömning. Undersökningen är gjord med kvalitativa forskningsintervjuer i en yrkesförberedande utbildning på två Hotell- och restaurangprogram.

In a municipality in the county of Stockholm there is a preparatory class which accepts newly arrived children from other countries. In the preparatory class the education is focused on teaching students the Swedish language so that they eventually, after about 3-4 -terms, can be transferred to a "regular" class.For students with a different native language, it takes about 5-7 years longer to learn the knowledge-based language that is used in school (Gibbons 2009: foreword). This requires education in school to be linguistically developing.The purpose with this essay is to gain knowledge on how pedagogues can work in a linguistically developing manner with students who have Swedish as their second language. The comparison between education in a preparatory class and education in two regular classes at two different schools is also part of that purpose.What is the education considering linguistically developing work methods like in the preparatory class and the" regular" classes? Are there differences and similarities between the preparatory class and "regular" classes education when it comes to linguistically developing work methods? Which part of the education is adapted to a linguistically developing perspective that fits students with Swedish as a second language?Theories as the socio cultural theory, the proximal zone, and Jim Cummins model, concerning among other things language and knowledge development, is brought up and linked to the study of differences and similarities between schools.

Herbivore impact on the Swedish forest has under a long time been a common subject of debate. There are many different opinions depending on what direction the forest owner has with his/her forest. Populations of moose and roe deer have increased significantly in Sweden during the last decades. The purpose of this study is to get a full picture of the herbivore impact on the regeneration areas. The field work was done once a year for seven years (1999?2005).

Under början av 1900-talet började forskning om hybridisering av olika poppelarter. Forskning har skett i flera länder som Sverige, Danmark, Tyskland, Belgien och USA. En av de mest framstående korsningarna är klonen OP 42 (P. maximowiczii x P. trichocarpa), vilket också är den mest använda i Sverige. Det finns ungefär 78 miljoner hektar med poppel på i världen, Sverige står för en liten del med drygt 2000 hektar.