Green manuring is a way of creating an organic fertilizer by growing a crop that is mowed down. Besides the fertilizing effect this method has been shown to have a positive influ-ence on soil organic matter as well as weed flora, and green manure is an important me-thod of weed control in organic farming in parts of Sweden. However, the release of nu-trients from the green manure varies and can therefore be difficult to control. Risks for losses of nutrients are also present. Although the area of organic farmland is increasing in Sweden, the use of green manure is decreasing.This report contains a literature study which compiles research on the functions of green manure in a cropping system and also how the crop can be used if harvested, for example to produce biogas.

Dagens konflikter utspelar sig mestadels i helt eller delvis bebyggd miljö och vikten av en uppdaterad och väl fungerande prickskytteförmåga är därför central. Detta till trots, återfinns stora brister i den svenska prickskytteutbildningen vad avser just den urbana miljön. Denna uppsats syftar till att dels bidra med nya infallsvinklar samt ge ett användbart arbetsunderlag för Försvarsmaktens vidare utveckling i ämnet. Genom att komma på det klara med hur prickskyttar utbildas och används i Sverige idag och jämföra detta med utländska modeller och andra länders goda och sämre erfarenheter, vill jag ge förslag på hur den svenska prickskytteutbildningen skulle kunna utvecklas. För att ge uppdaterad information har jag begränsat min efterforskning genom att mina studier av andra länders prickskytteerfarenheter avser det senaste decenniets förehavanden, snarare än utvalda länders specifika tillvägagångssätt.

Ett av de vanligaste fodermedlen hos jordbrukare i Kampala är drav, en biprodukt vid ölframställning. Hög efterfrågan, dyr transport samt dålig lagringskapacitet leder till att tillgången på drav begränsas. Ett sätt att lagra drav och således förbättra tillgängligheten är genom ensilering. Denna studie genomfördes som en Minor Field Study, och var en del i ett projekt mellan SLU och Makerere University, ?feed for livestock in urban/peri-urban areas of Kampala?.

The aims of the silvicultural method natural regeneration of spruce (Picea abies L. Karst) in birch (Betula pendula and pubescens) shelterwoods are to establish a new stand of tree seedl-ings and to protect those from high groundwater levels, frost damages and grass competition during its first life years. The aim of this work has been to (i) describe how shelterwood and stand characteristics influ-ence the results from using natural regeneration of spruce protected by a shelterwood of birch, and to (ii) compare those regeneration results with planting of spruce after soil scarification in clear-cut areas. Totally 17 harvesting sites have been inventoried and 15 of those included natural regenera-tion in birch shelterwoods, and two were subjects to soil scarification and planting of spruce. The sites represented 7-10 year old final cuts and are located in the coastal (eastern) region of the province of Norrbotten in Sweden. In all areas shelterwood and stand characteristics, as well as the number of main crop seedlings and the height of the highest main crop spruce seedling, were estimated and registered in all areas.

The aim of this study is to evaluate whether the value of occupant load is over or under estimated when the Swedish general value for department stores, 0,5 person/m2, is used for dimensioning shopping centers. The data that was analyzed derives from seven shopping centers and one department store. A conservative method was used to calculate the occupant load factor. The analysis shows that two groups can be discerned: one group that is characterized by a lower occupant load factor that does not exceed 0,3 person/m2, and one group with a higher occupant load factor. Shopping centers with a higher occupant load factor are located centrally in large urban areas.

This report deals with handling and interim storage of soils which are planned tobe reused in construction works. The types of soils that are dealt with are gravel, topsoil and sand. The thesis work has been carried out in collaboration with Skanska Sverige Väg och Anläggning Sydost. The main goal is to find an area for using to store soil in between projects.Studies of laws and regulations regarding exploitation and storage of soil has led to a theoretical background upon which the report is based. Background informationhas also been gathered in meetings with the employees at Tekniska Kontoret and Länsstyrelsen in Jönköping.On the basis of literature studies results, a general template has been developed for which desirable properties a possible location should meet.The model was applied to find a number of possible options in the vicinity of Jönköping.

In two feeding experiments Bacillus induced priming of plant defense was tested for its effect against the generalist insect pest Spodoptera littoralis. The main hypothesis for the study was that Bacillus induced priming would enable the plant Arabidopsis thaliana to defend itself better against this insect herbivore since this priming seems to involve jasmonic acid, known to be important for plant defense to insects. A secondary objective of the study was to examine if any differences in a primed defense capability could be seen between different natural genetic variants (ecotypes) of A. thaliana reflecting habitat differences in pest pressure. The methods used for plant cultivation and Bacillus inoculation were aimed at reflecting conditions that can be expected in an agricultural cropping system. This meant that all plants were cultivated in soil, and the feeding experiments were conducted with the plants growing intact in the soil system.

Studies have shown that air pollution, as well as bark fissure depth and sun exposure of a tree can have an effect on lichen growth as well as abundance of lichen species. The aim of this study was to find out the relative importance of these factors. 211 oaks in south eastern Sweden were surveyed for presence of 17 lichen species, as well as the total number of lichen species. Half of the trees were situated in urban areas and half in the countryside. For each tree the bark fissure depth was measured and the sun exposure of the trunk was estimated.

Ett livslångt intresse för psykologi och landskapsarkitektur ledde in på spåret att diskutera vad två av dagens stora frågor inom ämnet kunde erbjuda om de slogs samman; positiv psykologi (?Positive Psychology?) och hållbar stadsutveckling. Alla människor utsätts emellanåt för stress, vilken vi är konstruerade att kunna hantera. Trots det är en av de största orsakerna till sjukskrivning i vår tid just stress- och relaterade sjukdomar. En välkänd källa till restoration eller återhämtning är grönska och natur. Så frågan i denna uppsats rör huruvida små grönområden i den täta staden kan verka restorativt på människorna som besöker dem.

Densification is one of the urban visions for sustainable development - a vision that has become a part of the solution to the unsustainable sake dilemma. With the dense city land will be saved, energy consumption reduced and social cohesion improved. The dense city is considered to be ecologically, economically and socially sustainable. Applying an urban design concept has thus proven to be problematic. Density has been found to be a complex concept which is far more complicated than measuring how much built surface that needs to be covered. It is also not disputed what different degrees of densification mean and whether densification in itself is sustainable.

Green manuring is a way of creating an organic fertilizer by growing a crop that is mowed down. Besides the fertilizing effect this method has been shown to have a positive influ-ence on soil organic matter as well as weed flora, and green manure is an important me-thod of weed control in organic farming in parts of Sweden. However, the release of nu-trients from the green manure varies and can therefore be difficult to control. Risks for losses of nutrients are also present. Although the area of organic farmland is increasing in Sweden, the use of green manure is decreasing.This report contains a literature study which compiles research on the functions of green manure in a cropping system and also how the crop can be used if harvested, for example to produce biogas.

AbstractAt Saltvikens copperindustry, which is located in the municipality of Oskarshamn, copper was refined from sulphiteore some hundred years ago. The ore underwent several steps in the process before the final product was received. These steps all had an influence on the environment through discharge of heavy metals. The area where the copper industry was located is today considered to be of specific national interest due to its valuable nature and cultural values, as well as its value for recreational outdoor activities. Therefore, it is important to determine the present level of contamination and if any transport of contaminants have occurred, and to identify the risks that are associated with the site both at present and in a longer time perspective.Thirtynine soil samples and 16 sediment samples have been analyzed.

I mitt examensarbete till landskapsarkitekt har jag valt att göra en fallstudie utifrån begreppet Urban Wilderness. Som studieobjekt har jag valt en plats i Lund som kallas Holmbergska tomten. Holmbergska tomten är en ca 1,5 hektar stor ödetomt. Platsen har en historia som sommarnöje och trädgårdsmästeri. Sedan början av 70-talet, då staden köpte tomten, har vegetationen på platsen fått utvecklats fritt utan skötselåtgärder - förutom att man tagit ned sjuka och döda almar det senaste årtiondet. Det har lett till att platsen fått en vild karaktär, med gamla stora träd, sly, snåriga buskar och ett mycket vackert fältskikt med överdådig vårblomning.

Phosphorus is the single most potent contributor to eutrophication of freshwater and has also been shown to contribute to the toxic algae blooms in the Baltic sea. The dynamics and paths of losses of phosphorus from arable lands are not fully understood. It is known that phosphorus can be lost directly from plant material to water. In studies where plant material has been subjected to several freeze-thaw cycles, large amounts of phosphorus have been lost. Most studies have been conducted under field conditions, with many factors effecting the measured losses of phosphorus, such as weather and type of soil. This study was performed in a controlled environment without the presence of soil. Instead of soil, small glass beads were mixed with the plant materials in vessels, to make possible homogeneous leaching with water through the mixture of glass beads and plant materials. In this study, clover, ryegrass and dry straw were cut to pieces, approximately 2 cm long.

MKB fastighets AB förvaltar stora delar av Malmö stads utrymmen vilket ger dem stort inflytande och möjlighet att utveckla stadsmiljön. Det finns intresse bland aktörer, bland annat Odla i stan, att visa på fördelar med stadsodling/ boendenära odling. Forskning kring stadsodlingens värde behövs för att motivera stadsodlingsprojekt och anställningar nu och i framtiden. Denna studie utreder vilka värden som skapas av stadsodlingen i stadsdelen Rosengård i Malmö och hur det kan gynna de fastighetsägare som verkar i området. Begreppet stadsodling började användas i Sverige runt 2009 men det finns en tradition att odla i staden för egen konsumtion.