727 uppsatser · sida 5 av 49
skakförsök baserade på två svenska långliggande kalk- och fosforgödslingsförsök
… percent of Swedish lakes. Excess nutrients increase the growth of algae, and cause major problems in the ecosystem through oxygen-free bottoms, fish kills, and at worst dead bottoms. Agriculture accounts for 44% of human emissions of phosphorus to lakes and rivers. Leaching …
Har D-vitamintillskott lindrande effekt på depressiva symptom? ? En systematisk översiktsartikel
… one of the major diseases in the world and is ranked by the WHO as the leading causeof disability. Several studies suggest that there is a correlation between low s-25(OH)D levels and theoccurrence of depression. Current research has found enzymes required for synthesis of the …
… The symptoms are displayed during metoestrus. Prolactin is one of the causes behind pseudopregnancy, but the full process is not yet known. Due to the fact that the condition affects that many bitches and often is recurrent, it is relevant to examine how the condition affects …
en pollenanalytisk studie av en fäbodvall i Ängersjö, Hälsingland
… of Ängersjo. Due to the fact that it is hard to separate vegetation changes caused by agricultural activities from changes caused by resource utilisation related to iron production, no absolute conclusions can be made whether or not the iron production in the area affected the …
… all piglet producers has to deal with. It is difficult to know exactly what causes the illness, but it is known that a Streptococcus bacteria reaches the joints via the blood circulation. The underlying causes are not known, but possible routes of entry for the bacteria could …
… are increased risk of wind throw and damage of the remaining shelter trees caused by the cutting operation. Positive effects are for example a valuable growth in the remaining trees and increased biological di-versity. This study is based on a total of 79 trees from 4 different …
… In this thesis, the focus lies on the effects that climate changes have caused in the Swedish national security agenda during the last 15 years. Swedish policy documents show that there have been some major changes, not only the widening of the security agenda but the entire …
HACCP inom bageri och konditori
… food free from pathogens, foreign materials and substances with potential to cause adverse health effect. In order to succeed in developing, installing, monitoring and verifying a HACCP system, there is a mix of hurdles for the company to overcome. While larger food companies …
Upplevelser och behandlingsmetoder
… hypocondriacal symptoms. Discussion: The findings show that hypochondriasis causes a chronic suffering and indicates that potential treatments are available. Hypochondriasis causes an unproductive health care utilization. A more effective management could reduce the costs and …
passage fates at a reservoir, a power house and a bypass structure
A large number of rivers in northern Sweden have hydropower developments that cause negative effects on both up- and downstream migrations of anadromous species like Atlantic salmon. So far, most attention has focused on the hindrances of adult fish during their upstream …
a metal polluted forest soil in Gusum
… point, followed by zinc, lead and cadmium, in thatorder. A pH raising effect caused by the release of metal oxides, that hadpreviously been shown could not be seen and pH on Stångberget was nowsimilar to that of a natural Swedish forest soil. Results could not show that thepH …
… figures should in our opinion be reviewed. They have unconsciously created a cause-effect relation both within and across the perspectives. They should have the cause-effect relation in mind for future revisions and degradations. They should also formulate an action plan to …
… environment, human health and also climate effects. This, so called dry fog, caused severe health problems, which led to death casualties, killing animals, crops and other vegetation. The consequence was a widespread famine which was aggravated by a hard and long winter in …
Risken att det drabbar Sverige
… environment, human health and also climate effects. This, so called dry fog, caused severe health problems, which led to death casualties, killing animals, crops and other vegetation. The consequence was a widespread famine which was aggravated by a hard and long winter in …
en metod för en utveckling av dagens hästomvårdnad
It is common knowledge that our horses do occasionally hurt themselves and cause damage to their bodies. They also manage to do it in the most remarkable ways. The problem is not that they hurt themselves, because everybody does so from time to time. The problem is that they …
