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Dynamics of omnivorous crayfish in freshwater ecosystems

In this thesis I examine the dynamics of crayfish in streams and lakes. I have studied the influence of abiotic and biotic factors on abundance, growth, trophic position, niche breadth, and recruitment of crayfish, by conducting field studies, an outdoor channel experiment and timeseries analysis. Overall, the results show that abundance of crayfish is mostly affected by the abundance of predatory

Den omvända ventilen - en undersökning av den omvända ventilens tolkning och tillämplighet i de riktade ränteavdragsbegränsningsreglerna

Dagens riktade ränteavdragsbegränsningsregler trädde ikraft 1 januari 2019 och var en omarbetad version av 2009 års samt 2013 års ränteavdragsbegränsningsregler. Gällande riktade ränteavdragsbegränsnings-regler var stadgade i 24 kap. IL. I 24 kap. 18 § IL föreskrevs att företag skulle klargöra att långivaren var inom EES, utanför EES i en stat som hade skatteavtal med Sverige eller att ränteintäkt

Bevisning av avtalsinnehåll - En teoretisk undersökning av vissa bevisfrågor i tolkningstvister

I rättsvetenskaplig litteratur görs många och skilda uttalanden om bevisfrågor i tvister om tolkning av avtal. Bevisning och avtalstolkning har beskrivits som olika metoder för att avgöra vilket avtalsinnehåll som ska anses gälla mellan avtalets parter. Framförallt föreligger osäkerhet kring när bevisbörderegler och när avtalstolkning ska tillämpas för att lösa en ovisshet om avtalsinnehållet. I t

IRON NUTRITION DURING EARLY CHILDHOOD. Factors influencing iron status and iron intake.

The overall aim of this thesis was to describe the prevalence of iron deficiency (ID) and factors influencing iron status and iron intake among otherwise healthy children. The specific aim in paper I+II was to describe the prevalence of ID among 2 ½-year-old children in relation to intake of cow's milk and follow-on formula. The design in the first two papers were cross-sectional and 367 2 ½-year-

Birth after Caesarean Section

Birth after caesarean section (CS) is an issue of growing importance. As a consequence of increasing CS rates, more women having experienced a prior CS will need counselling about preferred second delivery mode. There are two choices: elective repeat caesarean section (ERCS) or trial of labour (TOL). It is well known, that a TOL ending in an emergency CS carries the largest risks for mother and ch

Signaling and Adhesive Mechanisms in Acute Pancreatitis

Acute pancreatitis (AP) is an inflammatory disease with variable severity ranging from mild interstitial edematous to severe necrotizing disease. The overall mortality rate of AP is 8-9%. Specific treatment of AP is lacking which is partly related to an incomplete understanding of the basic pathophysiology behind the disease. It is widely held that premature intra-cellular trypsinogen activation a

Protective Immunity in Atherosclerosis

The immune system is a promising target for novel therapies that are aiming at reducing cardiovascular diseases. Autoimmune responses against modified low density lipoprotein (LDL) are believed to promote development of atherosclerosis. Proinflammatory immune responses can be counterbalanced by immunosuppressive regulatory T cells (Tregs). Immunizations of hypercholesterolemic mice with oxidized L