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1434 Uppsatser om Decreasing population - Sida 16 av 96
Flodpärlmusslans status i Laxtjärnbäcken : Effekter på flodpärlmusslan av sedimentbelastning och förekomst av bäckröding
The aim of this present study was to determine and evaluate whether the presence of brooktrout (Salvelinus fontinalis) and sediment load may be a threat against the reproduction anddistribution of freshwater pearl mussel (Margaritifera margaritifera) in a creek located innorthern Sweden. Freshwater pearl mussel is an endangered species and is dependent ofbrown trout (Salmo trutta) to reproduce. Therefore there are concerns of indirect effects onthe population of pearl mussel by competition between brown trout and brook trout. Ditchesfrom a nearby gravel road have been fixed to lower the sediment load into the creek. I tried toevaluate this action plan.
Grey-sided vole and bank vole abundance in old-growth forest patches of different size and connectivity
Vole populations in northern Scandinavia vary in cycles with peaks every third or fourth year as described by the National Environmental Monitoring Programme of small mammals (NEMP). Some vole species have declined in population numbers since the NEMP started in 1971, especially the grey-sided vole (Myodes rufocanus) which is nearly extinct in the forested region. Since small mammals are an important food source for several avian and mammalian predators, the decline in vole numbers is expected to have consequences for the whole food chain, especially if other vole species start to decline in numbers. This study tried to test the hypothesis that presence and abundance of M. rufocanus (a specialist species) and Myodes glareolus (a generalist species) can be predicted by patch size and connectivity of forest patches >60 years old with a minimum of 15% pine >100years old.
Parallellimport och utvecklingen av EG:s konkurrensrätt
Parallel imports often lead to lowered prices and is therefore regarded as good from a consumer's point of view. From a business'point of view this is not always the case. When do parallel imports occur? Is it possible to prevent parallel imports to protect an introduction of a product in another member state? The purpose of this thesis is to present situations where parallel imports occur and to see if it is compatible with competition law to prevent parallel imports. Furthermore I will analyse the future development after the group exemption of vertical restraints enters into force in June 2000.
Integrationen av etniska minoriteter i de tre Baltiska staterna
This essay is a comparative empirical study of ethnic integration mainly of the Russian-speaking minorities in the three Baltic states (Estonia, Latvia and Lithuania) in a post-communism setting. As Lithuania has a Polish minority that is as large as the Russian-speaking, they too shall be included in the study but not as thoroughly as the Russian-speaking minority. Thus the problem is: to what degree are the ethnic minorities integrated with the titular nations in Estonia, Latvia and Lithuania? In order to study ethnic integration I have set up a theoretical framework largely based on Weiner?s theory of integration. The theoretical framework focuses on three dimensions: Citizenship, Identity and Segregation.
Den svenska lapphunden - en ras i behov av förändring?
Many pedigree dogs are suffering from inherited diseases or personality disorders caused by selective breeding. The Swedish lapphund is a breed that has been suffering from some loss of genetic variation due to the heavy use of only a few males. Concerns have arisen and crossbreeding has been discussed as a way to manage gene loss. Four breeds has been taken into consideration for this purpose; schipperke, finish lapphund, Norwegian buhund and Norwegian elkhound, black. These breeds has been tested theoretical by a comparison of mentality and health.
Upplevelser av att arbeta med djur på daglig verksamhet : En kvalitativ intervjustudie bland personer med funktionsnedsättning
The central part in all public health work is health promotion and disease preventing actions among the population. Since all public health work includes the whole population, the work has to embrace disabled people as well. Within the disability policies, participation and equality are important goals, which illustrate the importance of a job. In previous studies the positive effects of animal have been detected among persons with disabilities, by better balance, better mobility, larger social network, new knowledge and most of all happiness. The aim of this study was to investigate how people with disabilities experience their health when they are working with animal husbandry at daily activities.
Hultsfredsfestivalen : Hur ett evenemang kan inspirera, påverka och utveckla en ort.
Purpose: The purpose with this study is to clarify what importance a co-occurrence event can have on a smaller town, and also what positive and negative consequences it can have on the town seen from a social, economic and political aspect. I will also look at what magnitude the festival have on the local commercial and industrial life and how it affects those who live there. I will also determent how the moving of the festival might come and affect the local businesses, the local population and the community it-self.Method: I will thorough-out this study work with qualitative research methodology. I will there-for process the empirical data that will be collected and used for this study from a qualitative research methodology point of view. I will likewise go through with two deep-going interviews with people well familiar with the subject to increase and strengthen the validity of my study.
Att möta den som ropar högst : En studie om biståndshandläggares bemötande av demenssjuka individer
The Swedish population is getting older and more elderly will continue to be in need ofsupport from the community to meet their everyday lives. As the population gets olderdementia also increases the spread in the country. Because of this more people withdementia will be in need of help in their everyday lives. This will increase the demandson elderly care in the municipalities where they have to offer good care. As moreindividuals suffering from dementia will be in need of help in their daily lives aid officers'encounters with people suffering from dementia and their relatives or any representativesbecome more common.The study had as objective to study aid officer's reasoning on the treatment of dementedindividuals in need of help.
Fiskarebönder och landskapet i Karlshamns skärgård förr och nu
Hällaryd archipelago, consisiting of approx. 50 islands, islets and skerries, is situated east of Karlshamn city in Blekinge province. The archipelago has been shaped into a rift valley by volcanic activity, the inland ice and maritime climate.The archipelago is divided into seven main islands: Bockö, Västra Bokö, Ekö, Hallö, Joggesö, Mjöö and Tärnö. This essay will connect population changes with land use.
Genflödet från genetiskt modifierade grödor till vilda populationer
Tillämpningen av genetiskt modifierade (GM) grödor har varit utbredd över hela världen och har ökat markant sedan den första GM-grödan blev tillgänglig för kommersiellt bruk 1996. Sedan starten har det tillkommit mycket forskning kring risken för spridning av transgener från grödor till vilda populationer. För att en transgen ska kunna etableras i en vild population så måste tidiga generationer av hybrider överleva för att kunna återkorsas upprepade gånger med den vilda arten, det gör att det genetiska materialet från grödan succesivt reduceras i varje generation tills det att transgenen är det enda DNA från grödan kvar hos avkomman. För att denna process ska vara stabil krävs det en stark selektion för transgenen. Det här sättet för en gen att etableras i en population kallas för introgression och tros ha spelat en stor roll i växternas evolution.
Demokratins förutsättningar i Västafrika : En jämförande studie av Ghana och Guinea
In subsequent to Post-colonialism the African nations have dilated into different political directions. While some nations have established well-functioning democracies, others are still under authoritarian regimes. The aim of this thesis is to examine if civil society has an impact on democratic development in West Africa. Therefore the theoretical starting point is Putnam?s theory of social capital, but this study will also examine other possible causal explanations for democratic transition.This study will be based on a comparative analysis of Ghana and Guinea.
Fyraåringars kostvanor och fysiska aktivitet
Övervikt och fetma bland barn är ett snabbt växande hälsoproblem i västvärlden, problemet är bland annat minskad fysisk aktivitet och kost med ett stort fett- och sockerinnehåll Den som varit överviktig som barn kan i större utsträckning få hälsoproblem i vuxen ålder Eftersom detta grundläggs redan i barndomen har distriktssköterskan på barnavårdscentralen en viktig roll att fylla. För att distriktssköterskan skall kunna hjälpa och stötta familjen bör de veta hur fyråringar äter och hur de rör sig. De Svenska näringsrekommendationerna kan vara stöd i samtal med föräldrar. Syftet var att kartlägga fyraåringars kostvanor och fysiska aktivitet och undersöka samband i en regional population i Mellansverige. Kostvanorna hos den regionala populationen av fyraåringar jämfördes med kostvanor hos en nationell population fyraåringar.
Ultraprocessade livsmedels effekt p? energiintag och kroppsvikt - En systematisk litteratur?versikt av randomiserade kontrollerade studier
Syfte: Syftet med denna systematiska ?versikt ?r att unders?ka hur ett h?gt intag av
ultraprocessade livsmedel (UPF) p?verkar energiintag och kroppsvikt.
Metod: Litteraturs?kningen f?r denna ?versikt genomf?rdes i databaserna PubMed och
Scopus. Inklusionskriterier var randomiserade kontrollerade studier (RCT-studier) skrivna p?
svenska eller engelska med en vuxen population p? ?ver 18 ?r med normalvikt, ?vervikt eller
obesitas (BMI>18.5 kg/m2). Exklusionskriterier var icke RCT-studier samt barn/ungdomar
under 18 ?r, sjuka eller underviktiga individer (BMI.
Sensory studies of an energy dense drink for elderly people
The average length of life is increasing in the western world, hence the older population is growing. A common health problem among the elderly is malnutrition.
Malnutrition causes decreased body strength and is associated with an amplified risk of infections, depression, fractures and increased mortality. The health
care system is therefore faced with the challenge to prevent malnutrition among the growing population of elderly. This could be done by providing nutritious
foods developed to meet the specific needs of elderly. The overall objective of this project was to test a healthy energy dense drink based on oats targeted for the elderly
consumers as a strategy to prevent malnutrition among elderly.
A risk analysis of moose close to roads
For many decades the increase in traffic volume, expansion of highways and infrastructure has lead to an increase of wildlife vehicle collisions which are unfortunately very common in many countries today. They cause great deal of material damage and even kill humans or wildlife. Measures in the form of warning signs, under- and overpasses and fencing have been implemented for a long time with the help of observation by hunters and collisions sites. However this study focuses on the moose?s perspective and the variables that, both spatially and temporally, could have an effect on why and when moose are close to certain types of roads.