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The Constitution of Latvia
(2004)
The article offers a concise view on the constitution of the Baltic state of Latvia. After an introduction focusing on constitutional history, the author explores basic principles and human rights in the text of the constitution and explains the main constitutional bodies and their functions in legislative, executive and judiciary. Chapters on citizenship and religious rights round up this introduction to the Latvian Constitution.
The collapse of the tailings pond of the Aznalcállar open pit mine (West of Seville, Spain) in April 1998 left more than 4000 ha of arable land and floodplains contaminated with heavy metal containing pyrite sludge. After a first remediation campaign a considerable contamination remained in the soil. The present study evaluates the possibilities of reflectance spectroscopy and airborne hyperspectral remote sensing for the qualitative and quantitative assessment of heavy metal contamination and the acidification risk related to the mining accident. Based on an extensive data set consisting of geochemical analyses and reflectance measurements of more than 300 soil samples different chemometrics methods (multiple linear regression, partial least squares and artificial neural networks) are tested for computation of concentrations of soil constituents on the basis of the spectral reflectance. Spectral mixture analysis is applied for the analysis of the spatial distribution of the contamination. The abundance information derived from spectral mixture analysis is turned into quantitative information incorporating an artificial mixture experiment. The results of this experiment provide a link between sludge abundance and sludge weight, allowing as a consequence calculation of the amount of residual sludge per pixel, the acidification potential and other parameters important for remediation planning. The application of laboratory, field and imaging spectroscopy for providing quantitative information about the contamination levels in their spatial context is a good complement to conventional methods. The advantage is the reduction of the time and labour-intensive geochemical analysis, because after the model calibration, further samples can be analysed directly with the chemometric models. Furthermore, the spatial distribution can be mapped with imaging spectroscopy data helping in a more precise remediation planning.
As the oldest genre in New Zealand literature written in English, poetry always played a significant role in the country's literary debate and was generally considered to be an indicator of the country's cultural advancement. Throughout the 20th century, the question of home, of where it is and what it entails, became a crucial issue in discussing a distinct New Zealand sense of identity and in strengthening its independent cultural status. The establishment of a national sense of home was thus of primary concern, and poetry was regarded as the cultural marker of New Zealand's independence as a nation. In this politically motivated cultural debate, the writing of women was only considered on the margin, largely because their writing was considered too personal and too intimately tied together with daily life, especially domestic life, as to be able to contribute to a larger cultural statement. Such criticism built on gender role stereotypes, like for instance women's roles as mothers and housewives in the 1950s. The strong alignment of women with the home environment is not coincidental but a construct that was, and still is, predominantly shaped by white patriarchal ideology. However, it is in particular women's, both Pakeha and Maori, thorough investigation into the concept of home from within New Zealand's society that bears the potential for revealing a more profound relationship between actual social reality and the poetic imagination. The close reading of selected poems by Ursula Bethell, Mary Stanley, Lauris Edmond and J.C. Sturm in this thesis reveals the ways in which New Zealand women of different backgrounds subvert, transcend and deconstruct such paradigms through their poetic imagination. Bethell, Stanley, Edmond and Sturm position their concepts of home at the crossroads between the public and the private realm. Their poems explore the correspondence between personal and national concerns and assess daily life against the backdrop of New Zealand's social development. Such complex socio-cultural interdependence has not been paid sufficient attention to in literary criticism, largely because a suitable approach to capturing the complexity of this kind of interconnectedness was lacking. With Spaces of Overlap and Spaces of Mediation this thesis presents two critical models that seek to break the tight critical frames in the assessment of poetic concepts of home. Both notions are based on a contextualised approach to the poetic imagination in relation to social reality and seek to carve out the concept of home in its interconnected patterns. Eventually, this approach helps to comprehend the ways in which women's intimate negotiations of home translate into moments of cultural insight and transcend the boundaries of the individual poets' concerns. The focus on women's (re)negotiations of home counteracts the traditionally male perspective on New Zealand poetry and provides a more comprehensive picture of New Zealand's cultural fabric. In highlighting the works of Ursula Bethell, Mary Stanley, Lauris Edmond and J.C. Sturm, this thesis not only emphasises their individual achievements but makes clear that a traditional line of New Zealand women's poetry exists that has been neglected far too long in the estimation of New Zealand's literary history.
In my paper I will talk about the mutual influences between the female spectators and the programming practices of Imperial Germany- cinema. I will focus on the period of the transition from the short film programme of the "cinema of attractions" to the dominance of the long feature film, i.e. from 1906-1918. I will ask questions how the presence of women in the cinema (the place where they first entered the public sphere) influenced the practice of programming. So I will deal with the relatively new topic of the programme (and its structural changes) as a mode of exhibition and I will try to connect this to the role the female audience played in shaping this format: how does the female audience affect the changes of the programme patterns, the modification of genres and their meaning within the structure of the programme and does it finally bring about a change in the mode of reception. And on the other hand how does the cinematographical programme represent and influence the female identity, and women- wishes and needs. One must ask for the reasons why the early cinema, that was characterised by diversity concerning class, gender and cultural issues and that built a kind of alternative public sphere, was displaced by an institutionalised, state monitored and nationalised German cinema. Taking into account that this change of film forms was not a teleological evolution, "gender" might be a more useful and insightful category than "class" is to explain the changes of the programme and the essence of early cinema. First I am going to present the main ideas of my project, then I"ll talk about the composition of the audience and the relation between audience and program, after that I"ll make some remarks on the reform movement and what the reformers thought about women in the cinema and about the programming practices, and as a last part, we"ll have a look at what actually happened in the cinema and at the program of the year 1911/1912 and how this program catered to the interests of the female audience. I"ll conclude with a short outlook on the changes that occurred during WW I.
This dissertation develops a rationale of how to use fossil data in solving biogeographical and ecological problems. It is argued that large amounts of fossil data of high quality can be used to document the evolutionary processes (the origin, development, formation and dynamics) of Arealsystems, which can be divided into six stages in North America: the Refugium Stage (before 15,000 years ago: > 15 ka), the Dispersal Stage (from 8,000 to 15,000 years ago: 8.0 - 15 ka), the Developing Stage (from 3,000 to 8,000 years ago: 3.0 - 8.0 ka), the Transitional Stage (from 1,000 to 3,000 years ago: 1 - 3 ka), the Primitive Stage (from 5,00 to 1,000 years ago: 0.5 - 1 ka) and the Human Disturbing Stage (during the last 500 years: < 0.5 ka). The division into these six stages is based on geostatistical analysis of the FAUNMAP database that contains 43,851 fossil records collected from 1860 to 1994 in North America. Fossil data are one of the best materials to test the glacial refugia theory. Glacial refugia represent areas where flora and fauna were preserved during the glacial period, characterized by richness in species and endemic species at present. This means that these (endemic) species should have distributed purely or primarily in these areas during the glacial period. The refugia can therefore be identified by fossil records of that period. If it is not the case, the richness in (endemic) species may not be the result of the glacial refugia. By exploring where mammals lived during the Refugium Stage (> 15 ka), seven refugia in North America can be identified: the California Refugium, the Mexico Refugium, the Florida Refugium, the Appalachia Refugium, the Great Basin Refugium, the Rocky Mountain Refugium and the Great Lake Refugium. The first five refugia coincide well with De Lattin- dispersal centers recognized by biogeographical methods using data on modern distributions. The individuals of a species are not evenly distributed over its Arealsystem. Brown- Hot Spots Model shows that in most cases there is an enormous variation in abundance within an areal of a species: In a census, zero or only a very few individuals occur at most sample locations, but tens or hundreds are found at a few sample sites. Locations where only a few individuals can be sampled in a survey are called "cool spots", and sites where tens or hundreds of individuals can be observed in a survey are called "hot spots". Many areas within the areal are uninhabited, which are called "holes". This model has direct implications for analyzing fossil data: Hot spots have a much higher local population density than cool spots. The chances to discover fossil individuals of a species are much higher in sediments located in a "hot spot" area than in a "cool spot" area. Therefore much higher MNIs (Minimum Number of Individuals) of the species should be found in fossil localities located in the hot spot than in the cool spot area. There are only a few hot spots but many cool spots within an areal of a single hypothetical species, consequently only a few fossil sites can provide with much high MNIs, whereas most other sites can only provide with very low MNIs. This prediction has been proved to be true by analysis of 70 species in FAUMAP containing over 100 fossil records. The temporal and spatial variation in abundance can be reconstructed from the temporospatial distribution of the MNIs of a species over its Arealsystem. Areas with no fossil records from the last thousands of years may be holes, and sites with much higher MNIs may be hot spots, while locations with low MNIs may be cool spots. Although the hot spots of many species can remain unchanged in an area over thousands of years, our study shows that a large shift of hot spots occurred mainly around 1,500-1,000 years ago. There are three directions of movement: from the west side to the east side of the Rockies, from the East of the USA to the east side of the Rockies and from the west side of the Rockies to the Southwest of the USA. The first two directions of shift are called Lewis and Clark- pattern, which can be verified with the observations mad by Lewis and Clark during their expedition in 1805-1806. The historical process of this pattern may well explain the 200-year-old puzzle why big game then abundant on the east side were rare on the west side of the Rocky Mountains noted by modern ecologists and biogeographers. The third direction of shift is called Bayham- pattern. This pattern can be tested by the model of Late Holocene resource intensification first described by Frank E. Bayham. The historical process creating the Bayham pattern will challenge the classic explanation of the Late Holocene resource intensification. An environmental change model has been proposed to account for the shift of hot spots. Implications of glacial refugia and hot spots areas for wildlife management and effective conservation are discussed. Suggestions for paleontologists and zooarchaeologists regarding how to provide more valuable information in their future excavation and research for other disciplines are given.
Many real-life phenomena, such as computer systems, communication networks, manufacturing systems, supermarket checkout lines as well as structural military systems can be represented by means of queueing models. Looking at queueing models, a controller may considerably improve the system's performance by reducing queue lengths, or increasing the throughput, or diminishing the overhead, whereas in the absence of a controller the system behavior may get quite erratic, exhibiting periods of high load and long queues followed by periods, during which the servers remain idle. The theoretical foundations of controlled queueing systems are led in the theory of Markov, semi-Markov and semi-regenerative decision processes. In this thesis, the essential work consists in designing controlled queueing models and investigation of their optimal control properties for the application in the area of the modern telecommunication systems, which should satisfy the growing demands for quality of service (QoS). For two types of optimization criterion (the model without penalties and with set-up costs), a class of controlled queueing systems is defined. The general case of the queue that forms this class is characterized by a Markov Additive Arrival Process and heterogeneous Phase-Type service time distributions. We show that for these queueing systems the structural properties of optimal control policies, e.g. monotonicity properties and threshold structure, are preserved. Moreover, we show that these systems possess specific properties, e.g. the dependence of optimal policies on the arrival and service statistics. In order to practically use controlled stochastic models, it is necessary to obtain a quick and an effective method to find optimal policies. We present the iteration algorithm which can be successfully used to find an optimal solution in case of a large state space.