The United States in Southern Africa: Chester Crocker's linkage strategy 1981-1988

Chester Crocker was appointed as Reagan's Assistant Secretary of State for African Affairs in 1981. He had criticised the inconsistencies of US African policy and proposed a renewed emphasis on the balance between America's global interests with specific regional priorities. While the focus of Congressmen, journalists and public opinion centred on the issue of apartheid, it was the Namibian War of Independence (South African Border War) that initially drew the attention of the Reagan administration, and it was the resolution of this war that remained the priority for the US government in this region throughout Crocker's time in office.

Evolution of a rift basin dominated by subaerial deposits: The Guaritas Rift, Early Cambrian, Southern Brazil

Most existing models for the evolution of rift basins predict the development of deep-water depositional systems during the stage of greatest tectonic subsidence, when accommodation generation potentially outpaces sedimentation. Despite this, some rift basins do not present deep-water systems, instead being dominated by subaerial deposits. This paper focuses on one of these particular rift basins, the Cambrian Guaritas Rift, Southern Brazil, characterized by more than 1500 m of alluvial and aeolian strata deposited in a 50-km-wide basin. The deposits of the Guaritas Rift can be ascribed to four depositional systems: basin-border alluvial fans, bedload-dominated ephemeral rivers, mixed-load ephemeral rivers and aeolian dune fields. These four systems are in part coeval and in part succeed each other, forming three stages of basin evolution: (i) Rift Initiation to Early Rift Climax stage, (ii) Mid to Late Rift Climax stage, and (iii) Early Post-Rift stage. The first stage comprises most of the Guaritas Group and is characterized by homogeneous bed-load-dominated river deposits, which do not clearly record the evolution of subsidence rates. The onset of sedimentation of finer-grained deposits occurred as a consequence of a reactivation event that changed the outline of the basin and the distribution of the nearby highlands. This strongly suggests that the capture of the main river system to another depression decreased the sediment supply to the basin. The study of the Guaritas Rift indicates that rift basins in which the sediment supply exceeds the accommodation generation occur as a consequence of moderate subsidence combined with the capture of a major river system to the basin during the initial stages of basin evolution. In these basins, changes in the average discharge of the river system or tectonic modification of the drainage network may be the major control on the stratigraphic architecture. (c) 2009 Published by Elsevier B.V.

Landscape and soil regionalization in southern Brazilian Amazon and contiguous areas: methodology and relevance for ecological studies

Soils of a large tropical area with differentiated landscapes cannot be treated uniformly for ecological applications. We intend to develop a framework based on physiography that can be used in regional applications. The study region occupies more than 1.1 million km² and is located at the junction of the savanna region of Central Brazil and the Amazon forest. It includes a portion of the high sedimentary Central Brazil plateau and large areas of mostly peneplained crystalline shield on the border of the wide inner-Amazon low sedimentary plain. A first broad subdivision was made into landscape regions followed by a more detailed subdivision into soil regions. Mapping information was extracted from soil survey maps at scales of 1:250000-1:500000. Soil units were integrated within a homogenized legend using a set of selected attributes such as taxonomic term, the texture of the B horizon and the associated vegetation. For each region, a detailed inventory of the soil units with their area distribution was elaborated. Ten landscape regions and twenty-four soil regions were recognized and delineated. Soil cover of a region is normally characterized by a cluster composed of many soil units. Soil diversity is comparable in the landscape and the soil regions. Composition of the soil cover is quantitatively expressed in terms of area extension of the soil units. Such geographic divisions characterized by grouping soil units and their spatial estimates must be used for regional ecological applications.

Evolution of the Southern Kenya Rift from Miocene to present with a focus on the Magadi area

The Kenya (a.k.a., Gregory) Rift is a geologically active area located within the eastern branch of the larger East African Rift System (EARS). The study area is located in the southern Kenya Rift between 1° South and the Kenya-Tanzania border (covering approximately 1.5 square degrees, semi-centered on Lake Magadi) and is predominantly filled with extrusive igneous rocks (mostly basalts, phonolites and trachytes) of Miocene age or younger. Sediments are thin, less than 1.5Ma, and are confined to small grabens. The EARS can serve both as an analogue for ancient continental rifting and as a modern laboratory to observe the geologic processes responsible for rifting. This study demonstrates that vintage (as in older, quality maps published by the Kenya Geological Survey, that may be outdated based on newer findings) quarter-degree maps can be successfully combined with recently published data, and used to interpret satellite (mainly Landsat 7) images to produce versatile, updated digital maps. The study area has been remapped using this procedure and although it covers a large area, the mapping retains a quadrangle level of detail. Additionally, all geologic mapping elements (formations, faults, etc.) have been correlated across older map boundaries so that geologic units don't end artificially at degree boundaries within the study area. These elements have also been saved as individual digital files to facilitate future analysis. A series of maps showing the evolution of the southern Kenya rift from the Miocene to the present was created by combining the updated geologic map with age dates for geologic formations and fault displacements. Over 200 age dates covering the entire length of the Kenya Rift have been compiled for this study, and 6 paleo-maps were constructed to demonstrate the evolution of the area, starting with the eruption of the Kishalduga and Lisudwa melanephelinites onto the metamorphic basement around 15Ma. These eruptions occurred before the initial rift faulting and were followed by a massive eruption of phonolites between 13-10 Ma that covered most of the Kenya dome. This was followed by a period of relative quiescence, until the initial faulting defined the western boundary of the rift around 7Ma. The resulting graben was asymmetrical until corresponding faults to the east developed around 3Ma. The rift valley was flooded by basalts and trachytes between 3Ma and 700ka, after which the volcanic activity slowed to a near halt. Since 700ka most of the deposition has been comprised of sediments, mainly from lakes occupying the various basins in the area. The main results of this study are, in addition to a detailed interpretation of the rift development, a new geologic map that correlates dozens of formations across old map boundaries and a compilation of over 300 age dates. Specific products include paleomaps, tables of fault timing and displacement, and volume estimates of volcanic formations. The study concludes with a generalization of the present environment at Magadi including discussions of lagoon chemistry, mantle gases in relation to the trona deposit, and biology of the hot springs. Several biologic samples were collected during the 2006 field season in an attempt to characterize the organisms that are commonly seen in the present Lake Magadi environment. Samples were selected to represent the different, distinctive forms that are found in the hotsprings. Each sample had it own distinctive growth habit, and analysis showed that each was formed by a different cyanobacterial. Actual algae was rare in the collected samples, and represented by a few scattered diatoms.

Legal Implications of the Use of Export Taxes in Addressing Carbon Leakage: Competing Border Adjustment Measures

The prevailing uncertainties about the future of the post-Kyoto international legal framework for climate mitigation and adaptation increase the likelihood of unilateral trade interventions that aim to address climate policy concerns, as exemplified by the controversial European Union initiative to include the aviation industry in its emissions trading system. The emerging literature suggests that border carbon adjustment (BCA) measures imposed by importing countries would lead to substantial legal complications in relation to World Trade Organization law and hence to possible trade disputes. Lack of legal clarity on BCAs is exacerbated by potential counter or pre-emptive export restrictions that exporting countries might impose on carbon-intensive products. In this context, this paper investigates the interface between legal and welfare implications of competing unilateral BCA measures. It argues that carbon export taxes will be an inevitable part of the future climate change regime in the absence of a multilateral agreement. It also describes the channels through which competing BCAs may lead to trade conflicts and political complications as a result of their distributional and welfare impacts at the domestic and global levels.

Improving care of women at risk of unsafe abortion: implementing a risk-reduction model at the Uruguayan-Brazilian border

OBJECTIVE: To describe the initial stages of the implementation of a risk-reduction model designed by Iniciativas Sanitarias to shield women from unsafe abortion in a traditional community on the Uruguay-Brazil border. METHODS: This mixed-design study was conducted first between 22 and 26 March 2010, and then between 2 and 7 May 2011, in Rivera, Uruguay, to gather information from women seen at health centers, healthcare providers, and local policy makers before the project started and midway through the project. RESULTS: At baseline most women and providers considered abortion justifiable only on narrow grounds, yet favored the implementation of a risk-reduction model that would include preabortion as well as postabortion counseling, the former providing information on different abortion methods and their risks. By the midterm assessment, the counseling service had assisted 87 women with unwanted pregnancies. Of the 52 who came for a postabortion visit, 50 had self-administered misoprostol, with no complications. Women were highly satisfied with the counseling. At baseline, misoprostol seemed to be available from both pharmacists and informal sellers. At midterm, it was still available from informal vendors but pharmacists said they did not provide misoprostol. The risk-reduction initiative heightened public attention to the abortion issue but the controversy it generated did not seriously impede its implementation. CONCLUSION: It is feasible to implement the proposed risk-reduction model in a traditional community such as Rivera, not only in Uruguay but in any country irrespective of its abortion laws.

Southern Gas Corridor managed by Azerbaijan and Turkey. OSW Commentary No. 86, 2012-07-18

The Southern Gas Corridor is a European Commission initiative with the aim of facilitating the diversification of the routes and sources of gas imported into Europe in the hope of reducing the EU’s dependence on Russia. Although the Southern Gas Corridor – alongside the EU’s flagship Nabucco project, which constitutes a part of the Corridor – was originally conceived as a means of furthering the interests of the West (officially the EU but in practice also the US), the implementation of the project has become possible almost exclusively thanks to measures taken by Azerbaijan and Turkey. Consequently, a project which the EU had hoped would protect its political interests has indirectly given Azerbaijan and Turkey considerable influence over the EU, since it is those two countries that have effectively begun to define the shape of the Southern Corridor. This became particularly clear when the Trans-Anatolian gas pipeline (TANAP) agreement was signed on 26 June 2012. If the EU wishes to ensure that the implementation of the Southern Gas Corridor project retains at least some of its original design, Brussels has little choice but to take into account the preferences of Azerbaijan and Turkey at the expense of its own original plans.

A European Border and Coast Guard: Fit for purpose? CEPS Commentary, 24 February 2016

In December 2015, The Commission proposed to set up a European Border and Coast Guard (EBCG) as one of the key responses to the 2015 ‘refugee crisis’. The initiative intends to give Frontex, the EU’s current border agency, more competences, staff and equipment, and to rename it the EBCG. The new EBCG would work together with the member states’ national border and coast guard authorities.

Constructing, Creating and Contesting Cityscapes. A Socio-Anthropological Approach to Urban Transformation in Southern Xinjiang, People’s Republic of China

This manuscript is based on a PhD thesis submitted at the Institute of Social Anthropology at the University of Bern in 2014. The dissertation was part of the research project „Xinjiang Uyghur Autonomous Region and Chinese Territoriality. The Development of Infrastructure and Han Migration into the Region“ under the supervision of Prof. Dr. Heinzpeter Znoj and financed by the Swiss National Science Foundation SNSF. Madlen Kobi analyzes the architectural and socio-political transformation of public places and spaces in rapidly urbanizing southern Xinjiang, P.R. China, and in doing so pays particular attention to the cities of Aksu and Kaxgar. As the Xinjiang Uyghur Autonomous Region lies in between China and Central Asia, it is especially characterized by differing political, cultural, and religious influences, and, furthermore, due to its being a multiethnic region, by multiple identities. One might expect cultural and social identities in this area to be negotiated by referring to history, religion, or food. However, they also become visible by the construction and reconstruction, if not demolition, of public places, architectural landmarks, and private residences. Based on ethnographic fieldwork performed in 2011 and 2012, the study explores everyday life in a continuously transforming urban environment shaped by the interaction of the interests of government institutions, investment companies, the middle class, and migrant workers, among many other actors. Here, urban planning, modernization, and renewal form a highly sensitive lens through which the author inspects the tense dynamics of ethnic, religious, and class-based affiliations. She respects varieties and complexities while thoroughly grounding unfolding transformation processes in everyday lived experiences. The study provides vivid insights into how urban places and spaces in this western border region of China are constructed, created, and eventually contested.

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Surrey-Hampshire border ware ceramics in seventeenth-century English North America

During the sixteenth and seventeenth centuries, Surrey-Hampshire Border ware ceramics were among of the most popular and widely used ceramics in southern England. This ceramic, produced along the Surrey-Hampshire border, was also shipped to English colonies in North America throughout the seventeenth century. This thesis will explore the types of vessels uncovered on archaeological sites in Newfoundland, New England and the Chesapeake, and examine the similarities and differences in the forms available to various colonists during this time period. By comparing the collections of Border ware found at various sites it is possible to not only determine what vessel forms are present in Northeastern English North America, but to determine the similarities and differences in vessels based on temporal, geographic, social or economic factors. A comparative study of Border ware also provides information on the socio-economic status of the colonists and on trading networks between England and North America during the seventeenth century.

Classification of Southern Ocean krill and icefish echoes using random forests

Acknowledgements The authors thank the crews, fishers, and scientists who conducted the various surveys from which data were obtained. This work was supported by the Government of South Georgia and South Sandwich Islands. Additional logistical support provided by The South Atlantic Environmental Research Institute, with thanks to Paul Brickle. PF receives funding from the MASTS pooling initiative (TheMarine Alliance for Science and Technology for Scotland), and their support is gratefully acknowledged. MASTS is funded by the Scottish Funding Council (grant reference HR09011) and contributing institutions. SF is funded by the Natural Environment Research Council, and data were provided from the British Antarctic Survey Ecosystems Long-term Monitoring and Surveys programme as part of the BAS Polar Science for Planet Earth Programme. The authors also thank the anonymous referees for their helpful suggestions on an earlier version of this manuscript.