• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 20
  • 3
  • 2
  • 2
  • 2
  • 1
  • 1
  • 1
  • 1
  • Tagged with
  • 42
  • 42
  • 33
  • 11
  • 9
  • 9
  • 8
  • 8
  • 6
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

Cave usage and the implications of multiple taphonomic agents on a faunal assemblage

Bountalis, Alexandra Clare 01 February 2013 (has links)
The means in which fossil accumulations in the caves of southern Africa have formed is of great importance. One method of accumulation is via the collecting behaviours of a variety of mammalian species. The core of said behaviour is in the use of caves by these species. This project was designed to give insight to the way that animals in the Cradle of Humankind, South Africa are using caves today. The objective of this research is to give a new understanding to the amount that caves are used by various taxa in South African cave systems, with particular regard to taphonomic agents and potential taphonomic agents. This study was accomplished over a 20-month period by setting up motion sensor cameras outside of cave entrances at the Malapa Nature Reserve. Results have shown that animals use caves at high frequencies, crucial to recognize when examining fossil accumulations.
22

Geophysical Survey and the Emergence of Underground Archaeological Landscapes: The Heart of Neolithic Orkney World Heritage Site.

Card, N., Gater, J.A., Gaffney, Christopher F., Wood, E. January 2007 (has links)
No / As the essays in this book demonstrate, Prehistoric and Romano-British landscape studies have come a long way since Hoskins, whose work reflected the prevailing 'Celtic' ethnological narrative of Britain before the medieval period. The contributors present a stimulating survey of the subject as it is in the early twenty-first century, and provide some sense of a research frontier where new conceptualisations of 'otherness' and new research techniques are transforming our understanding.
23

The choice of Interventions for strengthening of historical adobe structures and remains in Bam Citadel "Arg-e Bam"

Shad, Shirin 09 November 2015 (has links) (PDF)
Bam Citadel is a unique complex with some mediocre buildings in it. Construction started in the Achaemenid period (550–330 BC) and is still being completed and repaired up to the 21st century. Although the Bam region is located in south-western Iran in an active seismic zone, the City of Bam had not reported any major historical earthquake before 26th Dec. 2003. The massive earthquake that day killed or injured more than 37,000 people and most of the city collapsed. Bam Citadel became a unique adobe complex for the World Heritage community after this disaster. According to the surveys, the earthquake caused damage to about 23% of the ancient monuments close to and inside the Citadel. Most of the ruins were the parts that already added to the main body of work or were repaired during the last intervention of 1993. For this reason the technical method, used for the enhancing of the adobe building, is highlighted as the main task. There are four items which are very important for any seismic upgrading in heritage sites: seismology of the area, quality of the construction, function of the building and cultural values. A wide variety of intervention strategies and techniques have been considered for the repair and the seismic retrofitting of the adobe buildings in the Citadel. With respect to that point, the possible relationship between the cultural values and seismic upgrading are always polar opposites. Obviously the buildings in Bam Citadel have many problems, for example the geometry data are not available, there are large variability layers, construction sequence is unknown, existing damage in the structures is very serious, regulation and codes are non-applicable and so on. In fact in this research I am trying to adjust the stability and safety measures with values of the cultural heritage property as much as possible; on the other hand I am trying to optimize the strengthening methods to an acceptable amount of side affect on values. This PhD thesis focuses on the strategies and the techniques that have been applied to preserve the historical monuments and to evaluate the traditional and modern engineering methods that are used in conservation projects in Bam Citadel.
24

Fossil lizards (squamata,reptilia) from the early Pleistocene of Cooper's Cave (South Africa): taxonomy and further implications for the herpetofaunal studies of the plio-pleistocene sites from the Cradle of Humankind

Vilakazi, Nonhlanhla 01 July 2014 (has links)
South Africa is well known for its many, important fossil bearing deposits of Plio-Pleistocene age. Many of these sites contain abundant remains of extinct and extant animals including hominins. Non-herpetological fauna have been used to reconstruct important information about past environments and for chronological data. This study tried a different method; using herpefauna to establish past environments of Cooper’s Cave. Herpetological fauna potentially have numerous advantages in their use for such questions, including typically limited ranging behaviors, and specific temperature requirements. Despite these advantages only a few studies have even mentioned the presence of squamate fauna in the fossil assemblages of these sites. This study has demonstrated that herpefauna exists, in reasonable levels of abundance and with adequate preservation within the fossil record of the dolomitic region now known as the Cradle of Humankind. It has also demonstrated for the first time the presence of a relative abundance of herpefauna at numbers far greater than any previous study has recognized. The present study was however, handicapped in not being able to fully utilize the material at hand to interpret past environments, owing to the lack of comparative material needed to move beyond the family or generic level in most cases with any degree of confidence. However, Agamids and Pseudocordylids were described to generic level. However, the many shortcomings that this work highlighted should not be seen as reason not to pursue the study of herpefauna, but to improve present comparative collections and collecting methods around the fossils themselves.
25

Le canal du Midi : un patrimoine paysager en évolution : une image, une stratégie de développement touristique, et un mode de gouvernance à repenser ? / Canal du Midi : a changing landscape heritage : rethinking an image, a tourism development strategy and a governance model ?

Rebolledo, Lisa 07 December 2017 (has links)
Construit dans le but de relier la Garonne à la mer Méditerranée à partir de 1666, et inscrit sur la liste du Patrimoine mondial de l'UNESCO en 1996, le canal du Midi connaît aujourd'hui une nouvelle étape dans l'histoire de son évolution paysagère. En 2006, le chancre coloré, maladie du platane connue pour être incurable, est découvert. À terme, les 42 000 arbres de cette espèce ombrageant le canal, de Toulouse à l'étang de Thau, seraient menacés de disparition, leur abattage constituant pour le moment l'unique solution pour tenter d'enrayer l'infection. Alors qu'il est utilisé aujourd'hui presque exclusivement par le tourisme, on peut se demander quelles seront les conséquences de la disparition de la voûte verte formée par les platanes, alors qu'elle constitue une caractéristique fortement appréciée pour des raisons esthétiques et de confort. La disparition des platanes bordant le canal du Midi a mis en exergue de multiples dysfonctionnements liés à l'implication d'une pluralité d'acteurs aux objectifs parfois divergents et n'ayant jamais véritablement réussi à se fédérer autour d'une gouvernance globale. Cette thèse propose donc de questionner les enjeux liés à ce bouleversement et son influence sur le positionnement des acteurs des territoires traversés par l'ouvrage. J'envisage le chancre coloré comme un élément perturbateur qui laisse à lire des réalités différentes en fonction des échelles du territoire concerné par l'avenir du site canal du Midi, certains territoires révélant leur vulnérabilité mais d'autres pouvant démontrer leur capacité de résilience. Il peut également être un révélateur d'autres dynamiques liées à l'évolution de la gestion des territoires. / Engineered from 1966 onwards in order to connect Garonne River to Mediterranean Sea, registered on UNESCO'S World Heritage List since May 1996, the Canal du Midi is now facing a new step of his landscape's evolution. In 2006, canker disease, which affects plane trees with no hope of recovery, is discovered. Sooner or later, the 42,000 plane trees which shadow the waterway, from Toulouse to the Thau Lagoon, will disappear, their removal being at present the only option for containing the spread of the disease. Nowadays, the Canal du Midi is used mostly for tourism purposes, so we can wonder what will be the consequences of the green canopy's disappearance, this one being highly appreciated for aesthetic and convenience reasons. The destruction of the plane trees has highlighted various failures related to the implication of multiple actors whose objectives are sometimes diverging, and who have never succeeded to agree on a common and global governance. The aim of this thesis is therefore to review the issues related to this upheaval and its consequences on local stakeholders positioning. Canker disease is thus considered as a disruptive factor which point out different field realities according to the scale of the territory involved in the Canal du Midi's future. Some of these territories show their vulnerability, while others exhibit resilience and capacity to adapt to this new environmental reality. It may also reveal other dynamics linked with the evolution of territorial management.
26

Gränsöverskridande natur-och kulturvård : Konflikt, motsättning och samarbete i den pyreneiska gränstrakten Monte Perdido

Karlsson, Marianne January 2008 (has links)
<p>Transboundary protected areas are a fairly recent concept that have been increasing in popularity and are increasingly being integrated into large international organizations’ environmental policy making. This essay examines the phenomena through the cooperation between two national parks, Parc National des Pyrénées in France and Parque Nacional Ordesa Monte Perdido in Spain. The theoretical framework used in this essay is based upon border theory, focusing on the different factors that influence the behavior of the border dweller and how the different social conceptions of nature influence the way it is managed. The results in this study result from researching published and private documents from the national parks and interviews carried out with staff from the park administrations from both countries. The collaboration between these two national parks dates back twenty years and the cooperation has been carried out in many small projects. Historical ties between the villages in the border region, which also shares a common culture and lingual heritage, have inspired the cooperation. There are also economical benefits that influence the collaboration, such as the European Union’s regional policy that provides funds for transboundary cooperation. A mutual world heritage site, Pyrénées – Mont Perdu, is also situated within the parks’ territories, which should be managed conjointly by the national parks. However, an in-depth and well-integrated cooperation has not been found, as difference in the nature and how the organizations themselves are managed and regulated has generated a long and complicated course for decisions regarding cooperation. It appears that even if nature itself might be boundless, the national jurisdictions that prevail over nature are clearly adhered to and there are no available transboundary structures designed to handle a cooperation of this kind.</p> / <p>Gränsöverskridande naturvård är ett relativt nytt koncept som alltmer ökat i popularitet och även inlemmats i flera stora internationella organisationers naturvårdspolicy. Denna uppsats syftar till att undersöka gränsöverskridande naturvård mellan två angränsande nationalparker, Parc National des Pyrénées i Frankrike och Parque Nacional Ordesa Monte Perdido i Spanien. Uppsatsen har utgått ifrån gränsteoretiska utgångspunkter i form av vilka faktorer som påverkar gränsbeteendet och med särskilt fokus på hur föreställningar om naturen påverkar hur denna förvaltas. Samarbetet har granskats genom dokument publicerade av parkerna samt genom intervjuer med personal i de båda parkerna. Nationalparkerna har under drygt tjugo år haft en viss samverkan som konkretiserats genom flera småskaliga projekt. Samarbetet har inspirerats av en historisk samverkan mellan byarna i gränsregionen som har ett gemensamt språk och kulturarv samt ekonomiska incitament i form av den Europeiska Unionens stöd för samverkan mellan gränsregioner. Inom nationalparkernas område återfinns även ett gemensamt världsarv, Pyrénées – Mont Perdu, som skall förvaltas av nationalparkerna tillsammans. Studien visar dock att en fördjupad samverkan mellan parkerna inte har kunnats implementeras i praktiken, eftersom naturen förvaltas och regleras på olika sätt i de båda nationalparkerna. Skillnader mellan Parc National des Pyrénées och Parque Nacional Ordesas förvaltningsstruktur och administrationssätt gör att beslutsvägen för samarbetsfrågor blir lång och komplicerad. Även om naturen själv är gränslös, visar studien att de bestämmelser som råder över den, är starkt bundna till den nationella organisationsformen och att det i nuläget inte finns någon gränsöverskridande struktur som kan hantera frågor av detta slag.</p>
27

Gränsöverskridande natur-och kulturvård : Konflikt, motsättning och samarbete i den pyreneiska gränstrakten Monte Perdido

Karlsson, Marianne January 2008 (has links)
Transboundary protected areas are a fairly recent concept that have been increasing in popularity and are increasingly being integrated into large international organizations’ environmental policy making. This essay examines the phenomena through the cooperation between two national parks, Parc National des Pyrénées in France and Parque Nacional Ordesa Monte Perdido in Spain. The theoretical framework used in this essay is based upon border theory, focusing on the different factors that influence the behavior of the border dweller and how the different social conceptions of nature influence the way it is managed. The results in this study result from researching published and private documents from the national parks and interviews carried out with staff from the park administrations from both countries. The collaboration between these two national parks dates back twenty years and the cooperation has been carried out in many small projects. Historical ties between the villages in the border region, which also shares a common culture and lingual heritage, have inspired the cooperation. There are also economical benefits that influence the collaboration, such as the European Union’s regional policy that provides funds for transboundary cooperation. A mutual world heritage site, Pyrénées – Mont Perdu, is also situated within the parks’ territories, which should be managed conjointly by the national parks. However, an in-depth and well-integrated cooperation has not been found, as difference in the nature and how the organizations themselves are managed and regulated has generated a long and complicated course for decisions regarding cooperation. It appears that even if nature itself might be boundless, the national jurisdictions that prevail over nature are clearly adhered to and there are no available transboundary structures designed to handle a cooperation of this kind. / Gränsöverskridande naturvård är ett relativt nytt koncept som alltmer ökat i popularitet och även inlemmats i flera stora internationella organisationers naturvårdspolicy. Denna uppsats syftar till att undersöka gränsöverskridande naturvård mellan två angränsande nationalparker, Parc National des Pyrénées i Frankrike och Parque Nacional Ordesa Monte Perdido i Spanien. Uppsatsen har utgått ifrån gränsteoretiska utgångspunkter i form av vilka faktorer som påverkar gränsbeteendet och med särskilt fokus på hur föreställningar om naturen påverkar hur denna förvaltas. Samarbetet har granskats genom dokument publicerade av parkerna samt genom intervjuer med personal i de båda parkerna. Nationalparkerna har under drygt tjugo år haft en viss samverkan som konkretiserats genom flera småskaliga projekt. Samarbetet har inspirerats av en historisk samverkan mellan byarna i gränsregionen som har ett gemensamt språk och kulturarv samt ekonomiska incitament i form av den Europeiska Unionens stöd för samverkan mellan gränsregioner. Inom nationalparkernas område återfinns även ett gemensamt världsarv, Pyrénées – Mont Perdu, som skall förvaltas av nationalparkerna tillsammans. Studien visar dock att en fördjupad samverkan mellan parkerna inte har kunnats implementeras i praktiken, eftersom naturen förvaltas och regleras på olika sätt i de båda nationalparkerna. Skillnader mellan Parc National des Pyrénées och Parque Nacional Ordesas förvaltningsstruktur och administrationssätt gör att beslutsvägen för samarbetsfrågor blir lång och komplicerad. Även om naturen själv är gränslös, visar studien att de bestämmelser som råder över den, är starkt bundna till den nationella organisationsformen och att det i nuläget inte finns någon gränsöverskridande struktur som kan hantera frågor av detta slag.
28

The presence of stygobitic macroinvertebrates in karstic aquifers: a case study in the cradle of humankind world heritage site

Tasaki, Sayomi 20 June 2008 (has links)
Subterranean ecosystems are regarded as the most extensive biome on earth, comprising terrestrial and aquatic systems - the latter constituting freshwater, anchialine and marine systems. This system plays a key role in the distribution and storage of freshwater, once it contains 97% of the world’s total liquid freshwater (Chapter 1), which has been progressively explored in quality and amount. Initial observation of the subterranean environment began with speleological studies by the recognition of a typical fauna adapted to live inside caves. The first studies to provide information about aquatic subterranean fauna commenced in Slovenia, with the description of the Proteus aguinus by Laurenti in 1768. After an initial faunal classification by the Danish zoologist Schiödte (1849), the Austrian naturalist Schiner (1854) established the most commonly used classification for cave fauna and a great portion of modern research dealing with ecobilogy of aquatic subterranean fauna has mostly evolved from the European biospeleology (Chapters 1 and 3). Studies in biospeleology have made a significant contribution to the progressive knowledge in aquatic subterranean ecology, especially in those circumstances where the access of the underground through smaller voids (e.g. crevicular spaces) is not possible. Accessibility to the underground environment is in fact a negative factor that has led a large number of studies consider about subterranean fauna initially being limited to caves. Spatial constraint was (and still is) a limiting factor in accessing a diverse range of subsurface habitats, although during the last decade, modern research has been using advance technology as a tool to overcome the physical barriers to subterranean research. For a long time the classification of subterranean aquatic organisms was an unclear subject, with the classification subterranean fauna mostly related to terrestrial cave fauna (troglofauna). The classification system dealing with aquatic subterranean groups (stygofauna) is more recent. A few nomenclature schemes have been proposed to describe these relationships, based on morphological, behavioural, and ecological adaptations of animals to the underground life and their level of relationship with groundwater (Chapter 4). The prefix “stygo” is suggested as the most descriptive to refer ecologically to a group of animals related to groundwater habitats. Groundwater related fauna (stygofauna) is comprised by groups of animals encompassing aquatic surface, intermediate and subterranean habitats. They represent diverse group of animals that have different interactive relationships with the groundwater habitat. Some may transact between surface water and groundwater systems, while others spend the whole life cycle in the subterranean voids (Gibert et al., 1994). This transition zone between surface streams and groundwater is recognized as a critically important boundary or ecotone, constituted by a habitat that contains a reservoir of invertebrate fauna biodiversity. It is therefore from the study of karst systems that most information on groundwater ecobiology is resourced, once the open structure of most karsts terrains promotes a number of caves, streams, crevices, sinkholes, and springs to allow human access. Karst systems are well fractured because of the relation between the rock mass and the action of meteoric water, as well as the dissolution rate of calcium carbonate rocks that high. The latter increases with time, producing a terrain with a great drainage potential (Chapter 2). Once porosity is high and the flow of percolating water is fast, it allows good vagility for subterranean fauna and nutrients, as well as penetration of contaminants. In subterranean karsts, much water saturates some areas inside rock spaces. The saturation in the rock in turn promotes large water pockets, known as aquifers. When these groundwater aquifers are found to be interconnecting with the adjacent ecosystems, they became active eco-hydrological components, due to their key participation in the surface-groundwater continuum. Groundwater has different degrees of importance, depending on the available sources of surface water. In many countries it supplies a significant proportion of urban and rural drinking water, industrial, and agricultural. Yet, groundwater systems are “hidden”, difficult in access and to study (Chapter 4, 5 and 7), consequently the recognition of the groundwater aquifer as a natural resource that needs to be protected is largely ignored. Moreover, studies in the ecobiology and distribution of stygobitic invertebrates (Chapter 5), and the need to identify a frame of methods for quality assessment and the suitability of groundwater invertebrates as bioindicative elements, has not been developed (Chapter 6). Finally, strong management and public education programs are required to emphasize the need for a better understanding of the nature of groundwater resources, their participation and complexity (Chapter 8), with the conceptualization of the groundwater aquifer integrity as an ecosystem still receiving little attention in South Africa. / Dr. J.F. Durand Prof. G.J. Steyn
29

Stone exposures : a cultural geology of the Jurassic Coast

Ferraby, Rose January 2015 (has links)
People have varied and complex relationships with stone, in its raw geology and in its altered forms. Often, however, in cultural contexts, stone remains in the background, as a taken for granted and unremarkable element of the material world. In this thesis, stone moves into the foreground. The research presented here explores how close attention to those who work intimately with stone can disclose unexpected and absorbing stories. The cultural geologies extracted and presented in this thesis cast light on the diversity of ways in which people relate to, and with, the land; and experiment with a range of different ways in which these relations can be narrated. Set on the Jurassic Coast, in the south west of England, the stone exposures that emerge along the margin between land and sea offer a productive site for developing a cultural geological approach. The limestones, shales and clays are framed, in this work, by the narratives of quarrymen and geologists. The work explores how their particular knowledges are formed, and how they exist within wider historical and ecological understandings. Their narratives bring the stratigraphy to life, and draw attention to the hidden worlds within it. The different priorities and perspectives of quarrymen and geologists are shown to lead in different directions, interweave, or run parallel. The very specific languages and descriptions they employ reveal a level of complexity and richness of detail that is mirrored in the stone. Using an approach that combines close observation and creative practice, this study examines stone at a variety of scales, and in different contexts. The work engages with specific stone types, landscapes, voids, buildings and objects. Processes of working stone through practices of lettering, sculpture and masonry elicit understandings of the material that reach far beneath its surface. The absent spaces of quarries are then explored, showing how voids can be animated with knowledge, and how destructive processes can generate creative potential, when sensitively worked and considered. Lastly, the study draws all these ideas together in a discussion of stone assemblages in buildings, to see how voices from geology and quarrying can foster greater understanding of how buildings were constructed in the past, and how we conserve them into the future.
30

Angkorské chrámy a jejich vliv na cestovní ruch Kambodže / Angkor temples and their influence on tourism of Cambodia

Pratasenia, Yury January 2012 (has links)
The subject of this master thesis are Angkor temples which represent an invaluable cultural and historical heritage of Cambodia. The tourism of Cambodia grows constantly every year thanks to the vast flow of tourists coming to see Angkor. Angkor temples are among the most visited tourist sites in the world and Cambodia is the one of the poorest countries in Asia. The aim of this thesis s to show how one tourist site can effect the tourism of the whole country and how this country is using the potential of this site for in order to increase financial revenues instead of developing other regions of the country.

Page generated in 0.061 seconds