Conservation genetics for endangered species is crucial in long-term conservation actions.Inbreeding depression and genetic diversity are main genetic parameters with relevance toconservation. The Iberian lynx was by 2002 the most endangered felid in the world. Manyconservation programs have been carried out during the last 20 years, greatly improving theoutlook of the species. There is a paucity of information on the genetic consequences of thereintroduction program thus far. In the following research study, the most endangered Iberianlynx population, the Doñana population, is assessed to determine its actual genetic status andevaluate the genetic consequences of translocations initiated in 2007. This was achieved by thereconstruction of the pedigree of the wild population, and molecular analysis based on genotypedata with the use of Single Nucleotide Polymorphisms (SNPs). The molecular parameterscalculated were inbreeding coefficients, ancestry and genetic diversity. Results show an increase ingenetic diversity and a decrease in inbreeding following translocations. Post translocationinbreeding was found and explained by ancestral classes the individuals belonged to. These resultslay foundation for the importance of the ongoing translocations within the population andemphasize the need in the coming years for the conservation efforts carried out so far.

京都大学 / 新制・課程博士 / 博士(情報学) / 甲第25023号 / 情博第855号 / 新制||情||143(附属図書館) / 京都大学大学院情報学研究科社会情報学専攻 / (主査)教授 大手 信人, 教授 土居 秀幸, 教授 三田村 啓理 / 学位規則第4条第1項該当 / Doctor of Informatics / Kyoto University / DGAM

Endangered languages are those that are spoken by a very small percentage of the population and are at risk of disappearing with all the knowledge and diversity they contain. Endangered languages often become endangered because the speakers and the society perceive the language as low status or of little use, and a positive change in perception of the language could aid in revitalizing the language. Institutions such as governments, businesses, and universities have recently begun supporting endangered languages in several areas, and this support could greatly affect language ideologies, perceptions of and attitudes about the language. In this research project, I intend to explore the effects on how an endangered language is viewed by both speakers and non-speakers when it is supported by linguistically dominant institutions such as business and higher education. This research was conducted in various areas of Scotland and Ireland and consists of survey data, ethnographic interviews, and participant observation. Specifically, this research aims to answer the following research questions: 1) What is the relationship between institutional support and language ideologies? 2) How do different forms of institutional support affect language ideologies? Institutional support of endangered languages could provide these languages with validity and recognition as a language, as well as offer economic and status advantages to speakers, creating positive attitudes about speaking and learning the languages. This positive change in the way these languages are perceived could be a crucial step in revitalizing endangered languages and preserving the linguistic diversity of the world.

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