IUCN / SSC Cat Specialist Group - Digital Cat Library |
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| Pi¤a, G.P.L. | |
| Population genomics of jaguars (_Panthera onca_): comparative assessment of diversity on different genomic and spatio-temporal scales | |
| 2019 Full Book | |
The jaguar is the largest predator in the Neotropics and an iconic species in many Native American cultures. It is the only extant representative of genus Panthera in the western hemisphere, and is the target of considerable attention from the scientific and conservation communities, given its threatened status across its continental range. Due to habitat loss and direct human persecution, it has already lost over half of its historical range, and some of its remaining populations are isolated and critically endangered. The jaguar has been the focus of several genetic studies and was the first large Neotropical mammal to have its genome sequenced. However, many outstanding questions remain regarding its genetic diversity, population structure and evolutionary history. For example, no genetic study has investigated diversity or structure of jaguar populations across the Amazon region, a major stronghold for the species and an important baseline against which other biomes can be compared. In addition, as jaguar genetic studies transition to genome-wide approaches, an important issue is to assess the performance of different methods, such as alternative strategies to generate and sequence reduced-representation libraries. Such comparisons are still rare in the literature, and jaguar datasets offer a useful opportunity for such an assessment. Finally, as the Jaguar Genome Project moves forward and begins to include population genomic studies, it is relevant to assess the potential of whole genome sequences generated from multiple individuals to investigate the historical demography of different populations, and their power to inform conservation efforts on behalf of this species. This dissertation addresses these three topics, each of which constitutes the focus of a scientific manuscript. |
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