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Walnuts are a major crop of many countries and mostly cultivated in large-scale plantations with few cultivars. Landraces provide important genetic reservoirs; thus, understanding factors influencing the geographic distribution of genetic variation in crop resources is a fundamental goal of agrobiodiversity conservation. Here, we investigated the role of(More)
As a portable source of food, water, fuel, and construction materials, the coconut (Cocos nucifera L.) played a fundamental role in human migrations and the development of civilization across the humid tropics. Here we investigated the coconut's domestication history and its population genetic structure as it relates to human dispersal patterns. A sample of(More)
Khawa Karpo, in the eastern Himalayas, is a mountain considered sacred throughout Tibet, and is internationally recognized as a global biodiversity hotspot. Numerous areas within this landscape are considered ‘sacred’ by the indigenous Tibetans of the region, who interact with these sites in ways potentially beneficial to conservation. Our previous remote(More)
Tibetan medicine historically has had multiple medical lineages, despite ancient, shared literary medical canons. However, since the second half of the 20th century in Tibet, increasing state control and commoditization has lead to centralization and standardization of Tibetan medicine. Here we investigate how much variation in the use of medicinal plants(More)
PREMISE OF THE STUDY The genome size of a species (C-value) is associated with growth, development and adaptation to environmental changes. Angiosperm C-values range 1200-fold and frequently vary within species, although little is known about the impacts of domestication on genome size. Genome size variation among related species of palms is of evolutionary(More)
BACKGROUND The pre-Columbian presence of coconut on the Pacific coast of Panama is attested by a number of independent written accounts. However, recent papers question their accuracy and conclude that coconut was introduced to the region by the Spaniards after their conquests. Scope In order to examine the value of such claims, an extensive search was(More)
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