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The yak genome and adaptation to life at high altitude
TLDR
Positively selected and rapidly evolving genes in the yak lineage are found to be significantly enriched in functional categories and pathways related to hypoxia and nutrition metabolism, which may have important implications for understanding adaptation to high altitude in other animal species and for Hypoxia-related diseases in humans. Expand
Yak whole-genome resequencing reveals domestication signatures and prehistoric population expansions
TLDR
This work dates yak domestication to 7,300 years before present, most likely by nomadic people, and an estimated sixfold increase in yak population size by 3,600 yr BP, which coincides with two early human population expansions on the QTP during the early-Neolithic age and the late-Holocene, respectively. Expand
Methane emissions by alpine plant communities in the Qinghai–Tibet Plateau
TLDR
Methane emissions by plant communities in alpine ecosystems in the Qinghai–Tibet Plateau are reported through long-term field observations from June 2003 to July 2006 using a closed chamber technique, with important implications with regard to the regional methane budget and species-level difference should be considered when assessing methane emissions by plants. Expand
The sustainable development of grassland-livestock systems on the Tibetan plateau: problems, strategies and prospects
The Tibetan plateau is the source of most of the major rivers of Asia and has a huge impact on the livelihoods of the population, who have for centuries engaged in traditional herding practices.Expand
Feed value of native forages of the Tibetan Plateau of China
TLDR
The nutritive value of 22 native forages consisting of sedge, grass, forb and shrub species harvested in August, September and October from the Tibetan Plateau of China was assessed by using chemical, in sacco degradability and in vitro gas production analyses, showing that metabolizable energy value (ME) decreased with maturity. Expand
Effect of fencing, artificial seeding and abandonment on vegetation composition and dynamics of ‘black soil land’ in the headwaters of the Yangtze and the Yellow Rivers of the Qinghai‐Tibetan Plateau
Rangeland management can affect plant diversity and plant functional groups of native grassland communities. To improve pasture for livestock grazing from the existing poisonous and ruderalExpand
Effect of strategic feed supplementation on productive and reproductive performance in yak cows.
TLDR
BHB and albumin testing on serum yaks could be a useful tool to identify poor nutritional status during the winter and so illustrate the need for supplementation, and general underfeeding of energy and protein in the winter/late pregnancy period with some recovery in lactation. Expand
Blood mineral status of grazing Tibetan sheep in the Northeast of the Qinghai-Tibetan Plateau
TLDR
The results indicate that the winter forage in particular is insufficient in macro-minerals and that this may lead to the observed mineral deficiencies and marginal deficiencies in Tibetan sheep in these areas. Expand
Morphological adaptations of yak (Bos grunniens) tongue to the foraging environment of the Qinghai-Tibetan Plateau.
TLDR
It is suggested that the development of characteristic filiform papillae, and more numerous lingual gland ducts and mucus-secreting pores in the lenticular, fungiform and vallate papillage, and fungiform papilla are all morphological adaptations by yak to diets with greater fiber and DM content as provided by the plants within the Qinghai-Tibetan Plateau environment. Expand
Effects of altitude on plant-species diversity and productivity in an alpine meadow, Qinghai-Tibetan plateau
During the growing seasons of 2002 and 2003, biomass productivity and diversity were examined along an altitudinal transect on the south-western slope of Beishan Mountain, Maqin County (33 degreesExpand
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