Background Salar is a Turkic-speaking Islamic ethnic group in China living mainly in Xunhua Salar Autonomous County (Xunhua or Xunhua County), Qinghai-Tibet Plateau. Salar people are skilled in horticulture and their homegarden (HG) management. They are regarded as the first people on the Qinghai-Tibet Plateau to practice horticulture, especially manage their HGs, traditional farming systems, and supplementary food production systems. Traditional knowledge of Salar people associated with their HGs always contributes significantly to the local livelihood, food security, ornamental value, and biodiversity conservation. The cultivation of different plants in HGs for self-sufficiency has a long tradition in China’s rural areas, especially in some mountainous areas. However, Salar traditional HGs have not been described. The present paper aims to report the features of Salar HGs mostly based on agrobiodiversity and its ecosystem services. Methods The methods used in this work included semi-structured interviews and participatory observation. A total of 60 households in three townships, 9 villages were surveyed. There are 4–12 family members in each household, aged from 20 to 86 years old. The homestead size is between 200 and 1200 m2. Plant species cultivated in Salar HGs were identified according to Flora of China. Based on a comprehensive survey of Salar HGs and related to background data, we identified and characterized the most important services and functions provided by Salar HGs. Results According to primary production systems, there are 4 different types of Salar HGs, including ornamental focus, product focus, dual-purpose and multi-purpose. In total, 108 (excluding weeds and bonsai) plant species were recorded in Salar HGs, within 43 plant families. The most important and frequently used plants are Rosa chinensis, Armeniaca vulgar, Prunus salicina, and Ziziphus jujuba. About 4 to 32 plant species were recorded in each homegarden. We found that the Salar HGs, as a typical agroecosyste, prossess multiple servcices and functions that directly benefit households according to the field investigation. Conclusion This paper reveals the floristic diversity of Salar HGs. It presents useful information in the homegarden agroecosystem of Salar people, such as HG types and species diversity in Salar HGs. Ecosystem functions and services research suggested that the Salar HG agroecosystem provides agroecosystem services mainly related to supply and culture services. Salar HGs are important as food supplement resources, aesthetics symbol, and cultural spaces.
Salar people are Turkic-speaking Islamic people and an ethnic group with a small population in China. Wattled-wall house of Salar people is a type of traditional house threatened by extinction. In 2008, the wattled-wall house construction skills were selected for the national intangible cultural heritage list. It is mainly distributed in Xunhua Salar Autonomous County, Qinghai Province of China. So far, Salar people′s traditional wattled-wall house knowledge has been poorly documented. Therefore, a study supporting cultural preservation efforts is needed, including preserving plants used in its construction. This study mainly applied ethnobotanical methods based on data collection through observation, interviews, and documentation. Additionally, ArcGIS data analysis is also used to supplement the evaluation of the traditional wattled-wall house. This study aimed to (1) document traditional knowledge about the wattled-wall house construction, (2) and evaluate the current status of the wattled-wall house from different angles like the environmental adaptability and internal advantages and disadvantages. The result showed that the local people still apply the knowledge about the wattled-wall house from generation to generation. However, due to some practical reasons, the wattled-wall house is on the verge of extinction. There are 11 plant taxa used as construction materials in wattled-wall house. Conservation efforts for species involved in the wattled-wall house are needed, especially the ones with limited availability. Re-use of wattled-wall house is needed in order to maximize the economic benefits and to safeguard its historical and architectural values. It is recommended that the conservation of this cultural heritage needs more attention and effort from the local government or the society.
Background: Salar is a Turkic-speaking Islamic ethnic group in China, who live primarily in Xunhua Salar Autonomous County, Qinghai-Tibet Plateau. Salar people have engaged in agriculture especially skilled in horticulture and their homegardens (HGs) management. They are regarded as the first people on Qinghai-Tibet plateau to practice horticulture, especially manage their HGs, which are traditional farming systems and also supplementary food production systems. Traditional knowledge of Salar people associated with their homegardens always contributes in livelihood, food security, ornamental value and biodiversity conservation. The cultivation of different plants in HGs for self-sufficiency has a long tradition in China’s rural area especially in some mountainous areas. However, Salar people’s traditional HGs have not been described. The present paper aims to report the features of Salar’s HGs focusing on agrobiodiversity and its important role. Methods: The methods used in this work included literature study, semi-structured interviews, participatory observation, and panel consultation. A total of 60 households in each 9 villages were surveyed. In each household there are 4-12 family members, aged from 20 to 86 years old. The homestead size is between 200 and 1200 m2. Plant species cultivated in homegardens were identified according to Flora of China. Based on comprehensive survey of Salar people’s HGs and related background data, we identified and characterized the most important functions and ecosystem services provided by HGs of Salar people.Results: According to primary production systems, there are 4 different types of HGs, including ornamental focus, product focus, dual-purpose and multi-purpose. In total 108 (excluding weeds and bonsai) plant species were found in HGs of study area, within 43 families. The most important and frequency plants are Rosa chinensis, Armeniaca vulgaris, and Capsicum annuum. The average number of plants varied from 4 to 32 species in each homegarden in three investigated townships. HGs of Salar people contain 8 different functions and we identify and characterize 16 services: 2 regulating services, 2 support services, 4 production services and 8 culture services.Conclusion: This paper reveals the floristic diversity of HGs of Salar communities. Meanwhile, it provides basic information for homegarden agroecosystem of Salar people. Ecosystem services and function research suggested that Salar people’s homegarden agroecosystem provide ecosystem services mainly related to supply services and culture services. Salar people’s HGs are important food supplement, aesthetics and cultural spaces where knowledge related to agricultural practices is transmitted and through which households may improve their leisure and livelihoods.
In this paper, adopting orthogonal design method, the Morchella esculenta mycelia from Qinghai-Tibetan plateau was preliminary studied in different growing conditions such as pH, temperature, carbon sources, nitrogen sources and growth factors. The results showed that the M. esculenta mycelium liquid fermentation pH was between 6.0 to 7.0, cultivating optimum temperature 24˚C, training required for 1.2% of potassium nitrate nitrogen (KNO 3), carbon source was 4.5% soluble starch, growth factor biotin was 0.1%. At the same time, we also took the plateau M. esculenta polysaccharide fermentation liquid extraction, the extraction time was optimal combination 2 h, precipitated with ethanol concentration of 90% extraction ratio 1:20, the highest yield of polysaccharides.
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