Brief Introduction: Second Tibetan Plateau Scientific Expedition Program
Number of Datasets: 694
1) Data content: Paleomagnetic data can establish paleomagnetic time frame, magnetic and geochemical indicators can restore the climate change in geological history, and heavy mineral analysis can be used to trace provenance. 2) Data sources and processing methods Data sources are experimental data. Magnetic data: The samples collected in the field were ground into fine particles in a 2x2x2 non-magnetic plastic box with a mortar, and tested with a Kapobridge magnetometer, pulse magnetometer and rotary magnetometer. Carbon isotope data: The samples were dried at 40℃, then studied to less than 200 mesh, and reacted with 100% phosphoric acid to release CO2 gas in a gas source isophase mass spectrometer. Grain size data: Analysis of decomposed samples using a Malvern Mastersizer 2000 particle size analyzer. Prior to analysis, organic matter was removed with hot hydrogen peroxide and then carbonate was removed with hydrochloric acid in accordance with standard Procedures of Lanzhou University. 3) Data quality Sample collection and experimental processing were carried out in accordance with strict standards, and the data obtained were of reliable quality. 4) Data application achievements and prospects One SCI paper was published using the data, which was Ni.
2022-05-11 174 42
The dataset includes pictures of culturable bacterial colonies from Amuco (AMC), Bangkog Co (BGC), Palung 4 glacier (PL4) and Yuzhufeng (YZF) ice core on the Tibetan Plateau, which can reflect basic information such as color and transparency of colonies. A table of information is attached, including the latitude and longitude of the colony's origin, water depth and color, etc. In this experiment, different bacteria were isolated from ice, snow, lake and other habitats on the Qinghai Tibet Plateau. These bacteria show different colors, which may be related to the bacteria adapting to the environment of strong radiation, low temperature and oligotrophic on the Qinghai Tibet Plateau, and adapting to the harsh environment through different pigment production capacity. The colonies are obtained by coating the lake water plate and culturing at low temperature (4 ℃) (R2A medium, etc.) to determine that they are pollution-free and single colonies. 16S rRNA full-length sequencing will be carried out for the obtained single colony, and whether it is a new species will be determined by 97% similarity; If the sequence similarity between this strain and the most similar strain is less than 97%, a whole genome mapping will be carried out to determine the phylogenetic relationship of this strain in the corresponding genera, families and even phyla, and determine whether this strain has a new developmental status to supplement the microbial diversity of lakes on the Tibetan Plateau.
2022-05-11 259 0
Flood risk assessment data along Sichuan Tibet railway, including natural indicators, risk, vulnerability and risk assessment data. Data source: obtained from the earth big data science and Engineering website; Calculated and obtained according to DEM downloaded by USGS. Processing method: the maximum 24h precipitation with five-year return period is obtained by calculating the frequency according to the annual maximum 24h precipitation sequence in the assessment area; The river network index is obtained by cutting and processing the level 6 water network of Haihe River version in the assessment area; The risk is obtained by calculating the maximum 24h precipitation once in five years and the assignment of river network index; Vulnerability is obtained by weighting the data of population density, transportation cost and total GDP; Risk data is calculated based on risk and vulnerability weighting. Formulate digital processing operation specifications. In the process of processing, the operators are required to strictly abide by the operation specifications, and a special person is responsible for the quality review. The data integrity, logical consistency, position accuracy, attribute accuracy, edge connection accuracy and current situation all meet the requirements of relevant technical regulations and standards formulated by the State Bureau of Surveying and mapping, and the quality is excellent and reliable.
2022-05-07 184 60
The photos include daily (2021.7.25-2021.8.6) scientific research disaster points and working photos, as well as the questionnaire of each disaster point (including landslide, collapse, debris flow, etc.), identify the disaster points recorded every day on the map, convert them into KMZ format, and analyze the distribution of disaster points in the scientific research area on GIS. The distribution of disaster points shows that there are fewer disaster points along the north line and in the scientific research county, while there are more disaster points along the south line and in the scientific research county. During the scientific research, wind sand points and mountain erosion points were found and recorded. Especially in the valleys and gullies around the Himalayas, disasters such as landslide and debris flow are easy to occur, while geological disasters are not easy to occur in the Qiangtang plateau area (plateau surface). The photos of disaster points can reflect the disaster characteristics of a region. They are intuitive data for studying local disaster types, and then have basic significance for local disaster types, distribution and disaster prevention and reduction measures.
2022-05-06 190 0
1) In recent years, with the global climate change, coupled with the internal dynamic disturbance and strong tectonic uplift, mountain disasters and floods in the Qinghai Tibet Plateau occur frequently, which poses a great threat to rural settlements in mountainous areas. Village disaster vulnerability and comprehensive risk prevention ability have gradually become an important topic of rural disaster prevention and reduction. 2) This data comes from a random questionnaire survey conducted from June to September 2021 in tuomai village, Lang Town, Lang County, Nyingchi City, Bangna village, Linzhi Town, Bayi District, xuewaka village, Gu township, Bomi County, Beibeng village, Beibeng Township, Motuo County, Xueni village, zhuwagen Town, Chayu County, Ranwu village, Ranwu Town, Basu County, Qamdo city and Zhuba village, Baima Town, Basu county, And the respondents are mainly adults familiar with family conditions. 3) Based on the principles of scientificity, applicability, feasibility, typicality and specificity, the questionnaire is designed for the individual villages around the Himalayas on the Qinghai Tibet Plateau. In order to ensure the reliability and validity of the design content of the questionnaire, a pre survey was conducted before the formal survey to further modify and improve the questionnaire. Before the formal start of the questionnaire survey, the investigators were explained the contents of the questionnaire and trained in survey skills. 4) A total of 231 questionnaires were completed, including 35 in tuomai village, 24 in Bangna village, 21 in xuewaka village, 38 in Beibeng village, 16 in Xueni village, 72 in Ranwu village and 25 in Zhuba village. The effective rate of the questionnaire was 98.6%.
2022-05-06 486 0
Glacial mass balance is one of the most important glaciological parameters to characterize the accumulation and ablation of glaciers. Glacier mass balance is the link between climate and glacier change, and it is the direct reflection of glacier to the regional climate. Climate change leads to the corresponding changes in the material budget of glaciers, which in turn can lead to changes in the movement characteristics and thermal conditions of glaciers, and then lead to changes in the location, area and ice storage of glaciers. The monitoring method is to set a fixed mark flower pole on the glacier surface and regularly monitor the distance between the glacier surface and the top of the flower pole to calculate the amount of ice and snow melting; In the accumulation area, the snow pits or boreholes are excavated regularly to measure the snow density, analyze the characteristics of snow granular snow additional ice layer, and calculate the snow accumulation; Then, the single point monitoring results are drawn on the large-scale glacier topographic map, and the instantaneous, seasonal (such as winter and summer) and annual mass balance components of the whole glacier are calculated according to the net equilibrium contour method or contour zoning method. The data set is the annual mass balance data of different representative glaciers in the Qinghai Tibet Plateau and Tianshan Mountains, in millimeter water equivalent.
2022-05-06 1093 36
Using satellite tracking technology, this sub project (2019QZKK05010409) tracked the overwintering population in the middle of black necked Crane. After catching the black necked Crane by the foot button method, we adopt the foot ring method to fix the tracker, which greatly improves the tracking achievement rate and the amount of data obtained. When the power is ideal, the sampling frequency can be accelerated to one point in half an hour. Get more detailed tracking data. The relevant results show that the selection of wintering sites for black necked cranes is highly stable. Preliminary analysis shows that there is a strong connecting line between wintering sites and breeding sites, but there are also the characteristics of larvae in different summers. The strong migration connectivity indicates that black necked cranes are more vulnerable to environmental changes. This data set contains 200 habitat photos of black necked cranes and 1276 activity data of young black necked cranes. The satellite tracking data sheet of young black necked Crane recorded longitude and latitude, date, altitude, speed, temperature and other information.
2022-04-27 219 0
This sub project (2019qzkk05010411) focuses on the population investigation and monitoring of wild yak, Tibetan antelope and brown bear, carries out systematic and continuous field investigation, finds out their geographical distribution, population number and population structure, and carries out appropriate habitat assessment. The distribution area and potential distribution area are selected and divided into multiple sub areas. Stratified random sampling is adopted according to habitat type, climate, altitude and other factors, and the population counting method, variable distance spline method or fixed width spline method are used for investigation respectively. At the same time, in view of the extremely low encounter rate of brown bears, combined with the interview method. The investigation area mainly includes the distribution areas and potential distribution areas of the three animals in Yushu Tibetan Autonomous Prefecture, Haixi Mongolian Tibetan Autonomous Prefecture, Haibei Tibetan Autonomous Prefecture and other prefectures and counties in Qinghai Province, in order to master the distribution and five-year population dynamics of wild yak, Tibetan antelope and brown bear in Qinghai Province. This data set contains photos of yaks, Tibetan antelopes and brown bears investigated in Qinghai in 2021.
2022-04-26 237 0
Information of animal samples, tissue samples, DNA bar code samples and other physical samples collected in the second year (from the end of 2020 to 2021) of the fifth topic of the second comprehensive scientific investigation and research task of the Qinghai Tibet Plateau - "conservation and sustainable utilization of animal diversity on the plateau" (2019QZKK0501). All data shall be sorted according to the subject and sub subject, and the folder shall be named according to the subject number and sub subject number. Each sample table contains one or more sample information tables. Each information table contains sub topic number, species, collection place, collection time, collector, sample type, storage method and other information.
2022-04-25 214 0
In order to describe the distribution pattern of genetic diversity of pika germplasm resources in Qinghai Tibet Plateau, clarify its related genetic background, and establish the corresponding genetic resource bank. In 2021, this sub project (2019QZKK05010209) focused on Qinghai Province (Haixi Mongolian and Tibetan Autonomous Prefecture, Golmud City, Kunlun mountain pass; Haixi Mongolian and Tibetan Autonomous Prefecture, Dulan County, Xiangride Town, Gouli township; Golog Tibetan Autonomous Prefecture, Maduo County; Golog Tibetan Autonomous Prefecture, Maqin County, Dawu town; Huangnan Tibetan Autonomous Prefecture, Zeku County; Hainan Tibetan Autonomous Prefecture, Guinan County, Taxiu township) 93 plateau pika germplasm resources were collected at different altitudes, and the solid samples included blood or tissue, feces and so on. This data set contains 1 sample information table. The sample information table contains basic sample information such as species, variety, detailed sampling place, sample type, collection time, collector and storage method, which is stored in the form of Excel.
2022-04-25 321 0
In order to describe the distribution pattern of genetic diversity of important rodents on the Qinghai Tibet Plateau, clarify their relevant genetic background, analyze their population fluctuation law and influencing factors under the background of global climate change, analyze the impact of plateau pika on birds and its significance in maintaining ecosystem stability, and to explore the adaptation and evolution mechanism of plateau species and build a population outbreak prediction and early warning system, It is of great theoretical and practical significance to correctly understand the status and role of plateau pika in ecosystem and put forward timely and effective population management countermeasures. This sub project (2019qzkk05010410) focuses on the investigation of plateau pika in Haixi Mongolian and Tibetan Autonomous Prefecture, Golog Prefecture and Hainan prefecture of Qinghai in 2021. A total of 200 tissue samples such as spleen and lung of plateau pika were collected. This data set contains 1 sample information table. The sample information table contains basic sample information such as species, variety, detailed sampling place, sample type, collection time, collector and storage method, which is stored in the form of Excel.
2022-04-25 188 0
Plateau Zokor and plateau pika are endemic and key species widely distributed in the Qinghai Tibet Plateau and surrounding plain areas. Different geographical locations and ecological environment have led to diversified species formation. The research on the origin and evolution of these species needs to be improved. At the same time, their geographical distribution and morphological characteristics are good materials for studying plateau adaptation and adaptive evolution. Comparing the analysis of genome, transcriptome and epigenetics between Plateau and other low altitude plain related species can help to analyze the mechanism of plateau adaptation and preliminarily explore the mechanism of apparent modification in plateau adaptation. In 2021, a total of 112 tissue samples of 16 animals were collected in Qinghai Province. This data set contains a sample information table, which contains basic sample information such as species, variety, detailed sampling place, sample type, collection time, collector and storage method, and is stored in the form of Excel. In order to explore the plateau adaptive evolution of flagship species on the plateau, chip SEQ sequencing and transcriptome sequencing were carried out on 16 individuals of Plateau Zokor and Pika in Maduo County and Laji mountain, Qinghai Province. Each individual produced 15GB data, a total of 600gb. The data is stored in fastq format.
2022-04-25 197 2
In order to describe the effects of environmental changes and human disturbance on the temporal and spatial distribution of small mammals in the Qinghai Tibet Plateau, statistical models and molecular techniques were used to identify the species of small mammals with different altitude gradients. In 2021, 105 small mammal resources such as plateau pika, Meriones meridionalis, three toed jerboa, five toed jerboa and Qinghai squirrel were collected in 8 areas of Xihai Town, Gangcha county and Delingha city of Qinghai Province. The solid samples include animal solid samples and muscles, heart, liver, spleen, lung, kidney, pancreas, bladder, testis and ovary. This data set contains one specimen information table, one tissue sample information table and one photo corresponding to each specimen. The sample information table contains basic sample information such as species, variety, detailed sampling place, sample type, collection time, collector and storage method, which is stored in the form of Excel. Photos, stored in JPG format.
2022-04-24 161 0
In order to determine the distribution points and habitat types of plateau forest frog along the latitudinal gradient in Qinghai, in 2021, a total of 8 distribution points of plateau forest frog were collected in Minhe County of Haidong, Qinghai, Gonghe County of Hainan Tibetan Autonomous Prefecture and Maqin County of Golog Prefecture, covering an altitude of 2000-3800m. This dataset contains 1 coordinate information table and 57 habitat photos. The coordinate information table contains information such as number, recording date, time, weather, coordinate longitude and latitude, altitude sample, habitat type and photo number of representative habitat, which are stored in the form of Excel. Photos are stored in JPG format. In order to reveal the impact of climate change on the diversity of plateau forest frogs on the Qinghai Tibet Plateau in the future, the thermal safety margin of different geographical populations of plateau forest frogs was calculated through the data of thermophysiological indexes and environmental effective temperature, and the threat of climate warming of different geographical populations of plateau forest frogs was evaluated. This data set includes field activity body temperature, resting metabolic rate, ambient temperature and morphological data of four altitude populations of plateau forest frog, which supplements the selected body temperature, tolerance temperature and temperature correction data of 2000 m altitude populations. The data is stored in Excel format. In order to study the differences of genetic diversity of plateau forest frog at different altitudes, 100 samples of plateau forest frog collected from four altitudes (2000 m, 2600 m, 3200 m and 3800 m) of Qinghai Tibet Plateau were sequenced and analyzed based on the sequences of four mitochondrial genes (12S rRNA, 16S rRNA, coi and cytb), so as to provide scientific basis for the protection of this species. This data includes 12S rRNA, 16S rRNA The sequence data obtained from the sequencing of COI and cytb genes supplement the sequence data of four genes of the population at an altitude of 2000m. The data is stored in FASTA format
2022-04-24 226 0
The data content mainly includes the main and micro data of the whole rock of magmatic rocks in the Himalayan orogenic belt. The sample distribution areas mainly include Jilong, banrong, xiaru, Laguigangri, Yadong, Yala shampoo and nangabawa. The rock samples are mainly Cenozoic leucogranite, Paleozoic granite and Cretaceous diabase, with a total of 408 pieces. Light colored granite is widely developed in the Himalayan orogenic belt, which is a typical representative of S-type granite and has been written into the textbook of petrology. Recently, Nb, Ta, Li, be and other key metal elements have been found in the Himalayan leucogranite, with great metallogenic potential of rare metals. Therefore, an in-depth understanding of the petrological and geochemical characteristics and formation mechanism of Himalayan Leucogranites is of great significance not only for understanding the Himalayan orogenic belt itself, but also for defining the formation mechanism, deep dynamic process and ore forming potential of Leucogranites in other collision orogenic belts in the world. However, in order to deeply understand the tectonic evolution process and environmental resource effects of the Himalayan orogenic belt since the Cenozoic, we need to deeply understand the tectonic processes that the Himalayan terrane may have experienced before the collision, and further determine the material composition of the Himalayan orogenic belt. Paleozoic granite and Cretaceous diabase are important rock components of the Himalayan orogenic belt. They are probes to explore the possible tectonic processes experienced by the Himalayan terrane before collision. The mineral composition and geochemical characteristics show that the Paleozoic granite is peraluminous high K / Na granite, which has higher FeO and MgO and lower Al2O3 compared with the Cenozoic leucogranite; It has a low CaO / (MgO + FeO * + TiO2) ratio and falls into A-type granite, which is formed by partial melting of argillaceous rocks under extensional background, with the addition of mantle materials. Regional data are mainly from published articles or being accepted. XRF spectroscopy was used for the determination of major elements and ICP-MS was used for the determination of trace elements. The data quality is highly reliable, and the testing units include the national experimental testing center of the Chinese Academy of Geological Sciences. The data are published in high-level journals, including LITHOS, Journal of rock, etc.
2022-04-24 176 1
In order to analyze the phenotype and genetic adaptation of different populations of sand lizard in Tibet to environmental changes, this sub project (2019QZKK05010216) selects the vertical zone of altitude gradient in the plateau as the main line, collects samples throughout the distribution area of red tailed sand lizard, compares the differences of morphology, physiology and life history of different populations, and analyzes their phenotype and genetic adaptation to environmental changes, Combined with the species distribution model and mechanism model, the threatened degree of red tailed sand lizard in the future is predicted, and the Protection Countermeasures of plateau sand lizard under the background of climate warming are put forward, which provides a theoretical basis for the protection of Reptile Diversity on the Qinghai Tibet Plateau under the background of environmental change. In 2021, sand lizard sample resources were collected in Jiuquan, Gansu Province and Delingha, Qinghai Province. The sample information table contains basic sample information such as species, variety, detailed sampling place, sample type, collection time, collector and storage method, which is stored in the form of Excel. Photos, stored in JPG format.
2022-04-24 186 0
This sub project (2019QZKK05010217) plans to select Qinghai sand lizard, an exothermic vertebrate that is very sensitive to environmental changes, as the representative. Through field investigation, we will compare the differences in morphology, physiology and life history of Qinghai sand lizard populations at different altitudes in the Qinghai Tibet Plateau and adjacent areas, and analyze the response and adaptation characteristics of Qinghai sand lizard to environmental changes in the Qinghai Tibet Plateau, Combined with species distribution model (SDM) and mechanism model, this paper predicts the threatened degree of Qinghai sand lizard in the future, and puts forward the Protection Countermeasures of Qinghai sand lizard diversity on the Qinghai Tibet Plateau under the background of climate warming, so as to provide a theoretical basis for the protection of Reptile Diversity on the Qinghai Tibet Plateau under the background of environmental change. This data includes ecological photos and habitat photos of Qinghai sand lizard in Gonghe County, Haiyan County and Maduo County of Qinghai Province.
2022-04-24 226 0
In order to describe the distribution of amphibians and reptiles and the harm caused by exotic animals in Qinghai Tibet Plateau, clarify their relevant genetic background, and establish the corresponding genetic resource bank. In 2021, this sub project (2019qzkk05010302) focused on Changdu area and its surrounding areas of Tibet Autonomous Region, and collected 30 germplasm resources of American bullfrog, Zelu frog and verrucous narrow mouth frog. This data set contains one specimen information table, one tissue sample information table, habitat photos and specimen photos. The sample information table contains basic sample information such as species, variety, detailed sampling place, sample type, collection time, collector and storage method, which is stored in the form of Excel.
2022-04-24 238 0
In order to assess the harm of domestic rodents to biodiversity and people's production and life on the Qinghai Tibet Plateau, assess the subsequent potential ecological impact and risk, and provide a new basis for formulating more scientific and effective biological prevention and control and ecological protection measures. This sub project (2019qzkk05010303) conducted a comprehensive field investigation on the species composition, population characteristics and distribution range of domestic rodents in Lhasa, Tibet, Haixi Prefecture, Qinghai and Chengdu, Sichuan in 2021, and collected samples of domestic rodents. A total of 80 tissue samples of rats and mice were collected. This data set contains a tissue sample information table, which records the collection place, collection time, species, sample type and other information.
2022-04-24 161 0
Through the field investigation of min, Ledu, Huzhu and Datong, the species, relative quantity, distribution area, interference status and protection status of wild animals in 4 counties (districts) of Qilian Mountain in Qinghai are mastered, and the species list and field investigation report of wild animals in 4 counties (districts) of Qilian Mountain are prepared. According to the field survey results, evaluate the suitable habitat of endangered protected species, the threat and interference status of endangered protected species, reveal the key influencing factors of species diversity, and provide scientific basis for the future ecological and wildlife protection and management decision-making in the region. In 2021, the sub project 2019qzkk05010114 conducted the second annual survey of wild animals in Minhe, Ledu, Huzhu and Datong counties (districts) by using the transect method, transect method and transect method. A total of 255 species of wild animals were recorded, belonging to 22 orders, 59 families and 172 genera. Among them, there are 4 amphibians, 2 reptiles, 220 birds and 29 mammals.
2022-04-22 169 0