Fecal pollen assemblages of grazing livestock in alpine meadow of Eastern Qinghai Tibet Plateau and their environmental implications (2017)

Fecal pollen assemblages of grazing livestock in alpine meadow of Eastern Qinghai Tibet Plateau and their environmental implications (2017)


In July 2017, our team carried out field vegetation quadrat survey and livestock manure sample collection in Henan and Zeku counties. Random sampling 100 m × 5 ~ 10 pieces of unweathered excrement of the same grazing livestock in 100 m area were mixed into a sample and sealed for preservation. A total of 49 livestock manure samples were collected, including 30 yak (bosgrunniens), 11 horse (Equus ferus cabellus) and 8 sheep (Ovis aries). GPS was used to locate each sampling point, and the vegetation community and main vegetation types within the sampling point were recorded. The dry weight of each sample was 2 g. before sample treatment, 1 Lycopodium spore (27637) was added to each sample ± 563 grains per tablet were used to calculate the sporopollen concentration. Remove the calcareous cement with 10% HCl, after 200 μ The larger particle size of plant residues was removed by M sieve, and the organic matter was removed by 10% KOH in water bath at 70 ℃; Then 40% HF was added to remove the silicate. Finally, 7 μ The sporopollen was enriched by nylon sieve, cleaned and preserved in glycerin. The identification of sporopollen was carried out under 400 times optical biological microscope with reference to the sporopollen morphological atlas and literature. Tilia software was used to draw the sporopollen percentage map. The principal component analysis of sporopollen data was carried out by using canoco5.0 software. This data not only provides new research ideas and means for evaluating grazing livestock feeding habits and the impact of animal husbandry activities on regional vegetation in the Qinghai Tibet Plateau, but also provides important modern process basis and reference data for carrying out pollen analysis of fecal samples preserved in archaeological sites in the Qinghai Tibet Plateau in the future, so as to reconstruct the information of ancient vegetation communities and ancient human production activities.


File naming and required software

The data set is stored in Excel format and contains five worksheets, which are basic information of sampling point. XLS, coordinate point. XLS, original data. XLS, calculation process of percentage content of original data. XLS and percentage content. XLS. The data file can be opened with office software or imported into relational database system. The statistical unit involved in the data table is% sporopollen concentration.


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Cite as:

Hou, G. (2021). Fecal pollen assemblages of grazing livestock in alpine meadow of Eastern Qinghai Tibet Plateau and their environmental implications (2017). National Tibetan Plateau Data Center, DOI: 10.11888/Paleoenv.tpdc.271265. CSTR: 18406.11.Paleoenv.tpdc.271265. (Download the reference: RIS | Bibtex )

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Support Program

National Natural Science Foundation of China, No.41761018 (No:41761018)

Pan-Third Pole Environmental Change and Green Silk Road Construction (No:XDA2004010101)

Qinghai Provincial Natural Science Foundation Youth Project (No:2017-ZJ-931Q)

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Keywords
Geographic coverage
East: 101.42 West: 101.30
South: 34.30 North: 35.06
Details
  • Temporal resolution: Yearly
  • Spatial resolution: -
  • File size: 2 MB
  • Views: 613
  • Downloads: 2
  • Access: Requestable
  • Temporal coverage: 2017-01-01 To 2017-12-31
  • Updated time: 2021-04-28
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