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    653 Ephemeroptera, Trichoptera and Odonata from Qiandao Lake tributaries, China

    Title
    Ephemeroptera, Trichoptera and Odonata from Qiandao Lake tributaries, China
    Description

    Ephemeroptera, Trichoptera and Odonata from Qiandao Lake tributaries, China

     

    Study site: China. Authors: Jonathan Tonkin.

     

    Contact details:

    Jonathan Tonkin. E-mail: jonathan.tonkin@canterbury.ac.nz. ORCID: https:/orcid.org/0000-0002-6053-291X. Affiliation: University of Canterbury.

     

     

     

    Coordinates of the bounding box (ulx, uly, lrx, lry): 118.7274607, 29.78445875, 119.2364958, 29.37642895

    Centroid coordinates (x,y): 118.980203,29.533845

    Number of records: 56

     

    The dataset includes records in areas: 

    Not protected on the observation date (0)

    using the November 2022 version of the Protected Planet WDPA WD-OECM dataset 

        (Protected Planet: World Database on Protected Areas (WDPA) 

        and World Database on Other Effective Area-based Conservation Measures (WD-OECM), UNEP-WCMC and IUCN, 2022). 

        Please see publication for further information.

     

    Freshwater Ecoregions of the World (FEOW, Abell et al., 2008) covered: 766

     

     

    Taxonomic focus of the study: All macroinvertebrate community

     

    Survey methods: Surber sampler

     

    Study site
    _global
    GeoNode references

    GeoNode layers

    • Ephemeroptera_Trichoptera_and_Odonata_from_Qi
    Contact
    Afroditi Grigoropoulou
    Licence for data
    All rights reserved. Please send a request to Afroditi Grigoropoulou if you like to use this data. Mind our data policy: IGB Data Policy
    Current doi
    10.18728/igb-fred-777.2

    Metadata files

    TitleUpload dateFiletypeLicenceActions
    Column_explanation.pdf15. Nov. 2022 12:08.pdfODC-By Download

    Data files (e.g. excel)

    TitlecreatedFiletypeActions
    Ephemeroptera,_Trichoptera_and_Odonata_from_Qiandao_Lake_tributaries,_China.csv 15. Nov. 2022 12:08 datatable: .csv Download

    Machine Readable Metadata Files

    FRED provides all metadata of this package in a maschine readable format. There is a pure XML file and one EML file in Ecological Metadata Language. Both files are published under the freeODC-ByLicence.

    • Ephemeroptera,_Trichoptera_and_Odonata_from_Qiandao_Lake_tributaries,_China.xml
    • Ephemeroptera,_Trichoptera_and_Odonata_from_Qiandao_Lake_tributaries,_China.eml

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    Parsing data File

    Estimated Time:

    Why does it take so much time?

    While parsing a file, the database has to perform various tasks, some of them needs a lot of CPU and memory for larger files.

    • preprocessing: means automatic detection of headlines, table body, format values or csv-separators
    • copying: means read the file cell by cell and copy all elements to the database. During this format settings can be calculated (for example iso-time)
    • analyzing: check out for different data types (can be time, numeric or text)