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    467 Baggersee general

    Title
    Baggersee general
    Period
    2016-01-01 ongoing
    Sampling interval
    Irregular Interval
    Description

    File All_Taxa.csv contains an "relative abundance" list of all found species of different taxa in order:

    Waterfowl - Amphibians - Dragonflies - Damselflies - Song Birds - Makrophytes - Trees - Herbs

    Observations are on lake-level. "Management" is either managed for recreational fischeries ("bewirtschaftet") or no recreational fisheries management ("unbewirtschaftet").

    Study site
    Baggerseen Niedersachsen
    Sampling types
    Macrophytes, surface water
    Parameters

    physics:

    secchi depth
    name
    secchi depth
    description

    synonyms
    Sichttiefe, Transparancy
    water temperature
    name
    water temperature
    description

    determination by temperature-probe

    synonyms
    water temp, Wassertemperatur

    chemistry:

    Ca, calcium
    name
    Ca, calcium
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    since 2009 with ICP-OES
    before 2009 with AAS

    synonyms
    Kalzium
    C, DOC (dissolved organic carbon)
    name
    C, DOC (dissolved organic carbon)
    description

    0,45µm filtrated,   purging with hydrochloric acid, nondispersive infrared sensor  (NDIR) after combustion

    synonyms
    dissolved organic material (DOM), non-purgeable organic carbon (NPOC)
    electrical conductivity
    name
    electrical conductivity
    description

    determination by conductivity-probe

    synonyms
    elektrische Leitfähigkeit, Salinität, Salzgehalt, Konduktivität, cond
    Fe, total iron
    name
    Fe, total iron
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Gesamteisen
    Mg, magnesium
    name
    Mg, magnesium
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Magnesium
    Mn, manganese
    name
    Mn, manganese
    description

    0,45µm filtrated, inductively coupled plasma optical emission spectrometry (ICP-OES)

    synonyms
    Mangan
    N, ammonia-nitrogen
    name
    N, ammonia-nitrogen
    description

    0,45µm filtrated, photometric determination

    synonyms
    NH4+-N, Ammonium, ammonia, NH4-N, NH4
    N, nitrate-nitrogen
    name
    N, nitrate-nitrogen
    description

    0,45µm filtrated, photometric determination

    synonyms
    NO3-N, NO3--N, nitrate, Nitrat
    O, oxygen concentration
    name
    O, oxygen concentration
    description

    determination by oxygen-probe

    synonyms
    Sauerstoffkonzentration
    pH
    name
    pH
    description

    pH-probe determination
    P, (soluble reactive phosphorus)
    name
    P, (soluble reactive phosphorus)
    description

    0,45µm filtrated, photometric determination

    synonyms
    anorganischer gelöster Phosphor, ortho-Phosphat-P, DRP, DIP, inorganic soluble phosphorus, phosphate-phosphorus
    P, (total phosphorus)
    name
    P, (total phosphorus)
    description

    photometric determination after digestion

    synonyms
    total phosphorus, gesamter Phosphor

    biology:

    abundance
    name
    abundance
    chlorophyll a
    name
    chlorophyll a
    description

    Attention: There are two different methods:

    HPLC - High Performance Liquid Chromatography (ex situ)

    YSI - Chlorophyll Sensor in Multiparameter probe (in situ)

    synonyms
    Chlorophyllkonzentration, alpha-chlorophyll
    Contact
    Robert Nikolaus
    Licence for data
    All rights reserved. Please send a request to Robert Nikolaus if you like to use this data. Mind our data policy: IGB Data Policy
    Project
    BAGGERSEE Project Website

    Data files (e.g. excel)

    TitlecreatedFiletypeActions
    Seeparameter_fuer_FRED.csv 06. Mar. 2019 11:21 datatable: .csv
    Error: To access file, please get in touch with the contact person.
    All_taxa.csv 06. Mar. 2019 10:47 datatable: .csv
    Error: To access file, please get in touch with the contact person.

    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.

    • Baggersee_general.xml
    • Baggersee_general.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)