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771 MadMacs

DOI Info:

  • DOI: 10.18728/igb-fred-771.0
  • How to cite: Jan Köhler (2022-11-14 ) MadMacs. IGB Leibniz-Institute of Freshwater Ecology and Inland Fisheries. dataset. https://doi.org/10.18728/igb-fred-771.0

    • DOI history

    Date DOI PackageId Note
    2022-11-1510.18728/igb-fred-771.0771this package latest
Title
MadMacs
Period
2019-01-01 till 2022-10-31
Period length
3 years 9 months 30 days
Sampling interval
Irregular Interval
Note on interval
no regular sampling interval
Description

Mass development of aquatic macrophytes – causes and consequences of macrophyte removal for ecosystem structure, function, and services

Species Groups
Study site
_global
Sampling types
Phytoplankton, Macrophytes, surface water
Sampling locations
Spree, Große Tränke bei Fürstenwalde (IGB-Messstelle 7)
location
52.368603, 13.997045
location
type
running water / river (Fluss)
state
code
S64
description
Parameters

chemistry:

carbon dioxide
name
carbon dioxide
dry mass
name
dry mass
description

balance after drying

synonyms
Trockenmasse
methan
name
methan
N, ammonia-nitrogen
name
N, ammonia-nitrogen
description

0,45µm filtrated, photometric determination

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

0,45µm filtrated, photometric determination

synonyms
NO3-N, NO3--N, nitrate, Nitrat
N, nitrogen
name
N, nitrogen
description

determinate with elementar analyzer
N, total dissolved nitrogen
name
N, total dissolved nitrogen
description

0,45µm filtrated, nondispersive infrared sensor  (NDIR) after combustion

synonyms
Stickstoff gelöst, gesamter gelöster Stickstoff, DN
N, total nitrogen
name
N, total nitrogen
description

nondispersive infrared sensor  (NDIR) after combustion

synonyms
Gesamtstickstoff
O, oxygen
name
O, oxygen
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:

biomass
name
biomass
description

Plankton biomass
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
Jan Köhler
Licence for data
All rights reserved. Please send a request to Jan Köhler if you like to use this data. Mind our data policy: IGB Data Policy
Project
MadMacs Project Website

Data files (e.g. excel)

TitlecreatedFiletypeActions
Data_Kemnader_See.xlsx 11. Nov. 2022 11:31 datatable: .xlsx
Error: To access file, please get in touch with the contact person.
Data_Spree.xlsx 11. Nov. 2022 11:31 datatable: .xlsx
Error: To access file, please get in touch with the contact person.
Data_Norway.xlsx 11. Nov. 2022 11:31 datatable: .xlsx
Error: To access file, please get in touch with the contact person.
Data_South_Africa_Jan_2020.xlsx 11. Nov. 2022 11:31 datatable: .xlsx
Error: To access file, please get in touch with the contact person.
Data_France.xlsx 11. Nov. 2022 11:31 datatable: .xlsx
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 free CC BY 4.0 Licence.

  • MadMacs.xml
  • MadMacs.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)