|2022-12-14||10.18728/igb-fred-807.0||807||this package latest|
The database is based on a table with general information about the lakes (lake type, morphometric information etc.). At each lake water parameters (e.g. pH value, Total phosphorus etc) were measured at nearly every sampling event. Sampling events comprise several types of fishing events (various types of electrofishing and gillnetting) and sampling events for other biological taxa such as submerged macrophytes, birds, crayfish, amphibians, Macrozoobenthos, shoreline vegetation. Furthermore, deadwood and garbage were sampled at the lakes. For the lakes manipulated in the Project (deadwood addition, shallow zones, fish stocking) additional information about the treatment measures are available is specific tables. Each table contains a description of the columns.
|Baggersee_2_5_accdb.zip||14. Dec. 2022 14:22||datatable: .zip|
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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.
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While parsing a file, the database has to perform various tasks, some of them needs a lot of CPU and memory for larger files.