Monitoring data

Below is a list of monitoring data at Lake Kasumigaura.

  • Please read the Terms of Use before using monitoring data.
  • Bacteria, protozoa, picophytoplankton, phytoplankton, primary production and zooplankton data were published in Ecological Research Data Papers (please refer to the notes in the Excel file).
  • Fish density data is also available at GBIF and the JaLTER database under a CC BY 4.0 license.
Category Data item Data period (fiscal year) Data table Last date observed Data Metadata Methods
Weather Hourly data
Daily data
1991-Present Weather Database, Kasumigaura Water Research Station (in Japanese)
* Open in a new window
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PDF
(18KB)
Water qualityMonitoring data by depth 2013-2015 Water quality monitoring data by depth 2016-03-14
ZIP
(164KB)
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Water qualitySurvey data 1
(nutrients)
1977-2015 Table 2-1 nutrients 2016-03-14
Excel
(828KB)
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PDF
(18KB)
Water qualitySurvey data 2
(In-situ data)
1977-2015 Table 3-1 In-situ data 2016-03-14
Excel
(1.71MB)
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PDF
(22KB)
Water qualitySurvey data 3
(other variables)
1977-2015 Table 4-1 other variables 2016-03-14
Excel
(938KB)
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PDF
(78KB)
Water qualitySurvey data 3
(other variables)
1988-1996 Table 4-2 DOC 1996-12-11
Excel
(39KB)
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PDF
(78KB)
Water qualityMethane 1990-1996 Table 5-1 Methane 1996-03-06
Excel
(56KB)
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PDF
(17KB)
Water qualityHeavy metals 1989-2008 Table 6-1 Heavy Metals (Fe) 2008-12-10
Excel
(52KB)
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PDF
(73KB)
Water qualityHeavy metals1989-2008 Table 6-2 Heavy Metals (Cu) 2008-12-10
Excel
(51KB)
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PDF
(73KB)
Water qualityHeavy metals1980-2012 Table 6-3 ICP 2012-12-12
Excel
(734KB)
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PDF
(73KB)
Water qualityBottom sediments 1983-1990 Table 7-1 Water content 1990-04-11
Excel
(75KB)
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PDF
(16KB)
Water qualityBottom sediments 1983-1990 Table 7-2 Heat reduction 1990-04-11
Excel
(95KB)
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PDF
(16KB)
Water qualityBottom sediments 1983-1990 Table 7-3 Specific gravity 1990-04-11
Excel
(89KB)
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PDF
(16KB)
Biological data Bacteria 1977-1993 Table 8-1 Bacteria density 1993-04-07
Excel
(93KB)
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PDF
(62KB)
Biological data Bacteria 1996-2015 Table 9 Microbialplankton (Bacteria density) 2016-03-09
Excel
(43KB)

PDF
(62KB)
Biological data Protozoa 1996-2015 Table 9 Microbialplankton (Protozoa density) 2016-03-09
Excel
(43KB)

PDF
(23KB)
Biological data Phytoplankton 1996-2015 Table 9 Microbialplankton (Picophyto-plankton density) 2016-03-09
Excel
(43KB)

PDF
(91KB)
Biological data Phytoplankton 1978-2015 Table 10 Phytoplankton density (sta.3, 9) 2016-03-09
Excel
(987KB)

PDF
(91KB)
Biological data Primary production 1981-2015 Table 11 Primary production 2016-03-09
Excel
(146KB)
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Biological data Zooplankton 1980-2015 Table 12-1 Density of Rotifer 2016-03-09
Excel
(193KB)

PDF
(59KB)
Biological data Zooplankton 1980-2015 Table 12-2 Density of Cladocera 2016-03-09
Excel
(104KB)

PDF
(59KB)
Biological data Zooplankton 1980-2015 Table 12-3 Density of Copepoda 2016-03-09
Excel
(83KB)

PDF
(59KB)
Biological data Zooplankton 1980-2015 Table 12-4 Density of Mysida 2016-03-09
Excel
(27KB)

PDF
(59KB)
Biological data Lakeshore plants 1992 Table 13-1 Results of vegetation research 1992-08-04
Excel
(39KB)
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PDF
(20KB)
Biological data Lakeshore plants 1992 Table 13-2 St.1 (Furuwatari) 1992-08-04
Excel
(36KB)
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PDF
(20KB)
Biological data Lakeshore plants 1992 Table 13-3 St.2 (Miho) 1992-08-04
Excel
(35KB)
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PDF
(20KB)
Biological data Lakeshore plants 1992 Table 13-4 St.3 (Tsuchiura) 1992-08-04
Excel
(33KB)
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PDF
(20KB)
Biological data Lakeshore plants 1992 Table 13-5 St.4 (Sakihama) 1992-08-04
Excel
(38KB)
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PDF
(20KB)
Biological data Benthos 1982-2015 Table 14-1 Benthos data 2016-03-14
Excel
(1.2MB)
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PDF
(26KB)
Biological data Fish 2005-2016 Table 15-1 Fish density data
クリエイティブ・コモンズ・ライセンス
2017-01-18
Excel
(57KB)

PDF
(13KB)
Biological data Fish 2005-2016 Table 15-2 Fish biomass data 2017-01-18
Excel
(61KB)
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PDF
(13KB)

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