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 |
- | - | - | (18KB) |
| Water quality | Monitoring data by depth | 2013-2017 | Water quality monitoring data by depth | 2018-03-12 | ZIP (311KB) |
- | - |
| Water quality | Survey data 1 (nutrients) |
1977-2021 | Table 2-1 nutrients (wide-format) | 2022-03-09 | Excel (488KB) |
- | (18KB) |
| Water quality | Survey data 1 (nutrients) |
1977-2021 | Table 2-1-2 nutrients (long-format) | 2022-03-09 | ZIP (262KB) |
- | (18KB) |
| Water quality | Survey data 2 (In-situ data) |
1977-2021 | Table 3-1 In-situ data (wide-format) | 2022-03-09 | Excel (1.3MB) |
- | (22KB) |
| Water quality | Survey data 2 (In-situ data) |
1977-2021 | Table 3-1-2 In-situ data (long-format) | 2022-03-09 | ZIP (431KB) |
- | (22KB) |
| Water quality | Survey data 3 (other variables) |
1977-2021 | Table 4-1 other variables (wide-format) | 2022-03-09 | Excel (722KB) |
- | (78KB) |
| Water quality | Survey data 3 (other variables) |
1977-2021 | Table 4-1-2 other variables (long-format) | 2022-03-09 | ZIP (290KB) |
- | (78KB) |
| Water quality | Survey data 3 (other variables) |
1988-1996 | Table 4-2 DOC | 1996-12-11 | Excel (39KB) |
- | (78KB) |
| Water quality | Methane | 1990-1996 | Table 5-1 Methane | 1996-03-06 | Excel (56KB) |
- | (17KB) |
| Water quality | Heavy metals | 1989-2008 | Table 6-1 Heavy Metals (Fe) | 2008-12-10 | Excel (52KB) |
- | (73KB) |
| Water quality | Heavy metals | 1989-2008 | Table 6-2 Heavy Metals (Cu) | 2008-12-10 | Excel (51KB) |
- | (73KB) |
| Water quality | Heavy metals | 1980-2012 | Table 6-3 ICP | 2012-12-12 | Excel (734KB) |
- | (73KB) |
| Water quality | Bottom sediments | 1983-1990 | Table 7-1 Water content | 1990-04-11 | Excel (75KB) |
- | (16KB) |
| Water quality | Bottom sediments | 1983-1990 | Table 7-2 Heat reduction | 1990-04-11 | Excel (95KB) |
- | (16KB) |
| Water quality | Bottom sediments | 1983-1990 | Table 7-3 Specific gravity | 1990-04-11 | Excel (89KB) |
- | (16KB) |
| Biological data | Bacteria | 1977-1993 | Table 8-1 Bacteria density | 1993-04-07 | Excel (93KB) |
- | (62KB) |
| Biological data | Bacteria | 1996-2021 | Table 9 Microbialplankton (Bacteria density) | 2022-03-09 | Excel (43KB) |
(62KB) |
|
| Biological data | Protozoa | 1996-2021 | Table 9 Microbialplankton (Protozoa density) | 2022-03-09 | Excel (43KB) |
(23KB) |
|
| Biological data | Phytoplankton | 1996-2021 | Table 9 Microbialplankton (Picophyto-plankton density) | 2022-03-09 | Excel (43KB) |
(91KB) |
|
| Biological data | Phytoplankton | 1978-2021 | Table 10 Phytoplankton density | 2022-03-09 | Excel (1.5MB) |
(91KB) |
|
| Biological data | Primary production | 1981-2021 | Table 11 Primary production | 2022-03-09 | Excel (161KB) |
- | |
| Biological data | Zooplankton | 1980-2021 | Table 12-1 Zooplankton density | 2022-03-09 | Excel (329KB) |
(59KB) |
|
| Biological data | Zooplankton | 1980-2021 | Table 12-2 Density of Mysida | 2021-03-09 | Excel (45KB) |
(59KB) |
|
| Biological data | Lakeshore plants | 1992 | Table 13-1 Results of vegetation research | 1992-08-04 | Excel (39KB) |
- | (20KB) |
| Biological data | Lakeshore plants | 1992 | Table 13-2 St.1 (Furuwatari) | 1992-08-04 | Excel (36KB) |
- | (20KB) |
| Biological data | Lakeshore plants | 1992 | Table 13-3 St.2 (Miho) | 1992-08-04 | Excel (35KB) |
- | (20KB) |
| Biological data | Lakeshore plants | 1992 | Table 13-4 St.3 (Tsuchiura) | 1992-08-04 | Excel (33KB) |
- | (20KB) |
| Biological data | Lakeshore plants | 1992 | Table 13-5 St.4 (Sakihama) | 1992-08-04 | Excel (38KB) |
- | (20KB) |
| Biological data | Benthos | 1982-2021 | Table 14-1 Benthos data | 2022-03-09 | Excel (331KB) |
- | (26KB) |
| Biological data | Fish | 2005-2023 | Table 15-1 Fish density data |
2023-09-27 | Excel (54KB) |
(13KB) |
|
| Biological data | Fish | 2005-2023 | Table 15-2 Fish biomass data |
2023-09-27 | Excel (57KB) |
(13KB) |
|
| High-frequency data | Water temperature, dissolved oxygen | 2022 | Table 16-1, 16-2 | 2022-7-31 | ZIP (7.2MB) |
- | - |