Update: rev2
(This revision was accepted on Oct 2016)
1. Data paper Information
| Accession Number | ERDP-2016-01(Accepted: February 2016) |
|---|---|
| Title | Photosynthesis and primary production in Lake Kasumigaura (Japan) monitored monthly since 1981 |
| Publication | Ecological Research 31(3): 287. doi: 10.1007/s11284-016-1347-x |
| Authors | Takamura, N. and Nakagawa, M. |
| cebes.data@nies.go.jp |
2. Summary of updates
The data file has been updated.
3. Metadata update details
| Section | Ver.2 (17 October 2016)* | Ver.1 (10 March 2016) |
|---|---|---|
| Abstract | Measurements were conducted monthly from August 1981 to March 2015 at four stations within the lake. | Measurements were conducted monthly from August 1981 to December 2013 at four stations within the lake. |
| Introduction | These data were monitored monthly from August 1981 to March 2015 at four stations on Lake Kasumigaura, a shallow, hyper-eutrophic lake that is the second largest lake in Japan. | These data were monitored monthly from August 1981 to December 2013 at four stations on Lake Kasumigaura, a shallow, hyper-eutrophic lake that is the second largest lake in Japan. |
| 6. TEMPORAL COVERAGE | B. End: March 2015 | B. End: December 2013 |
| 7. METHODS B. Sampling and measurements of the environment in the field |
Li-Cor Underwater UWQ 8014 with Hydrolab DS5 datalogger from October 2012 to March 2015. | Li-Cor Underwater UWQ 8014 with Hydrolab DS5 datalogger from October 2012 to December 2013. |
| 7. METHODS C. Measurements of chlorophyll a, particulate organic carbon, dissolved inorganic carbon, and 13C and 12C ratios in the laboratory |
Whatman GF/F filter from 1991 to 2015. Chlorophyll a was extracted in 90% acetone from 1981 to 1985 and 100% methanol from 1986 to 2015, … Yanaco MT-5 from 1996 to 2015) … Shimadzu TOC-VCSN from July 2006 to March 2015). … Thermo Fisher Scientific Delta V Advantage from October 2009 to March 2015). | Whatman GF/F filter from 1991 to 2013. Chlorophyll a was extracted in 90% acetone from 1981 to 1985 and 100% methanol from 1986 to 2013, … Yanaco MT-5 from 1996 to 2013) … Shimadzu TOC-VCSN from July 2006 to December 2013). … Thermo Fisher Scientific Delta V Advantage from October 2009 to December 2013). |
| 7. METHODS E. Calculation of daily production per unit area |
Kasumigaura Water Research Station (36° 00.350′ N, 140° 22.363′ E) of NIES from 1991 to 2015 | Kasumigaura Water Research Station (36° 00.350′ N, 140° 22.363′ E) of NIES from 1991 to 2013 |
| 8. DATA STATUS A. Latest Update |
19 March 2015 The dates of the data collection span the period from August 1981 to March 2015. Data will be collected continuously after March 2015, and the database will be updated as the data are verified. |
11 December 2013 The dates of the data collection span the period from August 1981 to December 2013. Data will be collected continuously after December 2013, and the database will be updated as the data are verified. |
| 10. DATA STRUCTURE D: Variable definitions (Reference) |
Variable name: Ld Reference: http://www.cger.nies.go.jp/db/kasumi/index.html (1991–2015) |
Variable name: Ld Reference: http://www.cger.nies.go.jp/db/kasumi/index.html (1991–2013) |
* Updates are shown in red letters
4. Data file update details
primary_production.csv: Data from 8 January 2014 to 19 March 2015 are added.
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