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| 植物プランクトンサイズクラス× | CTDプロファイリング× | |
|---|---|---|
| 分野 | 海洋学 | 海洋学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1978 | 1977 |
| 提唱者≠ | John McN. Sieburth | Neil Brown |
| 種類≠ | taxonomic | instrumental |
| 原典≠ | Sieburth, J. M., Smetacek, V., & Lenz, J. (1978). Pelagic ecosystem structure: heterotrophic compartments of the plankton and their relationship to plankton size fractions. Limnology and Oceanography, 23(6), 1256-1263. DOI ↗ | UNESCO/IOC. (1991). Processing of oceanographic station data. UNESCO Technical Papers in Marine Science, 60. link ↗ |
| 別名 | Size-fractionated Chlorophyll, Phytoplankton Taxonomy | CTD, Rosette Sampling |
| 関連 | 3 | 3 |
| 概要≠ | Phytoplankton size classification is a fundamental framework for organizing plankton communities and understanding their ecological roles and biogeochemical impacts. Developed by Sieburth, Smetacek, and Lenz in 1978, size classes (pico-, nano-, micro-, macro-phytoplankton) define distinct functional groups with different nutritional requirements, growth rates, grazing vulnerabilities, and sinking rates. Size-based classification enables rapid assessment of plankton community structure and prediction of ecosystem responses to environmental change. | Conductivity-Temperature-Depth (CTD) profiling is the primary method for measuring vertical profiles of seawater properties in oceanography. Developed by Neil Brown in 1977, CTD instruments are equipped with sensors for conductivity, temperature, and pressure (depth), and are typically mounted on water-sampling rosettes. CTD profiling provides essential hydrographic data that characterizes water mass structure, stratification, and circulation patterns. |
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