| Global Distribution of Dissolved Oxygen | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=242 | Course '溶存酸素の全球分布' |
| Dissolved Oxygen Measurement (DO Water Sampling Method) | Go to the "Ocean Chemistry" contents | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Dissolved Oxygen Measurement (DO Water Sampling Method) | Go to the previous course (Global Distribution of Dissolved Oxygen) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1507 | Course ' Global Distribution of Dissolved Oxygen' |
| Dissolved Oxygen Measurement (DO Water Sampling Method) | Go to the next course (What are the nutrients in the sea?) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1509 | Course 'What are the nutrients in the sea?' |
| Dissolved Oxygen Measurement (DO Water Sampling Method) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=243 | Course '溶存酸素測定（DO採水の方法）' |
| What are the nutrients in the sea? | Back to "Chemistry of the Sea" Table of Contents | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| What are the nutrients in the sea? | Go to the previous course (Dissolved Oxygen Measurement (DO Sampling Method)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1508 | Course 'Dissolved Oxygen Measurement (DO Water Sampling Method)' |
| What are the nutrients in the sea? | Go to the next course (Factors limiting basic production in the ocean (nutrient supply to the surface)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1510 | Course ' Factors Restricting Primary Production in the Ocean (Nutrient Supply to the Surface)' |
| What are the nutrients in the sea? | japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=245 | Course '海の栄養成分とは何か' |
| Consumption and Bioproduction of Silicate by Diatoms | Go to the "Ocean Chemistry" contents | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Consumption and Bioproduction of Silicate by Diatoms | Go to the previous course (Factors Restricting Primary Production in the Ocean (Nutrient Supply to the Surface)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1510 | Course ' Factors Restricting Primary Production in the Ocean (Nutrient Supply to the Surface)' |
| Consumption and Bioproduction of Silicate by Diatoms | Go to the next course (Diatom Proliferation and Silicate Depletion (Cartoon-Style Explanation)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1512 | Course 'Diatom Proliferation and Silicate Depletion (Cartoon-Style Explanation)' |
| Consumption and Bioproduction of Silicate by Diatoms | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=247 | Course '珪藻による珪酸塩の消費と生物生産' |
| Diatom Proliferation and Silicate Depletion (Cartoon-Style Explanation) | Go to the "Ocean Chemistry" contents | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Diatom Proliferation and Silicate Depletion (Cartoon-Style Explanation) | Go to the previous course (Consumption and Bioproduction of Silicate by Diatoms) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1511 | Course ' Consumption and Bioproduction of Silicate by Diatoms' |
| Diatom Proliferation and Silicate Depletion (Cartoon-Style Explanation) | Go to the next course (Global Distribution of Nutrients) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1513 | Course 'Global Distribution of Nutrients' |
| Diatom Proliferation and Silicate Depletion (Cartoon-Style Explanation) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=248 | Course '珪藻の増殖とケイ酸の枯渇（マンガ風解説）' |
| Global Distribution of Nutrients (Silicic Acid Difference) | Go to the "Ocean Chemistry" contents | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Global Distribution of Nutrients (Silicic Acid Difference) | Go to the previous course (Global Distribution of Nutrients) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1513 | Course 'Global Distribution of Nutrients' |
| Global Distribution of Nutrients (Silicic Acid Difference) | Go to the next course (Nutrients Limiting Primary Production (Characteristics by sea area)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1515 | Course ' Nutrients Limiting Primary Production (Characteristics by sea area) ' |
