| Oxygen of the Earth | Go to previous course (XY plot of total carbonation and alkalinity) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1496 | Course ' XY Plot of Total Carbonic Acid vs. Alkalinity' |
| Oxygen of the Earth | Go to the next course (Oxygen in the Oceans (summary)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1501 | Course ' Oxygen in the Oceans (summary) ' |
| Oxygen of the Earth | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=236 | Course '地球の酸素' |
| Oxygen in the Oceans (summary) | Go to the "Ocean Chemistry" contents. | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Oxygen in the Oceans (summary) | Go to previous course (Oxygen of the Earth) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1500 | Course ' Oxygen of the Earth ' |
| Oxygen in the Oceans (summary) | Go to the next course (Net oxygen consumption) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1502 | Course ' Net Oxygen Consumption' |
| Oxygen in the Oceans (summary) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=237 | Course '海洋の酸素（概要）' |
| Net Oxygen Consumption | Go to the "Ocean Chemistry" contents. | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Net Oxygen Consumption | Go to previous course (Oxygen in the Oceans (summary)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1501 | Course ' Oxygen in the Oceans (summary) ' |
| Net Oxygen Consumption | Go to the next course (Formula for Calculating Oxygen Saturation Concentration in Seawater (Excel file)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1504 | Course ' Formula for Calculating Oxygen Saturation Concentration in Seawater (Excel file)' |
| Net Oxygen Consumption | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=238 | Course '正味の酸素消費量' |
| Formula for Calculating Oxygen Saturation Concentration in Seawater (Excel file) | Go to the "Ocean Chemistry" contents. | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Formula for Calculating Oxygen Saturation Concentration in Seawater (Excel file) | Go to previous course (Net Oxygen Consumption) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1502 | Course ' Net Oxygen Consumption' |
| Formula for Calculating Oxygen Saturation Concentration in Seawater (Excel file) | Go to the next course (Apparent Oxygen Utilization (AOU) Summary) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1505 | Course ' Apparent Oxygen Utilization (AOU) Summary' |
| Formula for Calculating Oxygen Saturation Concentration in Seawater (Excel file) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=239 | Course '海水中の酸素飽和濃度の計算式（エクセルファイル）' |
| Apparent Oxygen Utilization (AOU) Summary | Go to the "Ocean Chemistry" contents. | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
| Apparent Oxygen Utilization (AOU) Summary | Go to previous course (Formula for Calculating Oxygen Saturation Concentration in Seawater (Excel file)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1504 | Course ' Formula for Calculating Oxygen Saturation Concentration in Seawater (Excel file)' |
| Apparent Oxygen Utilization (AOU) Summary | Go to the next course (Vertical Distribution of Apparent Oxygen Utilization (AOU)) | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1506 | Course 'Vertical Distribution of Apparent Oxygen Utilization (AOU)' |
| Apparent Oxygen Utilization (AOU) Summary | japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=240 | Course 'みかけの酸素消費量（AOU）の概要' |
| Vertical Distribution of Apparent Oxygen Utilization (AOU) | Go to the "Ocean Chemistry" contents. | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=1103 | Course 'Chemical Oceanography (by Ooki) Index' |
