Nutritional component supply support system and nutritional component supply support method

Abstract

This invention provides a nutritional component supply support system and a nutritional component supply support method that can assist in supplying appropriate nutrients in the appropriate amount and at the appropriate time. [Solution] The nutrient supply support system 1 according to the present invention comprises: an additional supply nutrient concentration setting unit 16 that sets additional supply nutrient concentration information 14 relating to the concentration of nutrients to be additionally supplied to a target water body; a carbon fixation increase calculation unit 20 that calculates a carbon fixation increase index 18 relating to the increase in carbon fixation by aquatic plants based on natural environment information 10 including natural water nutrient concentration information relating to the concentration of nutrients in the natural water of the target water body, aquatic plant biomass information 12 relating to the biomass of aquatic plants in the target water body, and additional supply nutrient concentration information 14; an aquatic plant carbon fixation effect index calculation unit 24 that calculates an aquatic plant carbon fixation effect index 22 relating to the carbon fixation effect by aquatic plants based on the carbon fixation increase index 18 and the additional supply nutrient concentration information 14; and a display unit 26.

Claims

1. This is a nutrient supply support system that assists in supplying nutrients to aquatic plants in the target water area. An additional nutrient concentration setting unit sets additional nutrient concentration information regarding the concentration of nutrients to be supplied to the target water area, A carbon fixation increase calculation unit calculates a carbon fixation increase index relating to the increase in carbon fixation by aquatic plants based on natural environmental information including natural water nutrient concentration information relating to the concentration of nutrients in the natural water of the target water area, aquatic plant biomass information relating to the biomass of aquatic plants in the target water area, and the additional nutrient concentration information. Based on the carbon fixation increase index and the additional nutrient concentration information, an aquatic plant carbon fixation effect index calculation unit calculates an aquatic plant carbon fixation effect index relating to the carbon fixation effect by aquatic plants. A display unit that displays the value of the aquatic plant carbon fixation effect index as a numerical value or graph on the screen, A nutritional component supply support system characterized by having the following features.

2. The aquatic plant carbon fixation effect index calculation unit calculates the aquatic plant carbon fixation effect index based on the ratio of the concentration of the additionally supplied nutrients to the increase in the amount of carbon fixed. The nutritional component supply support system according to feature 1.

3. The aquatic plant biomass information includes the growing area information of the aquatic plants and the growth stage information of the aquatic plants. The nutritional component supply support system according to feature 1.

4. The carbon fixation increase calculation unit uses solar radiation information to calculate the carbon fixation increase. The nutritional component supply support system according to feature 1.

5. The system includes a red tide prediction model that calculates the risk of red tide occurrence based on the aforementioned natural environment information and the aforementioned supplemental nutrient concentration information. The display unit displays the value of the red tide risk on the screen as a numerical value or a graph. The nutritional component supply support system according to feature 1.

6. The carbon sequestration increase calculation unit uses future predicted values ​​as natural environmental information for the target water area. The carbon fixation increase calculation unit calculates a future carbon fixation increase index for the future increase in carbon fixation by aquatic plants based on the future predicted values, the aquatic plant biomass information, and the additional nutrient supply concentration information. The aquatic plant carbon fixation effect index calculation unit calculates a future aquatic plant carbon fixation effect index based on the future carbon fixation increase index and the additional nutrient supply concentration information, and The display unit displays the value of the future aquatic plant carbon fixation effect index as a numerical value or graph on the screen. The nutritional component supply support system according to feature 1.

7. The aforementioned additionally supplied nutrients are derived from effluent from sewage treatment plants. The nutritional component supply support system according to feature 1.

8. The aforementioned target area is the ocean, The aquatic plant is seaweed or seagrass. The nutritional component supply support system according to feature 1.

9. The carbon fixation increase calculation unit uses information on the arrival time of the additionally supplied nutrients from the supply point to the location where the aquatic plants are present, and information on the change in concentration of the additionally supplied nutrients, in calculating the carbon fixation increase index. A nutrient supply support system according to any one of claims 1 to 8.

10. The system includes an arrival time and concentration change calculation unit that calculates arrival time information and concentration change information based on distance information from the supply point of the additional nutrients to be supplied to the location where the aquatic plants are present, and current direction and velocity information. The nutritional component supply support system according to feature 9.

11. To acquire one or more of the aforementioned natural environment information, aquatic plant biomass information, and tidal current direction and velocity information, one or more of the following are used: an underwater drone, a surface drone, aerial drone, and balloon camera. The nutritional component supply support system according to feature 10.

12. This is a method for supporting the supply of nutrients to aquatic plants in a target body of water. A process for setting the concentration of additional nutrients to be supplied to the target water area, and A carbon fixation increase calculation step that calculates a carbon fixation increase index relating to the increase in carbon fixation by aquatic plants based on natural environmental information including natural water nutrient concentration information relating to the concentration of nutrients in the natural water of the target water area, aquatic plant biomass information relating to the biomass of aquatic plants in the target water area, and the additional nutrient concentration information, A process for calculating an aquatic plant carbon fixation effect index, which calculates an aquatic plant carbon fixation effect index relating to the carbon fixation effect by aquatic plants based on the carbon fixation increase index and the additional nutrient concentration information, A display step of displaying the value of the aquatic plant carbon fixation effect index as a numerical value or graph on the screen, A method for supporting the supply of nutritional components, characterized by having the following features.

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