53 results about "Seaweed farming" patented technology

The invention provides a seaweed farm ecosystem prediction method, system, device and medium, and belongs to the technical field of seaweed farms, and the method specifically comprises the steps: collecting basic data of a seaweed farm ecosystem, and forming an ecological data set; preprocessing the ecological data set; determining a seaweed field prediction index, using a DMD mode to decompose and extract a time-delay main mode, then using convergence cross mapping to quantify causal intensity, constructing an environmental factor and biological index space-time diagram, and learning a causal edge weight through a graph attention network; predicting index change in combination with the incidence relation, and performing hybrid prediction by adopting a pulse disturbance-recovery coupling model and digital twinborn reinforcement learning; and visually outputting the prediction result. According to the method, a seaweed field ecological system monitoring and predicting system of data, information, knowledge and decision is constructed, the ecological system state characterization capability and risk early warning perspectiveness are improved, and scientific and efficient technical support is provided for marine ecological protection and management.

The invention provides a removable carbon sink amount accounting method for macroalgae. The method comprises the following steps: S1, extracting an algae culture area of a culture area from a remote sensing image through a classification extraction method; s2, the unmanned aerial vehicle is used for collecting sample points of the breeding area, and the breeding area of the sample points is counted; s3, comparing the areas obtained in the step S2 with the area obtained in the step S1 to obtain a correction coefficient of the remote sensing image area of the seaweed culture area; s4, summarizing the relationship between the corrected seaweed culture area and biomass in combination with unmanned aerial vehicle image analysis and a field investigation result to obtain culture biomass; and S5, calculating the removable carbon sink amount of the seaweed according to the following formula: the removable carbon sink amount = culture biomass * dry weight rate * carbon content. According to the method, the removable carbon sink amount of the macroalgae can be reflected, calculated, corrected and calculated practically in the determined sea area, and the method has an important guiding effect on removable carbon sink calculation of vast breeding enterprises and collective units.

The invention relates to the technical field of data processing, and discloses a method and a system for intelligently evaluating the bearable capacity of algae based on data analysis. The method comprises the following steps: acquiring environmental parameters of a seaweed culture area through a multi-layer sensor, and obtaining a standardized data set by using an abnormal value detection algorithm; dividing the breeding area into environment layering sub-areas by adopting a clustering algorithm; training the relationship between the environment and the bearing capacity by using a machine learning algorithm to obtain regionalized prediction data; calculating ecological, economic and social three-dimensional indexes, and establishing a sustainable evaluation index system; and constructing a neural network model, and outputting an intelligent evaluation value of the alga bearable capacity. According to the method, the problems of insufficient multi-dimensional data processing capability and lack of regional differentiation assessment in an existing alga bearing capacity assessment method are solved, and the accuracy and the intelligent level of alga bearing capacity assessment are improved.

The invention provides a carbon sink measurement and calculation method and system for seaweed culture by an underwater robot, and the method comprises the steps: dividing a culture region in a calibrated water area, culturing seaweeds in the culture region through bamboo rafts, and calibrating the gaps between the seaweeds according to the gaps between the bamboo rafts. The underwater robot is regularly operated to trace at the interval position between the seaweeds in the culture area to perform image acquisition, water quality monitoring is performed on the calibrated water area, the acquired data is collected and summarized to form underwater image data, and the underwater image data is preprocessed; performing segmented transverse cutting on the preprocessed underwater image data according to a growth period interval, marking pictures of a seaweed growth region, recording a marking number, limiting cut seaweed boundary pictures through a neural network, integrating the marked number pictures and the boundary pictures, and performing statistics on an effective culture region area; the underwater robot synchronously obtains effective cultivation area data through laser or sonar.

The invention discloses algae deep and far sea culture floating body equipment based on a novel paper folding structure. The equipment comprises a main rod, a plurality of culture rods, a plurality of auxiliary rods, a telescopic rod, a fixed block, a sliding block, a limiting block, a base, a plurality of culture paper folding floating bodies, a connecting bearing, a buoyancy ball, an anchor and an anchor chain; the fixing block and the base are fixed to the top end and the bottom end of the main rod respectively. The main rod is sleeved with the sliding block in a sliding mode. Two ends of the telescopic rod are respectively connected with the slider and the base; the breeding rod and the auxiliary rod are hinged to the fixed block and the sliding block respectively, and the free end of the auxiliary rod is hinged to the breeding rod; the sliding blocks slide along the main rods, so that the breeding rods can be changed between an unfolded state and a folded state; the buoyancy ball is fixed to the top end of the main rod, the breeding origami floating body is arranged on the breeding rod, the breeding origami floating body is provided with a cavity capable of being filled with nutrient substances, and the surface of the shell is provided with a hollow structure. The deep sea algae culture floating body equipment can meet attachment and nutrition carrying of algae culture in deeper sea areas.

The invention discloses multifunctional sea grass cultivation equipment, and relates to the technical field of sea grass cultivation. The sea grass breeding mechanism is arranged at the bottom of the buoy mechanism and comprises a connecting frame and a breeding frame, the whole breeding frame is conical and spirally surrounds the connecting frame, the upper end of the breeding frame is fixedly connected with the connecting frame so that the lower portion of the breeding frame can shake up and down, and a damping mechanism is arranged between the lower end of the breeding frame and the connecting frame. Sea grass is cultivated through the upper conical spiral frame, the stability of the spiral frame is improved, the illumination condition of the sea grass is met, oysters are cultivated on the lower portion of the sea grass through the lifting rope, and cooperative growth of the sea grass and the oysters is promoted. The sea grass culture and the aquaculture are integrated, the sea grass carbon sink capacity and the marine fishery economic value can be increased in the same unit area, and meanwhile the equipment has the marine environment monitoring capacity through various water quality sensors in the equipment.

The invention discloses a macroalgae carbon footprint evaluation method for growth model and life cycle evaluation. The macroalgae carbon footprint evaluation method comprises the following steps: S1, determining a research purpose, a system boundary and a function unit; s2, dynamically coupling the growth process and the carbon sink mechanism of the macroalgae, and obtaining natural process carbon footprint data; s3, collecting industrial process carbon footprint data and constructing a front-end data list; s4, carrying out modeling evaluation by utilizing openLCA (Open LCA) software and an Ecoinvent3.8 database; s5, analyzing a result and identifying a key discharge process and a material flow; according to the method, a dynamic growth model of the macroalgae is combined with a full-life-cycle method for the first time, so that a natural process and an industrial process are brought into a unified carbon evaluation system, dynamic correction of natural environment factors on the carbon footprint is realized, scientificity and accuracy of carbon footprint evaluation of the macroalgae culture system are improved, and the carbon footprint evaluation efficiency is improved. And a technical method is provided for optimizing a large seaweed culture process and the like.

The present invention provides a seaweed fertilizer material that allows for easy and inexpensive fertilization and supplemental fertilization of seaweed, as well as enabling the strengthening and reuse of cultivation ropes, a seaweed cultivation facility equipped with this material, a method for manufacturing the seaweed fertilizer material, and a method for cultivating seaweed. [Solution] The seaweed fertilizer material 1 according to the present invention is a seaweed fertilizer material 1 for fertilizing seaweed, and contains raw rubber and shell powder obtained by grinding the shells of marine organisms into powder, and is formed in the form of a sheet or string. The shell powder may be powder from sea urchin shells, and may further contain iron fulvic acid.

A seaweed-culturing device (10) comprising: a culturing line (2) that is configured to be removable and that is formed of a rope for rooting a plant that is cultured underwater; a horizontal part (12) for keeping the culturing line (2) horizontal underwater; a support part (11) that supports the horizontal part (12) so that the horizontal part is fixed to the bottom of the water; a plurality of poles (13) that are provided to the horizontal part (12) and that extend vertically toward the water surface; a plurality of stoppers (14) that are provided to the plurality of poles (13) and that hold the culturing line 2 at a prescribed water depth; and a plurality of buoys (15) that are provided to the plurality of poles (13) and that generate buoyancy so as to keep the culturing line 2 at the prescribed water depth.

The present invention discloses an anti-trawling underwater coral ecological restoration device in the field of coral reef ecological restoration, comprising a shell, an upper base detachably connected to the bottom of the shell, a plurality of pistons provided at the bottom of the upper base, a lower base detachably connected to the bottom of the piston, a locking assembly provided at the bottom of the lower base, a seaweed cultivation net provided along the circumference of the bottom of the lower base, a plurality of seaweeds cultivated on the surface of the seaweed cultivation net, a non-Newtonian fluid layer provided on the outer wall of the shell, and a plurality of buffer assemblies and a plurality of cultivation assemblies equidistantly staggered on both sides of the inner shell. The anti-trawling effect of the entire device is achieved by the locking effect of the arc shovel and the seaweed on the entire device, and the buffering effect of the non-Newtonian fluid layer on the force applied to the device, while the corals are protected by the shell, and the photosynthesis of the corals is made more complete by using halogen lamps, providing a more suitable growth environment for the corals.

To provide an active treatment agent for laver aquaculture containing oxalic acid dihydrate.SOLUTION: The present invention relates to an active treatment agent for laver aquaculture containing oxalic acid dihydrate, wherein a first active treatment agent containing oxalic acid dihydrate is superior in pitch removal capability, green laver removal capability, copepod removal capability, and cadmium removal capability, and, when mixed with a second active treatment agent that is activated chlorine dioxide aqueous solution, by confirming that harmful microorganisms belonging to the genus Pseudoalteromonas, which soften laver tissue, are markedly reduced, an active treatment agent for laver aquaculture that is environmentally friendly and excellent is provided.SELECTED DRAWING: Figure 1

According to a first aspect of the disclosure, there is provided a rimless sheave for receiving and guiding a section of seaweed cultivation rope According to a second aspect of the disclosure, there is provided a submersible seaweed cultivation apparatus for cultivating seaweed on a rope loop. According to a third aspect of the disclosure, there is provided a rope driving module for driving a seaweed cultivation rope loop. According to a fourth aspect of the disclosure, there is provided a rope servicing platform for servicing a seaweed cultivation rope loop in a body of water. According to a fifth aspect of the disclosure, there is provided a seaweed cultivation system for cultivating and harvesting seaweed in a body of water. According to a sixth aspect of the disclosure, there is provided a use of a seaweed cultivation system according the fifth aspect of the disclosure. According to a seventh aspect of the disclosure, there is provided a use of a rimless sheave according to the first aspect of the disclosure. According to an eighth aspect of the disclosure, there is provided a use of a submersible seaweed cultivation apparatus according to the second aspect of the disclosure. According to a ninth aspect of the disclosure, there is provided a use of a rope servicing platform according to the fourth aspect of the disclosure. According to a tenth aspect of the disclosure, there is provided a method of installing a submersible seaweed cultivation apparatus. According to an eleventh aspect of the disclosure, there is provided a method of harvesting seaweed. According to a twelfth aspect of the disclosure, there is provided a rope seeding module for seeding a section of seaweed cultivation rope. According to a thirteenth aspect of the disclosure, there is provided a rope cleaning module for cleaning a section of seaweed cultivation rope.

A seaweed farming system for farming of seaweed in a water body is described herein. In an embodiment, the seaweed farming system includes a seaweed farm operating assembly which further includes a harvesting unit to separate vegetative portion of seaweed from mature seaweed. The mature seaweed can grow on a plantation substrate. The seaweed farm operating assembly also includes a seeding unit to receive the vegetative portion of the seaweed from the harvesting unit and to sow the vegetative portion of the seaweed in a fresh plantation substrate.

To provide a laver cultivation acid-treatment ship (submerged ship) capable of efficiently performing a high salinity acid treatment in laver cultivation.SOLUTION: In the laver cultivation acid-treatment ship (submerged ship), a salt-accommodating housing 94 for accommodating solid salts S having an outflow hole 94a on a bottom surface portion and / or a side surface portion is provided, an acid-treatment liquid supplying portion 95 connected to the circulating portion 60 and configured to supply the acid-treatment liquid 31 from the circulating portion 60 to the salt-accommodating housing 94 is disposed in the salt-accommodating housing 94, a high-salt concentration acid-treatment liquid supplying mechanism configured to supply the acid-treatment liquid 31 sent from the acid-treatment liquid supplying portion 95 to the solid salts S in the salt-accommodating housing 94 to dissolve the solid salts S and cause the acid-treatment liquid 31s having a high-salt concentration higher than that of the laver cultivation sea area to flow out from the outflow hole 94a of the salt-accommodating housing 94 and return to the acid-treatment liquid storage tank 39 is provided, and a salt concentration control portion 90 configured to detect the salt concentration of the acid-treatment liquid 31 in the acid-treatment liquid storage tank 39 and control the amount of the acid-treatment liquid 31 supplied to the salt-accommodating housing 94 based on the detected value to obtain a constant high-salt concentration is provided.SELECTED DRAWING: Figure 3

The utility model discloses a circulation system for cultivating algae for eating of oysters and purifying water, and relates to the technical field of aquaculture, a fish pond, a nitrification pond, an algae pond and an oyster pond are communicated to form a closed loop, so that circulating purification and utilization of salty and fresh water aquaculture sewage are realized, and the aquaculture sewage is fermented by the nitrification pond and then is discharged by the algae pond. According to the present invention, the water flows into the algae pool to provide nutrients for algae culture, the algae enters the oyster pool through the flowing water to serve as the nutrients for the oysters, the culture sewage is subjected to multi-stage purification through the multi-stage algae pool and the multi-stage oyster pool, and the purified water flows back to the fish pool to achieve cyclic utilization, such that the diversity of the culture can be achieved through the culture of the oysters and the algae, biological purification can be carried out on the salty and fresh water aquaculture sewage by means of cultured oysters and algae, and the biological treatment effect of the salty and fresh water aquaculture sewage is effectively improved.

Provided are a seaweed cultivation rope, a seaweed cultivation facility, and a seaweed cultivation method that can continuously promote the growth of all seaweed to be cultivated. [Solution] The seaweed cultivation rope 1A comprises a training rope 5 with seaweed attached, a wire 6 attached to the training rope 5, and a magnesium rod 7 supported by the training rope 5, made of a metal material with a higher ionization tendency than the wire 6, electrically connected to the wire 6, and supplying electrons to the wire 6 when placed in the sea.

The invention discloses a macroalgae growth promotion method based on nutrient concentration regulation and control, and relates to the technical field of aquaculture, and the method comprises the following steps: S1, detecting a water body in an algae culture environment, and obtaining initial nutrient concentration data and environmental parameters of the water body; s2, designing a nutrient regulation scheme, wherein the nutrient regulation scheme comprises the type, the concentration and the supplement time interval of nutrients needing to be supplemented; s3, adjusting the nutrient input amount according to the nutrient adjustment scheme in the S2; s4, controlling accumulation of toxic substances by adjusting the nutrient input amount; and S5, regularly evaluating the nutrient adjustment effect, and adjusting the nutrient adjustment scheme according to the evaluation result. According to the method, by accurately adjusting the nutrient concentration in the water body and combining with toxic substance monitoring, the growth environment of the seaweed is optimized, the culture efficiency is improved, accumulation of toxic substances is effectively avoided, and healthy growth of the seaweed and the stability of water quality are guaranteed.

The present invention relates to a seaweed processing plant, more specifically a portable seaweed processing plant. The portable seaweed processing plant comprises a shipping container having a substantially rectangular cuboid shaped body with at least one releasably securable door to provide access to and from the interior of the container. The container is configured for transport on an articulated chassis. The shipping container houses a seaweed processing line.

The invention relates to the technical field of sargassum fusiforme cultivation, and discloses a sargassum fusiforme male frond living environment analysis regulation and control system and method.The analysis regulation and control system comprises a multi-source data acquisition module, a gender recognition and physiological state analysis module, a dynamic environment regulation and control module, a biological prevention and control module and a risk prediction and feedback module; the analysis regulation and control method comprises the following steps: acquiring environmental parameters and frond physiological data; identifying the gender and the physiological stage of the frond; dynamically regulating and controlling environmental parameters; executing biological prevention and control; and risk prediction and feedback regulation and control are carried out. Through intelligent, dynamic regulation and control, real-time monitoring, biological prevention and control and other technologies, the survival rate of the male algae is increased, the sperm discharge period of the male algae is prolonged, the fertilization rate during manual seedling collection is increased, and sustainable development of ecological environment protection and algae culture is promoted.

The present invention relates to the technical field of marine carbon fixation and storage, and in particular to a device and method for carbon dioxide capture and marine carbon sequestration. The device includes a seawater alkalization mechanism, a diatom breeding system, a power component and a monitoring component, the power component is respectively connected to the seawater alkalization mechanism, the diatom breeding system and the monitoring component, the water outlet of the seawater alkalization mechanism is connected to the diatom breeding system, and the monitoring component is respectively connected to the seawater alkalization mechanism and the diatom breeding system. It realizes the integrated process of seawater alkalization and seaweed cultivation, quickly captures atmospheric carbon dioxide by dissolving alkaline minerals in seawater, uses diatom breeding to reduce the concentration of free silicate and carbonic acid in seawater, stores carbon in inorganic / organic, granular / dissolved forms, and increases the marine carbon storage period.

The present product is a seaweed box used, for example, when performing activation treatment or fertilization treatment of cultured seaweed. More specifically, as shown in the [reference perspective view (see-through)], the present product is provided with a loop-shaped pipe that is used, for example, when eradicating seaweeds other than seaweed, such as diatoms and green laver (miscellaneous algae), or pathogenic bacteria, such as red rot fungus and filamentous bacteria, that are attached to a seaweed net during seaweed cultivation (activation treatment of cultured seaweed), or when administering a fertilization treatment liquid to promote the growth of seaweed (fertilization treatment of cultured seaweed), and the loop-shaped pipe has a plurality of ejection holes.

The present invention relates to a system (100) and method for sensing and monitoring marine environment. The system (100) comprises the primary components of a buoy (102), at least one gateway (104), at least one data concentrator (106), and a private cloud computing unit (108). Plurality of sensors (110-1,110-2... 110-n) are embedded with the buoy (102) for the acquisition of various physical, chemical and biological data of marine environmental conditions. The invention also relates to method of organizing such buoys (102) and directed towards providing a command, control and communicating through the gateway (104), and cloud computing unit (108) which is coupled with IoTs establishing an effective functioning between plurality of buoys working in conjunction with each other. The invention also relates to providing a method of measuring various parameters in the marine environment relating to seaweed cultivation through the buoy (102).

The invention relates to a seaweed field wild stichopus japonicus recognition model based on stable isotopes and a construction method thereof. According to the model provided by the invention, a large batch of stichopus japonicus samples can be identified in a stable isotope detection mode in combination with a parameter calculation method provided by the patent. The model and the identification method can be applied to large-scale rapid and accurate direction identification of wild stichopus japonicus in a seaweed field in an aquatic product market, are easier to popularize, and are beneficial to standard productization development of the wild stichopus japonicus market.

To provide a fertilizing cylinder for culturing Nori capable of supplying nitrogen, phosphorus, etc., necessary for the growth of Nori in an economical and environment-friendly manner in relation to the supply of nutrient salts in the culturing of Nori by a support fence system and to provide a fertilizing method for culturing Nori.SOLUTION: In a fertilizing cylinder for culturing Nori, there is one hole 3, 5 at each of the top and bottom of the fertilizer barrel 10, when the tide level drops and the cylinder becomes exposed above a sea level, air enters through the hole 3 at the top of the cylinder, and the aqueous solution formed by dissolving a fertilizer material 6 in seawater that has entered the barrel is discharged through hole 5 at the bottom of the cylinder, wherein the size of the lower hole 5 is set at a height at which the surface tension of the aqueous solution when it exits from the lower hole 5 of the fertilizing cylinder matches the water pressure of the aqueous solution inside the fertilizer cylinder, and at which the aqueous solution stops discharging from the lower hole 5 of the fertilizer cylinder. Also there is provided a fertilizing method for culturing Nori using the fertilizing cylinder for culturing Nori.SELECTED DRAWING: Figure 1

The application relates to the technical field of data processing, and discloses a seaweed bearable capacity intelligent evaluation method and system based on data analysis. The method comprises the following steps: collecting environment parameters of a seaweed cultivation area through a multilevel sensor, and obtaining a standardized data set by using an outlier detection algorithm; dividing the cultivation area into environment layered sub-areas by using a clustering algorithm; training the relationship between the environment and the bearable capacity by using a machine learning algorithm to obtain regionalized prediction data; calculating three-dimensional indexes of ecology, economy and society to establish a sustainability evaluation index system; and constructing a neural network model to output the seaweed bearable capacity intelligent evaluation value. The application solves the problems of insufficient multidimensional data processing capability and missing regional differentiation evaluation in the existing seaweed bearable capacity evaluation method, and improves the accuracy and intelligent level of seaweed bearable capacity evaluation.

The present application provides a kind of seaweed field habitat marine engineering equipment, which solves the problem that the existing algae, shellfish and fish culture are greatly influenced by natural factors such as ocean and weather, and the single ecological environment of culture. It comprises a main frame assembly and a culture raft assembly arranged inside the main frame assembly. The main frame assembly is a floating body frame structure that can adjust its weight by water injection or drainage. The top of the main frame assembly is provided with corresponding tensioning lifting mechanisms at both ends, and the culture raft assembly is horizontally suspended between the corresponding tensioning lifting mechanisms. The inside of the main frame assembly is provided with a net. The present application is widely used in the field of ocean engineering technology.

The invention discloses an underwater monitoring device for a seaweed field ecological system, and belongs to the field of ecological system monitoring, the device comprises a first frame body, a second frame body, an image capturing assembly and a light supplementing assembly, the image capturing assembly and the light supplementing assembly are arranged on the first frame body, and the second frame body is arranged on the second frame body; the light supplementing assembly is provided with a movable first lamp body and a movable second lamp body to enlarge the light supplementing range, in order to improve the stability of the device, a second frame body is arranged below the first frame body, a bottom sitting assembly is arranged on the outer side of the lower portion of the second frame body, and a first floating body, a second floating body and a balancing weight are connected to the upper portion of the first frame body to mark the position where the device is located. The system is suitable for monitoring an underwater ecological system, has the advantages of convenience in operation, good stability and the like, and can provide high-quality underwater images.

The present invention relates to a seaweed cultivation net cleaning device for a ship, which is provided with a cleaning nozzle for performing cleaning on the upper surface portion of the seaweed cultivation net to be salvaged during the netting work of towing the seaweed cultivation net to the ship, and since the cleaning nozzle is arranged at a prescribed interval along the width of the seaweed cultivation net to be salvaged, cleaning water (sea water) can be uniformly sprayed to the entire area of the seaweed cultivation net even in the case of low water pressure to guide the cleaning.

The application discloses a seaweed cultivation remote sensing extraction method and system based on relative darkness and time sequence stability. In view of the problems that the traditional spectral method is easily disturbed by the water environment and the deep learning method depends on a large number of samples, the application provides an unsupervised extraction scheme, and the core steps of the scheme include the following steps: a morphological structure element suitable for the size of a cultivation raft is constructed, the background of the sea surface is inhibited through morphological bottom-hat transformation, the weak'relative dark' signal of the large seaweed is reversed and enhanced into an 'absolute bright' signal with high signal-to-noise ratio, the position of the cultivation raft is fixed, the time sequence median synthesis is further conducted on the enhanced image sequence, the moving noise is automatically filtered out, and the growth cycle signal is completed, and finally, the extraction is realized through adaptive threshold segmentation. The application is free from the dependence on absolute spectral values, has high robustness and calculation efficiency, and is suitable for large-scale business mapping under complex sea conditions.

This invention discloses a red tide control method based on year-round cultivation of Gracilaria fusiforme, belonging to the field of red tide control. The method includes: selecting sea areas requiring prevention or restriction of red tide outbreaks, or adjacent sea areas, as cultivation zones; using heat-resistant and rapidly growing Gracilaria fusiforme seedlings; and implementing a year-round multi-crop rotation cultivation system centered on seedling introduction from April to September to ensure that Gracilaria fusiforme is in its vigorous growth period during the peak red tide season in summer, continuously absorbing nutrients such as nitrogen and phosphorus from the water, thus achieving dynamic regulation of nutrient levels in the sea area and suppressing red tide occurrences at the source. This invention, through year-round multi-crop rotation cultivation, precisely covers the peak red tide season in summer, breaking through the bottleneck of the misalignment between traditional seaweed cultivation and red tide control. Simultaneously, as an economically valuable seaweed, Gracilaria fusiforme can create significant socio-economic benefits during ecological restoration, forming a long-term mechanism that synergizes environmental, ecological, and economic benefits, providing an efficient, environmentally friendly, and economically valuable innovative solution for red tide control.