40 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 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 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 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.

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 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 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).

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 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.

The application discloses a land-based factory cultivation method of red seaweed of the genus Devalera, and belongs to the technical field of seaweed cultivation. The method comprises the following steps: preparation and construction of a cultivation system; preparation of a seed fixing net; inoculation and planting of the red seaweed of the genus Devalera; red seaweed seedling supplement; daily management and environmental regulation; harvesting of the red seaweed of the genus Devalera; and continued cultivation after harvesting. The red seaweed seedlings of the genus Devalera are planted on the seed fixing net in the cultivation pond, so that the stability of the red seaweed seedlings is enhanced; the red seaweed seedlings left after harvesting can be continuously cultivated, so that the cultivation times are increased; the cultivation water is circulated to cultivate the red seaweed seedlings, so that the stability of the whole cultivation ecological environment is maintained; and the cultivation water can be directly used for animal cultivation after being output. The circulation cultivation method increases the stability of the cultivation water body, reduces the breeding of exogenous microalgae and epiphytic weeds, improves the yield and quality of the cultivated varieties, and is favorable for the popularization of the large-scale cultivation of the seaweed.

The invention discloses an environment regulation and control method and system for improving the restoration efficiency of a seaweed farm, and relates to the technical field of environment regulation and control, and the method comprises the steps: receiving a restoration scheme of a seaweed farm restoration region, the restoration scheme comprises a restoration seaweed type, a restoration region, a transplanting state and a restoration stop state, and the restoration region is provided with an environment regulation and control device; analyzing the relationship between the water body environment and the seaweed growth speed based on the type of the repaired seaweed, and determining the optimal environment parameters from the transplanting state to the repairing stop state; diffusion attribute parameters are extracted from the optimal environment parameters, original control parameter time sequence compensation based on diffusion influence analysis is carried out in the restoration area, and compensation parameters are generated; and updating the optimal environment parameter by using the compensation parameter, and performing environment regulation and control by using the environment regulation and control device. The technical problem that in the prior art, the seaweed field repairing efficiency is low is solved, and the technical effect of improving the seaweed repairing efficiency is achieved.

The application discloses a seaweed deep-sea cultivation floating body equipment based on a novel paper folding structure, which comprises a main rod, a plurality of cultivation rods, a plurality of auxiliary rods, an extension rod, a fixing block, a sliding block, a limiting block, a base, a plurality of cultivation paper folding floating bodies, a connecting bearing, a buoyancy ball, an anchor and an anchor chain; the fixing block and the base are fixed at the top end and the bottom end of the main rod respectively, and the sliding block is slidably sleeved on the main rod; the two ends of the extension rod are connected with the sliding block and the base respectively; the cultivation rod and the auxiliary rod are hingedly connected on the fixing block and the sliding block respectively, and the free end of the auxiliary rod is hingedly connected with the cultivation rod; the cultivation rod can change between an unfolded state and a folded state through sliding of the sliding block along the main rod; the buoyancy ball is fixed on the top end of the main rod, and the cultivation paper folding floating body is arranged on the cultivation rod; the cultivation paper folding floating body has a cavity capable of filling nutrient substances, and the surface of the shell body has a hollow structure. The seaweed deep-sea cultivation floating body equipment can meet the requirements of seaweed cultivation adhesion and nutrient carrying in deeper sea areas.

The invention provides a dynamic simulation method for a seaweed culture water environment in an open sea area, which comprises the following steps of: arranging a plurality of space observation points at a seaweed culture bay, and acquiring seawater salinity, actually measured concentration of dissolved organic carbon and geographical location information of each observation point; based on two-end-member mixed analysis of a fresh water end member and a seawater end member, constructing a hydrological background correction model, and calculating the conservative mixed concentration of dissolved organic carbon at each observation point; constructing a two-dimensional hydrodynamic exchange model, simulating a bay water body flow and exchange process, and outputting water body half-exchange time and daily average water body exchange flow of each observation point; coupling the hydrological background correction model and the hydrodynamic force exchange model, and calculating the net flux of the dissolved organic carbon of the algae source at each observation point in combination with the actually measured concentration of the dissolved organic carbon at each observation point; constructing a coupling model of algae growth and dissolved organic carbon release based on the net flux of algae source dissolved organic carbon at different culture time; the simulation and prediction of the net flux of the dissolved organic carbon of the gulf algae source along with the culture time change are realized.

The invention discloses a method and a device for calculating an algae culture space demand under a carbon neutralization target. The method comprises the following steps: determining the annual total demand of algae carbon sink under the carbon neutralization target; based on the current culture structure, calculating a carbon removal contribution ratio which needs to be borne by each culture algae under a carbon neutralization target; according to the annual total demand and the carbon removal contribution ratio, calculating the carbon removal amount to be borne by each cultured algae under a carbon neutralization target; based on a macroalgae carbon sink calculation formula, converting the carbon removal amount into a dry weight yield demand; and calculating a breeding space demand corresponding to the dry weight yield demand by constructing a historical yield-area model. The core problems of large long-term prediction error, weak model generalization ability and insufficient seaweed heterogeneity adaptation in the prior art are solved, and an accurate decision tool is provided for carbon neutralization target driven seaweed culture space planning.

To provide an agent which has no adverse influence on biological tissue of seaweed and can promote seaweed growth and a method for culturing seaweed using the same.SOLUTION: A growth promoter for seaweed comprises at least one compound selected from the group consisting of an oxo fatty acid or a salt thereof, and a hydroxy fatty acid or a salt thereof.SELECTED DRAWING: None

Various embodiments relate to a cultivation system configured to capture, retain, and maintain viability of spores, and more particularly to a cultivation system having a growth medium that provides effective capture, attachment, and growth of seaweed while also having anti-biofouling properties. The cultivation system can include a growth medium having a roughened surface supported by a support structure.

The invention belongs to the technical field of life cycle evaluation methods, and relates to a seaweed cultivation carbon footprint accounting method based on life cycle evaluation, and the life cycle evaluation method is used for evaluating various environmental loads of a seaweed cultivation system, namely kelp, undaria pinnatifida, laver, eucheuma and gracilaria. First, a life cycle boundary of a seaweed culture system is determined. Secondly, data such as material input, energy consumption and waste discharge of the system are collected, and life cycle list analysis is carried out; then, modeling is carried out on the breeding system by utilizing GaBi software, and the environmental influence of the breeding system is quantified by adopting a ReCiPe 2016 v1.1 Midpoint (H) method; and finally, comprehensively analyzing the result, identifying key links influencing carbon emission, and providing corresponding optimization and improvement measures. The invention provides a scientific basis for low-carbon development of global seaweed breeding industry.