61 results about "Marine ecosystem" patented technology

The invention relates to the technical field of marine organism protection, in particular to a marine organism diversity protection method based on an ecological dynamic model, which comprises the following steps: collecting biological and non-biological data in a marine ecosystem, extracting DNA from a seawater sample by utilizing an environmental DNA technology, and constructing the ecological dynamic model based on the collected ecological data and eDNA analysis result. According to the method, the ecological dynamics model is established, the collected data is stored and verified through the block chain technology, and a marine biological diversity protection scheme is designed and implemented according to the ecological dynamics model prediction result and the block chain verification data. Scientific support is provided for protection decision making, protection measures and management regulations are automatically executed through the intelligent contract technology, the system is allowed to respond immediately when it is detected that key environment variables or biological indexes change, and the flexibility and timeliness of responding to environment changes are greatly improved.

The invention belongs to the technical field of satellite remote sensing application, and discloses an active and passive satellite remote sensing fused ocean three-dimensional chlorophyll field reconstruction method and system. According to the method, satellite-borne laser radar data is subjected to correction, signal processing and biological optical model inversion, and a chlorophyll a concentration vertical section along an orbit is obtained; forming a training set by the passive satellite observation optical variable and the marine environment variable of which the profile is matched with the space-time, so as to train a long short-term memory (LSTM) neural network model; and utilizing the trained model to reconstruct a three-dimensional chlorophyll a concentration field of a target area according to passive observation and environment variables of the target area. By fusing the advantages of a satellite-borne laser radar ICESat-2 satellite and a passive optical remote sensing satellite, three-dimensional chlorophyll a concentration field detection based on active and passive fusion remote sensing is developed, the structure and function of a marine ecosystem can be deeply known, and three-dimensional dynamic observation of the ocean is realized.

An artificial reef module for marine ecosystem restoration comprises a base having a lattice configuration and one or more poles projecting upwardly from the base and configured to support one or more artificial inhabitation units e.g., made by 3D printing, extrusion, pultrusion, or mold specific clay. The module can be configured with one or more of the artificial inhabitation units mounted on the poles, where each inhabitation unit may comprise a plurality of holes formed therein.

The invention provides a marine ecological evaluation system and method based on big data analysis, and the method comprises the steps: obtaining marine biological diversity data and image data of a marine monitoring region, the marine biological diversity data comprising historical species distribution data and ecological niche indexes; performing streaming processing on the image data by using an edge computing architecture to obtain a biological activity feature map; according to the spatial resolution of the biological activity feature map and historical species distribution data, grid division is performed on the marine monitoring area, a reference species distribution density value of each grid unit is generated, and meanwhile, a species distribution density value of each grid unit is calculated; the negative deviation between the species distribution density value of each grid unit and the corresponding reference species distribution density value is calculated, and when the negative deviation is larger than a preset extinction threshold value, the corresponding grid unit is determined as a species distribution density attenuation area; according to the technical scheme provided by the invention, dynamic evaluation and early warning of the health condition of the marine ecosystem are realized.

The present application relates to the technical field of marine construction engineering, and particularly relates to a modular multi-stage intertidal zone ecological revetment concrete block and a laying method thereof. The ecological revetment concrete block is designed with holes with a diameter of 5 cm-10 cm on the surface, and the hole density is 10-50 per square meter, so that the surface area and the attachment points are increased. The surface concave-convex degree of the ecological revetment concrete block is controlled within a range of plus or minus 5 cm, so that the anti-skid performance is improved, the water flow turbulence is increased, and the oxygen exchange is promoted. By simulating the ecological gradient of the natural intertidal zone, a suitable growth and reproduction environment is provided for marine organisms, and the balance and service function of the marine ecological system are maintained.

The present invention highlights the use of an innovative submersible structure made of concrete enriched with dead algae to promote marine biodiversity. This biodegradable material ensures better integration into aquatic ecosystems while providing a sustainable habitat for marine organisms. Furthermore, the integration of modern technologies such as sensors, sounders, cameras, GPS, modems, and underwater drones is highlighted in both texts. These tools enable real-time monitoring of artificial reefs, ensuring precise tracking of changes in marine habitats and local ecosystems. This monitoring ensures not only effective management of marine ecosystems but also enhanced protection against threats such as coastal erosion. Finally, both sections agree on the environmental and economic benefits of the project. In addition to promoting marine conservation, this invention paves the way for sustainable activities, including ecotourism, while emphasizing ecological sustainability and technological innovation. The project thus illustrates a holistic approach to addressing the environmental challenges linked to the degradation of marine ecosystems. The project represents a significant step forward in the management of marine ecosystems thanks to the combination of modern technological solutions and innovative, eco-friendly materials. By combining biodegradable artificial reefs with advanced monitoring devices, this solution offers an integrated approach to restoring marine biodiversity, protecting coastlines, and promoting sustainable activities. It represents an exemplary model of responsible and technological development, meeting current environmental conservation needs while offering viable economic opportunities.

The utility model relates to the technical field of oyster reefs, in particular to a multi-stage functional oyster reef. Comprising a corrosion-resistant alloy base and an adsorption mechanism, four conical feet are arranged at the bottom of the corrosion-resistant alloy base, the adsorption mechanism comprises a fixing frame, an adsorption frame, a stabilizing rod, an inclined plate, a top plate and an ecological device, and the adsorption frame is fixed to the fixing frame through corrosion-resistant screws and nuts. The mounting holes in the bottom of the adsorption frame are matched with the adjusting holes in the fixing frame at different positions, different working heights can be directly obtained, further, the corrosion-resistant alloy base is of a solid structure and is more stable compared with a hollow brick structure, the inclined plate and the top plate can be used for assisting oyster attachment, and the service life is prolonged. The ecological device is used for providing diversified biological inhabiting environments, healthy development of a marine ecological system is facilitated, multifunctional use of the oyster reef is achieved, then height adjustment can be achieved during use, multi-environment use of the oyster reef is facilitated, and the practicability of the oyster reef is improved.

The application relates to the technical field of marine ecological monitoring, in particular to a marine ecological dynamic prediction method and system based on multi-modal remote sensing and a space-time graph. The method comprises the following steps: performing multi-modal remote sensing feature depth fusion according to obtained remote sensing image data, wherein the multi-modal remote sensing feature depth fusion comprises multi-modal feature map extraction and space embedding, local cross-modal feature interaction and alignment, and global context aggregation and node embedding generation; constructing a space-time ecological process reasoning network STEP-Net based on coupled space diffusion and time inertia, wherein the space-time ecological process reasoning network STEP-Net comprises multi-order space diffusion field modeling and ecological state transition unit construction; and utilizing deep space-time representation generated by the STEP-Net to perform future-oriented and uncertain trajectory prediction and cause and effect attribution based on deep Taylor decomposition. The application constructs a brand-new technical framework integrating fine fusion, mechanism reasoning and interpretable prediction around the precise prediction and scientific early warning demand of marine ecological system dynamic evolution.

The invention relates to the technical field of marine protection, in particular to rotary marine protection animal selective trawling equipment which comprises a fishing boat and a fixed net fixedly connected to the bottom of the fishing boat, one side of the fixed net is rotationally matched with a rotary net, a discharge outlet is formed in the end, away from the fixed net, of the rotary net, and a fixed ring is fixedly connected to the discharge outlet. An elastic net is fixedly connected into the fixing ring and provided with an adjusting assembly used for adjusting the size of meshes of the elastic net. An intercepting assembly for intercepting large marine organisms is arranged in the fixed net; the method can effectively reduce the false catching rate of the catching operation and reduce the influence of the catching operation on the marine ecology.

The present invention discloses a method for rapid reconstruction of a regional marine environment field based on a ViT neural network, belonging to the field of environmental field reconstruction technology. The method comprises acquiring and preprocessing multi-source marine data, calculating the density field from the preprocessed multi-source marine data, and constructing a multi-factor coupling field based on the temperature field, salinity field, and density field; preparing a deep learning sample set, constructing and training a ViT environmental field generation model, and using the trained ViT environmental field generation model to reconstruct the regional marine environment field. The method comprehensively considers the coupling of multiple marine factor fields and achieves the reconstruction of a three-dimensional environmental field of regional ocean temperature, salinity, and density. The method is accurate, high-resolution, and rapid, and can play a role in data support and application assurance in fields such as marine disaster prevention and mitigation, marine ecosystems, and marine climate change.

To solve problems such as the deterioration of the marine environment, including marine ecosystems, due to marine litter in recent years, particularly the problem of marine plastic litter, which not only occurs in large quantities every day around the world but also remains in the ocean for long periods of time and requires global-scale measures, and problems such as the reuse of industrial waste, such as salmon milt, which amounts to approximately 10,000 tons per year and is disposed of as industrial waste in Japan, in order to realize a sustainable society.SOLUTION: With the aim of potentially reusing the DNA contained in salmon milt and reducing the burden on the marine environment in mind, we focused on DNA not as a gene but as a polymeric material, leading to the invention of a DNA paste that could be used in enzymatically degradable plastics and thin film applications in nanoelectronics. Specifically, dialdehyde is added to an aqueous solution of DNA salt, and the paste is then baked at a temperature above the melting point of DNA, resulting in crosslinking.SELECTED DRAWING: Figure 1

This paper provides a method for diagnosing and analyzing air-sea CO2 fluxes using a physical-biological coupled ocean model. This method achieves high-resolution simulation of the marine ecosystem in the China coastal area (118°E-132°E, 24°N-42°N), accurately simulating the basic structural characteristics of the regional ecosystem, particularly the marine carbon cycle. Based on this, a model post-processing method for air-sea CO2 fluxes has been developed. This automated processing of regional high-resolution physical-ecological coupled ocean simulation data includes the preparation of model input data, evaluation of model results, and visualization. The air-sea CO2 flux diagnostic analysis method is improved by incorporating ocean physical process analysis, analyzing the physical processes that cause changes in the air-sea CO2 flux from a holistic perspective.

This invention relates to the field of offshore pile foundation technology and discloses an offshore pile foundation structure, including a pile foundation body, and further comprising: an air source; a control system; a hollow main chamber, vertically arranged inside the pile foundation body, with its top connected to the air source; and high-pressure airbag compensation and stabilization components, with at least two sets of high-pressure airbag compensation and stabilization components distributed along the periphery of the pile foundation body and connected to the hollow main chamber. When the pile foundation body tilts, the air source is controlled by the ground control system to directionally inflate the high-pressure airbag compensation and stabilization components on the side away from the tilt direction, thereby generating a reverse thrust to correct the attitude of the pile foundation body. This method enhances the stability of the pile foundation without increasing the pile diameter or burial depth, reduces the construction cost of offshore pile foundations, and does not cause additional damage to the marine ecosystem.

This invention belongs to the field of coastal ecological restoration and marine aquaculture technology. Specifically, it is an artificial composite reef structure, including a base. The base is a trapezoidal frame structure with multiple frame columns inside. The base columns are fixedly connected to the surface of the base, and the base columns are fixedly connected to the sleeves. The sleeves are slidably connected to the telescopic columns, and the telescopic columns are threadedly connected to the surface of the telescopic columns. The other end of the telescopic columns passes through the sleeves and the base columns, making a slidable connection. By combining the frame-type base with upwelling reefs and bird-standing stakes, a two- or three-layer artificial composite reef structure is formed, creating a multifunctional marine biological reef environment. This overcomes the problems of the single function and limited environment of ordinary biological reefs. It not only has a wider range of applicability, but also organically combines the two- or three-layer structure to create a multifunctional marine habitat, forming a three-in-one marine ecosystem integrating sea, land, and air.

To provide a nutrient supply management system capable of maximizing the amount of carbon dioxide absorbed and stored in the atmosphere by both blue and green carbon.SOLUTION: The nutrient supply management system includes an arithmetic unit that executes calculations related to nutrient salt supply management for marine and terrestrial ecosystems. The arithmetic unit includes a supplyable nutrient salt amount estimation unit that calculates the amount of supplyable nutrient salt based on the emissions of nutrient salts from point and non-point sources in the target area. The arithmetic unit also includes a decarbonization promotion effect evaluation unit that evaluates the effect of marine and terrestrial ecosystems on the supply of nutrient salts. The arithmetic unit also includes a nutrient salt proper distribution unit that sets allocations of nutrient salt supply to marine and terrestrial ecosystems based on the effect of promoting decarbonization.SELECTED DRAWING: Figure 1

The present application relates to the field of environmental monitoring, and more particularly to a marine ecological environment multi-source monitoring and early warning method based on digital twinning, comprising the following steps: forming a mapping of physical sensing devices, virtual twin nodes and spatial grid units; predicting the evolution results of the phase field at multiple future time steps to obtain a key element prediction dataset; performing cluster-by-cluster simulation through clustering of the obtained ecological anomaly event cluster set and all anomaly feature lists included in each event cluster, and completing monitoring and early warning according to the simulation results. The present application defines biological elements and non-biological elements in the marine ecological system as phase field variables in a unified grid-by-grid manner, and introduces an influence term of biological activity into the source-sink term of non-biological phase field variables, thereby achieving deep two-way coupling of biological processes and environmental processes. A prediction control objective function is referenced to real-time monitoring data, and the key parameters of the phase field evolution model are dynamically adjusted by minimizing the mean square error between the predicted value and the real-time monitoring value.

This application relates to the field of marine ecological technologies, particularly to a construction method of marine ecological multi-agents and its interaction system. Among them, the construction method includes: a step of constructing a marine ecological large model, constructing a fine-tuning data set, and training a marine ecological large model based on the fine-tuning data set; a step of constructing a parallel application module, constructing a domain knowledge base, marine ecological multi-agents, and building a multi-modal large model, deploying the domain knowledge base, marine ecological multi-agents, multi-modal large model of the parallel application module and the marine ecological large model on a GPU server, where the marine ecological large model is used to parse user requests and distribute them to the parallel application module, triggering the parallel application module to generate response results and feedback them to the marine ecological large model for semantic integration and then output. Through this application, the intelligent level in the field of marine ecology is improved, the prediction ability of the model is enhanced, and the prediction results are made more accurate and reliable.

The present invention discloses a three-dimensional monitoring device for artificial reefs, which relates to the field of marine ecosystems. The device comprises a protective cover and a suspension assembly. Multiple suspension assemblies are arranged around the outer side of the lower layer of the protective cover. The protective cover comprises an outer shell and an inner shell, both of which are made of transparent materials. Multiple sealing assemblies are provided between the outer and inner shells. A breeding net surrounds the bottom of the inner shell, and a monitoring device is installed on the bottom of the inner shell. The present invention aims to provide a three-dimensional monitoring device for artificial reefs that has a good clustering effect, facilitates observation, and protects the living environment.

The application discloses an assembled tower type artificial fish reef and belongs to the technical field of artificial fish reefs. The assembled tower type artificial fish reef comprises a base, a cylindrical side plate fixed to the top surface of the base, a support column, the bottom end of the support column being detachably connected to the center of the base, the top surface being higher than the top surface of the cylindrical side plate, a plurality of support arms being fixed to the outside of the support column and the cylindrical side plate in a radial and circumferential manner, the plurality of support arms being arranged in a staggered manner, the end of each support arm being fixedly connected to a mounting ring, a transplant cup being detachably connected to the mounting ring, and a top plate being detachably connected to the top end of the support column. The application has good space utilization, provides space for the growth and reproduction of corals, can provide larger hiding space for fish, realizes the aggregation of fish, and thus enhances the diversity and productivity of the marine ecosystem. Moreover, the detachable structure of the assembled type is convenient for installation and disassembly, can be adjusted in height according to needs, and has better adaptability.

The present invention provides a multi-level trophic level marine ecosystem simulation device and simulation method, which belongs to the field of marine ecological simulation technology. The device can simulate different marine environments such as coastal, shallow sea, lagoon, hydrothermal vent, etc. by controlling equipment parameters. The method simulates the multi-level biological nutritional structure in different ecosystems by configuring the biological species and quantity of different producers, consumers and decomposers, and combines the environment and organisms to simulate the ecosystem, restore the actual situation in the field to the greatest extent, and realize comprehensive simulation of the ecosystem; at the same time, the cooperation of various devices such as water replenishment, temperature control, circulation, light control, and monitoring can maintain the stability of the ecosystem for a long time, providing stable simulation experimental conditions for quantitative research on marine ecology such as the interaction between organisms and the environment, and also providing experimental method support for achieving carbon neutrality and biodiversity protection.

The present invention discloses a deep-sea mining head that uses vortex shedding to create an upwelling field. The head comprises a mining hood, a front deflector, a rear deflector, a curvature plate, a jet device, and a vortex generating mechanism. The mining hood is a shell with an open bottom, and the front and rear deflectors are positioned relative to each other on the front and rear sides of the hood. The curvature plate is mounted on the top wall of the mining hood and cooperates with the front and rear deflectors to form a flushing and mining chamber. A water supply chamber is formed between the front deflector and the mining hood, and the water supply chamber communicates with the flushing and mining chamber. A suction pipe is positioned above and behind the mining hood, and the vortex generating mechanism comprises a plurality of piles arranged in a transversely spaced sequence. The jet device comprises a water supply pipe assembly, an angle adjustment mechanism, and two sets of jet nozzles, one mounted on the front deflector and the other on the rear deflector. The present invention uses jets to flush seabed mineral nodules, exfoliating them and carrying them backward, making them easier to remove and lift, thereby improving mining efficiency and reducing interference with the marine ecosystem.

The present invention provides a method for estimating the productivity of global land and sea ecosystems based on SIF and light response, including: Step 1, fusing satellite remote sensing image data and meteorological data and performing consistency verification; Step 2, at each pixel point, substituting the input remote sensing data into the mechanical light response (MLR) theoretical formula to estimate the gross primary productivity (GPP), calculating the carbon dioxide partial pressure in the chloroplast stroma, the carbon dioxide compensation point of the chloroplast, the open ratio of the reaction center of the photosynthetic system, the energy ratio of plant heat dissipation and plant-emitted fluorescence, and the escape rate; Step 3, obtaining the distributions of C3 plants and C4 plants using vegetation type distribution data; calculating the gross primary productivity of C3 plants and C4 plants respectively. This solution simplifies the required quantity of vegetation parameters during the inversion process, greatly reduces the difficulty of parameter acquisition while ensuring the inversion accuracy, and at the same time significantly reduces the result uncertainty caused by parameters.

The application discloses a wave energy collection device based on a magnetic spring-leaf spring type bistable mechanism, comprising a bistable energy trapping device (1), a motion conversion device (2), an electromagnetic power generation device (3) and a power management module, wherein the bistable energy trapping device is provided with a magnetic spring-leaf spring type bistable mechanism, and through nonlinear interaction between magnets, efficient capture of mechanical energy under low-frequency waves is realized; the motion conversion device (2) is designed through a gear transmission system and a one-way bearing, so that one-way rotation of an output shaft is ensured; the electromagnetic power generation device (3) utilizes the relative rotation principle of a magnet flywheel and a coil, the magnetic flux of the coil changes, so that a voltage is generated, mechanical energy captured by the bistable energy trapping device (1) is converted into electric energy, and simultaneously, the power management module is responsible for rectification, storage and distribution of the electric energy, so that stable power supply can be obtained under any condition. The system has wide application prospects and important economic value in the fields of marine ecosystem monitoring, climate change research and marine pollution monitoring.

The invention discloses a system and method for evaluating the influence of a specific human activity type on a marine ecosystem, and relates to the technical field of ecosystem evaluation, and the method achieves the precise evaluation of the influence of water resource development on the marine ecosystem through the close cooperation of all steps: in the aspect of data processing, integrating multi-dimensional information, and improving the accuracy of data processing. The method covers characteristic parameters of water resource development, basic state data of a marine ecosystem and the like, meanwhile, a multi-level evaluation index system is constructed, comprehensiveness of evaluation is ensured, and in the evaluation process, various modes of historical data recording, field sampling monitoring and the like are combined, so that the evaluation accuracy is improved. The internal association rule between the water resource development characteristic parameters and the marine ecological system state is deeply considered, the evaluation matrix is continuously adjusted by means of a dynamic correction mechanism, and marine ecological changes under different development intensities are deduced through a multi-scene simulation platform. And a comprehensive and targeted basis can be provided for decisions related to marine ecological protection.

The present invention relates to a method for obtaining collagen peptides from sea stars, elastic liposomes containing collagen peptides from sea stars, and cosmetic compositions containing the same. According to the present invention, since collagen peptides having excellent skin absorbability, antioxidant and wrinkle improvement activity are prepared using sea stars, which cause adverse effects on marine ecosystems and are difficult to handle, the existing animal collagen can be replaced, and collagen having high extraction efficiency can be provided. In addition, since a method for loading collagen peptides into elastic liposomes is provided, the limitations of low skin absorbability of animal collagen and marine collagen can be overcome, the transdermal absorption rate can be greatly improved, and using the same, a cosmetic composition effective against oxidation and skin wrinkle improvement can be provided.

The present invention belongs to the technical field of ocean data analysis, and relates to a visualization system based on the analysis of sea ice concentration forecast results. It includes ocean element data acquisition and storage, data processing, visualization design, data analysis, visualization display and interaction, storage of visualization charts, system optimization and maintenance. The present invention supports a marine element visualization system that can process multiple types of data including sea surface temperature, salinity, wind field, and density, is easy to use, highly customizable, and has good visualization effects, so as to help users better understand and perceive marine elements and their change trends, and provide strong support for the research of climate change and marine ecosystems.

A processing device according to the present invention includes an acquisition unit 11 that acquires a plurality of pieces of observation data including pH and photosynthesis amount, and a generation unit 12 that calculates a pH-dependent function indicating a relation between the pH and the photosynthesis amount using the plurality of pieces of observation data, and generates a marine ecosystem model incorporating the pH-dependent function.

The invention discloses an estuary region fish egg and larva habitat quantitative evaluation method based on a Gini index, and the method comprises the following operation steps: (1) sampling environment and biological data, and obtaining a fixed impact factor of a target research sea area; (2) data standardization: standardizing the fish catch per unit fishing effort; (3) calculating a fish suitability index, and carrying out normalization calculation on the suitability index; (4) environment factor heterogeneity quantitative evaluation: performing sea area environment factor heterogeneity quantitative evaluation; (5) quantitative evaluation of a habitat index: a habitat quantitative evaluation model based on a heterogeneity index; (6) screening key environmental influence factors, verifying the influence of an environmental factor combination on the habitat through an additive model, and screening significant factors; and outputting a habitat distribution map, and identifying optimal habitat areas of different species. According to the method, the model precision and ecological benefits are improved, the method can be expanded to other marine ecosystems with relatively high heterogeneity from an estuary region, and adaptive management under climate change is supported.

The invention provides copper-free self-polishing antifouling paint based on a composite antifouling agent and a preparation method of the copper-free self-polishing antifouling paint. The copper-free self-polishing antifouling paint comprises the following components in parts by weight: 20-40 parts of main chain degradation type self-polishing resin, 10-25 parts of an antifouling agent, 1-3 parts of nano silicon dioxide, 3-7 parts of zinc oxide, 3-10 parts of other fillers, 1-3 parts of an auxiliary agent and 10-20 parts of a solvent, the main chain degradation type self-polishing resin is a main chain degradation type polyacrylic resin system; the copper-free self-polishing antifouling paint disclosed by the invention is environment-friendly and pollution-free, avoids negative effects on a marine ecosystem, can give consideration to an antifouling effect and mechanical properties, can widely inhibit adhesion of various marine organisms, improves the mechanical properties such as scratch resistance and wear resistance of a coating, and has a good application prospect. And the service life of the coating can be prolonged.

The invention relates to a climate change response evaluation system and method based on marine environment parameters, an acquisition device is arranged to acquire marine environment parameters and climate index data of a working sea area, and the marine environment parameters include sea surface temperature, chlorophyll-a concentration, sea level abnormal value and wind stress rotation; the climate index data comprises pacific ocean intergenerational oscillation, Atlantic ocean intergenerational oscillation and a dipole modal index, under the combined processing of the data processing device and the prediction device, multi-parameter coupling monitoring and climate oscillation phenomenon integration can be realized, the dynamic change of the marine ecosystem can be comprehensively evaluated, and the prediction accuracy of the marine ecosystem is improved. And the limitation of single parameter or single climatic factor analysis is avoided.