43 results about "Marine ecosystem" patented technology

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 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 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.

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.

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 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 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.

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 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 the technical field of marine ecology monitoring, in particular to a marine ecology dynamic prediction method and system based on multi-modal remote sensing and a space-time atlas. The method comprises the following steps: performing multi-modal remote sensing feature deep fusion according to acquired remote sensing image data, wherein the multi-modal remote sensing feature deep fusion comprises multi-modal feature graph extraction and spatial 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 coupling spatial diffusion and time inertia, wherein the construction comprises multi-order spatial diffusion field modeling and ecological state transition unit construction; and performing future-oriented and uncertain trajectory prediction and causal attribution based on depth Taylor decomposition by using depth spatio-temporal representation generated by STEP-Net. According to the method, a brand-new technical framework integrating refined fusion, mechanical reasoning and interpretable prediction is constructed around the requirements of accurate prediction and scientific early warning of dynamic evolution of a marine ecosystem.

The mechanical wave energy converter with active floats represents an innovative solution for harnessing marine energy by optimizing an efficient operating mechanism. With a concrete base and adjustable legs, it ensures stability in various terrain conditions. The housing offers underwater servicing capabilities through a mobile tunnel with waterproof connections, while the active float utilizes solar energy to power the pump and includes a submersion system, ensuring the converter's safety during extreme weather conditions, such as tsunamis. Equipped with simple mechanical components for converting kinetic energy into rotational energy, the converter allows for commercialization at a competitive price. The combination of return and accumulative springs optimizes functionality, enabling a stable number of rotations necessary for electricity production. This system contributes to more efficient energy conversion while simultaneously preserving the marine ecosystem.

The invention relates to the technical field of seawater pollution monitoring, and particularly discloses a seawater pollution monitoring system and method based on an ocean remote sensing image. And through artificial intelligence and a deep learning technology, full expression of hidden feature distribution information about pollutants in the marine remote sensing image is carried out, and classification processing is carried out based on the full expression so as to obtain a classification result used for representing a type label of a pollution source. The marine pollution condition can be evaluated and the pollution source type can be detected based on the marine remote sensing image, so that the stability of a marine ecosystem is maintained.

The present application belongs to the field of environmental pollution and environmental chemistry, and particularly relates to a model and method for simulating the marine environmental behavior and food web migration of typical persistent organic pollutants. The model comprises atmosphere, seawater (including suspended particles), sediment (including pore water), and a food web unit composed of multi-trophic level organisms (including plankton, benthos and fish of different diets). The present application integrates biological energy science and input parameters of aquaculture activities (such as feed delivery, residual feed loss, and fecal excretion), and constructs a multi-medium non-steady-state fate model of the aquaculture marine ecosystem. The model can accurately quantify the cross-medium flux of organic pollutants (such as PFAS, PCBs, DDTs, pesticides, etc.) between the "aquaculture source-environment-organism", realizes the quantitative tracing of the environmental contribution rate of aquaculture activities, and can predict the temporal and spatial distribution and enrichment level of pollutants in wild fish, thereby providing a scientific basis for the ecological risk management of the marine aquaculture area and the overall marine environment.

This invention provides an indicator and assessment method for the pollution level of seagrass bed sediments. Utilizing CCA and RDA technologies, Kazachstania bacteria are used as an indicator of seagrass bed sediment pollution levels. This is a more detailed and sensitive assessment method. Furthermore, the selection of Kazachstania bacteria as the indicator organism may be related to its sensitivity to specific pollutants, providing a new perspective and method for the monitoring and protection of seagrass bed ecosystems. This invention has broad application prospects, applicable to marine ecological environment monitoring, pollutant emission control, and seagrass bed ecosystem protection, contributing to improving the health and sustainable development of marine ecosystems.

A prediction device 1 comprises: a generation unit 22 that refers to priority data 11 associating each of parameters used in a prediction model for predicting the concentration of each element of a marine ecosystem model with a high priority or a low priority, and generates a plurality of high priority sets 12 including any of a plurality of values identified for each parameter of the high priority; a prediction unit 23 that inputs each of a plurality of parameter sets including any of the plurality of high priority sets 12 and a predetermined value of each parameter of the low priority to the prediction model, and outputs a plurality of result sets 15 including a value predicted for the concentration of each element; and a selection unit 24 that selects, from among the plurality of result sets, the high priority set 12 used upon predicting a result set having a small difference from an actual measured value of the concentration of each element.

The invention discloses a PET (Polyethylene Terephthalate) pretreatment method and application thereof in promoting bacterial degradation. The mesorhizobium sp. SCSIO 43976 is preserved in the Guangdong Microbial Culture Collection Center on October 24, 2025, and the preservation number of the mesorhizobium sp. SCSIO 43976 is GDMCC No: 67156. Sorhizobium sp. SCSIO 43976 in bacteria which are derived from a marine ecosystem and have high-efficiency PET degradation capability, a set of high-temperature melting-low-temperature cold quenching pretreatment method which is matched with the Sorhizobium sp. SCSIO 43976 and can effectively reduce the crystallization degree of PET, and a synergistic degradation system formed by the Sorhizobium sp. SCSIO 43976 and the Sorhizobium sp. SCSIO 43976 are used for finally realizing the purpose of degrading the waste PET by using the Sorhizobium sp. SCSIO 43976. Particularly, the high-efficiency biodegradation in the ocean or salt-containing environment is realized. The pretreatment-strain synergistic technology provided by the invention provides an efficient and green solution for pollution treatment of the waste PET in the ocean or high-salt environment, and has important application potential in a biotechnology path of plastic cyclic regeneration.

An object of a system according to an embodiment is to monitor a marine ecosystem, detect an illegal action, and provide an education program.SOLUTION: A system includes a monitoring unit, a detection unit, an analysis unit, and an education unit. The monitoring unit monitors a marine ecosystem. The detection unit detects an illegal act from the data monitored by the monitoring unit. The analysis unit analyzes the data detected by the detection unit. The education unit provides an education program based on the result obtained by the analysis unit.SELECTED DRAWING: Figure 1

The invention discloses a shortwave radiation parameterization method and device for a near-shore water body and electronic equipment, and relates to the technical field of water body monitoring. A proportion parameter of first wavelength light in short wave radiation, a proportion parameter of second wavelength light in short wave radiation, a parameter of the first wavelength light in a water body penetration process and a parameter of the second wavelength light in a water body penetration process are acquired, and a penetration parameter of the first wavelength light and a penetration parameter of the second wavelength light are determined by utilizing corresponding parameters; and then the penetration parameter of the first wavelength light and the penetration parameter of the second wavelength light are combined to obtain a short-wave radiation penetration parameter of the near-shore water body, so that the aim of parameterizing the short-wave radiation is fulfilled, and a solar short-wave radiation penetration process can be subsequently simulated according to the obtained short-wave radiation parameter. The method is used for optimizing analysis and research on the ocean thermal power process and the ocean ecosystem.

The invention discloses a combined artificial coral reef body suitable for a sandy base of a coral reef secondary marine ecosystem, belongs to the technical field of coral reef ecosystem restoration, and is widely applied to coral reef building and restoration of the sandy base. The artificial coral reef body is formed by combining three cylindrical single bodies of the same structure, the single bodies are connected in a matched mode through mortise and tenon joint structures, and a triangular pyramid shape is formed after the single bodies are combined. The cylindrical single bodies are formed by pouring reinforced concrete, the surfaces of the cylindrical single bodies are rough, and the planting platform is provided with a plurality of holes so that coral, algae and other organisms can be attached conveniently. Through the structural stability of the triangular pyramid shape, the firmness of mortise and tenon connection and the supporting effect of a reinforced concrete material, the strong stability characteristic on a sandy substrate is achieved, meanwhile, the biological attachment area is increased through the rough surface and pore design, the artificial coral reef foundation construction method is optimized, and the construction efficiency is improved. The method has a good application prospect in coral reef ecological protection.