144 results about "Coral reef" patented technology

The invention relates to a coastal wetland ecological restoration effect evaluation method and system, and belongs to the technical field of ecological monitoring and restoration. Aiming at the problems of static evaluation index lag, insufficient data fragmentation integration and lack of causal diagnosis mechanism in the prior art, multi-source time sequence ecological data are acquired by constructing a three-dimensional monitoring network consisting of satellite remote sensing, an unmanned aerial vehicle, an Internet of Things sensor and an underwater robot; a fusion data set is generated based on space-time alignment and tidal phase marking, dynamic evolution characteristics are extracted by using an LSTM network, and a spatial distribution difference chart of ecological parameters before and after restoration is generated in combination with a GAN; and furthermore, through hot area clustering and historical data association mining, a degradation driving factor is positioned, and an optimization suggestion is generated. The method breaks through the space-time limitation of a traditional evaluation method, remarkably improves the degradation diagnosis precision and the regulation and control efficiency of restoration engineering, and is suitable for various ecological restoration scenes such as estuary delta and coral reefs.

The invention relates to the technical field of marine surveying and mapping and submarine topography modeling, and discloses a submarine topography and landform construction method based on multi-source water depth data fusion, which comprises a multi-source data acquisition module, a data preprocessing module, a feature extraction module, a fusion algorithm matching module, a three-dimensional modeling module and an uncertainty evaluation module. A historical submarine topographic map is converted into grid data, namely, submarine topography is discretized into digital representation of regular grid units, water depths of other sources are converted into the grid data, the precision of the water depths of different sources is evaluated by adopting a superposition comparison method, and an error distribution model is established to reasonably correct and fuse the water depth data of various sources. The innovation of the method lies in that topographic feature parameters including the gradient, the curvature matrix and the bionic optimization algorithm are introduced, the defect that a single algorithm is preset in a traditional method is overcome, and the precision of coral reef and fault zone complex areas is improved.

The invention provides a coral reef remote sensing image multi-modal feature generation and restoration method and system, and relates to the technical field of remote sensing image restoration, and the method comprises the steps: obtaining coral reef image data based on a multi-source sensor, and carrying out the preprocessing; performing image morphological feature and spectral feature extraction on the preprocessed coral reef image data by using a convolutional neural network, and establishing a feature database; carrying out weighted fusion on the multi-source features based on a feature combination network, generating comprehensive feature expressions, and storing the comprehensive feature expressions into a feature database; the coral reef image to be restored is matched with the feature database, and guidance parameters are generated; and inputting the guidance parameters into the generative adversarial network, and performing pixel-level reconstruction on the missing region of the coral reef image to be restored. According to the method, a complete closed-loop system is constructed, multi-source information scheduling, pixel-level guide reconstruction and semantic feedback verification are covered, image information can be supplemented, ecological information can be reasonably reconstructed, and a high-quality data basis is provided for subsequent classification, monitoring and protection work.

The invention discloses an island reef shoreline remote sensing extraction method based on a double-branch network, and belongs to the technical field of island reef shoreline remote sensing extraction. Comprising the following steps: S1, acquiring an original satellite remote sensing image of a coral island reef, and cutting to obtain a reef remote sensing image; s2, a shoreline vector label is drawn in the island remote sensing image, and rasterization processing is carried out; s3, cutting the rasterized label and the research area image to obtain tile data; s4, dividing the tile data into a training set and a test set; s5, performing data enhancement on the training set tile data to obtain a processed image data set; and step S6, constructing an SDSPNet model based on the image data set. According to the method, the overall semantic expression ability of the broken shoreline and the lagoon face area is enhanced, and the problems of erroneous judgment of the broken shoreline of the coral island and fuzzy lagoon face boundary in an existing method are solved.

The invention discloses a self-cleaning device for a ballast water pipeline of a tropical scientific investigation ship, the self-cleaning device comprises the ballast water pipeline, a double-rod fixing device, rotation dampers, a screw rod and a rotary scraper, the screw rod is fixed and welded on the inner wall of the ballast water pipeline by the double-rod fixing device, the rotary scraper is fixed on the screw rod through thread engagement and limited by the rotation dampers on the two sides, and the rotary scraper is fixed on the ballast water pipeline. A silicon nitride ceramic shaft seal is arranged at the penetrating connector of the screw and the double-rod fixing device, the rotary scraper body is made of a metal alloy matrix, and the surface of the rotary scraper body is coated with an Al2O3-TiO2 coating. The invention further discloses a working principle of the self-cleaning device for the ballast water pipeline of the tropical scientific investigation ship. Aiming at the special requirements of the operation area of the tropical scientific investigation ship, the rotary scraper is driven by the kinetic energy of ballast water flow, a quickly growing biological membrane is efficiently removed through the centrifugal stripping and shearing stripping effects of the fluid, pollution of chemical cleaning to sensitive ecology such as coral reefs is avoided, and the pipeline blockage risk and the maintenance cost are reduced.

The invention discloses an artificial habitat cold water supply scheme engineering evaluation method and system, and relates to the technical field of coral cultivation. According to the scheme, a Pareto optimal solution set is solved by adopting a multi-objective optimization algorithm, and the blindness and subjectivity of artificial experience selection are avoided by introducing environmental parameters to dynamically adjust the weights of time and space target values, so that a target cold water supply scheme can adapt to the requirements of different coral culture areas, and the coral culture efficiency is improved. And the final implementation effect of the coral reef artificial habitat cold water supply project and the coral protection efficiency are improved.

The invention discloses a coral reef geological cast-in-situ bored pile side friction calculation method which comprises the following steps: S1, carrying out on-site pouring construction, collecting a slurry-containing rock core sample, and determining an effective radius; s2, determining the interface friction angle of concrete-coral reef rock of each level of stratum and the cementation shear strength of a slurry-containing rock core; s3, solving a slurry occlusion area coefficient according to the effective radius, integrating the interface friction force and the cementation additional frictional resistance, and establishing a side frictional resistance calculation formula; according to the method, in combination with an on-site pouring test, the infiltration-cementation occlusion effect of cement paste in coral reef rock is quantified, additional friction caused by the cementation effect is synthesized, a side friction calculation formula of a traditional pouring pile is corrected, and the problem that in traditional design calculation, the coral reef stratum bearing capacity is remarkably underestimated is solved; the construction design of the cast-in-place pile is reliably and accurately guided; all tests can be completed within 48 hours on site, and the offshore exploration cost can be remarkably reduced.

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 relates to the technical field of image recognition, and discloses a coral reef mask automatic extraction method and system based on artificial intelligence. The method comprises the following steps: collecting a multi-source coral reef remote sensing image, and generating a standardized data set through environment adaptive preprocessing; constructing a multi-scale feature pyramid encoder to extract five layers of feature information; an environment perception module is established to calculate an environment complexity vector and re-calibrate a feature weight to form adaptive feature representation; setting a multi-level fusion decoder to execute progressive up-sampling and cross-scale fusion, and generating a probability distribution diagram; and outputting a coral reef mask result by applying an adaptive threshold segmentation algorithm in combination with morphological post-processing. The coral reef mask extraction method and device solve the problems that an existing coral reef mask extraction technology is insufficient in multi-scale feature fusion and insufficient in environment adaptive capacity in a complex marine environment, and improve the coral reef mask extraction precision and environment adaptability.

The present disclosure relates to shaped cementitious compositions that comprise a substrate for aquatic flora and / or fauna attachment; methods for providing a substrate for aquatic flora and / or fauna attachment comprising depositing a shaped cementitious composition into a body of water; and methods for making a shaped cementitious composition. The shaped cementitious composition is formed from a pourable cementitious mixture comprising: (a) a pozzolan comprising a natural pozzolan and / or a manmade pozzolan; (b) MgO and / or Mg(OH)2; (c) an aqueous solution comprising one or more accelerants; and (d) at least one aggregate. In some cases, the MgO and / or Mg(OH)2 of (b) is included in the aqueous solution of (c). And, in various cases, the manmade pozzolan comprises a slag.

The invention discloses an artificial coral reef with a frame structure capable of being assembled, which comprises a central connecting disc, a plurality of layers of connecting rods, a top-layer frame, a middle-layer frame, a bottom-layer frame and a bottom anchoring system which are connected through standardized interfaces to form a stable three-dimensional frame. The coral reef aims at solving the technical problems that an existing artificial coral reef is poor in material durability, inconvenient to transport and insufficient in ecological function, a center connecting disc serves as a core connecting part and is of a disc-shaped design, and a plurality of standardized connecting holes are formed in the disc face and used for fixing rod pieces of all layers, so that the stability and expandability of the whole structure are guaranteed; the center connecting disc is connected with the top-layer rod piece in an inserted mode through the prefabricated hole site, and rapid assembly is achieved. According to the method, material durability and environment compatibility are both considered, transportation and deployment bottlenecks are broken through through modular and lightweight design, the ecological function is maximized by means of the structure optimization and surface treatment technology, and a low-cost, low-maintenance and sustainable solution is provided for ocean coral reef repair.

The application discloses a pile-forming process of a drainage rigid pile in a drainage anti-liquefaction coral sand foundation, which comprises a base forming box, a base pile pouring device and a drainage rigid pile forming device. The base forming box, the base pile pouring device and the drainage rigid pile forming device are arranged. The base pile pouring device is provided with a connecting and fixing mechanism at the bottom of the outer side. The connecting and fixing mechanism is quickly connected and fixed with the base forming box. The base pile pouring device is provided with a water pumping pipe assembly inside to pump water in the base forming box. The pouring pipe of the base pile pouring device is used to pour concrete into the base forming box, so that the base forming box forms a concrete base. The drainage rigid pile forming device is connected with the base forming box of the poured and formed concrete base. The drainage rigid pile is poured and formed in the drainage rigid pile forming device. The pouring convenience of the drainage rigid pile is improved. The stability of the base pile of the drainage rigid pile is improved. The strength of the drainage rigid pile is improved.

The invention relates to the field of damage assessment, in particular to an intelligent auxiliary system and method for coral reef damage assessment, and the system comprises an image collection module which is used for collecting coral reef images through an underwater camera; the recognition module comprises a trained convolutional neural network, and the convolutional neural network is used for inputting the coral reef image and outputting the proportion, coverage rate, area and death rate of each coral reef variety; the density detection module is used for measuring the density of the collected coral reef samples, identifying the coral reef variety based on the identification module during measurement, and calculating the average density of a plurality of samples under the fixed coral reef variety; and the estimation module is used for inputting the damaged thickness evaluated on site, calculating the weight of the damaged coral reef based on the area and density of the coral reef, calculating the coral value of each variety based on a formula, and accumulating the coral values of each variety to obtain an economic loss value for evaluating the damage of the coral reef. By adopting the technical scheme of the invention, the manual work intensity and professional requirements of personnel in the evaluation process can be reduced.

The application discloses an acoustic coral reef ecosystem repairing method and related equipment, and the method comprises the following steps: matching a target sub-region from a healthy reference area; collecting water acoustic data of the target sub-region for frame processing, noise reduction and biological sound enhancement processing to obtain third water acoustic data; screening target water acoustic data from the third water acoustic data through preset spectrum characteristics; playing the target water acoustic data in a tentative repairing area, regularly acquiring real-time ecological data of the tentative repairing area; quantifying the real-time ecological data of each time node according to a time sequence to obtain a repairing effect of the tentative repairing area; when the repairing effect does not satisfy a preset condition, returning to execute the step of collecting the water acoustic data of the target sub-region until the repairing effect satisfies the preset condition. The application improves the data accuracy through the processing of acoustic data, and then optimizes the sound playing through a feedback cycle, improves the overall repairing success rate, and can be widely applied to the technical field of acoustic data processing.

The invention discloses a blocky coral breeding and transplanting combined device and method, and relates to the technical field of artificial coral reefs, and the blocky coral breeding and transplanting combined device comprises a base support with a through hole and a bearing surface; the fixing piece is provided with a plurality of mounting holes and connecting holes; the block-shaped coral is provided with a round hole; the connecting piece is provided with a protruding part, and the protruding part penetrates through the round hole to fix or press the block-shaped coral on the base support and extends to the connecting hole to fix the base support on one face or two faces of the fixing piece. Modular design is adopted, all parts can be flexibly combined so as to improve the operation efficiency, and large-scale carrying, transportation and production are facilitated. The operation efficiency of submarine divers can be effectively improved, and meanwhile the survival rate of coral transplantation and transportation in different places is increased. In addition, the problem that blocky coral varieties cannot be transplanted through a traditional transplanting method is solved, and the genetic diversity of coral repair is greatly improved.

The invention discloses an ecological living stone culture system and a method thereof, belongs to the field of aquarium engineering, and solves the problems of low seabed bacterium culture efficiency, non-uniform flora attachment, breeding of hybrid algae and poor ecological stability of the existing artificial living stone. The system comprises a base body, an internal artificial stone culture area, peripheral and top ecological pretreatment areas and a bottom biological sheltering area. The culture area is provided with a through water channel facing ocean current, independent compartments with grating bulkheads are arranged on the two sides of the culture area, a drainage plate and knocking holes are matched, the pretreatment area is provided with a seaweed culture base and a coral attachment plate, and the sheltering area is provided with stacked pipe fittings. During culture, firstly transplanting seaweed for ecological pretreatment, then putting algae-eating snails and hosting crabs, putting the artificial stones into the compartments for culture, and taking out the artificial stones until more than half of the surfaces of the artificial stones are covered with calcified algae. The device can realize uniform water supply, inhibit miscellaneous algae, shorten the cultivation period, adapt to submarine topography, facilitate large-scale cultivation and is suitable for coral reef restoration and aquarium ecological construction.

The utility model relates to the technical field of ocean seawater detectors, and discloses a fixed seawater detector for a shallow sea area, which comprises a main body and a floating ball connected to the outer wall of the main body, and the bottom end of the main body is provided with a protective dismounting mechanism and an auxiliary filtering mechanism. The handle is pulled upwards to drive the positioning column to move and break away from the inner wall of the clamping positioning hole, clamping block limiting is relieved, then the connecting frame is rotated to drive the clamping block to move to the opening of the inserting groove, and then the connecting frame is pulled downwards to drive the outer wall of the clamping block to break away from the inner wall of the inserting groove, so that disassembly is completed. During mounting, the steps are reversely operated, so that the outer walls of the clamping blocks move relative to the positioning columns until clamping holes in the top ends of the clamping blocks move to the positions below the positioning columns, the clamping columns can be clamped to the inner walls of the positioning holes through springback of springs, and mounting is completed; the detector is prevented from colliding with coral reefs when the detector moves downwards along with sea waves to cause damage and influence on subsequent detection data.

The invention discloses a coral reef ecosystem community carbon sequestration evaluation method based on a Lagrange drift trajectory, and belongs to the field of marine ecological environment monitoring and carbon cycle research. The device comprises a drift tracking module, a CTD module, a hydrochemical parameter acquisition module, a depth instrument, a waterproof system and a buoyancy system, all the modules are integrated in the waterproof system, the buoyancy system is connected with the exterior of the waterproof system, and the modules are in signal connection to realize data transmission; according to the method, a Lagrange drift path and a time interval are recorded through the drift tracking module, the CTD module collects the temperature and salinity of a water body, the hydrochemical parameter collection module obtains total alkalinity and dissolved inorganic carbon and calculates the variable quantity of the total alkalinity and the dissolved inorganic carbon, and the depth instrument monitors the average water depth; the COexchange flux is calculated in combination with meteorological data, and then the net calcification rate and the net photosynthesis rate are obtained through a preset formula.

The invention discloses a coral reef area multi-source environment DNA collection and analysis method. The method comprises the following steps: 1) collecting environmental samples from different sources in a coral reef area, wherein the environmental samples comprise surface water, near-bottom water, a large water body, pore water, sediments and the like; the method comprises the following steps: adding internal reference DNA (danio rerio DNA) into an environmental sample, establishing a positive control sample containing the internal reference DNA (danio rerio DNA) and external reference DNA (oryzias latipes DNA), and extracting DNA in the environmental sample, the positive control sample and the negative control sample by using an improved environmental DNA extraction method; and 2) performing homogenization treatment on data generated by high-throughput sequencing of the DNA sample extracted in the step 1) to realize parallel comparison or combined analysis of different samples. Through parallel comparison and combined analysis of environment DNAs from different sources, species diversity and distribution conditions of coral reefs are reflected more comprehensively.

The application provides an island reef coral filler compaction pile and a construction method thereof. The construction method of the island reef coral filler compaction pile comprises the following steps: (1) using a weight to hammer the ground soil body to form a cylindrical hole; (2) first filling mixed sand and stone into the hole, the mixed sand and stone is composed of coral reef gravel and calcareous sand, then pouring a microbial curing liquid and a composite additive, the microbial curing liquid is composed of a composite bacterial liquid and seawater, the composite bacterial liquid is prepared from bacillus pasteurii, bacillus cereus and bacillus mucilaginosus, and the composite additive is composed of hydroxyl citronellal and eucalyptol; then using the weight to ram the filler; (3) repeating step (2) to ram and fill the pile hole to the ground to form the compaction pile. The construction method can significantly improve the quality of the compaction pile, significantly improve the single pile bearing capacity, and effectively reduce the relative usage amount of the microbial curing liquid.

Climate change caused by global warming is one of humanity's major problems and needs to be solved immediately. Humanity does not have a CO2 problem, but a waste heat problem. According to the literature, the thermal energy released into the atmosphere by anthropogenic waste heat is predominantly (90%) absorbed by surface waters and transferred to deep waters. However, according to the literature, this has been decreasing since around 1970, leading to increasing global warming / climate change. This invention / device supports heat dissipation and sustainably reduces global warming. The device works regardless of the cause of global warming. The device is particularly suitable in hurricane and coral areas, for example. The resulting costs can be allocated to the individual states according to the waste heat.

The application discloses a kind of coral reef area benthic biomass evaluation method, belong to marine ecological monitoring and evaluation technical field.The present application includes reef sample collection, reef coverage determination, reef effective attachment area measurement, benthic separation and collection, biological sample moisture treatment and weight weighing and six steps of biomass evaluation calculation.The present application is complete reef sample by stratified random sampling, and reef coverage is obtained using sample belt image interpretation, and effective attachment area is determined by measuring the length, width and height parameters of reef or three-dimensional laser point cloud, and the wet weight of species is weighed after separation, classification and standardization dehydration, and the benthic species biomass per unit area is calculated by combining reef coverage, species wet weight and effective attachment area, and the total benthic biomass per unit area and benthic species density can be further calculated.The present application is mainly used for benthic biomass evaluation in different habitat types of coral reef area, and can improve the accuracy and repeatability of evaluation results.

The invention discloses an unmanned ship system for coral reef monitoring, and relates to the technical field of coral reef monitoring unmanned ships, the system comprises a ship body structure, a power system, a control system, a protection system, an observation device and a ground control station; the hull structure adopts a detachable modular design and is used for bearing the power system, the control system, the protection system and the observation equipment and executing a coral reef monitoring task; the power system is used for providing sailing power and electric energy for the unmanned ship; the control system is used for realizing autonomous navigation, path planning and obstacle avoidance of the unmanned ship; the protection system is used for monitoring the operation state of each system of the unmanned ship and realizing fault early warning and emergency disposal; the observation equipment is used for collecting coral reef monitoring data; and the ground control station is used for communicating with the unmanned ship to realize remote control and data interaction. The unmanned ship system is suitable for a coral reef monitoring scene, and the coral reef monitoring efficiency and precision can be improved.

The invention relates to the technical field of ocean, in particular to an angiogenic peptide cAMP-137 derived from coral microorganisms and application of the angiogenic peptide cAMP-137. In the invention, the novel angiogenic peptide cAMP-137 is screened and identified from metagenome sequencing data of a coral reef sample of an island in Pacific Ocean for the first time. The angiogenic peptide can significantly inhibit hematoma expansion and stabilize cerebral microvessels in a 10-100 nM therapeutic window, fills the technical blank of existing polypeptide drugs, and provides a new solution for spontaneous and drug-induced cerebral hemorrhage.

The application discloses a hexagonal prism type artificial fish reef, and relates to the technical field of artificial fish reefs, which comprises a glass fiber reinforced plastic plate, a plurality of coral culture structures are arranged on the glass fiber reinforced plastic plate, a concrete frame is arranged on the bottom surface of the glass fiber reinforced plastic plate, a concrete bottom plate is fixedly connected to the bottom of the concrete frame, a series connection structure is arranged between the glass fiber reinforced plastic plate and the concrete bottom plate, and the series connection structure is used for attracting fish schools. The application not only has the fish-attracting effect of the artificial fish reef, but also has the functions of seaweed cultivation and coral reef restoration, efficiently utilizes the vertical space of the sea, and has a positive effect on tropical near-shore resource recovery.

The present disclosure discloses a dredged soil utilization-based artificial reef structure and a processing method thereof, and belongs to the technical field of artificial reefs. The dredged soil utilization-based artificial reef structure includes a dredged soil artificial reef structure, and the dredged soil artificial reef structure includes a first dredged soil reef, a second dredged soil reef, and a third dredged soil reef; annular sliding chutes are formed in eccentric positions of upper surfaces of the first dredged soil reef and the second dredged soil reef; annular metal meshes are movably connected into the two annular sliding chutes; and a heavy block, a first floating block, and a second floating block are respectively embedded into placement slots of the three reefs in sequence. The artificial reef structure is processed by using dredged soil. Dredged soil resources are from the ocean and then are returned to ocean restoration, which satisfies the concept of resource recycling. Furthermore, a surface of dredged soil has multiple grooves, which is convenient for attachment of corals to achieve the purpose of ecological restoration of coral reefs, so that habitats, breeding places, and foraging places are provided for aquatic organisms such as fish to escape from natural enemies, playing an important role in the stability of an ecological system.

The present application relates to the field of marine technology, and particularly relates to a coral microbial source pro-angiogenic peptide cAMP-137 and application thereof.In the present application, a novel pro-angiogenic peptide cAMP-137 is screened and identified for the first time from the metagenomic sequencing data of a sample of Pacific island coral reef.The pro-angiogenic peptide can significantly inhibit hematoma expansion and stabilize cerebral microvessels in a treatment window of 10-100 nM, filling the technical blank of existing polypeptide drugs and providing a new solution for spontaneous and drug-induced cerebral hemorrhage.

The application discloses a method for calculating side friction of a coral reef geological bored filling pile, and comprises the following steps: S1, field filling construction, collecting slurry-containing rock core samples, and determining an effective radius; S2, determining the interface friction angle of concrete-coral reef rock of each stratum and the cementation shear strength of the slurry-containing rock core; S3, according to the effective radius, the slurry occlusion area coefficient is obtained, the interface friction and the cementation additional friction are comprehensively considered, and a side friction calculation formula is established; the method combines the field filling test, quantifies the penetration-cementation occlusion effect of the cement slurry in the coral reef rock, comprehensively considers the additional friction caused by the cementation effect, modifies the side friction calculation formula of the traditional filling pile, solves the problem that the bearing capacity of the coral reef stratum is significantly underestimated in the traditional design calculation, and reliably and accurately guides the filling pile construction design; all tests can be completed within 48 hours on site, and the cost of offshore exploration can be significantly reduced.

The present invention relates to a device (1) for measuring the alkalinity of a liquid (41) present in an external reservoir (40). More particularly, the proposed device (1) is used in the aquarium sector for monitoring water quality (41) in marine aquariums (40), performing the mensuration and automatic correction of the alkalinity of this water (41), especially in aquariums (40) that have coral reefs and other sensitive organisms present in saltwater aquariums. In addition, the present invention also proposes a process for measuring the alkalinity of a liquid (41) in an external reservoir (40). In particular, the proposed device (1) and process are characterized in that they comprise a control unit (70) capable of determining the alkalinity of an external liquid (41) present in an external reservoir (40) to the mensuration device (1) by using a CO2SYS method in conjunction with information previously stored in said control unit (70).