50 results about "Rhizophora apiculata" patented technology

The invention discloses a seedling raising and transplanting method for mangrove plant Aegiceras corniculatum based on external application of gibberellin, and belongs to the technical field of saline-alkali plant cultivation and mud flat ecological restoration. The method mainly comprises the four stages of seed disinfection and gibberellin soaking, germination cultivation, seedling cultivation, salinity domestication and mud flat transplanting. After being disinfected, the seeds are soaked in a gibberellin solution with the concentration being 300 mg / L, gibberellin with the same concentration is sprayed regularly during germination, and the germination rate and the germination speed are increased. In the seedling stage, humus soil and mud flat bottom mud mixed matrix is adopted for cultivation, and growth is promoted by spraying 100 mg / L gibberellin to leaf surfaces and injecting 25 mg / L gibberellin to rhizosphere. After seedlings are formed, the seedlings are subjected to step-by-step salinity domestication (5 per thousand to 30 per thousand), gibberellin spraying and rhizosphere injection are carried out at regular intervals, and the stress resistance of the seedlings is enhanced. The method can effectively shorten the seedling raising period of Aegiceras corniculatum, improve the seedling raising efficiency, enhance the adaptive capacity of seedlings to the tidal zone environment, and facilitate rapid recovery of a mangrove forest ecosystem.

This invention discloses a method for hardwood cutting propagation of the mangrove plant *Avicennia marina*, comprising: S1: Selection and preparation of cuttings: In early July, select vigorous, healthy, and disease-free superior single plants, collect robust perennial branches, keep them moist after collection, bring them back to the cutting site, and cut them into cuttings on the same day; S2: Pretreatment of cuttings: Disinfect the cuttings obtained in step (1) by soaking them in a 700-fold carbendazim solution for 10 minutes, and then let them air dry naturally; subsequently, quickly dip the cuttings in a 1000 mg / L NAA and IBA hormone solution for 30 seconds, and insert them into the substrate of the seedbed to a depth of 3-4 cm. This method for hardwood cutting propagation of the mangrove plant *Avicennia marina* provides technical support for the industrialized and large-scale production of superior *Avicennia marina* seedlings, and can also ensure the demand for superior seedlings for the ecological restoration of coastal mangroves.

The utility model discloses a surrounding net protection device for an external mangrove cleaning area. The surrounding net protection device comprises a wave dissipation plate, a guide rod, a sliding rod, a connecting transverse rod, a blocking net, a blocking piece, a longitudinal mounting rod, a cage body and a floating body. The blocking net adopts a lagging type floating design, so that floating garbage can be blocked outside the blocking net all the time and is not influenced by rising and falling tide; after flood tide, the lower portion of the blocking net provides a passage for organisms, after ebb tide, the device does not affect passage of benthonic animals, and ecological restoration of a cleaning area is facilitated.

The present invention disclosure relates to a rapid and cost-effective method for the isolation of genomic material from muscle tissues of mangrove crab for the molecular detection of bacterial pathogens. The methods increase the total recovery of genomic DNA from muscle tissues by heating to 100oC in addition to mechanical disruption of tissues by homogenization. The extracted and isolated genomic DNA using the present invention can 10 be used for the molecular detection of bacterial pathogens from muscle tissues of mangrove crab.

The invention discloses a seed preservation method of cryptophytic mangrove plant avicennia marina. The method comprises the following steps: (1) selecting healthy and full avicennia marina seeds without plant diseases and insect pests, removing outer skin, soaking and disinfecting in a carbendazim aqueous solution for 15 minutes, washing with clear water, and airing; (2) soaking the avicennia marina seeds treated in the step (1) in a chitosan solution for 1 min, taking out, and airing; and (3) embedding the avicennia marina seeds treated in the step (2) into a preservation matrix by taking wet sand as the preservation matrix, then putting the seeds and the preservation matrix into a plastic package bag for sealing, so that the seeds are still kept in a buried state in the bag, and finally storing in a dark environment at 14 DEG C. The germination rate of the avicennia marina seeds stored by the method can still reach 40% after 4 months, the storage time of the avicennia marina seeds is remarkably prolonged, and convenience is provided for seedling raising and ecological restoration of the avicennia marina.

The invention relates to the field of plant ecological risk assessment, and discloses a foreign mangrove species ecological influence assessment and risk prediction method, which comprises the following steps: performing biological characteristic information investigation and analysis on target foreign mangrove species to construct a multi-dimensional assessment index system, and performing risk judgment on the target foreign mangrove species according to different index score values, given by the system, of the target foreign mangrove species. And evaluating a risk evolution process after the risk judgment, and outputting a management scheme for the risk. According to the method, the comprehensive influence of external mangrove species can be comprehensively and comprehensively evaluated, key risk points are not missed, meanwhile, the management efficiency is improved, and the decision randomness and uncertainty are reduced.

This invention provides a method for controlling Spartina alterniflora and promoting natural mangrove restoration based on rolling mulching and in-situ mud slurry, belonging to the field of ecological control technology. The method involves mechanically rolling Spartina alterniflora to flatten most of it and press it into the tidal flat soil. Then, a biodegradable mulch film is laid on top, and mud slurry is extracted and applied to form a mud slurry cover layer. A mangrove seed interception and planting device is then installed on the mud slurry cover layer to prevent mangrove seeds from growing naturally, thereby reducing the cost of Spartina alterniflora control and improving the efficiency of Spartina alterniflora control.

The invention relates to the technical field of internal circulation low-carbon systems, in particular to a mangrove plant acanthus ilicifolius and bostrichthys sinensis pond planting and breeding coupled internal circulation low-carbon system which comprises three biological components, namely mangrove plant acanthus ilicifolius, bostrichthys sinensis and seawater tilapia, and the three biological components coexist in a low-salt seawater environment with the salinity of 5-8 to form a substance circulation chain; according to the method, the tilapia mossambica culture pond serves as a hub, residual feed and excrement of the tilapia mossambica culture pond are conveyed to the acanthus ilicifolius planting area along with circulating water to provide fertility, chippings of mangrove plant acanthus ilicifolius overflow back to the tilapia mossambica culture pond, and therefore the medicinal and edible value of tilapia mossambica is increased, 70-80% of tilapia mossambica meat mixed feed is fed to Nitrogen and phosphorus-rich bottom mud in a tilapia pond cleaned in winter is recycled as acanthus ilicifolius organic fertilizer, so that resource circulation of'feeding trees with fishes and fattening the fishes with the trees' is realized, and input of exogenous pollution is reduced.

The invention relates to a degradable three-dimensional habitat protection body and a mangrove propagule planting method based on the three-dimensional habitat protection body, the three-dimensional habitat protection body comprises a plurality of three-dimensional structure units, each three-dimensional structure unit comprises a top wall and a bottom wall, the whole top wall is of a hollow structure arched towards the direction away from the bottom wall, and the bottom wall is of a hollow structure arched towards the direction away from the bottom wall. The whole bottom wall is of a hollow structure which is arched in the direction away from the top wall, and the bottom wall and the top wall jointly define a hollow cavity. In the tide scouring and wave impact process, the protection body can weaken the instantaneous dynamic pressure peak value perpendicular to the hollow structure, and the pull-out force and shear stress acting on seedlings or attached organisms in the cavity are reduced; meanwhile, the flow velocity and internal shear force in the cavity can be reduced, local scouring and sediment erosion are effectively inhibited, a relatively stable matrix environment is formed, and continuous support is provided for propagule germination and root growth.

This invention relates to a phenolic compound from mangrove-derived fungi and its preparation method, wherein the phenolic compound has the structure shown in compound 1:

The invention relates to a mangrove forest bionic root system synergistic remediation device, and relates to the technical field of ecological remediation and environmental protection, the mangrove forest bionic root system synergistic remediation device comprises a bionic artificial root system enhancing assembly, the bionic artificial root system enhancing assembly comprises an annular liquid preparation pipe and a hollow tubular network, and the upper surface of the annular liquid preparation pipe is fixedly connected with a vertical rod; a bearing frame is installed on the vertical rod, and a supply assembly is arranged on the bearing frame. Through cooperation of the bionic artificial root system enhancing assembly and the supplying assembly, the synchronous effect of directional development of the root system of the mangrove and efficient regulation and control of pollutants is achieved, the bionic artificial root system enhancing assembly serves as the core, the micro holes in the hollow tubular network release the remediation liquid conveyed by the liquid storage box to soil around the root system, growth nutrients are provided for seedlings, and the remediation effect is achieved. Soil heavy metal ions are fixed through components of the remediation liquid, meanwhile, a supporting frame for directional growth is provided, a root system is guided to extend towards the deep layer of the soil, and the problem that root system development is limited in the high-salt and high-temperature environment is solved.

The invention relates to the field of utilization of marine medicinal biological resources, in particular to a chromone derivative as well as a preparation method and application thereof.The chromone derivative Sonnerachromone A-G (1-7) is obtained by extracting and separating mangrove songarus apetala fruits, the chromone derivative Sonnerachromone A-G belongs to a natural active ingredient, the derivative is a new compound, and the chromone derivative Sonnerachromone A-G is a natural active ingredient and is a natural active ingredient. It is found that the chromone derivatives Sonnerachromone A-G have good activity of delaying senescence of nematodes, the senescence delaying activity of part of compounds is superior to that of a positive control group, and the chromone derivatives Sonnerachromone A-G can be used as medicinal or non-medicinal senescence delaying products independently or in a combined mode and have good medicinal and dietary supplement prospects.

The invention provides a floatable mangrove plant support which comprises at least one standard unit, each standard unit comprises a first bamboo raft, a second bamboo raft, a connecting assembly and a bearing assembly, and the first bamboo raft is provided with a plurality of first penetrating holes at intervals; the second bamboo rafts are connected with the first bamboo rafts through fixing bamboo tubes and provided with a plurality of second penetrating holes corresponding to the first penetrating holes at intervals. The connecting assembly comprises a plurality of connecting rod pieces arranged at intervals, each connecting rod piece comprises a tension spring pipe, a tension spring and a transmission pull rod, the tension spring pipes are hinged to the second bamboo rafts, the transmission pull rods are connected with the tension spring pipes through the tension springs, and limiting stop levers are arranged on the transmission pull rods; the bearing assembly comprises a plurality of bearing rod pieces arranged at intervals, the two opposite ends of each bearing rod piece slidably penetrate through the corresponding first penetrating hole and the corresponding second penetrating hole respectively, the bearing rod pieces can be stressed to rotate, a plurality of clamping grooves are formed in the bearing rod pieces in the length direction at intervals, and the clamping grooves can be clamped with the limiting stop rods. The problem that mangrove plants are difficult to transplant in an intertidal zone can be solved.

The application discloses a kind of difficult stand beach intertidal alien mangrove plant Laganum community transformation method, belong to mangrove planting technical field;Steps include: S1, mangrove present situation investigation;S2, beach protection repair measure;S3, Laganum pruning or felling;S4, plant mangrove forest;S5, management and protection;S6, effect evaluation;The method can be grown to Laganum community renewal reconstruction in seawater scouring area, avoid reconstruction failure risk, compared with other conventional methods reconstruction repair early canopy forestation;After taking beach protection measure, the beach of repair area is stable, avoid being lost by tidal scouring and leading to sediment;Use old fishing net to protect, avoid that marine litter enters repair area;Use small block to level, keep original Laganum root system, there are few biologicals in woodland in early reconstruction period, such as crab, reduce the interference and damage to new planting seedling, guarantee mangrove seedling survival rate;Using seedling planting that is cultivated under the condition of high salinity environment, seedling resistance is strong, recovery growth speed is fast, survival rate is high.

The invention discloses an endogenous promoter AMGT1P11 of mangrove plant avicennia marina and application of the endogenous promoter AMGT1P11, and belongs to the technical field of gene engineering, and the nucleotide sequence of the endogenous promoter AMGT1P11 comprises a sequence as shown in SEQ ID NO: 1, a sequence as shown in SEQ ID NO: 2, a sequence as shown in SEQ ID NO: 3 and a sequence as shown in SEQ ID NO: 4; or a sequence which has at least 70% homology with the sequence as shown in SEQ ID NO: 1 and has the same function as the sequence as shown in SEQ ID NO: 1; or, one or more basic groups are added, substituted, inserted or deleted in the sequence shown in SEQ ID NO: 1, and the sequence has the same function as the sequence shown in SEQ ID NO: 1. The AMGT1P11 contains a reported salt-induced cis-acting element GT1-motif (GGTTAA, a new reference can be provided for research of a mangrove plant salt-tolerant mechanism, meanwhile, the promoter can regulate and control expression of exogenous target genes in dicotyledons and monocotyledons, a brand new tool and selection are provided for plant transgenic engineering, and an important foundation is laid for plant genetic improvement.

The present application relates to the field of remote sensing monitoring, in particular to a mangrove inter-specific classification method and device based on unmanned aerial vehicle remote sensing, adopting a decision tree learning algorithm to update feature threshold values in a feature corresponding relationship of a plurality of mangrove plant categories in an initial multi-modal plant knowledge graph, obtaining an updated multi-modal plant knowledge graph, performing inter-specific classification reasoning according to a plurality of types of feature data in the extracted feature data set of the region to be classified, feature values corresponding to the feature data, and the updated multi-modal plant knowledge graph, obtaining a mangrove inter-specific classification result, which integrates classification knowledge, overcomes the shortcomings of a method that simply relies on data, and improves the accuracy, efficiency and reliability of mangrove inter-specific classification.

The invention discloses a culture pond mangrove forest restoration appropriate elevation determination system based on tide level numerical simulation, and relates to the technical field of marine ecological restoration, and the system specifically comprises an acquisition processing module, a tide level model module, a scene simulation module, a relation analysis module, a screening comparison module and an optimization decision module. The system firstly collects basic data; establishing a three-dimensional hydrodynamic numerical model based on a hydrodynamic principle; simulating water level responses under different working conditions according to the basic data and the gate operation rule; calculating the daily average flooding time of any given elevation point in the culture pond in the simulation period through statistical analysis, and establishing a corresponding relation curve between the elevations of different positions and the daily average flooding time; comparing the flood-tolerant duration data of the target mangrove plant species with the corresponding relation curve as a screening condition; and finally, calculating a theoretical appropriate elevation range, and taking the appropriate elevation range determined under the working condition as a basis for guiding the appropriate elevation design for repairing the mangrove forest in the culture pond.

The invention discloses an indoor seedling raising method for mangrove plant red sea olive. The method comprises three stages of seed pretreatment, seed germination and seedling cultivation. The light environment, the temperature, the humidity, the nutrition supply and the salinity of the substrate are accurately regulated and controlled under the condition of full manual control by adopting the culture substrate with a specific proportion, and the dependence of traditional seedling culture on natural conditions is effectively overcome. According to the method, standardization and controllability of red sea olive seedling raising are achieved, the growth speed of red sea olive seedlings is remarkably increased, and the method is suitable for large-scale and annual seedling raising production and has important application value for mangrove forest wetland restoration and ecological engineering.

The invention belongs to the field of marine natural product chemistry, and particularly relates to a mangrove-derived fungus heterocyclic dipeptide compound and application thereof. According to the invention, a secondary metabolite of mangrove-derived fungus XLN32122 is researched, and a new heterocyclic dipeptide compound 1 containing 1, 2-oxa-dodecanoic ring, three analogues (2-4) and three known polyketone compounds (5-7) are separated from the secondary metabolite. An in-vitro anti-inflammatory activity result shows that the compound 3 has remarkable inhibitory activity on the generation of NO in RAW 264.7 cells induced by LPS, the IC50 value of the compound 3 is 13.13 + / -0.005 mu M and is higher than that of a positive control drug dexamethasone, and the IC50 value of the compound 3 is 136.84 + / -1.330 mu M.

The invention discloses a salt-tolerant flooding-resistant mangrove plant variety breeding method, belongs to the technical field of mangrove plant breeding, and systematically carries out salt-tolerant flooding-resistant excellent mangrove variety breeding work through three links of germplasm resource collection, character evaluation and variety breeding. The method comprises the following steps: firstly, carrying out resource census on mangrove plants in a natural distribution area, comprehensively evaluating the growth and resistance performance of the mangrove plants, and collecting at least 50-60 parts of excellent germplasm for local planting and storage; secondly, carrying out salt-tolerant and flooding-tolerant experiments on the collected germplasm, analyzing phenotypic characters and physiological changes of the germplasm, deeply excavating stress-resistant key genes by applying multiple omics technologies such as transcriptome and metabolome, and verifying the expression quantity of the key genes in combination with a qPCR technology; finally, gene expression data and phenotypic resistance analysis results are integrated, salt-tolerant and flood-tolerant mangrove plant varieties rich in genetic background diversity are screened out, a complete technical route of resource collection, omics analysis and directional breeding is formed, and high-quality germplasm resources are provided for mangrove forest ecological restoration.

The utility model relates to the technical field of mud flat seedling protection, in particular to a mud flat seedling fixing device for a mangrove forest restoration area, which comprises two baffles which are symmetrically distributed and an opening type cover body arranged at the tops of the two baffles, and hinges for opening and closing the two baffles are arranged on the outer sides of the two baffles. According to the mangrove seedling planting device, in the mangrove seedling planting stage, the mangrove seedlings can be protected through the two baffles and the open type cover body, the mangrove seedlings are prevented from being gnawed by animals, meanwhile, air circulation around the mangrove seedlings can be guaranteed, the mangrove seedlings can be protected, and the mangrove seedlings can be protected from being damaged by the animals. In addition, when the mangrove seedlings adapt to the environment to grow, the opening type cover body on the upper portion can be detached, the mangrove seedlings are supported from the two sides of branches and trunks of the mangrove seedlings through the two inner arc-shaped blocks, it is ensured that the mangrove seedlings can grow healthily and stably, and the remediation effect of a mangrove forest remediation area can be improved.

This invention relates to a mixed-origin terpenoid compound from medicinal mangrove fungi and its application in controlling cotton bollworm, wherein the mixed-origin terpenoid compound has the structure shown in compound 1:

The invention discloses a method for inhibiting disordered expansion of songarus apetalus to restore an ecological structure of a native mangrove, which is a method for inhibiting disordered growth of songarus apetalus and restoring and maintaining the balance of the ecological structure of the mangrove. By adopting the method, the inhibition of songarus apetalus on other native mangrove varieties can be reduced, the reproduction and growth of the native mangrove can be promoted, and the ecological structure of the native mangrove can be restored. The diversity of the mangrove forest ecological structure is restored, and ecological environment damage and social and economic loss possibly caused by long-term disordered expansion of songarus apetala are prevented and avoided.

The application discloses a high-elevation high-salinity sandy beach mangrove afforestation method. The method comprises the following steps: building a temporary sand-retaining and flow-retarding dam along the coastline direction in the near sea of a to-be-afforested area, using wood piles to be punched into the beach surface with a spacing of 5-10 cm, with 60-80 cm of the wood piles exposed above the ground and 30-50 cm of the wood piles embedded in the soil, and the wood piles are removed after the mangrove seedlings are successfully planted; digging shallow pits with a depth of 5-15 cm and a width of 10-20 cm in the difficult site parallel to the coastline direction, and the distance between each shallow pit is 45-50 cm; planting the nutrient bag seedlings with strong salt-tolerant capacity outside the shallow pits in the ideal season of the mangrove afforestation; digging planting holes in the shallow pits from March to August every year, and then inserting the embryonic axis of the medium salt-tolerant seedlings into the planting holes filled with nutrient soil, and the embryonic axis is fixed by using a bamboo stick; and maintaining the forest land. The method can increase the biodiversity of the high-elevation high-salinity sandy beach mangrove, and restore the degraded mangrove wetland ecosystem.

This invention discloses a mangrove ecological restoration planting system with survival status monitoring. The system includes a portable integrated planting device, a survival status monitoring module, and a positioning and tracking module. The planting device includes a cylindrical body with a pointed bottom. Inside the cylindrical body, from top to bottom, there are a nutrient chamber and a seedling fixation device. The side wall has an expandable anchoring structure to improve the device's erosion resistance. The nutrient chamber is filled with slow-release fertilizer and in-situ soil probiotic immobilization substrate to provide a long-term and stable nutrient supply for mangrove seedlings. The seedling fixation device is made of biodegradable elastic material to fix the seedling roots. The survival status monitoring module monitors the growth of seedlings along the axial direction of the cylindrical body in real time and determines the survival status through elastic tension components and tension sensing units. The positioning and tracking module obtains the device's location information to count the proportion of devices washed away by tides, providing data for optimizing the anchoring structure.

The invention belongs to the technical field of ecological restoration and aquaculture, particularly relates to a method for breeding blue crabs in a mangrove forest planting and breeding coupling system, and provides the following scheme for improving the food output and ecological value of the mangrove forest planting and breeding coupling system or an area suitable for mangrove forest breeding. The method comprises the following steps: S1, selecting a proper area as a mangrove forest planting area and a blue crab breeding farm; s2, trimming the selected area, constructing a culture purse seine, and planting mangrove plants and aquatic plants in the purse seine; s3, mussel fertilized eggs or planktonic larvae are introduced in the water inlet process, and meanwhile, artificial fry collection in a sea area is conducted and moved into a culture system; s4, water treatment is conducted, cultured fish, shrimp and crab seeds are put in, and feeding and culturing are started. The mangrove forest ecological system is used for promoting mussel breeding and breeding the blue crabs, the blue crab breeding cost is effectively reduced, the blue crab quality is improved, and protection and restoration of the mangrove forest ecological system are facilitated.

The invention discloses a mangrove plant kandelia candel seedling cultivation method, and belongs to the field of mangrove plant seedling cultivation methods. The method comprises the four steps of seed pretreatment, seed hormone soaking, seed hormone spraying, seedling hormone foliage spraying and rhizosphere injection. By means of the formula hormone seedling raising method, the germination rate and the germination speed of kandelia candel seeds can be increased, rapid cultivation of kandelia candel seedlings is achieved, a new seedling cultivation thought is provided for kandelia candel intertidal zone transplanting and artificial afforestation, and the formula hormone seedling raising method has important scientific and social significance.

The invention discloses a mangrove forest damage monitoring method and system based on mobile close-range photogrammetry, and the method comprises the steps: determining a target distance through testing a relation value between an image element of a field mobile phone and a distance by means of image recognition; ground control points are set through mobile phone positioning, a coordinate reference system is established based on branch wires, and a high-precision coordinate relation can be established to improve the geographic position of target recognition; a plurality of images of mangrove plants are obtained through the field mobile phone, a seamless synthetic image is output based on a preset mangrove plant image identification AI model, the problem that the view field of the mobile phone is small is solved, and the method is more suitable for large-range monitoring requirements; based on a preset mangrove plant image identification AI model, processing the seamless synthetic image to obtain mangrove plant state information, and identifying the damaged state of the mangrove plant; and obtaining mangrove plant state monitoring information in combination with the coordinate reference system and the plant state information, so that the state of the mangrove plant at a specified position can be accurately identified.

The application provides a mangrove-fulica prionodes culture pond and a culture method, and belongs to the technical field of aquaculture and ecological breeding. The culture pond comprises a culture jar (1), a water storage jar (2), a culture cup (3), a water circulation assembly (4), a culture substrate (5), mangroves (6), a sewage outlet (7), a culture support (8), a controller (9), and a water level monitoring device (10). The water circulation assembly comprises a water pump (4-1), a water inlet pipe (4-2), and an overflow pipe (4-3). The application realizes efficient water circulation and substrate loss prevention and control through the cooperative matching of the hierarchical structure design, the precise tide simulation system and the independent transparent culture unit, solves the problems of inconvenient observation, sampling and weighing of the starworms and difficult environmental regulation and control of the breeding coupling, simultaneously guarantees the nutrition supply of the starworms through a specific feeding scheme, improves the survival rate and growth speed of the starworms, and realizes the cooperative improvement of ecological benefits and economic benefits.

This invention relates to a method for making a combination adsorbent based on mangrove biomass of Rhizophora mucronata and Xylocarpus sp. and its application to adsorb the pharmaceutical compound sodium diclofenac from solution. This method includes the stages of providing biomass raw materials in the form of twigs of both types of mangrove, drying, grinding, sieving using a 50 mesh sieve, and mixing the two mangrove powders with a weight ratio (1:1) to obtain a mangrove combination adsorbent. The test results show that the mangrove combination adsorbent according to this invention is able to adsorb sodium diclofenac with an adsorption efficiency of approximately 58.9% at optimum pH conditions (pH 6), higher than the single adsorbent Rhizophora mucronata (46.6%) or Xylocarpus sp. (49%), indicating a synergistic effect from the combination of the two biomasses.This invention provides a practical and efficient solution in pharmaceutical waste processing by utilizing abundant and environmentally friendly mangrove biomass, resulting in a low-cost natural adsorbent that is effective for adsorbing sodium diclofenac from solutions or liquid waste.