57 results about "Mangrove plants" patented technology

The invention belongs to the technical field of ecological restoration and wetland engineering, and discloses an ecological corridor-based abandoned fishpond ecological restoration method, which comprises the following steps: S1, land forest restoration: planting saline-alkaline tolerant vegetation around an abandoned fishpond and in a land and abandoned fishpond transition area in a layered manner; s2, mangrove forest wetland construction: performing microtopography modification to adjust the bottom mud elevation, and planting mangrove forest plants in a layered manner; s3, ecological corridor construction: constructing an ecological corridor on one side of the abandoned fishpond and the land, and constructing an ecological corridor on one side of the abandoned fishpond and the ocean; s4, ecological monitoring and maintenance: carrying out hydrological, tidal and biological detection regularly; the three-dimensional ecological corridor system of'land forest-mangrove forest wetland-ocean 'is constructed, and the abandoned fish pond is transformed into the mangrove forest wetland, so that not only are biodiversity improvement and ecosystem connectivity realized, but also stable migration and inhabitation space can be provided for terrestrial and aquatic organisms.

The invention relates to the technical field of ecological breeding of scylla paramamosain and protection and restoration of mangrove forests. The invention provides a method for culturing scylla paramamosain by using mangrove forest, which comprises the following steps: (1) carrying out simple engineering transformation on the basis of a coastal wetland traditional culture pond, constructing a planting island in the middle of the culture pond, and reserving an annular tidal creek between the planting island and the periphery of the culture pond; (2) planting mangrove plants in the planting island to form a man-made forest; (3) small aquatic plants are planted at the bottom of the artificial forest, and large algae are planted in the annular ditches; and (4) putting the young blue crabs into the culture pond, and carrying out daily management until the blue crabs are harvested. The shellfish is used for providing main food supply for the blue crabs, and meanwhile water is purified; excrement of the blue crabs can be fed back to promote growth of mangroves, algae, mussels and the like; large algae can perform photosynthesis at the bottom of the pond to increase dissolved oxygen in water, and small sea grass is placed in the planting island to make up for the defect of low coverage of newly planted mangrove forest plant seedlings.

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 invention discloses a preparation method and an instantaneous transformation method of a mangrove plant bamboo joint tree protoplast, and relates to the technical field of plant protoplast preparation and transformation. According to the method, seedling leaves of the mangrove plant bamboo joint tree protoplast serve as experimental materials, the protoplast is obtained through an enzyme lysis method, and then exogenous genes are transferred into the mangrove plant bamboo joint tree protoplast through a PEG-mediated transformation method for transient expression. The method comprises the following steps: firstly, selecting a bamboo joint tree with fewer mangrove family secondary metabolites as a material, and inducing through spectra with different illumination intensities and wavelengths, so that accumulation of leaf secondary metabolites is reduced while the mesophyll cell structure is adjusted, and further, the purposes of promoting cell wall lysis and protoplast separation are achieved. The invention develops a composite enzymolysis formula adaptive to cell wall components of the mangrove tree, and establishes a set of system for maintaining activity and culturing protoplast of the mangrove tree, so that an exogenous gene can be successfully and transiently expressed in the system.

The present application relates to the technical field of seedling cultivation, and discloses a mangrove plant seedling planting and cultivating device, which comprises a supporting table, a groove is formed in the upper end of the supporting table, two groups of driving wheels are arranged on the supporting table, an auxiliary planting mechanism is arranged on the supporting table, the auxiliary planting mechanism comprises a movable plate, a cultivating cylinder and two semi-conical cylinders which are rotatably arranged at the lower end of the cultivating cylinder, the movable plate is movably arranged in the groove in the upper end of the supporting table, a plurality of insertion holes are uniformly formed in the movable plate, the cultivating cylinder is movably inserted into the insertion hole, the two semi-conical cylinders can be combined to form a conical accommodating cavity, and a silt permeation opening is formed in each of the two semi-conical cylinders. The device aims at solving the problem that the existing cultivating device is difficult to separate single seedling when seedling cultivation is performed due to high planting density, the underground root system of mangrove seedling is intertwined, and the root system is easily mechanically damaged when seedlings are forcibly separated, thereby reducing the survival rate of transplantation.

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 discloses a mangrove plant community net primary productivity monitoring method based on trunk flow, and relates to ecology and botany. General regulations of mangrove plant community net primary productivity monitoring based on trunk stem flow, mangrove plant stem flow monitoring content and method, plant leaf and crown atmospheric stability isotope monitoring, mangrove plant community net primary productivity calculation method and other basic contents and requirements are given. The method comprises the following steps: monitoring the stem flow density of a sample tree by adopting a plant stem liquid flow monitoring system, obtaining the composition condition of plant leaf juice and 13C in the canopy atmosphere by adopting an isotope analyzer, and obtaining the canopy leaf area index by adopting a fisheye lens and related software; and calculating the real-time net primary productivity of the mangrove plant community according to the monitored data. The method can be applied to monitoring of net primary productivity of various mangrove forests or land forests. The method is accurate in monitoring, high in popularization degree and good in real-time performance, and solves the problems of poor continuity, high operation difficulty and the like in current mangrove plant community net primary productivity measurement and calculation.

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 discloses an ecological cultivation seedling raising system and method for mangrove planting, and particularly relates to the technical field of seedling raising, and the system comprises a mangrove planting management system, a mangrove water cultivation seedling raising device, an environment adjusting device and a salinity adjusting device. According to the mangrove planting management system, mangrove seedling raising pictures are obtained through the image taking unit, the types and growth states are recognized through the planting analysis module, the planting control module generates irrigation and environment adjusting instructions accordingly, the mangrove hydroponic seedling raising device achieves spraying or tidal irrigation according to the instructions, and the environment adjusting device can adjust environment factors such as temperature, humidity and illumination. The salinity adjusting device can keep the suitable salinity of the water body, and the seedling raising method is based on the system and comprises the steps of obtaining mangrove seedling raising information, determining the maturity grade, generating an instruction, executing irrigation and environment adjustment, monitoring and adjusting the salinity at the same time, and recycling irrigation liquid. Accurate management and efficient cultivation of mangrove seedling raising are achieved, and protection and restoration of a mangrove forest ecological system are facilitated.

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 present invention discloses a method and apparatus for simulating the spatiotemporal changes of mangrove vegetation under the influence of a canal. The method includes: first, dividing the simulated area into multiple spatial units; acquiring remote sensing data and extracting relevant information; constructing a dynamic mangrove growth model and a spatial simulation model; and completing the calibration and verification of the model coupling. Multiple canal construction scenarios and post-construction environmental factors are obtained and input into the model to obtain the spatiotemporal simulation results of mangrove vegetation changes corresponding to each scenario. Finally, a target canal construction scenario is determined. This design provides a scientific decision-making basis for achieving a balance between canal construction and mangrove vegetation protection.

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 present application relates to the technical field of ecological restoration, and discloses a rock drilling and soil covering method for planting mangrove in strongly weathered tuff bottom, aiming to solve the problems of mangrove root system planting difficulty, soil barrenness and high cost of traditional restoration engineering in hard bottom area. The method comprises the following steps: mechanically breaking the surface layer to the average sea level elevation; vibrating and breaking the lower tuff; and backfilling gradient structure planting soil. The present application optimizes the water permeability, continuously supplies fertilizer and buffers the salinity through gradient planting soil design, and reduces the earthwork excavation amount by combining the rock drilling and boring technology, thereby improving the ecological restoration effect of coastal strongly weathered tuff bottom mangrove.

The present invention discloses a method for analyzing the sources of nitrogen pollution in mangroves based on the stable nitrogen isotope composition, which includes: culturing mangrove plants in the laboratory to ensure that the initial isotope values of each plant are consistent; placing cages in a series of mangroves with nitrogen concentration gradients and planting the mangrove plants into the cages; allowing the mangrove plants to grow in the cages for at least one month to ensure isotope integration of the mangrove plants; collecting mangrove plant samples from the cages multiple times, drying the mangrove plant samples, and grinding them into powders to make aluminum-tin capsules; using a stable isotope ratio mass spectrometer (IRMS) to analyze the δ<supgt;15< / supgt;N isotope ratio of the aluminum-tin capsules; drawing spatial variation diagrams, temporal variation diagrams, and hotspot diagrams based on the δ<supgt;15< / supgt;N isotope ratio; and determining the sources of nitrogen pollution according to the differences in the δ<supgt;15< / supgt;N isotope ratio of the mangrove plants. Through the method of the present invention, accurate judgment of the sources of nitrogen pollution in mangroves can be achieved, and it can also provide directions for environmental governance and environmental protection.

The invention discloses application of mangrove plant extract in preparation of bacteriostatic and antioxidant products, and belongs to the technical field of drug development and bacteriostatic and antioxidant products. The mangrove plants are at least one of bruguiera gymnorrhiza, tung flower, kandelia candel, mangrove, avicennia marina, lalang gonggan, ceratocarpus lingnanensis, acanthus ilicifolius and red sea olive, and the bacteria are escherichia coli or bacillus subtilis; the organic solvent is a 78% ethanol solution. The mangrove plant active substance extract is applied to oxidation resistance and bacteriostasis, the optimized mangrove plant extract compound is found, the bacteriostasis effect of the mangrove plant extract compound is superior to that of a single mangrove plant extract, and a new direction is provided for utilization of mangrove plants.

The invention provides a mangrove forest three-dimensional hydrodynamic model construction method and a three-dimensional flow velocity prediction method, and relates to the technical field of ecological systems.The mangrove forest three-dimensional hydrodynamic model construction method comprises the steps that site division is conducted on mangrove forest plaques in a research area, and a plurality of site areas are obtained; acquiring survey data of each site area; the survey data comprises mangrove forest plant distribution characteristics and flow velocity data; determining resistance data items and turbulence energy data items of the mangrove forest to water flow according to the flow velocity data and the mangrove forest plant distribution characteristics; and based on an original momentum equation and a Meller-Yamada model, integrating the resistance data item and the turbulence energy data item, and constructing a mangrove forest three-dimensional hydrodynamic model. The problem that an existing three-dimensional hydrodynamic numerical model lacks a core pain point of an exclusive power module for an intertidal mangrove forest ecosystem is effectively solved, and the complete process of site division, survey data acquisition, resistance and turbulence data calculation and model construction is performed.

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 utility model discloses a mangrove plant seedling raising pot, which comprises wall plates, bottom plates, flexible mechanisms and buckle mechanisms, a seedling raising area is enclosed by the wall plates and the bottom plates, the bottom ends of the wall plates are connected with the bottom plates, the wall plates are divided into a left side wall plate and a right side wall plate, the bottom plates are divided into a left side bottom plate and a right side bottom plate, and the left side bottom plate and the right side bottom plate are connected through the buckle mechanisms. The buckle mechanism is composed of a buckle and a buckle groove, the flexible mechanism is composed of a left side triangular wall plate strip, a right side triangular wall plate strip and a flexible connecting strip, the flexible connecting strip is connected with the left side triangular wall plate strip and the right side triangular wall plate strip, the buckle is arranged at the front end of the left side wall plate, and the buckle groove is formed in the front end of the right side wall plate. A left side triangular wall plate strip is arranged at the rear end of the left side wall plate, a right side triangular wall plate strip is arranged at the rear end of the right side wall plate, and the left side wall plate and the left side bottom plate and the right side wall plate and the right side bottom plate can be flexibly opened and closed.

This invention discloses a mangrove planting and protection device and construction method in a fishpond reclamation area. The device includes a settlement adaptation component and a root fixing component. The settlement adaptation component consists of an outer frame, an inner sliding frame, and a drop-reducing unit located at the top. The outer frame is anchored in the reclamation sediment, and a settlement visual marker structure is set on its inner side to indicate the settlement stage of the inner sliding frame. The inner sliding frame can slide vertically along the inner wall of the outer frame to adapt to the sediment settlement. The root fixing component is used to fix the seedlings and provide a growth substrate. The construction method is as follows: the device for planting seedlings is mounted on a drone and accurately placed in the target reclamation area. The device penetrates the soft mud through its bottom structure. During the sediment consolidation and settlement process, the inner sliding frame slides down along the inner wall of the outer frame, achieving synchronous settlement of the roots and the mud surface, effectively preventing root damage and seedling lodging caused by differential settlement.

The invention relates to the technical field of mangrove forest utilization. The invention provides a method for breeding phascolosoma esculenta by utilizing mangrove forest wetland, which comprises the following steps: (1) selecting an open area in the mangrove forest wetland as a breeding area, and planting mangrove plants around the breeding area to form a strip-shaped artificial forest; (2) digging the culture area downwards to form a culture pond, and digging an annular ditch along the edge of the culture pond; (3) constructing the breeding area within the annular ditch into a strip-shaped breeding ridge; (4) putting phascolosoma esculenta seedlings into the culture ridges, and harvesting after the phascolosoma esculenta seedlings are mature. According to the method, habitat complementation is achieved through the mangrove forest and the phascolosoma esculenta, the mangrove forest provides a stable habitat environment, the activity of the phascolosoma esculenta can loosen the substrate, and root respiration and nutrient absorption of the mangrove forest are promoted. The mangrove forest restores coast ecology and improves the carbon sink value; the phascolosoma esculenta serving as a high-protein aquatic product is high in market price, and the combination of the phascolosoma esculenta and the phascolosoma esculenta can achieve the win-win

The invention provides a fine quantification method for mangrove plant source contribution in mangrove forest wetland sediment carbon sink. The method comprises the following steps: acquiring mangrove forest wetland sediment sample data; constructing a multi-source observation data coupling model; total organic carbon constraint is adopted to calibrate isotope mass balance; estimating prior distribution of a source contribution proportion by using Dirichlet; the posterior distribution of the source contribution ratio is estimated through MCMC sampling. According to the invention, the monomer delta 13C, the concentration and the total organic carbon delta 13C are fused, so that the limitation of a traditional single data source is solved; and the technical problem of mangrove forest carbon source signal overlapping is solved. Connecting isotope signals with different scales by using a fractionation constraint mechanism, and eliminating independent estimation deviation of end member parameters through a total organic carbon constraint mechanism; meanwhile, end member variability, analysis errors and system errors are considered, and the quantification accuracy is further improved; according to the method, the sampling deviation is reduced through probabilistic contribution proportion estimation and end member parameter posteriori estimation.

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 present application provides a kind of mangrove plants of Bruguiera gymnorrhiza freshwater cultivation method, comprising the following steps: (1) seed treatment: take Bruguiera gymnorrhiza seed, using seed soaking liquid is carried out seed soaking treatment;Seed soaking is carried out after sterilization treatment, dry in shade;Seed soaking liquid is 20-30% of the mass concentration of Veratrum leaf extract;(2) sowing: preparation of seedling substrate, seed is sown in seedling bag containing seedling substrate;The seedling substrate contains sandy loam and livestock manure, fermentation, phosphate fertilizer;Fermentation formula includes: dry cattle manure, Phoenix tree leaf, urea, curved spore bacillus liquid;(3) seedling management.The present application effectively guarantees and promotes Bruguiera gymnorrhiza germination rate, seedling height and survival rate in freshwater environment, germination rate is as high as 97% or more, seedling height reaches 57cm after 6 months of seedling raising, and survival rate reaches 96% or more.