88 results about "Mangrove plants" patented technology

The invention discloses a high-beach difficult land mangrove plant restoration method, and relates to the technical field of wetland ecological restoration. Through the design of the concave planting pits and the improvement technology of the compound matrix, the problems of insufficient tide immersion and soil hardening in existing high beach remediation are solved. According to the method, planting pits with specific sizes are dug, 2 / 3 of original soil is removed, and a composite matrix of a coco coir layer, a humus layer and a crushed soil layer is backfilled, so that the concave microhabitat with the surface layer 10-20 cm lower than the native mud flat is formed. The coco coir layer improves the air permeability of the soil, the humus layer provides organic nutrients, and the crushed soil layer enhances the stability of the root system. The concave structure prolongs the residence time of tidal water, promotes benthic organisms such as crabs to move and improves the soil quality. By means of the method, the survival rate of mangrove plants in the kaolin mud flat at the tail of the pond under the xiamen reaches 85% or above, and the forestation problem caused by high-beach soil hardening and insufficient tide flooding is solved.

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 field of remote sensing monitoring, in particular to a mangrove forest inter-species classification method and device based on unmanned aerial vehicle remote sensing, and adopts a decision tree learning algorithm to update a feature threshold value in a feature corresponding relation of a plurality of mangrove plant categories in an initial multi-modal plant knowledge graph; and according to the extracted feature data set of the to-be-classified region, a plurality of types of feature data, feature values corresponding to the feature data and the updated multi-modal plant knowledge graph, inter-species classification reasoning is carried out to obtain an inter-species classification result of the mangrove forest, classification knowledge is fused, and the classification efficiency is improved. The method overcomes the defects of a method which purely depends on data, and improves the accuracy, efficiency and reliability of mangrove forest inter-species classification.

The invention discloses an ecological restoration system for mangrove forest wetlands, and relates to the technical field of ecological restoration of coastal wetlands, and the technical key points are as follows: the ecological restoration system comprises an algae-cleaning biocenosis: the number of algae is reduced through salt-tolerant algae-cleaning organisms, and the transparency of a water body is improved; the sea grass plant community comprises Sichuan fructus viticis and halophila acuminata, absorbs eutrophic substances in water through photosynthesis, and further purifies the water quality; aquatic animals comprise fishes, benthonic animals, shrimps and filter-feeding zooplanktons; the mangrove plant community is used for planting bruguiera gymnorrhiza, kandelia candel and aegiceras corniculatum in a layered manner according to tide and water depth so as to realize the functions of purifying water quality of an ecological system and providing a habitat; and the environment monitoring module is provided with tide monitoring equipment, observes tide water level change and salinity and alkalinity, and implements early warning and emergency measures under extreme climate conditions. According to the method, a multi-layer producer community system can be coupled and repaired, the eutrophication problem can be effectively solved by multi-dimensionally improving the biodiversity, and a new method is provided for coastal wetland repair.

The invention discloses a mangrove plant functional character parameter inversion method based on time sequence Sentinel-2 image phenology and spectral characteristics, and relates to the field of obtaining mangrove plant functional character parameters through a remote sensing technology. Screening Sentinel-2L2A images to form a time sequence image data set; calculating three types of feature variables for each image pixel by pixel, and constructing an input feature set; constructing a sample data set based on the input feature set and the field actually-measured functional character parameters; performing hyper-parameter optimization on the GPR model by a Bayesian optimization algorithm; performing GPR model training by using the optimized hyper-parameters; the contribution degree of each characteristic variable is quantitatively evaluated through the SHAP; and drawing the mangrove plant functional character parameters in the research area by using the first several characteristics with the contribution degree sum greater than 90% and the trained mangrove plant functional character parameter estimation model. According to the method, phenological characteristics are considered, and mangrove plant functional character parameters can be accurately inverted.

The invention discloses an indoor seedling raising method for mangrove plant acanthus ilicifolius. The indoor seedling raising method comprises the steps of seed pretreatment, seed germination and seedling indoor cultivation. The method comprises the following specific steps: putting pretreated acanthus ilicifolius seeds into a seedling raising tray filled with sand, and germinating by controlling temperature, salinity and nutrition conditions. Placing the germinated robust seedlings on a cultivation module, and harvesting acanthus ilicifolius seedlings after the seedlings are cultivated to the required height. According to the acanthus ilicifolius seedling cultivation method, indoor vertical cultivation facilities are utilized, specific light intensity, light period, temperature, salinity and the application amount of organic fertilizer, calcium, magnesium and microelements are set, the limitation on conditions such as soil fertility, climate, sunlight and salinity is eliminated, and rapid and high-density cultivation of acanthus ilicifolius seedlings can be achieved.

The invention discloses a hydroponic seedling raising method for mangrove plant kandelia candel, and belongs to the technical field of mangrove plant breeding and seedling raising methods and hydroponic plants. The method comprises the four steps of seed pretreatment, seed field planting, seed germination and seedling water culture. By using the hydroponic seedling culture method, the culture environment conditions (illumination, nutrient elements of the hydroponic solution, temperature and salinity) can be manually regulated and controlled, the constraint of soil, climate, land fertility and sunlight can be got rid of, a new seedling culture thought is provided for artificial afforestation of kandelia candel, and the method has important social and scientific significance.

The invention discloses a mangrove plant kandelia candel extraction method based on Sentinel-1 / 2 time sequence remote sensing images, and relates to satellite remote sensing image processing. The method comprises the following steps: generating year-by-year quantile data of an original spectral band and a spectral index by utilizing a Sentinel-1 / 2 time sequence image, and generating 10m elevation, gradient and slope direction data by adopting 30m global elevation data; establishing a research area classification system, and generating a training sample set according to a high-resolution image provided by Google Earth software; and generating a training model based on a random forest classification algorithm to obtain a mangrove plant kandelia candel distribution result. The mangrove plant kandelia candel extraction method based on percentile is designed by using Sentinel-1 / 2 time sequence remote sensing data, and high-precision extraction of the mangrove plant kandelia candel with plaque fragmentation and large scale is realized. The result shows that the spatial distribution condition of the kandelia candel community provides data support for mangrove forest ecological restoration, blue carbon evaluation, ecological system service evaluation and the like.

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 utility model discloses a coastal wetland soil nitrogen pollution monitoring experiment device based on convenient reloading, which comprises a device main body, a bed rock is arranged at the bottom of the device main body, and a fluorescent lamp, a controller and a monitor are arranged on the device main body. A first planting area, a second planting area, a third planting area and a fourth planting area are arranged on one side of the bottom of the device main body, sampling ports are formed in the bottoms of the planting areas, and the nitrogen loss conditions of mangrove plants in different real natural environments are discussed by continuously simulating a coastal wetland construction system through rapid material changing; the method has the characteristics of convenience in sampling, easiness in analysis of experimental results, low cost and the like; the device integrates functions of tide, sea wave and the like; physical and chemical properties of soil and seawater can be directly displayed on a controller panel, semi-automatic control of an experiment can be realized through an operation process preset in the controller, and time and energy consumption of experimenters is reduced.

The utility model relates to the technical field of mangrove planting, and discloses a mangrove plant planting device which comprises a baffle used for avoiding soil loss, a positioning seat used for locking the baffle and a connecting assembly used for adjusting the position of the positioning seat. The connecting assembly comprises a center base used for loading and supporting the contained structure, a driving gear rotationally arranged in the center base, a gear shaft rod fixedly installed on the driving gear, and a first rotating rod rotationally arranged on the gear shaft rod, wherein a connecting rod and a driven rack are arranged on the center base in a sliding mode. The end, away from the center base, of the connecting rod and the end, away from the center base, of the driven rack are fixedly connected with the positioning base. According to the mangrove plant planting device, the positioning seats are arranged to limit the positions of the baffles, the multiple baffles form a frame structure, the frame structure is inserted into the mud flat, protection is provided, soil around the saplings is prevented from being lost, the cultivation effect of the saplings is guaranteed, and then the survival rate of planting of the mangrove saplings is increased.

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.

The invention discloses a field returning method for endangered mangrove plant coriaria occulta, and belongs to the technical field of field returning of rare and endangered plants, and the field returning method comprises the steps of seed collection and treatment, seed germination, strong seedling culture, field domestication, field returning planting and the like. And the survival rate of the seedlings and the quality of the seedlings are greatly improved through steps and measures such as temperature training and salinity domestication. The method solves the problems of difficult seed germination, poor nursery stock quality, low survival rate, poor natural renewal and the like of mangrove forest plant coriaria occidentalis at present.

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 present invention discloses a tidal planting device, which relates to the technical field of planting devices. It includes a housing, a planting pot, a pressure regulation module, a power supply module and a control unit. A sealed water storage tank is arranged below the housing and is open at the top. The planting pot is sleeved inside the housing and is located above the water storage tank. The water storage tank is communicated with the bottom of the planting pot through a water pipe. The water storage tank is communicated with the outside atmosphere through the pressure regulation module. The pressure regulation module and the control unit are both electrically connected to the power supply module, and the pressure regulation module is electrically connected to the control unit. The present invention uses air pressure to press the water in the water storage tank into the planting pot, and can control the ebb and flow of the simulated tide through the control unit to realize functions such as automatic irrigation and water replenishment, water shortage prompt, etc. It is not only suitable for ordinary potted plants, but also more suitable for planting plants (mangrove plants) growing in the intertidal zone, and can also make the transplanting operation simple and the survival rate high.

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 discloses a rapid detection method for 27 steroid hormones in mangrove plants. The method comprises the following steps: S1, putting a mangrove plant sample subjected to freeze drying, grinding and sieving into a centrifugal tube A, and then adding an isotope internal standard for balancing; adding acetonitrile, carrying out vortex, ultrasonic extraction and centrifugation, and taking supernate; s2, methanol and acetonitrile are sequentially added, vortex, ultrasonic extraction and centrifugation are performed, and supernate obtained after acetonitrile extraction in the S1, supernate obtained after methanol extraction in the S2 and supernate obtained after acetonitrile extraction in the S2 are combined; s3, transferring the supernate into a centrifugal tube B containing filler, carrying out vortex centrifugation, and putting the supernate into a glass test tube; s4, extracting the filler in S3 again by using acetonitrile, carrying out vortex centrifugation, and combining the two supernatants in a glass test tube; s5, carrying out nitrogen blowing concentration on the solution in the glass test tube, and fixing the volume in methanol; s6, determining the steroid hormones and the metabolites thereof by using high performance liquid chromatography-tandem mass spectrometry, and obtaining the content level of the steroid hormones and the metabolites thereof in the plants through data analysis and quantitative 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 utility model relates to the technical field of mangrove plant planting, and provides a mangrove plant planting device suitable for a coastal zone, the mangrove plant planting device comprises a planting assembly, the planting assembly comprises a box body, clamping grooves and water permeable holes, the bottom of the box body is uniformly provided with the water permeable holes, the corners of the top of the box body are all provided with the clamping grooves, and the water permeable holes are communicated with the clamping grooves. And a sunshade structure is arranged at the top end of the box body. By arranging the sunshade structure, the movable plate is moved through the handle, the movable plate drives the movable base to move on the outer side of the support, the movable plate drives the sunshade cloth to cover plants in the box body, the movable plate drives the rubber balls to penetrate through the interior of the support through the fixing columns, and under the action of the rubber balls, the sunshade cloth is conveniently limited; meanwhile, the fixing column and the support can be conveniently separated from each other, the function that the mangrove plant planting device is convenient to shade the sun is achieved, and therefore the applicability of the mangrove plant planting device suitable for the coastal zone in the using process is improved.

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 invention provides a fresh water cultivation method for female mangrove plant canarium pimela, which comprises the following steps: (1) seed treatment: taking female canarium pimela seeds, and performing seed soaking treatment by adopting a seed soaking solution; performing sterilization treatment after seed soaking, and drying in the shade; the seed soaking liquid is black false hellebore leaf extract with the mass concentration of 20-30% (2) sowing: preparing a seedling raising substrate, and dibbling seeds in a seedling raising bag containing the seedling raising substrate; the seedling raising substrate contains sandy loam, livestock manure, leavening and phosphate fertilizer; the formula of the fermentation product comprises dry cow dung, livistona chinensis leaves, urea and bacillus flexus bacterial liquid; (3) seedling stage management. According to the method, the germination rate, the seedling height and the survival rate of the female sea olive in the fresh water environment are effectively guaranteed and promoted, the germination rate reaches 97% or above, the seedling height reaches 57 cm after seedling raising is conducted for 6 months, and the survival rate reaches 96% or above.

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.