57 results about "Seagrass" patented technology

The invention provides a leisure-cultivation-environmental protection integrated marine ranch. The marine ranch located in surrounding waters near coastlines comprises a cultivation region formed by encircling of a plurality of cone-shaped cultivation net cages, wherein aquatic products are cultivated in the cultivation net cages; artificial fish reef rows are accumulated in waters close to the periphery of the cultivation region, and sea grass and/or seaweeds grow on the artificial fish reef rows and in waters in the bottom of the cultivation region; and an automatic feeding device and a leisure wharf boat are arranged in the cultivation region formed by encircling of the cultivation net cages. Based on an ecological circulating system marine ranch and recreational fishery, the invention provides the marine ranch system which is the novel marine fishery production mode for management by making full use of modern science and technology. The ecological environment of the waters is optimized by repairing and constructing habitats of aquatic organisms and a win-win state of mutually promoting joint development of low-carbon environment protection and tourist industry is achieved by combining artificial cultivation and leisure tourism, so that better economical benefit, ecological benefit and social benefit are obtained.

The invention discloses a feeding method of reducing the disease and insect pest occurrence of stichopus japonicus. The method comprises the steps of building a stichopus japonicus feeding pond and a substratum; building the pond suitable for the growth of the stichopus japonicus and throwing stichopus japonicus seedlings into the pond by combining with the actual conditions according to the biological habit requirements of the stichopus japonicus; under the general condition, the state that big seedlings of over 600 heads/kg are thrown in the pond in a specification of 10 heads/m<2> to 20 heads/m<2> is proper, and if the specification is larger, the throwing amount in unit area can be smaller; the feeding feed formula comprises 20-25 parts of animal protein hydrolysate dry powder, 15-20 parts of meat and bone meal, 20-22 parts of soybean meal, 4-6 parts of honeysuckle, 2-3 parts of medicated leaven, 3-5 parts of angelica sinensis, 2-3 parts of soya bean lecithin, 1-2 parts of alginate-derived oligosaccharide, 1-2 parts of vitamin C, 1-2 parts of spirulina, 2-3 parts of lupulus, 3-5 parts of tea saponin, 2-3 parts of fructus cnidii, 3-4 parts of fructus ulmi, 1-2 parts of golden larch bark. The management of the stichopus japonicus seedlings is that when winter comes, the water depth of the pond is properly increased, and the change of dissolved oxygen and substrate and the prevention and control of seaweeds must be paid attention to; when the water temperature of the pond rises at spring, the transparency of the water is reduced by fertilizing the water, and the breeding of the seaweeds is controlled.

[Object] To provide a solid fuel suitable for thermal power generation by making use of the residue left after beneficial seeds, grains or bulbs are collected.

[Solution] A solid fuel which comprises a composition containing 70 wt % or more, on dry basis, of dried Arundo donax, Leucaena leucocephala, Saccharum officinarum, Manihot esculenta, straw, seaweed, seagrass or algae and which is hot compression molded.

The invention provides a storage device for transplanted seaweed. The device comprises a lower bottom plate and a top cover plate, wherein the lower bottom plate and the top cover plate are connected through four upright posts, and through holes are formed on the surface of the top cover plate. The device is characterized in that four upper vertical plates connected with the top cover plate and four lower vertical plates connected with the lower bottom plate are arranged among the upright posts respectively; meshes are arranged between the upper vertical plates and the corresponding lower vertical plates; and a gas bag with gas inflation and exhaust valves is fixed under the top cover plate. The gas bag is inflated by compressed air carried by a diver so that the device rises, or the gas bag is deflated to ensure that the device keeps neutral equilibrium or the device is sunk to facilitate transportation. Seawater in the lower vertical plates is pumped to the through holes on the top cover plate by a water pump and then sprayed downwards to form circulation, so that the seaweed leaves accumulated on the lower bottom plate can keep wet. The storage device has simple structure, low cost and firmness and durability, is convenient to use, saves time for taking and placing the seaweed, greatly reduces the cost for seaweed transplantation and improves the efficiency for collecting and planting the seaweed and the survival rate of the transplanted seaweed.

The invention relates to an artificial algal reef for algae adhesion and seaweed transplantation. A reef body is a three-dimensional structure made of pervious concrete with a porosity of 15%-25%, six sides of the reef body are hollow, flow blocking plates are arranged on four sides of the reef body, a gentle water flow environment is created by an area encircled by the four flow blocking plates and is used for seaweed plant transplantation, the flow blocking plates and the reef body are integrally poured, bundling holes are arranged on two sides of the flow blocking plates and can be used for bundling scallop shell cages or oyster shell cages, algae adhesion effect is further improved, functions of the algal reef are expanded, and fixing strips are arranged at the bottoms of four corners of the reef body and are integrally poured with the reef body so as to guarantee stability after the reef body is placed into the sea. The artificial algal reef is low in cost, stable in structure and good in water permeability, the surface is rough to be favorable for algae adhesion, the gentle water flow environment created by the flow blocking plates is favorable for survival of transplanted seaweed plants, and after placed into the sea, the reef body is high in stability, multi-functional and expandable.

The invention discloses a seabed volcanic rock sampling device for marine mineral exploration. The sampling device comprises a sampling body, and connecting rings which are annularly distributed at equal intervals are welded on the outer wall of the top of the sampling body, and fixed blocks which are annularly distributed at equal intervals are welded on the outer wall of one side of the samplingbody; connecting lugs which are annularly distributed at equal intervals are welded at the edge of the outer wall of the bottom of the sampling body; circular through holes are formed in the outer walls of one sides of the connecting lugs, bending arms are inserted into the circular through holes, damping legs are welded to the outer walls of the bottoms of the bending arms, supporting legs are welded to the outer walls of the bottoms of the damping legs, antiskid lines are formed in the outer walls of the bottoms of the supporting legs, damping rods are arranged on the outer walls of the bottoms of the fixing blocks, and shaft sleeves are welded to the bottom ends of the damping rods. Marine organisms such as coral and sea grass around the surface layer of the sampling layer can be crushed and removed, and the situation that the sampling layer is broken in the sampling drilling process, the sampling layer is damaged, and the sampling result is affected can be prevented.

The invention provides a multifunctional sea cucumber culture method. The specific culture method comprises the steps that a pond is reconstructed, the bottom of the pond is paved with mud and sand, aquatic plants are cultured in the mud and sand, and sea cucumber attachment reefs are dropped into the pond and attached to reefs; sludge at the bottom of the pond is thoroughly cleared away, disinfection and fertilization are carried out, and a good ecological environment is created for the sea cucumbers, jellyfishes and prawns entering the pond; the sea cucumber dropping specification is 40-400 per kilogram. According to the multifunctional sea cucumber culture method, the sea cucumbers, the jellyfishes and the prawns are subjected to mixed aquaculture; in the culture process, the jellyfishes are weak-light bionts and live in the middle layer of the culture pond; the prawns live in the mud and sand; the sea cucumbers grow on the reefs and the aquatic plants in an attachment mode. The jellyfishes eat substances harmful to the sea cucumbers as bait, the sea cucumbers are prevented from being affected, and healthy growth of the sea cucumbers is guaranteed. The jellyfishes mainly eat hydroplanktons. The prawns eat artificial diet during culturing. The hydroplanktons eat excrement of the prawns. The sea cucumbers, the jellyfishes and the prawns can grow more quickly and healthily through mutual support.

The invention discloses a seaweed transplanting device and seaweed transplanting method applied to coral debris bottom materials. The seaweed transplanting device comprises a plant growth tank and a plant wave-resistant hood capable of covering the plant growth tank, wherein the plant growth tank comprises ambient side frames and a lower bottom plate; lower bottom side supporting plates are respectively fixed to the lower part of a left side frame and the lower part of a right side frame, wherein the left side frame and the right side frame are opposite, a lower bottom plate inlet and outlet is formed in a position under a front side frame, the lower bottom plate is placed on the lower bottom side supporting plate, and the front end of the lower bottom plate penetrates out of the lower bottom plate inlet and outlet; the plant wave-resistant hood is a hood with an opening in the lower part, and comprises a frame body and a net covering the frame body; the shape of the opening in the lower part of the plant wave-resistant hood is adapted to the shape of the ambient side frames of the plant growth tank; a plurality of fixing ropes are also connected to the lower part of the plant wave-resistant hood; a door which can be opened and closed is arranged on the plant wave-resistant hood. The seaweed transplanting device applied to the coral debris bottom materials can be beneficial to fixation and combination of seaweed plants in the coral debris bottom materials, and the survival rate of transplanted seaweed is increased.

The invention relates to a complete nutrition broiler feed. The raw material formula of the feed comprises rice bran, corn flour, peanut meal, soybean meal, dry powder of a banana skin water boiling soup, calcium hydrogen phosphate, peony cake, periostracum serpentis, Radix Astragali powder, sodium chloride, a premix, fishbone meal, sea grass powder, Radix Ophiopogonis, cottonseed meal, seaweed powder, wheat bran powder, trace elements, honeysuckle flower, Rhizoma Polygoni Cuspidati, a composite enzyme preparation, ferrous sulfate, zinc sulfate, methionine, lysine, calcium iodate, flour weevil and cucumber seed powder. The feed has the advantages of balanced nutrition, improvement of the meat quality of broilers, improvement of the disease resistance of the broilers, and drug dosage reduction.

The invention discloses a method for repairing a seaweed bed in a marine ecosystem, relates to the technical field of environmental governance, and is characterized by comprising the steps of seedlingselection, transplanting preparation, transplanting management, fertilization management and monitoring management, the historical distribution type of seaweed is selected through matching, and seaweed bed repairing is carried out in an appropriate, stable and historical reference area; the survival rate and the growth quality are good. Through a scientific forest thinning technology, the growthof original communities is not influenced, the healthy growth of the original communities is promoted, and the allopatric propagation effect of seaweed is remarkably improved; through substrate fixation optimization, microenvironment water flow is slowed down, suspended solids are settled, nutritive salt is caught, the effects of stabilizing the substrate and fixing seaweed plants are achieved, meanwhile, the iron ion concentration of a plant growth limiting factor in the sea is increased, and seaweed growth is promoted. Root and stem management and leaf trimming management are conducted on seaweed, stable damage of hydrodynamic force to the seaweed is reduced, it is guaranteed that roots, stems and tender leaves of seaweed plants fully absorb nutrition, and the survival rate of the seaweed is increased.

The invention provides a mounting method of an acoustic log, which comprises the following steps of: A, introducing a corrected ship body center line into a mounting cabin, marking a straight line vertical to a bow and stern marker line at a mounting rib position, and marking a base mounting center on the cabin ground; B, aligning the center of a base with the marked base mounting center, aligningthe bow and stern line of the base with the bow and stern marker line on the cabin ground, and then welding the base to the cabin ground; C, checking the mounting quality of the base, and ensuring that the mounting direction of the base meets the precision requirement; and D, placing the acoustic log in the base, and completing sealed installation of the acoustic log. The mounding method of the acoustic log has the beneficial effects that the mounding method of the acoustic log is provided, the problems that in the prior art, a rod type sensor of an electromagnetic log extends out of the bottom of a ship for speed measurement, seaweeds are prone to being hooked, breaking is caused, and the rod type sensor is prone to being affected by turbulent flow are solved, and the acoustic log can provide the speed to the ground and the transverse moving speed of the ship; and the navigation precision of ship navigation equipment is improved to a certain extent.

The invention relates to a penicillium purpurogenum DB1 strain and preparation and application thereof. A preparation method of the strain comprises the following steps of: (1) putting rotten seaweed into an enriched medium for stationary culture at room temperature, coating the enriched medium onto an isolation medium, and stationary culture for 1-4 days at 30 DEG C to obtain a wild flax biological treatment strain; (2) inoculating the strain obtained in the step (1) into a flax lignin enriched medium, and culturing at 28 DEG C for 72 hours; and (3) selecting a strain with lignin degrading capability from the flax lignin enriched medium to obtain the penicillium purpurogenum DB1 strain. The penicillium purpurogenum DB1 strain can be applied to preparation processes of flax, hemp, jute orred jute fiber for spinning by degumming with peroxides. The strain has the advantages of short growing period, difficultly polluted, low treatment cost, good fiber quality after treatment, mild reaction condition, high heat resistance and environmental friendliness; and the strain has a simple process and is suitable for mass industrial production.

The invention relates to an eelgrass sowing proliferation method, and belongs to the technical field of marine resource repairing. The method comprises the steps that eelgrass seeds are put into clods, the clods form sowing units after being placed in air, and the height of the clods is not larger than 3 cm; the eelgrass seeds are sown into a subtidal zone silt substrate sowing proliferation water area by taking the sowing units as units to cover a substrate, and in the sowing proliferation water area of the eelgrass seeds, the sowing depth from the silt substrate in the sowing water area to the sea surface is not larger than 1 m at low tide. According to the sowing proliferation method, the retention rate of the eelgrass seeds is significantly increased, the average germination rate and the average seedling tree establishment rate are both increased, and the problems of seaweed proliferation and damaged seaweed bed recovery can be effectively solved.

The invention relates to an indoor stacked artificial seaweed breeding device. The device comprises a seawater container, a seaweed attaching frame and a light frame. Convection pumps are arranged at two ends of the seawater container respectively; the seaweed attaching frame is in a multi-layer grid structure, and meshes of each layer of grid become larger gradually from top to bottom; and the light frame is composed of a lamp holder, a support and suspension ropes, wherein dedicated seaweed lamps are arranged on the lamp holder which is fixedly connected with the support, and the suspension ropes are arranged on the support. According to the indoor stacked artificial seaweed breeding device, the structure is simple, the installation is convenient, the cost is low, and the device is durable; by simulation of natural environments, the seaweed breeding efficiency can be improved, the seaweed breeding cannot be limited by external conditions easily, lots of seaweeds can be bred indoor rapidly, and an effective approach for protection and artificial restoration is provided.

The invention discloses a transplanting device and a construction method of a temperate zone rock reef matrix seaweed bed, and relates to the technical field of seaweed transplanting. The transplanting device comprises three-dimensional structures, plane grooves are formed in top parts of the three-dimensional structures, and transplanted plants are bonded and fixed in the plane grooves; a side face of each three-dimensional structure is provided with an inserting component used for being connected with the adjacent three-dimensional structure in an inserted mode; and a seed intercepting device is arranged on one side of a downstream of the three-dimensional structure. The construction method can solve problems that existing transplanted plants have a small adhesive force and are prone todamage, meanwhile, transplanting devices can be freely combined and connected in an inserted mode, and defects that natural reefs are uneven in distribution and seaweed beds are broken are effectivelyovercome; and besides, seeds of phyllospadix can be effectively intercepted through an arrangement of the seed intercepting device, natural expanding propagation of the phyllospadix is facilitated, finally a successful establishment of the temperate zone rock reef matrix seaweed bed is achieved, and practicability is high.

The invention discloses feed for scylla serrata. The feed is prepared from the following materials in parts by weight: 100-200 parts of fish meal, 50-100 parts of crab-shell and shrimp-shell extract, 30-50 parts of soybean protein powder, 30-50 parts of expanded corn flour, 10-20 parts of oyster shell power, 10-20 parts of earthworm powder, 15-25 parts of bone meal, 20-30 parts of hair weeds, 10-20 parts of pueraria starch, 7-15 parts of seaweed, 20-30 parts of sea algae, 1-5 parts of yeast powder, 50-100 parts of milk and 10-20 parts of additives. The feed disclosed by the invention has the advantages that due to addition of the hair weeds, sea algae and seaweed, natural nutritional components of the feed can be added, and the scylla serrata can be induced to eat more feed; in addition, the pueraria starch is added, so that the bonding property of the materials is improved and the water pollution is reduced; and since multiple vitamins, trace elements and corn germ oil are contained in the additives, the anti-stress capability and the organism immunity of the scylla serrata can be adjusted and improved, and the prevalence rate of the scylla serrata can be reduced.

The invention relates to bait for trapping sweet fishes in an inebriating mode, which comprises the following ingredients: 500g of buddleia, 300g of plantain, 250g of ordate houttuynia, 500g of illicium simonsii, 500g of rhododendron molle, 200g of dry kelp, 300g of seaweed, 300g of dry fish powder, 150g of shrimp powder, 200g of dry loach powder, 3,000g of fresh chicken blood and 12,000g of paddy. The preparation method comprises the following steps: the buddleia, the plantain, the ordate houttuynia, the illicium simonsii, the rhododendron molle, the dry kelp, the seaweed, the dry fish powder, the shrimp powder and the dry loach powder are respectively put on clean places to be laid, aired and then mixed in proportion; the mixture is put in a pulverizer to be pulverized into fine powder, and the fine powder is put in a container to be sealed; the crude paddy is put in a pot, and water is added to the pot to boil the crude paddy, wherein the ratio of the water to the crude paddy is 1:0.5 to 1:0.6; when the paddy which is put in the pot is just boiled, the processed Chinese herbal medicines in the container are completely poured into the pot and uniformly stirred with a shovel to enable each boiled paddy grain to be pasted with medicinal powder; the mixture in the pot which is covered is boiled with soft fire for 20 minutes, and then, the fire is extinguished; and the prepared fresh chicken blood is added into the pot and uniformly stirred up and down, and then, the pot is covered and sealed for 2 hours for use.

The invention provides an intertidal zone three-dimensional restoration method, and relates to the field of intertidal zone treatment. The intertidal zone three-dimensional restoration method comprises the following steps of mowing spartina alterniflora, and performing dam flooding to kill plants; conducting high tidal flat suaeda salsa repairing, using overground parts of the plants of the spartina alterniflora for arranging terrain, sowing suaeda salsa seeds on a shallow layer of a supratidal zone, and creating a micro-terrain to intercept the suaeda salsa seeds; conducting low-tide-level seaweed bed repairing, and treating a low-tide-beach seaweed bed degradation area; and conducting enhancement and releasing of benthic organism seedlings to restore mudflat benthic animals. By mowing and flooding the spartina alterniflora, the overground parts of the plants can be recovered and utilized through suaeda salsa, the benthic animals are recovered after high tidal flat suaeda salsa repairing and low tidal level seaweed bed repairing are conducted, three-dimensional repairing of an intertidal zone is completed, and the diversity of the intertidal zone is recovered.

The invention relates to a control method of advanced invasive plants in the ecological remediation field of seaweed beds in intertidal zones, and specifically relates to a control method of invasiveplants, namely Spartina alterniflora Loisel in the intertidal zones. A control device of the Spartina alterniflora Loisel is provided with PVC boards and U-shaped steel nails for fixation. After withered Spartina alterniflora Loisel residue in a region is manually removed in an early growth stage (from March to April) of the Spartina alterniflora Loisel in a temperate-zone sea area, a layer of thePVC boards is uniformly and flatly laid close to the surface of earth, and two adjacent PVC boards are fixedly linked together through the U-shaped steel nails. The PVC boards are lightproof and arecapable of effectively preventing growth and propagation of the Spartina alterniflora Loisel. By utilizing the control method, the invasive plants can be effectively controlled; by combining with thesimple, convenient and effective control device of the Spartina alterniflora Loisel, the seaweed beds in the intertidal zones can be conveniently and rapidly remediated or reconstructed; and meanwhile, the PVC boards are capable of durably resisting stormy waves for two or more years and can be repeatedly used after recycling, so that the cost can be saved, the control method is economic and environment-friendly, and sea areas are not polluted.

The invention relates to the technical field of microbial preparations, in particular to marine bacteria for producing cellulase, a microbial preparation of the marine bacteria and a degradation method of natural cellulose. The preservation number of the marine bacteria for producing the cellulase is CCTCC No: M20191040. Cellulase-producing spore bacteria suitable for tropical prawn mariculture environments such as Hainan are screened from a Hainan hay bed ecosystem in China, and basic evaluation of application of the cellulase-producing spore bacteria is carried out; therefore, a foundation is laid for developing a marine microbial preparation efficiently utilizing cheap cellulose and constructing a prawn mariculture mode of artificially adding cheap artificial carbon sources such as bagasse.