32 results about "Marine algaes" patented technology

The invention provides a wind and wave preventing fish and alga reef. The wind and wave preventing fish and alga reef has no high requirement for the transparency of sea water in a sea area and can effectively solve the problem that an alga reef floats along with waves on a sea surface and thus damages the growth on the alga reef. The wind and wave preventing fish and alga reef comprises a fish reef body which sinks to a seabed and an alga reef body suspended in water. The buoyancy of the alga reef body is greater than the gravity and the alga reef body is connected with the fish reef body via a connecting rope. The alga reef body comprises an alga reef rack body and a plurality of alga attachment structures arranged on the alga reef rack body. Each alga attachment structure comprises a vertical installing rod arranged on the alga reef rack body, a spherical alga reef rack with an upward opening and a plurality of alga attachment bases arranged on the spherical alga reef rack, wherein the spherical alga reef rack is provided with a vertical installing sleeve matching the vertical installing rod and is installed on the corresponding vertical installing rod via the vertical installing sleeve, and the vertical installing rod is also provided with a locking nut used for locking the vertical installing sleeve.

The invention relates to an ecological method for restoring eutrophication enclosure sea area by Gracilaria Greville macrophyte. The ecological method for restoring eutrophication enclosure sea area mainly comprises the following steps: collecting the seedlings of Gracilaria, Gracilaria seedling transportation, domestication in sea area, building a dam and enclosing sea in eutrophication sea area, cutting off the tide of the open sea and carrying out ecological restoration. After the Gracilaria which is cultivated in a large scale in the eutrophication sea area is introduced and cultivated, the Gracilaria can absorb the superfluous dissolution-typed nutrient salt with a great deal for supplying for self-growth, can restrain the explosible growth of monoplast algae meanwhile and can also absorb mud and sand; the Gracilaria can be gained again so as to transfer the nutrient matters in water body out of a pollution system, improve the water quantity and restore the ecology of the sea area; the water body after ecological restoration is exchanged with the environment again, thus achieving the purpose of relieving and eliminating eutrophication of the sea area, eliminating eutrophication can be realized gradually, meanwhile higher economic value can be produced. The method is applicable to carrying out ecological restoration for the eutrophication enclosure sea area.

The invention discloses a suspended artificial algal reef device and aims at providing a suspended artificial algal reef device having not high requirement for seawater transparency in a sea area and capable of effectively solving the problem that a floating algal reef floats with sea surface waves and easily damages algae growing on the algal reef and the whole algal reef is damaged in severe weathers such as typhoon. The suspended artificial algal reef device comprises a counter weight anchor suspended on an algal reef body in water, a trigger floating frame floating on the water surface and located above the algal reef body and a sedimentation triggering device, wherein the algal reef body is connected with the counter weight anchor through a connecting rope and comprises an algal reef frame body, a buoyancy device arranged on the algal reef frame body and a first vertical guiding sleeve, and a vertical guide rod matched with the first vertical guiding sleeve is arranged on the trigger floating frame.

The invention discloses a factory-like pearl culture system. With worsening of seaculture environments, seashore benches and neritic regions are no longer the only place for pearl culture, and factory-like pearl culture is a good choice. The factory-like pearl culture system is composed of a water pump house, an algal culture pond, a seawater filtering tank, a fresh water filtering tank and a pearl culture pond. Pearl shell seedlings are put in the pearl culture pond, filtered seawater according with seawater salinity, power of hydrogen and temperatures is injected into the pearl culture pond through a pipeline, seawater with algae is also injected into the pearl culture pond through a pipeline, and the algae are used for pearl shell culture. The factory-like pearl culture system integrates scientific research, ecology, culture and demonstration, factory-like pearl culture fundamentally solves the problem of environmental pollution in sea farming in the prior art and is free from influences of natural environment, tests show that the survival rate of pearls cultured through the factory-like pearl culture system reaches more than 95%, the rate of finished products also reaches more than 95%, and the factory-like pearl culture system represents one development direction of pearl culture.

The invention discloses a complex culture device for shellfish and algae. The complex culture device for the shellfish and algae is low in requirement for the transparency of seawater in a sea area and can effectively solve the problem that algal reef floats along with waves of the sea surface, so that growth on the algal reef is damaged. The device comprises a balance weight anchor, a shellfish culture floating frame and an algal reef body. The balance weight anchor sinks to a seabed; the shellfish culture floating frame suspends in water and connected with the balance weight anchor through a connecting rope, and multiple shellfish culture boxes are arranged on the shellfish culture floating frame; the algal reef body suspends in the water and located above the shellfish culture floating frame; the algal reef body comprises an algal reef frame body and floating devices arranged on the algal reef frame body which is provided with multiple alga attaching substrate, and the algal reef frame body is connected with the shellfish culture floating frame body through connecting parts.

The invention provides a design mode for types and spatial positions of coral reef forming organisms. The invention adopts a technical scheme that comprises: 1) selecting an active coral reef and spatial position of the active coral reef in a small coral reef ecological ornamental tank; 2) selecting the main producer, namely kelp, in the small coral reef ecological ornamental tank and the spatial position of the kelp; 3) selecting consumer organisms in the small coral reef ecological ornamental tank and the spatial position of the consumer organisms; 4) selecting coelenterates which coexist with zooxanthella in the small coral reef ecological ornamental tank and the spatial position of the coelenterates; and 5) determining species which are not suggested to be grown in the small coral reef ecological ornamental tank. In the invention, based on the design of the biological functions of a coral reef ecological system, abiotic protective directories for different ecological niches and coral reef organisms which can be propagated artificially are selected with greatest effort and different spatial positions are designed reasonably, so that the small coral reef ecological ornamental tank becomes an artificial micro coral reef; and thus, the ornamental tank has an ornamental effect, is favorable for healthy breeding and maintains, protects coral reef from being damaged greatly and is legal.

The invention discloses a floating stormy wave-proof algal reef, and aims to provide a floating stormy wave-proof algal reef which not only can propagate in the middle layer, the middle upper layer or the middle lower layer of a water area by controlling the suspending depth of the algal reef, but also can effectively avoid algae attached to the algal reef from being destroyed by fierce up-and-down floating of the suspending algal reef due to relatively large fluctuation of sea waves. The floating stormy wave-proof algal reef comprises a floating device, a stormy wave-proof fusing device fixed below the floating device through a hanging rod, and an algal reef supporting body, wherein the stormy wave-proof fusing device comprises a reverse U-shaped supporting frame, two parallel longitudinal guide sleeves, longitudinal guide rods arranged inside the two longitudinal guide sleeves respectively, transverse guide sleeves arranged at the upper ends of the two longitudinal guide rods respectively, a shaft rod rotatably arranged inside the transverse guide sleeves, a reel fixed on the shaft rod, and a connecting rope reeled on the reel; the algal reef supporting body is hung below the stormy wave-proof fusing device through the connecting rope; one end of the connecting rope is fixed on the reel; the other end of the connecting rope is connected with the algal reef supporting body.

The invention discloses an anti-sediment and anti-wind-wave algae reef, and aims at providing the anti-sediment and anti-wind-wave algae reef which cannot be influenced by waves on the sea surface, has low requirements for the transparency of sea water in a sea area, is not covered by sediment, and can achieve wide-area transplanting and enlarge the restoration area of an algae field. The algae reef comprises a sedimentation counterweight base, an algae reef body which is suspended in water and a connecting rope which is connected with the sedimentation counterweight base and the algae reef body. The algae reef body comprises a support frame, a plurality of buoyancy blocks, a plurality of vertical mounting rods and a plurality of hemispherical algae reef frames with upward openings, wherein the buoyancy blocks and the vertical mounting rods are arranged on the support frame, the hemispherical algae reef frames correspond to the vertical mounting rods one to one, the hemispherical algae reef frames are provided with vertical mounting sleeves which are matched with the vertical mounting rods, the vertical mounting rods are further provided with locking nuts for locking the vertical mounting sleeves, the locking nuts are arranged above the vertical mounting sleeves, and the hemispherical algae reef frames are provided with a plurality of algae adhesion substrates.

The invention discloses an artificial algae field. The artificial algae field is characterized by comprising a plurality of algal reefs which are connected together by a fixed rope, wherein a seedling hanging net is fixed between the algal reefs; a grown algae is suspended on the seedling hanging net; algae seedlings are attached to the algal reefs. By adopting a form of combining the algal reefs with the seedling hanging net, the algae seedlings and the grown algae are simultaneously led to the seafloor; the leading-in effect of the algae is ensured; the building cycle of the algae field is shortened. The required building material is cheap and available; the seedlings are suspended by a polythene net, so that the density of the led-in algae is greatly improved; the capability of tolerating biological food pollution is improved; the algal reefs are orderly connected together by using the fixed rope; the capability of withstanding stormy waves is improved; the algal reefs adopt the form of combining mother reefs with son reefs, so that the artificial algae field is convenient to transport, the work amount is reduced, and the success rate of building the algae field is greatly improved.

The present invention relates to algae cultivating technology, and is especially the method of cultivating Porphyra haitanensis and Porphyra yezoensis alternately in the laver cultivating area. The method can raise the utilization of cultivation area and cultivation apparatus and raise production.

The invention discloses a multifunctional artificial algal reef, and aims at providing a multifunctional artificial algal reef with which sediment accumulation on main reef surface can be effectively prevented, algal reef surface sediment can be effectively removed, and the influence of the sediment to algae attachment and growth can be avoided. The artificial algal reef comprises a main reef and a plurality of sub reefs arranged on the top surface of the main reef. The top surface of the main reef is a spherical surface protruding upwards. The sub reefs are connected to the main reef through connection columns. Spaces are provided between the sub reefs and the top surface of the main reef. Threads preventing conch and sea urchin climbing are arranged on the connection columns and between the sub reefs and the top surface of the main reef. The invention also discloses a multifunctional artificial algal reef manufacturing method with which algae young sporophyte attachment efficiency under natural conditions can be improved.

The invention relates to an artificial algal reef which can avoid being damaged by sea urchin. The invention is characterized in that; the reef is formed by several accumulated reef discs into cylinder or square structure, while the section of circumference is in saw shape, and the upper part of reed is concave-convex face. The invention has the advantages in the prevention of sea urchin, to protect the algal, with simple structure, low cost and easy production, while it can add glass slag on the face to apply the growth of algal.

The invention belongs to the technical field of marine organisms, and relates to a preparation for removing epiphytic algae from an alga body and an application thereof. The preparation for removing adherent unwanted algae from an alga body is a plant herbicide. The preparation for removing adherent unwanted algae from an alga body is mixed with seawater, and then the alga body is immersed in seawater to remove adherent unwanted algae, wherein 1-5 g of preparations are added into 1 liter of seawater, and the immersion time is 5-10 minutes. The preparation for inhibiting epiphytic algae of theinvention is a plant herbicide; the action mechanism is that primary reactions of photosynthesis of epiphytic unwanted algae is inhibited, and PSII and the shikimic acid cycle at the photosynthetic reaction center, which prevent metabolic disorder due to drug absorption of glue-producing algae, are mainly inhibited; the preparation of the invention has strong specificity, is economical and effective, has simple operation; epiphytic unwanted algae on the alga body are observed to be withered, shrunk, dry and dead within several days; the purposes of inhibiting epiphytic unwanted algae and keeping glue-producing algae alive are reached; and the contaminated glue-producing algae are recovered to have smooth surfaces and can grow healthily again.

The invention discloses a sedimentation type artificial reef structure which aims for settling defects of single function, easy blockage after use for a certain time period, and incapability of promoting gathering living of a fish swarm in an existing artificial reef. The sedimentation type artificial reef structure comprises an alga culturing substrate and a reef substrate. A pull rope is connected between the alga culturing substrate and the reef substrate. The alga culturing substrate is connected with impact balls which are used for being impacted with the reef substrate. The reef substrate is provided with high-pressure gas for flushing a fish sheltering chamber. The impact balls trigger a rebound mechanism. The rebound mechanism cuts an air cover to open. The high-pressure gas is discharged for flushing the fish sheltering chamber, thereby preventing blockage of the fish sheltering chamber. The sedimentation type artificial reef structure can provide a place for inhibition, breeding, baiting and sheltering of fish swarms and furthermore can be used for culturing alga, thereby realizing high economic benefit. The fish sheltering chamber in the reef substrate are not easily blocked after coming into service.

The invention discloses a method for collecting and culturing ulva spores, which comprises the following steps: placing mature ulva segments on a glass slide, dropwise adding seawater, irradiating with light with the illumination intensity of 3,500-4,200Lx to stimulate the ulva segments, collecting spores when discovering planospores are released and then culturing the planospores. In the invention, the mature ulva is irradiated by strong light so as to promote the planospores to release and meet the requirement for mass collection. The method for collecting and culturing the ulva spores has simple and practical operation, has low requirement on the mature degree of the ulva, not only stably and continuously provides a great deal of spores with normal growth and development capability for experiments, but also is convenient to observe the attachment and bourgeon status of the spores on large scale, thereby the provided method makes up the blank of the field of ulva spore collection and culture, establishes the technological base for large-scale manual culture and has wide application prospect in the aspects of alga culture, prevention test research, and the like.

The invention relates to a special prawn-flavored essence for bait containing a sea algae extract and a preparation method of the prawn-flavored essence. The prawn-flavored essence is prepared from the sea algae extract, 1,2-propylene glycol and a prawn-flavored essence base material, wherein the prawn-flavored essence base material is mainly prepared from maltol, trimethylamine, phenylethylamine,dimethyl sulfide, butyric acid, benzyl alcohol, octanoic acid, 1-amylene-3-alcohol, acetic acid, dimethyl disulfide, 2,6-lutidine, ethyl maltol and the like. The essence has the advantages that the original fishy smell, grass smell and salty smell of the sea algae extract are utilized to be combined with the prawn-flavored essence base material, so that the fishy smell of the prawn-flavored essence is obvious, wherein the top note is explosive, the body note has obvious prawn flavor characteristics, the basic note is thick, and the smell is lasting; the essence uses the sea algae extract prepared from low-value sea algae to improve the fishy smell, smell sustaining and natural feeling of the essence, is conveniently used in the bait, achieves the effect of improving the scent and the fishy smell, and can improve the allure of the bait to fish to obtain the praise of bait customers.

The invention discloses an algae breeding method based on intergeneric hybridization, which is characterized by using temperature, illumination and other physical conditions and chemical elements in culture solution, such as nitrogen, phosphorus, iron and the like to treat algae gametophyte cells of different genera of Laminariales; synchronously developing different genera of female gametophytes and male gametophytes to form intergeneric heterozygotes; and developing the intergeneric heterozygotes to large sporophytes. The method has the advantages that great differences of forms, yields and economic components (algin, polysaccharides from Dunaliella salina) of different genera of algaes are utilized to culture artificial algae with the comprehensive advantages of two genera of algaes through intergeneric hybridization, thus obtaining novel algae varieties or strains having the advantage of comprehensive economic characters, and improving economic attributes of yield, economic components and the like.

The invention relates to an ecological method for restoring eutrophication enclosure sea area by Gracilaria Greville macrophyte. The ecological method for restoring eutrophication enclosure sea area mainly comprises the following steps: collecting the seedlings of Gracilaria, Gracilaria seedling transportation, domestication in sea area, building a dam and enclosing sea in eutrophication sea area, cutting off the tide of the open sea and carrying out ecological restoration. After the Gracilaria which is cultivated in a large scale in the eutrophication sea area is introduced and cultivated, the Gracilaria can absorb the superfluous dissolution-typed nutrient salt with a great deal for supplying for self-growth, can restrain the explosible growth of monoplast algae meanwhile and can also absorb mud and sand; the Gracilaria can be gained again so as to transfer the nutrient matters in water body out of a pollution system, improve the water quantity and restore the ecology of the sea area; the water body after ecological restoration is exchanged with the environment again, thus achieving the purpose of relieving and eliminating eutrophication of the sea area, eliminating eutrophication can be realized gradually, meanwhile higher economic value can be produced. The method is applicable to carrying out ecological restoration for the eutrophication enclosure sea area.

The invention provides a kelp breeding method based on gamete selection technology, which consists of utilizing the superimposition of bisexual reproduction large-scale sea weed sporinite and gamete generation gene expression, selecting gamete (including gametophyte) generation according to breeding destination, thus screening gamete fitting breeding destination, then cultivating sporophyte meeting breeding purpose by utilizing screened gamete in combination with the algae culturing technique. The invention is characterized by the organic integration of laboratory research and sea experiment, wherein the sea cultivation experiment procedure is reduced, which can increase breeding destination and efficiency substantially.

The invention provides a large-scale algae proliferation device and method for sea cucumber resource conservation. The large-scale algae proliferation device can comprise an algal reef, a collector, sea cucumber reefs and a light collecting device, wherein the algal reef comprises a mother reef and a sub reef detachably arranged on the mother reef, the collector is provided with an upper opening and a lower opening, the mother reef is arranged at the upper side of the collector through a bracket and located at the upper side of the upper opening of the collector, the sea cucumber reefs are arranged at the lower side of the lower opening of the collector, and the light collecting device is arranged on the lower opening of the collector. A sea cucumber conservation area is arranged under proliferated algae while large-scale algae can be proliferated, and fractured algae bodies are collected through the collector to provide bait for sea cucumbers.

The invention discloses a sedimentation type artificial reef structure which aims for settling defects of single function, easy blockage after use for a certain time period, and incapability of promoting gathering living of a fish swarm in an existing artificial reef. The sedimentation type artificial reef structure comprises an alga culturing substrate and a reef substrate. A pull rope is connected between the alga culturing substrate and the reef substrate. The alga culturing substrate is connected with impact balls which are used for being impacted with the reef substrate. The reef substrate is provided with high-pressure gas for flushing a fish sheltering chamber. The impact balls trigger a rebound mechanism. The rebound mechanism cuts an air cover to open. The high-pressure gas is discharged for flushing the fish sheltering chamber, thereby preventing blockage of the fish sheltering chamber. The sedimentation type artificial reef structure can provide a place for inhibition, breeding, baiting and sheltering of fish swarms and furthermore can be used for culturing alga, thereby realizing high economic benefit. The fish sheltering chamber in the reef substrate are not easily blocked after coming into service.

The invention discloses a method for collecting and culturing ulva spores, which comprises the following steps: placing mature ulva segments on a glass slide, dropwise adding seawater, irradiating with light with the illumination intensity of 3,500-4,200Lx to stimulate the ulva segments, collecting spores when discovering planospores are released and then culturing the planospores. In the invention, the mature ulva is irradiated by strong light so as to promote the planospores to release and meet the requirement for mass collection. The method for collecting and culturing the ulva spores has simple and practical operation, has low requirement on the mature degree of the ulva, not only stably and continuously provides a great deal of spores with normal growth and development capability forexperiments, but also is convenient to observe the attachment and bourgeon status of the spores on large scale, thereby the provided method makes up the blank of the field of ulva spore collection and culture, establishes the technological base for large-scale manual culture and has wide application prospect in the aspects of alga culture, prevention test research, and the like.

The invention provides a marine organism growing reef and aims to provide the reef which has advantages of reasonable structure, multiple functions, one-time input of an alga reef and a fish reef, convenient input, relatively high stability after positioning, automatic bait supplement. The marine organism growing reef comprises a main alga reef and a main fish reef. The main alga reef comprises an alga reef net cage platform with a top opening, and an inflatable floating foundation which is connected with the alga reef net cage platform. The main fish reef is provided with a plurality of pre-input growing bases for inputting alga seedlings. The bottom of the inflatable floating foundation is provided with a winding reel. A main suspension cable is wound on the winding reel. One end of the main suspension cable is connected with a winding reel, and the other end downwards extends out for forming a free end. The free end of the main suspension cable is connected with the main fish reef. The main fish reef is provided with a plurality of body connecting rods. The lower end of each body connecting rod is fixed with the main fish reef, and the upper end is connected with the inflatable floating foundation through a main corrosion breaking rod. The inflatable floating foundation is provided with an inflating pipe. The inflating pipe is provided with an inflating / discharging joint which extends out of sea surface. The inflating pipe is provided with a check valve.

The invention relates to a seedling-raising way for algae, in particular to a seedling-raising method for gracilaria algae. The method comprises the following steps: disinfecting cleaned mature gracilaria algae with sodium hypochlorite for 3-5 minutes, flushing the disinfected gracilaria algae with boiled fresh water, and putting the flushed gracilaria algae into boiled seawater for serving as breeding algae in later use; drying the breeding algae in the shade, stimulating, releasing spores, growing a disk-shaped body, performing suspension cultivation after scraping the disk-shaped body, performing enlarged cultivation, inducing the formation of vertical branches, and performing gradual cultivation to prompt growth of seedlings. By adopting the seedling-raising method, the entire spore seedling-raising process is implemented in a relatively small and controllable three-dimensional space, the seedling-raising amount is large, the survival rate is up to 90-100 percent, seedlings grow rapidly, the emergence rate is high, and gracilaria seedlings which are uniform in size and are 5 centimeters in length can be cultivated within 30-60 days.

The invention discloses an artificial fish reef in a steel-frame structure and aims to overcome the defects that an existing artificial fish reef is single in shape and function and low in economical benefit, is easy to block if being used in sea for a period of time, is adverse to gathered life of a fish school, and the artificial fish reef under the sea is relatively poor in stability and easy to swing to affect life of the fish school. The artificial fish reef in the steel-frame structure disclosed by the invention comprises an algae culture matrix and a fish reef matrix, wherein the lower end of the fish reef matrix is fixedly connected with a steel rack and the algae culture matrix is connected with an impact ball for impacting the fish reef matrix; high pressure gas for flushing a fish sheltering cavity is arranged on the fish reef matrix; the impact ball triggers a resilient mechanism to cut a gas cover, so that high pressure gas escapes to flush the fish sheltering cavity so as to prevent the fish sheltering cavity from being blocked. The artificial fish reef not only can provide a place for the fish school to inhabit, reproduce and shelter enemies, but also can be used for cultivating algae, so that the artificial fish reef is high in economical benefit. The artificial fish reef put in use is good in stability, and the fish sheltering cavity in the fish reef matrix is hardly blocked.

A nutritive alga mud used as the substitute of soil for cultivating plant or flower is prepared from the extract of the Gracilaria in Rhodophyta, which is rich in saccharide, alginate jelly, vitamines and trace elements, through mixing it with water, boiling and cooling to become gel.