CN102138512B - Method for sowing fixed life-form seaweed seedlings on sea surface - Google Patents

Method for sowing fixed life-form seaweed seedlings on sea surface Download PDF

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Publication number
CN102138512B
CN102138512B CN2011100970127A CN201110097012A CN102138512B CN 102138512 B CN102138512 B CN 102138512B CN 2011100970127 A CN2011100970127 A CN 2011100970127A CN 201110097012 A CN201110097012 A CN 201110097012A CN 102138512 B CN102138512 B CN 102138512B
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shellfish
sea
marine alga
seedling
sowing
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CN102138512A (en
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刘升平
赵迎春
杨宁
王春德
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Qingdao Agricultural University
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Qingdao Agricultural University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management

Abstract

The invention provides a method for sowing fixed life-form seaweed seedlings on the sea surface. The method comprises the following steps: (1) selection and treatment of shellfish used as substrates of the seaweeds; (2) culture of seedlings of the seaweeds using the shellfish as the substrates; and (3) sowing: the shellfish is lamellibranchia shellfish. The method has the following advantages: the aim that the fixed life-form seaweeds adhere to the submarine rocks through the convenient way of sowing on the sea surface is achieved; the new species (protospecies) for studying propagation and cultivation of the algae in China are convenient to popularize and apply in the submarine algae field; the biomass of the algae in the submarine algae field is increased, the dominant species of the algae are obvious and are convenient to harvest, and the fixed substances of the algae, such as C, N, P and the like, are taken from the sea to the land, so the effect on solving the ecological problems lasts longer and the contributions of the seaweeds to the sea ecology are effective for a long term; the submarine geomorphy is not changed and the original sea ecology is not damaged; the cost is low and the investment is low; and the built submarine algae field can be harvested, the economic benefits are acquired by adding the fishery resources and industrialized popularization and application can be carried out.

Description

Method is broadcasted sowing on a kind of set biotype marine alga seedling sea
Technical field
The present invention relates to a kind of set biotype marine alga seedling sea and broadcast sowing method.
Background technology
Forest is paid attention to by people the influence of terrestrial environment already, and marine algae is paid attention to by the ocean worker the influence of the marine eco-environment as the forest in the ocean too.Tangleweed is the common recognition of marine ecology educational circles to the biological restoration effect of marine ecology: algae absorbs the CO in the water body 2, participate in global carbon, play the consumption Atmospheric CO 2Effect, reach control greenhouse gases purpose; The O that algae photosynthesis is discharged 2Improve the water body dissolved oxygen content, improved water quality; Mineral salt such as algae absorption of N, P can solve the ocean eutrophication problem, reduce marine ecology crises such as the red tide cause thus, Enteromorpha explosion type propagation, and the effect of having played artificial fish shelter of seabed algae field can increase fishery resources in addition.But China offshore seabed has been minimizing trend since comprising sea-plant resource long-term such as sea grass, but the construction of kelp bed and algal reef now not only receives the restriction of regional condition; And investment is high, is difficult to form industrialization, the conventional artificial algal reef be build earlier reef, after have wild algae to adhere to; Therefore the algal kind of artificial algal reef is numerous and diverse, and dominant species is not obvious, and algae is difficult to results; Analyze with solid N equal angles from solid C; After marine alga was rotted, fixing C, N, the P of frond revert to again in the water body, can not thoroughly solve ecological problem.
Set biotype macro must be attached on the matrix and just can grow; And the macro seedling stage is owing to receive effect such as ocean current morning and evening tides; Lack stable environment, the time of not adhering to holdfast is that the sessile form tangleweed is difficult to the major obstacle broadcast at the bottom of the seedling through throwing in; Though can be attached to the seabed and broadcast sowing the spore mode, because factors such as seabed illumination, mud scum strengthen the spore germination difficulty, it is very slow to grow, or can not sprout for a long time, finally loses the growth machine meeting, so be difficult to carry out; Stone with little is done adherance, early stage the seed I with fixing, along with grow up seedling and stone of seed can wave with ocean current, just can not adhere to and seabed later, and this method cost can improve.
Summary of the invention
Be difficult to the shortcoming broadcast at the bottom of the seedling through throwing in to the for want of stable environment of set biotype marine alga in the prior art; The invention provides a kind of set biotype marine alga seedling sea and broadcast sowing method; The present invention utilizes the attached type shellfish can be attached to the characteristics of adherances such as seabed reef moment through byssus, and making set biotype algae seed is that intermediary is attached to the seabed with the shellfish.The present invention consolidates C, solid N is respond well; Less to the submarine geomorphy influence, former marine ecology is not destroyed; Be convenient to new varieties algae field popularization that China algae increases, cultures research in the seabed; Cost is low, invests little; Be convenient to gather in the crops algae, obtain economic benefit, can carry out Industry Promotion and use through increasing fishery resources.
For realizing the foregoing invention purpose, the present invention adopts following technical proposals:
Method is broadcasted sowing on a kind of set biotype marine alga seedling sea, and it is characterized in that it may further comprise the steps: (1) is used for selection and the processing of the shellfish of marine alga adherance; (2) be that the marine alga of adherance is grown seedlings with the shellfish; (3) broadcast sowing, said shellfish is the lamellibranchiata shellfish, being treated to of said shellfish: be put in disinfection in the vessel to layer 2-3 lamellibranchiata shellfish; Hydrochloric acid dilution with 9%-11% sprays; Constantly wash simultaneously the lamellibranchiata shellfish by rubbing with the hands, each 5-10 minute, 3-4 time repeatedly; Clean the lamellibranchiata shellfish with sand filter seawater rapidly after sterilization finishes, so-called sand filter seawater is meant through filtering through sand filter after precipitating 24 hours has again removed the seawater of various algae spores in the seawater;
Said marine alga is grown seedlings and comprises that marine alga is collected seedling and seedling management; Said marine alga is collected seedling and comprises and diffuse and adhered to for two steps; Marine alga planted vegetables to be put in diffuse the trip spore in the sand filter seawater, after spore density to be swum reaches 10-15 trip spore/100 power microscope visuals field, the lamellibranchiata shellfish after disinfecting rendered in the trip spore fluid adhere to; Setting stage chien shih lamellibranchiata shellfish opening filter food not; Spore adheres to the back and is sporoblast, and density to be adhered to is outwelled spore fluid after reaching 20-30 sporoblast/100 power microscope visuals field, changes sand filter seawater and gets into cultivation stage; In the said seedling management, the shellfish individual layer that is attached with marine alga is placed, through control illumination, temperature, apply fertilizer, scrub, change the water mode and carry out seedling management;
Said broadcasting sowing is the lamellibranchiata shellfish that adheres to the marine alga seedling to be broadcasted sowing broadcast the marine site on earth.
Further, said set biotype marine alga is selected from one or more in sea-tangle, big sea-tangle, undaria pinnitafida or the mouse tail algae.
Further again, said lamellibranchiata shellfish is selected from one or more in Mytilus galloprovincialis, Perna viridis, Trachyostracous mussel or the Xun Shi flesh clam.
Wherein, said lamellibranchiata shellfish shell is long is 0.5cm-2cm.
Further again, said sea-tangle, big sea-tangle, undaria pinnitafida and the seed harvesting amount of mouse tail algae behind seedling management are respectively: 3-6 strain/lamellibranchiata shellfish, 5-15 strain/lamellibranchiata shellfish, 5-15 strain/lamellibranchiata shellfish, 5-10 strain/lamellibranchiata shellfish.
Further again, said marine alga is collected seedling and takes to make shellfish vibration, water impact or inflation mode to make the lamellibranchiata shellfish open shell filter food less in the spore attachment stage.
Wherein, said seedling management step is following:
(1) control light: adopt natural daylight to grow seedlings,
Control light 1000-2000lx early stage;
Control light 2000-3000lx mid-term;
Later stage control light 3000-5000lx;
(2) temperature control: 7-10 ℃;
(3) fertilising: the early stage 2ppm-3ppm NO 3 --N, the PO of 0.2ppm-0.3ppm 4 3--P;
Mid-term 3ppm-4ppm NO 3 --N, the PO of 0.3ppm-0.4ppm 4 3--P;
The NO of later stage 4ppm-5ppm 3 --N, the PO of 0.4ppm-0.5ppm 4 3--P;
(4) scrub: use the giant spary, 2-3 time weekly;
(5) change water: change water 20%-30% every day.
Further again, the said density of broadcasting sowing is respectively: big sea-tangle, undaria pinnitafida be the 100-300 strain/square metre, sea-tangle be the 50-150 strain/square metre, mouse tail algae be the 100-200 strain/square metre.
Wherein, the said selection of time of broadcasting sowing is broadcasted sowing choose opportunities in the slack tide stage every day of neap season before and after the October.
Compared with prior art, advantage of the present invention and good effect are:
The present invention is the marine alga adherance with suitable lamellibranchiata shellfish; The large-scale economical alga of set biotype is carried out artificial breeding, then seedling is broadcasted sowing on the sea, the characteristics of utilizing shellfish to adhere to moment; The algae in early stage is attached to the seabed through the byssus of shellfish; Because the marine alga growth will be far away faster than shellfish, the stable environment that the holdfast of marine alga gives through shellfish is attached on the reef of seabed gradually.Advantage of the present invention is: can make set biotype marine alga, can be attached to the seabed reef through the easy way that broadcast sowing on the sea, be convenient to new varieties (original seed) algae field popularization in the seabed that China algae increases, cultures research; The algae of algae field, seabed is not to derive from local wild resource; But the higher kind of economic worth through selecting to optimize; Sociales are obvious, are convenient to results, make materials such as the fixing C of algae, N, P can from the ocean, take land; The effect that solves ecological problem is more permanent, makes marine alga permanently effective to the contribution of marine ecology; Do not change submarine geomorphy, former marine ecology is not destroyed; Cost is low, invests little; The algae field of being set up, seabed can gather in the crops, and obtains economic benefit through increasing fishery resources, can carry out Industry Promotion and use.
After advantages embodiment of the present invention, other characteristics of the present invention and advantage will become clearer.
Description of drawings
Fig. 1 is that the method flow sketch map is broadcasted sowing on set biotype marine alga seedling sea among the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is done further detailed explanation.
Embodiment 1
The present invention was attached to the seedling of selected sessile form macro on the attached type shellfish live body through the stage of growing seedlings at indoors artificial; The seabed of spreading attaching substratum to the shellfish that is attached with the algae seed in the stage of broadcasting sowing; Utilize shellfish to be intermediary; Shellfish is attached to earlier on the matrix of seabed, and the stable condition that the holdfast of algae gives through the shellfish that adheres to is attached on the matrix of seabed, reaches the purpose that the seedling that makes tangleweed can be attached to the seabed through the plain mode that broadcast sowing on the sea according to this.
It is following that method step is broadcasted sowing on a kind of set biotype marine alga seedling of the present invention sea:
1, is used for selection and the processing of the shellfish of marine alga adherance
The selection of A, set biotype marine alga: selection fast growth, the algae that build is big, economic worth is high; Be easy to artificial breeding; And the kind of indexs such as sea area water temperature, the depth of water is broadcast at the suitable end; Like sea-tangle, big sea-tangle, undaria pinnitafida and mouse tail algae etc. is better kind, and it is set biotype marine alga that present embodiment is chosen big sea-tangle.
B, be used for the selection of the shellfish of marine alga adherance: select to be worth low, be prone to obtain, byssus is flourishing; Tight-closed being easy to of shell sterilized; The lamellibranchiata shellfish of conditions such as the sea area depth of water, water temperature is broadcast at the suitable end, all is suitable selections like Mytilus galloprovincialis, Perna viridis, Trachyostracous mussel, Xun Shi flesh clam etc.Selecting the size of shellfish will be foundation with the size of sowing time at the bottom of the seed, and little seed shellfish individuality is more little, uses the seed below the long 1cm of shell to be advisable like the young plant of 2-8cm.It is adherance that present embodiment is chosen Trachyostracous mussel, and the Trachyostracous mussel size is advisable with the long 0.5-2cm of shell.
C, disinfecting to shellfish
Carrying out the button-up operations that marine alga is grown seedlings, and obtaining and be used to do after the shellfish of adherance, do shellfish earlier to disinfect, to dispose the algae that adheres at natural waters on the shell; When taking Trachyostracous mussel to do adherance, be put in Trachyostracous mussel in the glass steel tank the about layer 2-3 mussel of thickness thickness; Hydrochloric acid dilution with 10% sprays, and constantly washes mussel simultaneously by rubbing with the hands, each 5-10 minute; 3 times repeatedly, disinfection, sterilization finish the back and clean mussel with the sand filtration seawater rapidly.Trachyostracous mussel after the sterilization was supported one day with the sand filtration seawater temporarily, removed dead individuality, and healthy Trachyostracous mussel is attached on the coir rope, or at the bottom of the nursery pond pond, is used for algae and collects seedling.
2, be that the marine alga of adherance is grown seedlings with the shellfish
A, marine alga are collected seedling
Marine alga is planted vegetables, be put in and diffuse the trip spore in the sand filtration seawater, it is after 10-15 trip spore arranged under per 100 times of visuals field that spore density to be swum reaches requirement; The shellfish adherance of disinfecting rendered in the spore fluid adhere to; Take methods such as stirring, inflation between the setting stage, make not opening filter food of mussel, it is after under per 100 times of visuals field 20-30 sporoblast being arranged that density to be adhered to reaches requirement; Outwell spore fluid, change the sand filtration seawater and get into cultivation stage.
In the stage of collecting seedling; Because employed shellfish belongs to lamellibranchiata, can filter the spore of food algae, the spore fluid density when therefore adopting spore should be higher than conventional seedbed system; And take to make modes such as shellfish vibration, water impact, inflation to make shellfish in the spore attachment stage; Open shell filter food less, the spatfall amount on each mussel means how many marine alga seedlings are every bunch have in the future as far as possible.
B, seedling management
In the seedling management stage, place the Trachyostracous mussel individual layer that is attached with marine alga, through control illumination, temperature, apply fertilizer, scrub and change mode such as water and carry out seedling management.
To get into the groundwork in seedling management stage later on following having accomplished the work of collecting seedling:
(1) control light: adopt natural daylight to grow seedlings;
Control light 1000-2000lx early stage;
Control light 2000-3000lx mid-term;
Later stage control light 3000-5000lx;
(2) temperature control: 7-10 ℃;
(3) fertilising: the early stage 2ppm NO 3 --N, the PO of 0.2ppm 4 3--P;
Mid-term 3ppm NO 3 --N, the PO of 0.3ppm 4 3--P;
The NO of later stage 4ppm 3 --N, the PO of 0.4ppm 4 3--P;
(4) scrub: use the giant spary, twice weekly;
(5) change water: change water about 20% every day.
Be controlled at generally through the seed harvesting amounts of the big sea-tangle of a large amount of experiment proofs that seed harvesting amount is 5-15 strain/Trachyostracous mussel when waiting to plunge into the commercial sea.
3, broadcast sowing
Said broadcasting sowing is after the marine alga seed reaches the standard of broadcasting sowing, and selects the suitable machine sowing time end to broadcast the marine site end of at by ship, will adhere to the mussel of marine alga seed and broadcast sowing the seabed as requested.
Broadcast standard when the marine alga seed that with the shellfish is adherance reaches the end, after promptly the marine alga seedling grew to 8cm-30cm, the shellfish that will adhere to the marine alga seedling peeled off the shellfish adherance, should notice when peeling off preventing that the marine alga seed from coming off, and prepared to broadcast sowing:
A, broadcast sowing the selection on opportunity: the algae sowing time is different according to algal kind, marine site water temperature, generally can be chosen in before and after the beginning of October, broadcasts sowing choose opportunities in the slack tide stage every day of neap season.Its reason is, can not adhere to after shellfish is broadcasted sowing at once, and neap season, seabed ocean current flow velocity is low, can avoid shellfish not adhere to before seed drift with the tide, forms and pile up, and influence is adhered to.
B, broadcast sowing before, if the seabed has mud scum more, can take the diver to wash away the seabed with air gun in the seabed, broadcast sowing then.
C, broadcast sowing density: big sea-tangle press the 100-300 strain/square metre.
D, can be spread on the seabed to seed equably on the sea by ship when broadcasting sowing, should avoid shellfish adhering to each other when broadcasting sowing, influence seeding quality.
4, results: when marine alga grows to can gather in the crops the time, adopt the dive under water method of artificial results of diver.
In the present embodiment big sea-tangle can also to select Perna viridis, Mytilus galloprovincialis or Xun Shi flesh clam be adherance.
Embodiment 2
It is following that method step is broadcasted sowing on a kind of set biotype marine alga seedling of the present invention sea:
1, is used for selection and the processing of the shellfish of marine alga adherance
The selection of A, set biotype marine alga: it is set biotype marine alga that present embodiment is chosen sea-tangle.
B, be used for the selection of the shellfish of marine alga adherance: it is adherance that present embodiment is chosen Mytilus galloprovincialis.The mussel size is advisable with the long 0.5-2cm of shell.
C, disinfecting to shellfish
Carrying out the button-up operations that marine alga is grown seedlings; And obtained and be used to do after the shellfish of adherance, do shellfish earlier to disinfect, to dispose the algae that adheres at natural waters on the shell; When taking Mytilus galloprovincialis to do adherance; The hydrochloric acid solution of the hydrochloric acid dilution of use 10% is washed by rubbing with the hands, sprays hydrochloric acid solution 3-5 time with watering can, washes by rubbing with the hands 5 minutes at every turn.Mytilus galloprovincialis after the sterilization was supported one day with the sand filtration seawater temporarily, removed dead individuality, and healthy Mytilus galloprovincialis is attached on the coir rope, or at the bottom of the nursery pond pond, prepared to be used for algae and collect seedling.
2, be that the marine alga of adherance is grown seedlings with the shellfish
A, marine alga are collected seedling
The method of collecting seedling is with embodiment 1, and it is adherance that present embodiment is chosen Mytilus galloprovincialis.
B, seedling management
The operation in seedling management stage is with embodiment 1.
Generally be controlled at through the seed harvesting amounts of a large amount of experiment proof sea-tangles and deposit seedling 3-6 strain/Mytilus galloprovincialis after waiting to plunge into the commercial sea.
3, broadcast sowing
When the sea-tangle seed that with the shellfish is adherance reaches after the end broadcasts standard, the shellfish that will adhere to the sea-tangle seed peels off the shellfish adherance, should notice when peeling off preventing that the sea-tangle seed from coming off, and prepares to broadcast sowing:
A, broadcast sowing the selection on opportunity: be typically chosen in before and after the beginning of October, broadcast sowing opportunity, be chosen in slack tide stage every day of neap season.
B, broadcast sowing before, if the seabed has mud scum more, can take the diver to wash away the seabed with air gun in the seabed, broadcast sowing then.
C, broadcast sowing density: sea-tangle press the 50-150 strain/square metre.
D, can be spread on the seabed to seed equably on the sea by ship when broadcasting sowing, should avoid shellfish adhering to each other when broadcasting sowing, influence seeding quality.
4, results: adopt the dive under water method of artificial results of diver.
In the present embodiment sea-tangle can also to select Perna viridis, Trachyostracous mussel or Xun Shi flesh clam be adherance.
Embodiment 3
It is following that method step is broadcasted sowing on a kind of set biotype marine alga seedling of the present invention sea:
1, is used for selection and the processing of the shellfish of marine alga adherance
The selection of A, set biotype marine alga: it is set biotype marine alga that present embodiment is chosen undaria pinnitafida.
B, set biotype marine alga are with the selection of shellfish: it is adherance that present embodiment is chosen Perna viridis.The Perna viridis size is advisable with the long 0.5-2cm of shell.
C, disinfecting to shellfish
Carrying out the button-up operations that marine alga is grown seedlings; And obtained be used to do the Perna viridis of adherance after, Perna viridis is done disinfected earlier, to dispose the algae that adheres at natural waters on the shell; When taking Perna viridis to do adherance; The hydrochloric acid solution of use 11% is washed by rubbing with the hands, sprays hydrochloric acid solution 3-5 time with watering can, washes by rubbing with the hands 5 minutes at every turn.Perna viridis after the sterilization was supported one day with the sand filtration seawater temporarily, reached dead individuality, and healthy Perna viridis is attached on the coir rope, or at the bottom of the nursery pond pond, prepared to be used for algae and collect seedling.
2, be that the marine alga of adherance is grown seedlings with the shellfish
A, algae are collected seedling
The method of collecting seedling is with embodiment 1, and it is adherance that present embodiment is chosen Perna viridis.
B, seedling management
The operation in seedling management stage is with embodiment 1.
Generally be controlled at through the seed harvesting amounts of a large amount of experiment proof undaria pinnitafidas and deposit seedling 5-15 strain/Perna viridis after waiting to plunge into the commercial sea.
3, broadcast sowing
When the sea-tangle seed that with the shellfish is adherance reaches after the end broadcasts standard, the shellfish that will adhere to the undaria pinnitafida seed peels off the shellfish adherance, should notice when peeling off preventing that the undaria pinnitafida seed from coming off, and prepares to broadcast sowing:
A, broadcast sowing the selection on opportunity: be typically chosen in before and after National Day, broadcast sowing opportunity, be chosen in slack tide stage every day of neap season.
B, broadcast sowing before, if there is mud scum alluvial in the seabed, can take the diver to wash away the seabed with air gun in the seabed, broadcast sowing then.
C, broadcast sowing density: undaria pinnitafida press the 100-300 strain/square metre.
D, can be spread on the seabed to seed equably on the sea by ship when broadcasting sowing, should avoid shellfish adhering to each other when broadcasting sowing, influence seeding quality.
4, results: adopt the dive under water method of artificial results of diver.
Can also to select Mytilus galloprovincialis, Trachyostracous mussel or Xun Shi flesh clam be adherance to undaria pinnitafida in the present embodiment.
Embodiment 4
It is following that method step is broadcasted sowing on a kind of set biotype marine alga seedling of the present invention sea:
1, is used for selection and the processing of the shellfish of marine alga adherance
The selection of A, set biotype marine alga: it is set biotype marine alga that present embodiment is chosen mouse tail algae.
B, set biotype marine alga are with the selection of shellfish: it is adherance that present embodiment is chosen Xun Shi flesh clam.Xun Shi flesh clam size is advisable with the long 0.5cm-1.5cm of shell.
C, disinfecting to shellfish
Carrying out the button-up operations that marine alga is grown seedlings; And obtained be used to do the Xun Shi flesh clam of adherance after, Xun Shi flesh clam is cooked disinfected earlier, to dispose the algae that adheres at natural waters on the shell; When taking Xun Shi flesh clam to do adherance; The hydrochloric acid solution of use 10% is washed by rubbing with the hands, sprays hydrochloric acid solution 3-5 time with watering can, washes by rubbing with the hands 5 minutes at every turn.Xun Shi flesh clam after the sterilization was supported one day with the sand filtration seawater temporarily, reached dead individuality, and healthy Xun Shi flesh clam is attached on the coir rope, or at the bottom of the nursery pond pond, prepared to be used for algae and collect seedling.
2, be that the marine alga of adherance is grown seedlings with the shellfish
A, algae are collected seedling
The method of collecting seedling is with embodiment 1, and it is adherance that present embodiment is chosen Xun Shi flesh clam.
B, seedling management
The operation in seedling management stage is with embodiment 1.
Generally be controlled at through the seed harvesting amounts of a large amount of experiment proof mouse tail algaes and deposit seedling 5-10 strain/Xun Shi flesh clam after waiting to plunge into the commercial sea.
3, broadcast sowing
When the sea-tangle seed that with the shellfish is adherance reaches after the end broadcasts standard, the shellfish that will adhere to Sargassum thunbergii offspring peels off the shellfish adherance, should notice when peeling off preventing that Sargassum thunbergii offspring from coming off, and prepares to broadcast sowing:
A, broadcast sowing the selection on opportunity: be typically chosen in before and after the beginning of October, broadcast sowing opportunity, be chosen in slack tide stage every day of neap season.
B, broadcast sowing before, if there is mud scum alluvial in the seabed, can take the diver to wash away the seabed with air gun in the seabed, broadcast sowing then.
C, broadcast sowing density: mouse tail algae press the 100-200 strain/square metre.
D, can be spread on the seabed to seed equably on the sea by ship when broadcasting sowing, should avoid shellfish adhering to each other when broadcasting sowing, influence seeding quality.
4, results: adopt the dive under water method of artificial results of diver.
In the present embodiment mouse tail algae can also to select Mytilus galloprovincialis, Perna viridis or Trachyostracous mussel be adherance.
Above embodiment is only in order to explaining technical scheme of the present invention, but not limits it; Although the present invention has been carried out detailed explanation with reference to previous embodiment, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of relevant art scheme break away from the spirit and the scope of the present invention's technical scheme required for protection.

Claims (8)

1. method is broadcasted sowing on a set biotype marine alga seedling sea, it is characterized in that it may further comprise the steps:
(1) be used for selection and the processing of the shellfish of marine alga adherance: said shellfish is the lamellibranchiata shellfish; Being treated to of said shellfish: be put in disinfection in the vessel to layer 2-3 lamellibranchiata shellfish; Hydrochloric acid dilution with 9%-11% sprays; Constantly wash simultaneously the lamellibranchiata shellfish by rubbing with the hands, each 5-10 minute, 3-4 time repeatedly; The lamellibranchiata shellfish is cleaned with the sand filtration seawater rapidly in sterilization end back, and so-called sand filter seawater is meant through filtering through sand filter after precipitating 24 hours has again removed the seawater of various algae spores in the seawater;
(2) be that the marine alga of adherance is grown seedlings with the shellfish: said marine alga is grown seedlings and comprises that marine alga is collected seedling and seedling management; Said marine alga is collected seedling and comprises and diffuse and adhered to for two steps; Marine alga planted vegetables to be put in diffuse the trip spore in the sand filtration seawater, after spore density to be swum reaches 10-15 trip spore/100 power microscope visuals field, the lamellibranchiata shellfish after disinfecting rendered in the trip spore fluid adhere to; Setting stage chien shih lamellibranchiata shellfish opening filter food not; Spore adheres to the back and is sporoblast, and density to be adhered to is outwelled spore fluid after reaching 20-30 sporoblast/100 power microscope visuals field, changes the sand filtration seawater and gets into cultivation stage; In the said seedling management, the shellfish individual layer that is attached with marine alga is placed, through control illumination, temperature, apply fertilizer, scrub, change the water mode and carry out seedling management;
Said seedling management step is following:
A is controlled light: adopt natural daylight to grow seedlings,
Control light 1000-2000lx early stage;
Control light 2000-3000lx mid-term;
Later stage control light 3000-5000lx;
B temperature control: 7-10 ℃;
C fertilising: early stage 2ppm-3ppm NO 3 --N, the PO of 0.2ppm-0.3ppm 4 3--P;
Mid-term 3ppm-4ppm NO 3 --N, the PO of 0.3ppm-0.4ppm 4 3--P;
The NO of later stage 4ppm-5ppm 3 --N, the PO of 0.4ppm-0.5ppm 4 3--P;
D scrubs: use the giant spary, 2-3 time weekly;
E changes water: change water 20%-30% every day;
(3) broadcast sowing: said broadcasting sowing is the lamellibranchiata shellfish that adheres to the marine alga seedling to be broadcasted sowing broadcast the marine site on earth.
2. method is broadcasted sowing on a kind of set biotype marine alga seedling according to claim 1 sea, it is characterized in that said set biotype marine alga is selected from one or more in sea-tangle, big sea-tangle, undaria pinnitafida or the mouse tail algae.
3. method is broadcasted sowing on a kind of set biotype marine alga seedling according to claim 2 sea, it is characterized in that said lamellibranchiata shellfish is selected from one or more in Mytilus galloprovincialis, Perna viridis, Trachyostracous mussel or the Xun Shi flesh clam.
4. method is broadcasted sowing on a kind of set biotype marine alga seedling according to claim 3 sea, it is characterized in that the long 0.5cm-2cm of being of said lamellibranchiata shellfish shell.
5. method is broadcasted sowing on a kind of set biotype marine alga seedling according to claim 3 sea, it is characterized in that said sea-tangle, big sea-tangle, undaria pinnitafida and the seed harvesting amount of mouse tail algae behind seedling management are respectively: 3-6 strain/lamellibranchiata shellfish, 5-15 strain/lamellibranchiata shellfish, 5-15 strain/lamellibranchiata shellfish, 5-10 strain/lamellibranchiata shellfish.
6. method is broadcasted sowing on a kind of set biotype marine alga seedling according to claim 3 sea, it is characterized in that said marine alga is collected seedling to take to make shellfish vibration, water impact or inflation mode to make the lamellibranchiata shellfish open shell filter food less in the spore attachment stage.
7. method is broadcasted sowing on a kind of set biotype marine alga seedling according to claim 2 sea; It is characterized in that said density of broadcasting sowing is respectively: big sea-tangle, undaria pinnitafida be the 100-300 strain/square metre; Sea-tangle be the 50-150 strain/square metre, mouse tail algae be the 100-200 strain/square metre.
8. method is broadcasted sowing on a kind of set biotype marine alga seedling according to claim 7 sea, it is characterized in that said selection of time of broadcasting sowing at the beginning of the October, broadcasts sowing choose opportunities in the slack tide stage every day of neap season.
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CN104521730A (en) * 2015-01-21 2015-04-22 河北省海洋与水产科学研究院 Sea grass bottom laying planting method
CN109220768A (en) * 2018-10-25 2019-01-18 青岛农业大学 A kind of mussel attachment base kelp seedling intermediate breeding method
CN109329143A (en) * 2018-10-25 2019-02-15 青岛农业大学 A kind of mussel attachment base kelp seedling normal-temperature breeding method
CN109329144A (en) * 2018-10-25 2019-02-15 青岛农业大学 A kind of mussel attachment base Undaria pinnitafida seedling intermediate breeding method

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