CN105706895B - A method of repairing intertidal zone sargassum - Google Patents
A method of repairing intertidal zone sargassum Download PDFInfo
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- CN105706895B CN105706895B CN201610134683.9A CN201610134683A CN105706895B CN 105706895 B CN105706895 B CN 105706895B CN 201610134683 A CN201610134683 A CN 201610134683A CN 105706895 B CN105706895 B CN 105706895B
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- sargassum
- mesh bag
- seedling
- intertidal zone
- rhizoid
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
Abstract
The invention discloses a kind of methods of reparation intertidal zone sargassum, use mesh bag to tie seedling lapidation method, transplant and cultivate sargassum seedling, the sargassum seedling is made to can be carried out zoogamy and asexual reproduction；The described mesh bag bundle seedling lapidation method makes the rhizoid of the sargassum seedling be close to mesh bag the following steps are included: sargassum seedling is fixed in mesh bag by (a)；(b) stone is placed in the mesh bag, and mesh bag mouth is tightened into sealing；(c) time of low water throws the resulting mesh bag of step b between the low water neaps line and spring low-water line of intertidal zone into.This method is easy to operate, does not need to build huge matrix, spends fund few.
Description
Technical field
The invention belongs to the technical fields of sargassum artificial fecundation and restoration of the ecosystem, and in particular to a kind of reparation intertidal zone horse
The method of tail algae.
Background technique
Tangleweed field is the reparation person and the person of stabilization of the marine eco-environment.Since environmental pollution and man-land relationship are nervous
The problems such as, natural rock reef water front is seriously damaged, the serious failure of Rocky Intertidal Zone sargassum resource, sargassum ecological functions
Also obvious therewith to weaken.Many countries take the mode for launching a large amount of artificial fishing bank in seabed to repair sea jungle in the world, and
Obvious effect is achieved, but this repair mode needs costly fund and builds huge matrix, operation is not
It is convenient, it takes time and effort, is not suitable for Rocky Intertidal Zone.
Using proliferation, moves and grow the real effective means that horse hair algae method is realization Rocky Intertidal Zone sargassum recovery.Mesh
Before, the increasing based on seaweed zoogamy moves plantation technology and applies than wide, but this technology is only limitted to the breeding season of frond, and right
The shifting plantation technology research of plantlet stage is less.
Summary of the invention
It is easy to operate the purpose of the present invention is to provide a kind of method of reparation intertidal zone sargassum, it does not need to build
Huge matrix is made, spends fund few.
To reach above-mentioned technical purpose, The technical solution adopted by the invention is as follows:
A method of repairing intertidal zone sargassum, it is characterised in that: seedling lapidation method is tied using mesh bag, transplants and cultivates
Sargassum seedling；The sargassum seedling is set to can be carried out zoogamy and asexual reproduction；
The described mesh bag bundle seedling lapidation method the following steps are included:
(1) sargassum seedling is fixed in mesh bag, the rhizoid of the sargassum seedling is made to be close to mesh bag；
(2) stone is placed in the mesh bag, and mesh bag mouth is tightened into sealing；
(3) time of low water throws the resulting mesh bag of step 2 between the low water neaps line and spring low-water line of intertidal zone into.
Method of the invention bundlees sargassum seedling using mesh bag, and seedling and stone are placed in mesh bag, throw into be intended into
At the low tide for the impaired horse hair algae field marine that row is repaired, by the cultivation under the natural conditions of sea area, above-mentioned transplanting is introduced
Transplant in impaired horse hair algae field marine and cultivate sargassum seedling and will grow and be developed to sexal maturity, and pass through zoogamy
Generate the sargassum germling that largely can normally adhere to lithofacies matrix, while the rhizoid of the sargassum seedling of above-mentioned transplanting introducing
Can apposition growth again, and nourish and generate and grow sprouting on rhizoid, realize horse in impaired horse hair algae field marine to play
Tail algae population reconstruction, maintains population and normally multiplies, and promotes the reparation for making the sargassum.
The mesh bag is preferably nylon net bag, and aperture is 4 ~ 6cm.
Preferably, the mesh bag is impregnating at least one moon using preceding in the seawater, so that mesh bag fully absorbs seawater,
Conducive to rhizoid apposition growth again.
Preferably, the rhizoid of the sargassum seedling is tied on mesh bag using cotton cord.
Preferably, it is fixed with digital signage on the mesh bag, in order to count.
It preferably, is to have floating ball on the mesh bag, in order to find the sargassum after transplanting.
It is observed and recorded after tidewater retreats to spring low-water line, exposes mesh bag in appropriate time interval according to tidal condition
The growth and development situation of sargassum.
Compared with prior art, the invention has the following advantages:
(1) method of the invention is directed to the sargassum resource slump of disastrous proportions of current Daya Bay Rocky Intertidal Zone region, horse
The Ecological Construction current demand of status and hand-packed rockfill shore protection water front that tail algae lithofacies habitat is seriously destroyed is continuously increased
The case where, adaptation to local conditions is gathered materials on the spot, and is successfully moved in impaired horse hair algae field marine using " mesh bag ties seedling lapidation method " and has been grown horse hair
Algae seedling provides effective technical method for the artificial reconstruction of sargassum；
(2) it using the method in the present invention, moves the sargassum energy normal growth grown and reaches sexal maturity, and pass through sexual life
It grows and can produce the sargassum germling that can largely adhere to, can be supported in apposition growth, field headquarters of going forward side by side again with the sargassum rhizoid that time shift is grown
Breeding grows new plant, realizes sargassum population reconstruction, and further plant a colony in affected area；
(3) present invention is not necessarily to labor management, easy to operate, low in cost, labor intensity after sargassum seedling is grown in shifting
It is small, it is easy to be widely applied；
(4) it is nature sargassum seedling that method of the invention, which moves the sargassum grown, needs seedling numbers less, saves
The work that room heat source is cultivated；
(5) method adaptation to local conditions of the invention, gathers materials on the spot, and saves sargassum increasing and moves and grows required a large amount of attaching substratums
Preparation；
(6) the sargassum survival rate moved to using method of the invention is high, then apposition growth ability is strong, is easy to follow-up observation
And management.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, the present invention is further detailed.
Fig. 1 shows the schematic diagram of the binding sargassum seedling mesh bag in embodiment；
Fig. 2 shows upgrowth situation of the sargassum seedling in embodiment after transplanting 4 months；
Fig. 3 shows apposition growth of the sargassum seedling in embodiment after transplanting 4 months in the rhizoid on cotton cord；
Fig. 4 shows apposition growth of the sargassum seedling in embodiment after transplanting 4 months in the rhizoid on mesh bag；
Fig. 5 is frond length and rhizoid diameter of the sargassum seedling after transplanting 4 months with natural sargassum in embodiment
Long comparative analysis figure；
Fig. 6 shows the female receptacle that the sargassum seedling in embodiment generates after transplanting 5 months；
Fig. 7 shows the male receptacle that the sargassum seedling in embodiment generates after transplanting 5 months；
Fig. 8 shows the fertilized eggs being adhered on female receptacle observed under an optical microscope in embodiment；
Fig. 9 shows the success of the sargassum sexual propagation in embodiment, the juvenile sporophyte being attached on stone.
Detailed description of the invention: 1- floating ball；2- digital signage；3- mesh bag；4- rhizoid；5- stone；6- sargassum seedling；7- cotton cord；
9- sargassum；The female receptacle of 10-；11- hero receptacle；12- fertilized eggs；13- juvenile sporophyte.
Specific embodiment
As shown in Figure 1, a kind of method for repairing sargassum, bundlees sargassum seedling using mesh bag, and put in mesh bag
Stone is set, is thrown into impaired horse hair algae field marine, the sargassum seedling grown is moved and normal growth and is developed under field conditions (factors)
Sexal maturity, realization can carry out sexual and vegetative propagation sargassum population reconstruction, promote the reparation of sargassum.
The described mesh bag bundle seedling lapidation method the following steps are included:
(1) mesh bag prepares: the nylon mesh sheet that aperture is 5cm being cut into 50cm × 100cm specification 10 and is opened, is stitched with nylon rope
The mesh bag 3 of openings at one side is made, and ties up acrylic digital signage 2 on mesh bag 3, convenient for counting in the future, by mesh bag 3 in nature
It is impregnated 1 month in seawater；
(2) sargassum seedling prepares: when mid or late November low tide one, in the undamaged Rocky Intertidal Zone acquisition of Daya Gulf
The complete half leaf sargassum plant shoots of more than 100 forms, the long 5 ~ 10cm of frond, band seawater are transported to nursery workshop, will with cotton cord
Seedling 6 is tied up on above-mentioned mesh bag, and 10 half leaf sargassum seedling 6 are bundled on each mesh bag, and frond rhizoid is made to be close to net as far as possible
Bag 3, by the temporary culture of seedling bundled in the pond for having nature seawater；
(3) move and grow to intertidal zone: the time of low water will tie seedling mesh bag and be transported to the impaired Rocky Intertidal Zone of Daya Gulf, and scene is in tide
Between be placed in mesh bag with the stone 5 for choosing suitable size, sealed with nylon rope, place it in the low water neaps line of intertidal zone and big
Between damp subtidal line, and floating ball 1 is fastened on mesh bag, convenient for searching and follow-up observation in the future.
(4) growing state follow-up observation: after shifting grows 4 months, when tidewater retreats to spring low-water line, the bundle that will expose the surface
Seedling mesh bag exposes and picks up.The upgrowth situation of sargassum is as shown in Fig. 2 ~ 4 at this time.Moved with ruler measurement grow sargassum body it is long and
Rhizoid path length, records the survival rate of sargassum, at the same measure and with horse in the natural sargassum for the natural areas not being destroyed
The long-living situation of tail algae, to be compared analysis (Fig. 5).The result shows that moving the sargassum energy normal growth grown, survival rate is
36.7%, wherein the success of 66.7% sargassum is attached to again on cotton cord or mesh bag, it is stronger attached again to illustrate that sargassum rhizoid has
Ability, and sargassum rhizoid fails and is attached on stone, may cannot be pasted due to continual Lidar Equation, rhizoid
It is attached and be attached to block faces.Move a length of 83.34 ± 50.22cm of frond for growing sargassum, substantially less than nature sargassum length
(159.54 ± 63.17 cm) (P< 0.05) the rhizoid path length (1.01 ± 0.5cm) for growing sargassum and natural sargassum, are moved
(1.96 ± 1.44 cm) without significant difference (P> 0.05).This may be due to moving the sargassum grown compared with natural sargassum
More matter and energy consumption the growth of rhizoid, apposition growth again will to be used in tissue, so that the growth to frond is brought
Certain influence.
(5) sexual propagation situation follow-up observation: after shifting grows 5 months, observation moves the morphological development situation for growing sargassum.Such as figure
Shown in 6 ~ 9, moves the sargassum grown and reach mature, mature sargassum forms receptacle between axil.Half leaf sargassum is female
Male different strain, female 10 tubbiness of receptacle are up to 4mm, and diameter about 1.5mm, male receptacle 11 is elongated, are up to 15mm, diameter about 1mm.
Mature receptacle is acquired in, there are many genital fossa, genital fossa can be arranged on laboratory optical microphotograph microscopic observation, each receptacle
The sperm and ovum of amplification quantity are affiliated to after mature ovum discharge and fertilization are waited to become generation fertilized eggs 12 on female receptacle.
Fertilized eggs are detached from female receptacle with stormy waves and washing away for trend, and growth and development grows rhizoid at sargassum germling, and then fixed
It lives on rock reef and stone, growth and development is final that sargassum population is promoted to rebuild in impaired sea area at juvenile sporophyte 13.
(6) vegetative propagation situation follow-up observation: after shifting grows 6 months, tidewater retreats to spring low-water line, and mesh bag exposes and fishes out
It rises, observation moves the morphological development situation for growing sargassum.Sargassum is grown after the zoogamy phase the result shows that moving, and reproduction is given oneself airs
Amount falls off, and rest part rots substantially other than frond Non Basal Rhizoids and main diameter, on rhizoid can sprouting number sprouting grow up to it is new
Frond illustrates to move and grows the rhizoid of sargassum as natural sargassum, and with stronger power of regeneration, this nourish and generate can be at
A large amount of seeds are provided to function for affected area, promote the reconstruction and recovery of sargassum.
The above embodiment is only for illustrating the present invention, and protection scope of the present invention is not intended to be limited to the above implementation
Example.Those skilled in the art based on the contents of the disclosure of the present invention and the scope of each parameter, can be achieved
The purpose of the present invention.
Claims (3)
1. a kind of method for repairing intertidal zone sargassum, it is characterised in that: tie seedling lapidation method using mesh bag, transplant and in sea area
Sargassum seedling is cultivated under natural conditions, and the sargassum seedling is made to can be carried out zoogamy and asexual reproduction；The net
Bag is nylon net bag, and aperture is 4~6cm；The mesh bag is impregnating at least one moon using preceding in the seawater；
The described mesh bag bundle seedling lapidation method the following steps are included:
(a) sargassum seedling is fixed in mesh bag, i.e., the rhizoid of the sargassum seedling is tied on mesh bag with cotton cord,
The rhizoid of the sargassum seedling is set to be close to mesh bag；
(b) stone is placed in the mesh bag, and mesh bag mouth is tightened into sealing；
(c) time of low water throws the resulting mesh bag of step b between the low water neaps line and spring low-water line of intertidal zone into.
2. the method according to claim 1 for repairing intertidal zone sargassum, it is characterised in that: fixed on the mesh bag
There is digital signage.
3. the method according to claim 1 for repairing intertidal zone sargassum, it is characterised in that: the mesh bag system has floating
Ball.
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| CN105706895B true CN105706895B (en) | 2019-01-11 |
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| CN109932480B (en) * | 2017-12-15 | 2021-10-15 | 中国科学院烟台海岸带研究所 | Method for measuring seedling cutting time of released sargassum horneri |
| CN109169413B (en) * | 2018-10-26 | 2020-11-27 | 中国科学院南海海洋研究所 | Separation method and transplantation method of single coral cup of helmet-shaped coral |
| CN110972925A (en) * | 2019-10-30 | 2020-04-10 | 中国水产科学研究院南海水产研究所 | Method for constructing gulfweed field on artificial riprap shoreline by using sticky algal reefs |
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Patent Citations (5)
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| JP2004222692A (en) * | 2003-01-20 | 2004-08-12 | Tokushukai Kaiyo Igaku Kenkyusho:Kk | Multistage culture basket for sea grape using pearl net |
| CN101543167A (en) * | 2009-03-23 | 2009-09-30 | 南京中科水治理工程有限公司 | Method for planting submerged plant under a condition of hardground and non sludge |
| CN102405868A (en) * | 2011-11-07 | 2012-04-11 | 中国海洋大学 | Seedling inserting rope-shell combined artificial algal reef |
| CN102783404A (en) * | 2012-08-16 | 2012-11-21 | 广东海洋大学 | Gulfweed proliferation and transplanting method |
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