CN105706895A - Method for repairing intertidal sargasso field - Google Patents
Method for repairing intertidal sargasso field Download PDFInfo
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- CN105706895A CN105706895A CN201610134683.9A CN201610134683A CN105706895A CN 105706895 A CN105706895 A CN 105706895A CN 201610134683 A CN201610134683 A CN 201610134683A CN 105706895 A CN105706895 A CN 105706895A
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- alga sgrgassi
- sgrgassi enerves
- mesh bag
- seedling
- field
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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
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- Life Sciences & Earth Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Seaweed (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a method for repairing an intertidal sargasso field. Sargasso seedlings are transplanted and cultivated by adopting a net bag seedling bundling and stone casting method, so that the sargasso seedlings can be subjected to sexual reproduction and asexual reproduction; the net bag seedling bundling and stone casting method comprises the following steps: (a) the sargasso seedlings are fixed in a net bag, and rhizoids of the sargasso seedlings are clung to the net bag; (b) stone is put into the net bag, and the opening of the net bag is fastened and sealed; (c) in a low tide, the net bag obtained in the step b is cast between a low water line of a neap tide and that of a spring tide in an intertidal zone. According to the method, the operation is convenient, a huge matrix does not need to be built, and the consumed fund is little.
Description
Technical field
The invention belongs to the technical field of Alga Sgrgassi Enerves artificial fecundation and restoration of the ecosystem, be specifically related to a kind of method repairing Alga Sgrgassi Enerves field, Intertidal zone.
Background technology
Tangleweed field is the reparation person of the marine eco-environment and stable person.Due to problems such as environmental pollution and man-land relationship's anxieties, natural cay water front is seriously damaged, and the serious exhaustion of Rocky Intertidal Zone Alga Sgrgassi Enerves resource, Alga Sgrgassi Enerves field ecological functions also substantially weaken therewith.Many countries take the mode throwing in substantial amounts of artificial fishing bank in seabed to repair sea jungle in the world, and achieve obvious effect, but this repair mode needs spend huge fund and build huge substrate, inconvenient operation, take time and effort, be not suitable for Rocky Intertidal Zone.
Adopting propagation, shifting to grow Alga Sgrgassi Enerves method is realize the real effective means that Rocky Intertidal Zone Alga Sgrgassi Enerves field is recovered.At present, move plantation technology Application comparison extensively based on amphigenetic increasing of Sargassum, but this technology is only limitted to the breeding season of frond, and the shifting plantation technology of plantlet stage is studied less.
Summary of the invention
It is an object of the invention to provide a kind of method repairing Alga Sgrgassi Enerves field, Intertidal zone, it is easy to operate, it is not necessary to building huge substrate, cost fund is few.
For reaching above-mentioned technical purpose, the technical solution used in the present invention is as follows:
A kind of method repairing Alga Sgrgassi Enerves field, Intertidal zone, it is characterised in that: adopt mesh bag bundle Seedling lapidation method, transplant and cultivate Alga Sgrgassi Enerves seedling；Make described Alga Sgrgassi Enerves seedling can carry out syngenesis and monogony；
Described mesh bag bundle Seedling lapidation method comprises the following steps:
(1) Alga Sgrgassi Enerves seedling is fixed in mesh bag, makes the rhizoid of described Alga Sgrgassi Enerves seedling be close to mesh bag；
(2) stone is placed in described mesh bag, and mesh bag mouth is tightened sealing；
(3) time of low water, the mesh bag of step 2 gained is thrown between low water neaps line and the spring low-water line of Intertidal zone.
The method of the present invention adopts mesh bag binding Alga Sgrgassi Enerves seedling, and in mesh bag, place Seedling and stone, throw in being intended to carry out the low tide place of impaired Alga Sgrgassi Enerves field marine repaired, by the cultivation under the natural conditions of sea area, what above-mentioned transplanting introduced transplants and cultivates Alga Sgrgassi Enerves seedling at impaired Alga Sgrgassi Enerves field marine and by growth and be developed to sexual maturity, and the Alga Sgrgassi Enerves germling of petrofacies substrate is produced can normally adhere in a large number by syngenesis, the rhizoid of the Alga Sgrgassi Enerves seedling that above-mentioned transplanting simultaneously introduces also can apposition growth again, and carry out nourishing and generating on rhizoid, grow sprouting, Alga Sgrgassi Enerves population reconstruction is realized at impaired Alga Sgrgassi Enerves field marine thus playing, maintain population normally to multiply, promote to make the reparation of described Alga Sgrgassi Enerves field.
Described mesh bag is preferably nylon net bag, and aperture is for for 4 ~ 6cm.
Preferably, described mesh bag soaks at least 1 month before use in the seawater, so that mesh bag fully absorbs sea water, is beneficial to rhizoid apposition growth again.
Preferably, cotton cord is used to be tied on mesh bag by the rhizoid of described Alga Sgrgassi Enerves seedling.
Preferably, described mesh bag is fixed with digital signage, in order to statistics.
Preferably, described mesh bag is have ball float, in order to find the Alga Sgrgassi Enerves after transplanting.
According to tidal condition, after tidewater retreats to spring low-water line, exposes mesh bag, in the growth promoter situation of appropriate interval observed and recorded Alga Sgrgassi Enerves.
Compared with prior art, the method have the advantages that
(1) method of the present invention is for the Alga Sgrgassi Enerves resource slump of disastrous proportions of current Daya Bay Rocky Intertidal Zone region, the present situation of Alga Sgrgassi Enerves field petrofacies habitat heavy damage, and the ever-increasing situation of Ecological Construction current demand of hand-packed rockfill shore protection water front, treatment in accordance with local conditions, gather materials on the spot, adopt " mesh bag bundle Seedling lapidation method " successfully to move at impaired Alga Sgrgassi Enerves field marine and grown Alga Sgrgassi Enerves seedling, be provided with effect technique method for the artificial reconstruction in Alga Sgrgassi Enerves field；
(2) method in the present invention is adopted, move the Alga Sgrgassi Enerves energy normal growth grown and reach sexual maturity, and the Alga Sgrgassi Enerves germling that can adhere in a large number can be produced by syngenesis, the Alga Sgrgassi Enerves rhizoid grown with time shift can apposition growth again, and carry out nourishing and generating and grow new plant, realize Alga Sgrgassi Enerves population reconstruction, and plant a colony further in affected area；
(3) present invention is after Alga Sgrgassi Enerves seedling is grown in shifting, it is not necessary to labor management, simple to operate, with low cost, and labor intensity is little, it is easy to large scale application；
(4) method of the present invention is moved the Alga Sgrgassi Enerves grown is nature Alga Sgrgassi Enerves seedling, it is necessary to seedling numbers is less, saves the work that room heat source is cultivated；
(5) the method treatment in accordance with local conditions of the present invention, gathers materials on the spot, and saves Alga Sgrgassi Enerves increasing and moves the preparation growing required a large amount of attaching substratums；
(6) use the Alga Sgrgassi Enerves survival rate that the method for the present invention moves to high, then apposition growth ability is strong, it is easy to follow the tracks of and observe and management.
Accompanying drawing explanation
Below in conjunction with Figure of description and specific embodiment, the present invention is further detailed.
Fig. 1 illustrates the schematic diagram of the binding Alga Sgrgassi Enerves seedling mesh bag in embodiment；
Fig. 2 illustrates the upgrowth situation after transplanting 4 months of the Alga Sgrgassi Enerves seedling in embodiment；
Fig. 3 illustrates the apposition growth after transplanting 4 months of the Alga Sgrgassi Enerves seedling in embodiment rhizoid on cotton cord；
Fig. 4 illustrates the apposition growth after transplanting 4 months of the Alga Sgrgassi Enerves seedling in embodiment rhizoid on mesh bag；
Fig. 5 be Alga Sgrgassi Enerves seedling in embodiment after transplanting 4 months with the frond length of natural Alga Sgrgassi Enerves and rhizoid path length relative analysis figure；
Fig. 6 illustrates the female receptacle that the Alga Sgrgassi Enerves seedling in embodiment produces after transplanting 5 months；
Fig. 7 illustrates the male receptacle that the Alga Sgrgassi Enerves seedling in embodiment produces after transplanting 5 months；
Fig. 8 illustrates the germ cell adhered on female receptacle observed under an optical microscope in embodiment；
The juvenile sporophyte that Fig. 9 illustrates the Alga Sgrgassi Enerves sexual propagation success in embodiment, is attached on stone.
Accompanying drawing illustrates: 1-ball float；2-digital signage；3-mesh bag；4-rhizoid；5-stone；6-Alga Sgrgassi Enerves seedling；7-cotton cord；9-Alga Sgrgassi Enerves；The female receptacle of 10-；11-hero receptacle；12-germ cell；13-juvenile sporophyte.
Detailed description of the invention
As shown in Figure 1, a kind of method repairing Alga Sgrgassi Enerves field, adopt mesh bag binding Alga Sgrgassi Enerves seedling, and in mesh bag, place stone, throw in impaired Alga Sgrgassi Enerves field marine, move the Alga Sgrgassi Enerves seedling normal growth under field conditions (factors) grown and be developed to sexual maturity, it is achieved sexual and vegetative Alga Sgrgassi Enerves population reconstruction can be carried out, promoting the reparation of Alga Sgrgassi Enerves field.
Described mesh bag bundle Seedling lapidation method comprises the following steps:
(1) mesh bag prepares: the nylon mesh sheet that aperture is 5cm is cut into 50cm × 100cm specification 10, the mesh bag 3 of openings at one side it is sewn into nylon rope, and on mesh bag 3, tie up acrylic digital signage 2, it is simple to add up in the future, mesh bag 3 is soaked 1 month in nature seawater；
(2) Alga Sgrgassi Enerves seedling prepares: during mid or late November low tide one, more than 100 half complete leaf Alga Sgrgassi Enerves plant shoots of form is gathered at the int Rocky Intertidal Zone of Daya Gulf, frond length 5 ~ 10cm, band sea water is transported to nursery workshop, with cotton cord, seedling 6 is tied up on above-mentioned mesh bag, each mesh bag bundlees 10 half leaf Alga Sgrgassi Enerves seedling 6, as far as possible makes frond rhizoid be close to mesh bag 3, by the temporary culture of seedling that bundled in the pond having nature seawater；
(3) shifting is grown to Intertidal zone: the time of low water, bundle Seedling mesh bag is transported to the Rocky Intertidal Zone that Daya Gulf is impaired, the on-the-spot stone 5 choosing suitable size in Intertidal zone is placed in mesh bag, seal with nylon rope, it is placed between low water neaps line and the spring low-water line of Intertidal zone, and on mesh bag, fasten ball float 1, it is simple to find in the future and follow the tracks of and observe.
(4) growing state is followed the tracks of and is observed: moves after growing 4 months, when tidewater retreats to spring low-water line, the bundle Seedling mesh bag surfaced is exposed and picked up.Now the upgrowth situation of Alga Sgrgassi Enerves is such as shown in Fig. 2 ~ 4.Move with ruler measurement and grow body length and the rhizoid path length of Alga Sgrgassi Enerves, the survival rate of record Alga Sgrgassi Enerves, measure simultaneously and with the long-living situation of Alga Sgrgassi Enerves in the natural Alga Sgrgassi Enerves field of not destroyed natural areas, to compare analysis (Fig. 5).Result shows, move the Alga Sgrgassi Enerves energy normal growth grown, survival rate is 36.7%, wherein 66.7% Alga Sgrgassi Enerves success is attached on cotton cord or mesh bag again, illustrate that Alga Sgrgassi Enerves rhizoid has stronger adhesive ability again, and Alga Sgrgassi Enerves rhizoid fails and is attached on stone, it is possible to due to continual Lidar Equation, rhizoid can not attach and be attached to block faces.Move that to grow the frond length of Alga Sgrgassi Enerves be 83.34 ± 50.22cm, be substantially less than nature Alga Sgrgassi Enerves length (159.54 ± 63.17cm) (P< 0.05), and move (1.96 ± 1.44cm) that grow the rhizoid path length (1.01 ± 0.5cm) of Alga Sgrgassi Enerves and natural Alga Sgrgassi Enerves without significant difference (P> 0.05).This is likely due to compared with natural Alga Sgrgassi Enerves, moves the Alga Sgrgassi Enerves grown and more matter and energy consumption in tissue is used for the growth of rhizoid, again apposition growth, thus the growth of frond is brought certain impact.
(5) sexual propagation situation is followed the tracks of and is observed: moves after growing 5 months, observes and move the morphological development situation growing Alga Sgrgassi Enerves.As shown in Fig. 6 ~ 9, moving the Alga Sgrgassi Enerves grown and all reach maturation, ripe Alga Sgrgassi Enerves forms receptacle between axil.Half leaf Alga Sgrgassi Enerves is dioecism, female receptacle 10 tubbiness, and up to 4mm, diameter is about 1.5mm, and male receptacle 11 is elongated, and up to 15mm, diameter is about 1mm.Gathering ripe receptacle in laboratory optical microphotograph Microscopic observation, each receptacle has many genital fossas, genital fossa can discharge substantial amounts of sperm and ovum, and ripe ovum is affiliated on female receptacle after discharging and is waited that fertilization becomes generation germ cell 12.Germ cell departs from female receptacle with stormy waves and washing away of trend, and growth promoter becomes Alga Sgrgassi Enerves germling, grows rhizoid, and then anchors at life on cay and stone, and growth promoter becomes juvenile sporophyte 13, and final promotion Alga Sgrgassi Enerves population is rebuild in impaired marine site..
(6) asexual propagation situation is followed the tracks of and is observed: moving after growing 6 months, tidewater retreats to spring low-water line, and mesh bag exposes and picks up, and observes and moves the morphological development situation growing Alga Sgrgassi Enerves.Result shows, shifting grows Alga Sgrgassi Enerves after the syngenesis phase, receptacle comes off in a large number, except frond Non Basal Rhizoids and main footpath, remainder is substantially rotten, rhizoid can be sprouted several sproutings and grow up to new frond, illustrate to move the rhizoid growing Alga Sgrgassi Enerves the same with natural Alga Sgrgassi Enerves, there is stronger regeneration capacity, this nourishing and generating successfully can provide a large amount of seeds for affected area, promotes reconstruction and the recovery of Alga Sgrgassi Enerves field.
Above example is used merely to explain the present invention, and protection scope of the present invention is not intended to be limited to above example.Those skilled in the art, according to above present disclosure and the taken scope of each parameter, all can realize the purpose of the present invention.
Claims (6)
1. the method repairing Alga Sgrgassi Enerves field, Intertidal zone, it is characterised in that: adopt mesh bag bundle Seedling lapidation method, transplant and cultivate Alga Sgrgassi Enerves seedling, make described Alga Sgrgassi Enerves seedling can carry out syngenesis and monogony；
Described mesh bag bundle Seedling lapidation method comprises the following steps:
A Alga Sgrgassi Enerves seedling is fixed in mesh bag by (), make the rhizoid of described Alga Sgrgassi Enerves seedling be close to mesh bag；
B stone is placed in described mesh bag by (), and mesh bag mouth is tightened sealing；
(c) time of low water, the mesh bag of step b gained is thrown between low water neaps line and the spring low-water line of Intertidal zone.
2. the method for Alga Sgrgassi Enerves field, reparation Intertidal zone according to claim 1, it is characterised in that: described mesh bag is nylon net bag, and aperture is for for 4 ~ 6cm.
3. the method for Alga Sgrgassi Enerves field, reparation Intertidal zone according to claim 2, it is characterised in that: described mesh bag soaks at least 1 month before use in the seawater.
4. the method repairing Alga Sgrgassi Enerves field, Intertidal zone according to claim 1 ~ 3, it is characterised in that: use cotton cord to be tied on mesh bag by the rhizoid of described Alga Sgrgassi Enerves seedling.
5. the method repairing Alga Sgrgassi Enerves field, Intertidal zone according to claim 1 ~ 3, it is characterised in that: described mesh bag is fixed with digital signage.
6. the method repairing Alga Sgrgassi Enerves field, Intertidal zone according to claim 1 ~ 3, it is characterised in that: there is ball float in described mesh bag system.
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| CN109169413A (en) * | 2018-10-26 | 2019-01-11 | 中国科学院南海海洋研究所 | A kind of separation method and transplantation method of the single anthocyathus of helmet shape coral |
| CN109932480A (en) * | 2017-12-15 | 2019-06-25 | 中国科学院烟台海岸带研究所 | A method of measurement releases Sargassum horneri and cuts the seedling time |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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