CN106359210A - Method for artificial propagation of mytilus coruscus in intertidal zone of rocky reef phase - Google Patents
Method for artificial propagation of mytilus coruscus in intertidal zone of rocky reef phase Download PDFInfo
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- CN106359210A CN106359210A CN201610701290.1A CN201610701290A CN106359210A CN 106359210 A CN106359210 A CN 106359210A CN 201610701290 A CN201610701290 A CN 201610701290A CN 106359210 A CN106359210 A CN 106359210A
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- screen cloth
- mytilus coruscus
- manila rope
- manila
- mussel
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention provides a method for artificial propagation of mytilus coruscus in an intertidal zone of a rocky reef phase. According to the invention, mytilus coruscus juveniles are temporarily conserved at a sea area; the mytilus coruscus larvae are wrapped in net bags prepared with a papyrus material; the net bags with the mytilus coruscus larvae are connected in series, and are placed into the intertidal zones of the rocky reef phase or a dimension stone phase of a natural sea area, such that the artificial propagation of the mytilus coruscus is completed. According to the invention, thick hemp ropes are selected as an attachment base, and thin hemp ropes are wound on the thick manila ropes, such that the base surface area to which mytilus coruscus byssuses are attached is increased. The net bags used for wrapping the mytilus coruscus larvae and the hemp ropes used for attachment of the mytilus coruscus larvae can be rapidly digested under seawater erosion, such that artificial removal is not needed. Therefore, manual labor is effectively reduced, and plastic garbage is not brought to the environment. Mytilus coruscus can first attach to the net bags or the hemp ropes, and with the digestion of the net bags and the hemp ropes, the mytilus coruscus can attach to rocky reef gaps. With the mytilus coruscus secondary attachment manner, mytilus coruscus larvae attachment rate on the rocky reef is greatly improved, and the mytilus coruscus artificial propagation effect is improved.
Description
Technical field
The present invention relates to a kind of artificial fecundation method of Mytilus crassitesta Lischke is and in particular to a kind of cay phase Intertidal zone artificial fecundation
The method of Mytilus crassitesta Lischke, belongs to fisheries resources conservation technical field.
Background technology
Mytilus crassitesta Lischke is under the jurisdiction of Mollusca, Bivalvia, is commonly called as Mytilus, Fructus mail micromali, be mainly distributed on Japan, Korea and I
The ground such as the Huanghai Sea of state, the East Sea and Taiwan, wherein in the NanJi Isalnds of the Shengsi archipelago in Zhoushan, the fishing mountain archipelago in Ningbo and Wenzhou
NATURAL DISTRIBUTION is particularly evident.Under naturalness, their waves that are attached to hit on the off-lying sea rock of band more.Because its individual big, meat fertilizer
U.S., is the important economic marine breeds of Along Zhejiang Coast, and local a lot of residents' dependence fish mussel and make a living, so they are artificially adopted
Greatly, wherein in the Intertidal zone artificially protected, the quantity of Mytilus crassitesta Lischke has greatly reduced the pressure caught, its stock number
Significantly reduce, therefore the propagation of Mytilus crassitesta Lischke resource and the demand of protection are very urgent.
The artificial propagation of Mytilus crassitesta Lischke, seed rearing and the process naturally formed are more ripe, current Mytilus crassitesta Lischke
The acquisition of artificial seed has been relatively easy to.In the Shengsi archipelago marine site of Zhoushan Of Zhejiang Province, Mytilus crassitesta Lischke has evolved into
Local fisherman is engaged in the Important Economic species of artificial cultivation, and economic benefit is considerable.But the natural habitat of Mytilus crassitesta Lischke is many
Intertidal zone for cay phase and subtidal zone, and Mytilus crassitesta Lischke is perennial species, generally requires 3-4's from seed to forming
Time, therefore growth cycle are long, and this also there is a difficult problem for a mussel resource clear-cutting forestland: be exactly Mytilus crassitesta Lischke from
So, once being destroyed, the process of its clear-cutting forestland will be extremely very long, which exasperates to Mytilus crassitesta Lischke protection of resources for resource
Demand.
Currently, there are researcher and fisherman to carry out the artificial fecundation of Mytilus crassitesta Lischke, but the method for propagation is typically utilized in
Intertidal zone sends out and naturally send out naturally+two methods of cover net.Above two method accrues for Mytilus crassitesta Lischke and has
Certain meaning, but there is also many problems in practical operation, it is mainly reflected in: first method is in exposed Intertidal zone
Send out, send out after being typically all selected in sea water ebb, but Mytilus crassitesta Lischke is to rely on byssus to be attached on rock or other attachment,
Generally mussel byssus secretes the time of simultaneously set completely all more than 12 hours, and the time that tidewater flood tide is flooded generally less than 3 is little
When, therefore one Tidal period, the mussel Seedling sent out just is swept away by sea water；Second method is the improvement to first method,
Cover net, the escape of preventing and treating mussel are placed in the region sent out, and this has played some effect to a certain extent, but Intertidal zone is mostly broken
Stone, unevenness, cover the mussel Seedling after net and escape also clearly.Therefore above two method, for the Mytilus crassitesta Lischke that accrues
It is not best selection.
Content of the invention
This technical problem to be solved is in view of the shortcomings of the prior art, and provides a kind of cay phase Intertidal zone
The method of artificial fecundation Mytilus crassitesta Lischke, the method, using the rope made of hemp as attachment base, can increase the basal surface of mussel byssus attachment, and
The rope made of hemp can with rapid-digestion, need not remove, effectively reduce hand labor, and environment will not be brought " plastic garbage "；Additionally,
Mussel can first anchor on mesh bag or the rope made of hemp, and with clearing up of mesh bag and the rope made of hemp, mussel can be attached in cay gap, this
The mode of the secondary attachment of mussel, substantially increases adhesive rate on cay for the seed, improves the effect of mussel artificial fecundation.
In order to realize above-mentioned technical purpose, the present invention adopts the following technical scheme that
A kind of method of cay phase Intertidal zone artificial fecundation Mytilus crassitesta Lischke, comprises the following steps:
(1) screen cloth is cut into rectangular screen cloth block, manila rope is cut into manila rope section, manila rope section is positioned over
The central authorities (as shown in Figure 1) of screen cloth block, the trend of manila rope section is identical with the long side of screen cloth block, and the length of manila rope section is more than
The length of screen cloth block；The some fine cordages of loose winding in manila rope section；
(2) will peel off from rope of keeping a full stand of seedings through the juvenile mollusk that sea area hanging bag is kept a full stand of seedings, the juvenile mollusk of peeling crosses the hole sizer of 2-3cm, from
And ensure to be sufficiently separated between juvenile mollusk；The monomer juvenile mollusk of stripping is uniformly sent out in the both sides of the described manila rope section of step (1)
(as shown in Figure 2)；
(3), after mussel is sowed finishing, the long side of screen cloth block is rolled to central authorities, thus by the mussel parcel in screen cloth block
Get up to be formed screen cloth bag (as shown in Figure 3)；Then with fine cordage by screen cloth cladding winding, knotting, fine cordage screen cloth wrap every
5-8cm knots, thus forming a complete screen cloth bag wrapping up mussel by fixing for the mussel of monoblock screen cloth and Qi Nei
(as shown in Figure 4)；
(4) two ends of the 5-10 bar screen cloth bag obtaining step (3) lie on two hawsers (as shown in Figure 5) respectively,
There is a numb matter mesh bag in each system in the two ends of hawser thus forming a Seedling net；It is placed with stone thus convenience is in tide in described mesh bag
Between band fix；
(5) the Seedling net obtaining step (5) is first positioned in large-scale sea water groove and temporarily supports 12-24h, in order to the seed of juvenile mollusk
It is affixed on the rope made of hemp；After spring tide ebb, whole Seedling net is laid in the rock crevice of Intertidal zone；Placement location selects attachment life
Thing is more, the Intertidal zone of rock or block stone phase, and current are unsuitable too fast, and wave is unsuitable excessive, releases place and tries one's best and selects near low
The vicinity of damp line, low tidal region in also may be selected, high tidal region not may be selected；Place as the stronger megathermal period in sunlight illumination, permissible
Puggaree is suitably selected to cover, in case mussel is dead because of high temperature.
Preferably, in step (1), described screen cloth, preferably outsourcing material are the screen cloth of sudd matter；Described thick fiber crops
Rope, the preferably manila rope of more than diameter 20mm；Described fine cordage, is the fine cordage of diameter 1mm.
Preferably, in step (1), described manila rope soak in the seawater 48h and above after, can directly use,
Can reuse after drying；Described fine cordage equally in the seawater soak 48h and above after, can directly using it is also possible to
Reuse after drying.
Preferably, in step (1), described screen cloth block, width is 25cm, length is 3-10m；Described manila rope section,
Segment length is at least than screen cloth segment length 40cm.
Preferably, in step (2), the juvenile mollusk of described peeling, length specification is 1-2cm.
Preferably, in step (2), send out monomer juvenile mollusk in the both sides of described manila rope section, every 10cm manila rope section is broadcast
Spread monomer juvenile mollusk 30-50 grain.
Preferably, in step (4), described screen cloth bag be spaced apart 30-60cm.
The advantage of the method for the present invention is: by using the mesh bag that can naturally clear up and the rope made of hemp, improves Mytilus crassitesta Lischke
Survival rate in Intertidal zone and natural adhesive rate.First, from manila rope as attachment base, and carefully fiber crops are wound around on manila rope
Rope, increases the basal surface of mussel byssus attachment；Secondly, the mesh bag of Bao Miao and the rope made of hemp of spatfall are equal after being washed away by sea water
Energy rapid-digestion, it is not necessary to manual demolition, effectively reduces hand labor, and environment will not be brought " plastic garbage "；3rd,
Mussel can first anchor on mesh bag or the rope made of hemp, and with clearing up of mesh bag and the rope made of hemp, mussel can be attached in cay gap, this
The mode of the secondary attachment of mussel, substantially increases adhesive rate on cay for the seed, improves the effect of mussel artificial fecundation.
Brief description
Fig. 1: in the inventive method, manila rope section is positioned over the schematic diagram in the central authorities of screen cloth block；
Fig. 2: in the inventive method, mussel places schematic diagram；
Fig. 3: in the inventive method, wrap up mussel schematic diagram；
Fig. 4: in the inventive method, the screen cloth bag schematic diagram of formation；
Fig. 5: in the inventive method, Seedling curtain structure schematic diagram.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1:
The material used in the present embodiment includes: Mytilus crassitesta Lischke juvenile mollusk (the high average 1.55cm of shell) 6000, sudd matter net
Cloth 15m, manila rope (more than diameter 20mm) 17m, fine cordage (diameter 1mm) are some, the rope made of hemp that is connecting is some, mesh bag 4；
A kind of method of cay phase Intertidal zone artificial fecundation Mytilus crassitesta Lischke, comprises the following steps:
(1) by the screen cloth of sudd matter, rectangular screen cloth block, wide 25cm, length 3m are cut into；By manila rope (diameter
More than 20mm) and fine cordage through sea water invade bubble 48h, by manila rope be cut into length be 3.4m 5 sections of manila rope sections；Net will be positioned over
The central authorities of cloth, the trend of manila rope section is identical with the long side of screen cloth block, and screen cloth block is each exposed at the two ends of manila rope section
20cm；The some fine cordages of loose winding in manila rope section；
(2) monomer Mytilus crassitesta Lischke juvenile mollusk is uniformly sent out in the screen cloth block of step (2), each screen cloth sends out 1200,
Average density is that every 10cm places 40, seed；
(3) the screen cloth block forming step (3) is rolled from both sides, then wraps up mussel；With fine cordage from the beginning of one end
Fixing, tie a knot one every 5-8cm, successively whole piece screen cloth and the rope made of hemp are fixed, form a complete screen cloth bag；
(4) 5 screen cloth bags forming step (4), two is connected respectively on two hawsers, between two bags
Distance is 50cm；Mesh bag 1 is fixed at the two ends of hawser respectively, and the built-in stone of mesh bag, in order to fixation, forms a Seedling net；
(5) temporarily 12h be will support in above-mentioned Seedling net large-scale sea water groove, aquaculture in which marine site, aquaculture be then placed into
The adhesive rate of mussel is counted, natural adhesive rate is 100% after 48h.
Embodiment 2:
Substantially the same manner as Example 1, except that, screen cloth used is plastic material, and manila rope used is also plastics material
Matter, counts the adhesive rate of mussel after aquaculture 48h, natural adhesive rate is 100%.
Embodiment 3:
Substantially the same manner as Example 1, except that, screen cloth used be sudd matter, manila rope used be diameter 20mm with
On plastic ties, after aquaculture 48h count mussel adhesive rate, natural adhesive rate be 100%.
Comparative example 1:
Select size, specification juvenile mollusk similarly to Example 1, except that, do not adopt upper type, take direct tide
Between the mode sent out of band, after implementing 12h, the adhesive rate of mussel is only 15.2%, and to implementing after 48h, the adhesive rate of mussel is only
6.4%.
Comparative example 2:
Select size, specification juvenile mollusk similarly to Example 1, except that, do not adopt above-mentioned bag Seedling mode, take
Directly+the mode of cover net is sent out in Intertidal zone, and after implementing 12h, the adhesive rate of mussel is only 62.8%, to implementing after 48h, mussel
Adhesive rate is 45.6%.
Continue the sudd matter screen cloth it has been observed that employed in the embodiment of the present invention 1, after sea water immersion 7 days, start to disappear
Solution, to after 15 days, clears up completely；In embodiment 1, manila rope used, gradually clears up after 2 months.Used in embodiment 2 mould
Material screen cloth and plastic ties can not be cleared up naturally, for ensureing mussel normal growth, need manual demolition screen cloth.Implement paper used in 3
It is consistent with embodiment 1 that rule cleared up by herbaceous stem screen cloth, but plastic ties can not be cleared up, and if do not removed, will exist for a long time in nature.
Examples detailed above simply technology design to illustrate the invention and technical characterstic, can not limit the present invention's with this
Protection domain.Equivalent transformation or modification that all essence according to the present invention is done, all should cover in protection scope of the present invention
Within.
Claims (7)
1. a kind of method of cay phase Intertidal zone artificial fecundation Mytilus crassitesta Lischke is it is characterised in that comprise the following steps:
(1) screen cloth is cut into rectangular screen cloth block, manila rope is cut into manila rope section, manila rope section is positioned over screen cloth
The central authorities of block, the trend of manila rope section is identical with the long side of screen cloth block, and the length of manila rope section is more than the length of screen cloth block；To
The some fine cordages of loose winding in manila rope section；
(2) will peel off from rope of keeping a full stand of seedings through the juvenile mollusk that sea area hanging bag is kept a full stand of seedings, the juvenile mollusk of peeling crosses the hole sizer of 2-3cm, thus protecting
It is sufficiently separated between card juvenile mollusk；The monomer juvenile mollusk of stripping is uniformly sent out in the both sides of the described manila rope section of step (1)；
(3), after mussel is sowed finishing, the long side of screen cloth block is rolled to central authorities, thus the mussel in screen cloth block is wrapped up
Form screen cloth bag；Then with fine cordage by screen cloth cladding winding, knotting, fine cordage is wrapped in screen cloth and is knotted every 5-8cm, from
And form a complete screen cloth bag wrapping up mussel by fixing for the mussel of monoblock screen cloth and Qi Nei；
(4) two ends of the 5-10 bar screen cloth bag obtaining step (3) lie on two hawsers respectively, and each system in two ends of hawser has
One numb matter mesh bag is thus form a Seedling net；It is placed with stone thus convenient fix in Intertidal zone in described mesh bag；
(5) the Seedling net obtaining step (5) is first positioned in large-scale sea water groove and temporarily supports 12-24h, in order to the seed set of juvenile mollusk
To on the rope made of hemp；After spring tide ebb, whole Seedling net is laid in aquaculture in the rock crevice of Intertidal zone.
2. method according to claim 1 is it is characterised in that in step (1), described screen cloth, be outsourcing material be paper
The screen cloth of herbaceous stem；Described manila rope, is the manila rope of more than diameter 20mm；Described fine cordage, is the thin fiber crops of a diameter of 1mm
Rope.
3. method according to claim 1 is it is characterised in that in step (1), described manila rope soaks in the seawater
48h and above after, directly using or reuse after drying；Described fine cordage equally in the seawater soak 48h and above after, directly
Reuse after connecing using or drying.
4. method according to claim 1 is it is characterised in that in step (1), described screen cloth block, and width is 25cm, length
Spend for 3-10m；Described manila rope section, segment length is at least than screen cloth segment length 40cm.
5. method according to claim 1 is it is characterised in that in step (2), the juvenile mollusk of described peeling, length specification
For 1-2cm.
6. method according to claim 1 is it is characterised in that in step (2), send out in the both sides of described manila rope section
Monomer juvenile mollusk, every 10cm manila rope section sows monomer juvenile mollusk 30-50 grain.
7. method according to claim 1 is it is characterised in that in step (4), described screen cloth bag be spaced apart 30-
60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610701290.1A CN106359210B (en) | 2016-08-20 | 2016-08-20 | A kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610701290.1A CN106359210B (en) | 2016-08-20 | 2016-08-20 | A kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel |
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| CN106359210A true CN106359210A (en) | 2017-02-01 |
| CN106359210B CN106359210B (en) | 2019-03-22 |
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| CN201610701290.1A Active CN106359210B (en) | 2016-08-20 | 2016-08-20 | A kind of method of rock reef phase intertidal zone artificial fecundation Trachyostracous mussel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110140679A (en) * | 2019-05-29 | 2019-08-20 | 浙江海洋大学 | It is a kind of quickly to hang and take mussel seedling rope device |
| CN110326565A (en) * | 2019-08-14 | 2019-10-15 | 浙江海洋大学 | A kind of automatic Bao Miaoji of woven type mussel |
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| CN105104241A (en) * | 2015-05-22 | 2015-12-02 | 浙江海洋学院 | Intertidal zone marine organism protective structure |
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| CN1484946A (en) * | 2002-09-25 | 2004-03-31 | 中国科学院海洋研究所 | Fry anaphase intermediate formation method adapated for seashell of shallows-tidal-flat area |
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| CN110140679A (en) * | 2019-05-29 | 2019-08-20 | 浙江海洋大学 | It is a kind of quickly to hang and take mussel seedling rope device |
| CN110326565A (en) * | 2019-08-14 | 2019-10-15 | 浙江海洋大学 | A kind of automatic Bao Miaoji of woven type mussel |
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| CN106359210B (en) | 2019-03-22 |
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