CN106258408B - A kind of implantation methods restoring extra large scirpus scirpus Natural Population - Google Patents
A kind of implantation methods restoring extra large scirpus scirpus Natural Population Download PDFInfo
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- CN106258408B CN106258408B CN201610668313.3A CN201610668313A CN106258408B CN 106258408 B CN106258408 B CN 106258408B CN 201610668313 A CN201610668313 A CN 201610668313A CN 106258408 B CN106258408 B CN 106258408B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
Abstract
The present invention relates to ecological engineering technology fields, disclose a kind of implantation methods for restoring extra large scirpus scirpus Natural Population.Method includes the following steps: the pretreatment of planting area: being turned over to planting area, turn over rear topography drop less than 5cm；The vernalization of extra large scirpus scirpus seed: after extra large scirpus scirpus seed refrigeration pretreatment a period of time, it is placed in Germination under suitable condition；The plantation of extra large scirpus scirpus: the extra large scirpus scirpus seed of germination is sowed in planting area after the pre-treatment；The water level control of planting area and final-period management: when the extra large scirpus scirpus seed that sowing has been germinateed, water level is no more than 1cm；When extra large scirpus scirpus height of seedling is 10~15cm, water level is no more than 5cm；When extra large scirpus scirpus height of seedling is greater than 20cm, water level is no more than 10cm；Submergence time was no more than 2 days；Weeds toatl proportion must not be higher than 1 ‰, and Spartina alterniflora plant need to remove in time.The present invention increases the bio-diversity of sabkha so that the structure and function of the sabkha ecosystem is restored by plantation autochthonous flora sea scirpus scirpus.
Description
Technical field
The present invention relates to ecological engineering technology field, in particular to a kind of plantation side for restoring extra large scirpus scirpus Natural Population
Method.
Background technique
Extra large scirpus scirpus (Scirpus × mariqueter) is a kind of herbaceos perennial of Cyperaceae Scirpus, is
Indigenous species and key species in Shanghai Chongming Dong Tan or even entire estuary area wetlands ecosystems, once it disappears, the ecosystem
It will collapse.Extra large scirpus scirpus is also China endemic species, is mainly distributed on estuary area and Hangzhou Wan, is that beach intertidal zone is primary
Pionner in bare area plays highly important role in estuary area wetlands ecosystems.Extra large scirpus scirpus can
The large area single species group of continuous dozens of kilometres is formed in river mouth intertidal zone, has the function of disappear wave, shield beach, rush silt etc..Sea
Scirpus scirpus generates the higher pyrene of much starch content and underground bulb every year, the zoobenthos very abundant in group,
A large amount of vegetalitas and animal bait can be provided to inhabit this Wetland Waterbirds.Extra large scirpus scirpus is also that many aquatic animals mention
For spawning place and habitat, withered aerial part of annual winter rots to form clast abundant after decomposing, and becomes maintenance length
The foundation stone of rivers mouth food web.Extra large scirpus scirpus group is dense neat in Growing season, and beach large area is distributed along the coastline, and one
It hopes boundless, while inhabiting this there are many Migrants, be worth with the important aesthetic of landscape.Therefore, extra large scirpus scirpus is long
The primary producer of most critical in the wetlands ecosystems of Jiangkou, status is special, function is extensive, has the function of can not be substituted.
In the past 30 years, due to the influence that human activity interference and alien species Spartina alterniflora invade, extra large scirpus scirpus etc.
The existence of endemic species, which receives, to be seriously threatened, and distribution area is from about 135km2Fall sharply to 40km2Hereinafter, large area is grand
Extra large scirpus scirpus simple community has disappeared totally, only remains some small patches.This variation causes estuary area wetland
The change of ecosystem Carbon and nitrogen cycles mode, makes the food source of macrobenthos and necton change, reduces
Rhizosphere microbiologic population, benthic fauna and bird community diversity, seriously affected Chongming Wetland ecology
Integrality, health and the service function of system.This trend such as cannot effectively be contained that this species of extra large scirpus scirpus have
It may move towards whole in entrance of Changjiang River to become extinct, estuary wetland ecosystem can also collapse.Therefore, Chongming Dongtan or even entire entrance of Changjiang River
The extra large scirpus scirpus population of beach all urgently restores and rebuilds.
But in the extra large scirpus scirpus population of natural beach reconstruction, there are many severe challenges.For example, the sea three of artificial growth
Rib scirpus triqueter seedling is unable to bear prolonged waterflooding, seawater scouring and Salt Strees Condition.In addition, the extra large scirpus scirpus children that success is planted
The speed of growth of seedling is lower than the sediment accumulation rate of deposit, causes to be buried by soil.
In conclusion a kind of implantation methods of the extra large scirpus scirpus Natural Population of the recovery for providing optimization are that we need at present
It solves the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of implantation methods for restoring extra large scirpus scirpus Natural Population, so that sabkha is ecological
The structure and function of system is restored, and the bio-diversity of sabkha is increased.
In order to solve the above technical problems, embodiments of the present invention provide a kind of recovery sea scirpus scirpus Natural Population
Implantation methods, comprising the following steps: the pretreatment of planting area: turning over planting area, turns over rear topography drop and is less than
5cm；The vernalization of extra large scirpus scirpus seed: it after extra large scirpus scirpus seed refrigeration pretreatment a period of time, is placed under suitable condition and urges
Bud is sprouted；The plantation of extra large scirpus scirpus: the extra large scirpus scirpus seed of germination is sowed in planting area after the pre-treatment；Growing area
The water level control in domain and final-period management: when the extra large scirpus scirpus seed that sowing has been germinateed, water level is no more than 1cm；When extra large trigone
Scirpus triqueter height of seedling is 10~15cm, and water level is no more than 5cm；When extra large scirpus scirpus height of seedling is greater than 20cm, water level is no more than 10cm；
Submergence time was no more than 2 days.
Embodiment of the present invention in terms of existing technologies, due to extra large scirpus scirpus be in the seashore wetland ecosystem most
One of important ecological systems engineering teacher and most important primary producer are the foundation stones of entire river mouth food web, for sea three
The growth characteristic of rib scirpus triqueter, the present invention provides a kind of implantation methods for restoring extra large scirpus scirpus Natural Population, so that sabkha is raw
The structure and function of state system is restored, and the bio-diversity of sabkha is increased.
Further, the step of vernalization of extra large scirpus scirpus includes: extra large scirpus scirpus seed being soaked in water 5 minutes, is protected
It is wet to hold seed, is placed under 1~4 DEG C of storeroom and saves；Resting period is 20 weeks；Midway is if any the mold of seed, after being washed with clear water
Continue to store；The extra large scirpus scirpus seed of above-mentioned storage is added into water, is advisable with just flooding seed, is placed in 20~30 DEG C of greenhouses
It sprouts；Sprout time is 5~15 days, so that the germination rate of extra large scirpus scirpus is higher.
Further, in the pre-treatment step of planting area, to planting area with preset water level waterflooding 1~3 after turning over
It is sowed after it, so that the soil property of planting area is more soft, is conducive to the plantation of extra large scirpus scirpus.
Further, in the pre-treatment step of planting area, the depth turned over is 5~15cm.So that soil is more dredged
Pine, earth's surface are more smooth, promote the growth of extra large scirpus scirpus.
Further, in the plantation step of extra large scirpus scirpus, wherein the implantation time of extra large scirpus scirpus is 4~May.
Further, the application rate of extra large scirpus scirpus is 50~100/m2。
Further, in the plantation step of extra large scirpus scirpus, sowing face of the extra large scirpus scirpus on each planting area
Product is greater than 20000m2。
Further, in the plantation step of extra large scirpus scirpus, the distance between each planting area is 2~8m, so that
Extra large scirpus scirpus can grow diffusion naturally.
Further, the implantation methods for restoring extra large scirpus scirpus Natural Population further include periodic monitoring step, periodic monitoring
The step of include: to monitor the seed germination rate of planting area after having sowed the extra large scirpus scirpus to have germinateed；If every square metre
Seed germination rate be less than application rate 10%, then need to reseed；Wherein, rate of after culture is 10~30/m2。
Further, the implantation methods for restoring extra large scirpus scirpus Natural Population further include the steps that managing after planting, and manage after cultivation
The step of reason includes: to remove Spartina alterniflora in time after having sowed the extra large scirpus scirpus to have germinateed, every 1~2 week, it is described its
The toatl proportion of his weeds must not be higher than 1 ‰, and not apply fertilizer, to promote the growth of extra large scirpus scirpus.
Detailed description of the invention
Fig. 1 is the process of the implantation methods of the extra large scirpus scirpus Natural Population of recovery according to the present invention in first embodiment
Schematic diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, each claim of the application technical side claimed also may be implemented
Case.
The first embodiment of the present invention is related to a kind of implantation methods for restoring extra large scirpus scirpus Natural Population, including it is following
Step: the pretreatment of planting area: turning over planting area, turns over rear topography drop less than 5cm；Extra large scirpus scirpus seed
Vernalization: after extra large scirpus scirpus seed refrigeration pretreatment a period of time, be placed in Germination under suitable condition；Extra large scirpus scirpus
Plantation: the extra large scirpus scirpus seed of germination is sowed in planting area after the pre-treatment；The water level control of planting area and later period
Management: when the extra large scirpus scirpus seed that sowing has been germinateed, water level is no more than 1cm；When extra large scirpus scirpus height of seedling be 10~15cm,
Water level is no more than 5cm；When extra large scirpus scirpus height of seedling is greater than 20cm, water level is no more than 10cm；Submergence time is no more than 2
It；Weeds toatl proportion must not be higher than 1 ‰, and Spartina alterniflora plant need to remove in time.
For example, as shown in Figure 1, restoring the implantation methods of extra large scirpus scirpus Natural Population such as in present embodiment
Under:
(1) in a step 101, the removing of Spartina alterniflora is carried out
By physical engineering, cofferdam is built in the planting area with Spartina alterniflora；It is filled the water again into planting area, water
Deep 50cm；Then band water cradles Spartina alterniflora (guaranteeing that ground proximity cradles as far as possible)；Waterflooding more than half a year just can be by Spartina alterniflora
Root and rhizomes it is drowned.
(2) in a step 102, the pretreatment of planting area is carried out
After planting area is soaked in water in step 101, soil property, which is become silted up, to be fallen into, and is unsuitable for mechanically direct entrance and is turned over, needs
Planting area in step 101 is discharged water and is dried after a week, is turned over, ploughed depth can be 10cm；Turn over rear topography
Drop is smooth to 3cm, but present embodiment can should not be 15cm as limit or ploughed depth, turn over rear topography and fall
Difference can be 5cm.
(3) in step 103, the acquisition of extra large scirpus scirpus seed is carried out
Scirpus scirpus seed in sea used in present embodiment can be acquired by natural wetland outside Shanghai Chongming Dong Tandi
It obtains, can also be commercially available from market.
(4) at step 104, the vernalization of extra large scirpus scirpus seed is carried out
Extra large scirpus scirpus seed in step 103 is added into water (water is advisable just to flood seed) so that seed keeps wet
Profit is placed in 4 DEG C of cryo-conservations, and the resting period is 20 weeks.But present embodiment should not also can be set as limit, temperature
At 1 DEG C, the resting period be can be 10 weeks；Or temperature also can be set into 3 DEG C, the resting period can be 16 weeks.
Significantly, since the mildew of extra large scirpus scirpus seed can reduce the germination rate of seed, need in storage period
Between inspect periodically whether seed goes mouldy, an extra large scirpus scirpus seed is taken out if any mildew, wash with water it is clean after continue plus
Water storage.
Above-mentioned storage 20 weeks extra large scirpus scirpus seeds are placed in plastic tub and add water (water is advisable just to flood seed),
It is placed in 25 DEG C of greenhouse and sprouts, sprout time is that (depending on temperature, 50% or more seed showed money or valuables one carries unintentionally bud in 10 days or so
It takes out for sowing).But present embodiment should not also can be set into 20 DEG C as limit, temperature, sprout time can be
2 weeks；Or temperature also can be set into 30 DEG C, the resting period can be 5 days.
Duration of germination is required supplementation with because evaporating lost moisture.Duration of germination need to wash with water completely, then if any mildew
Continue plus water is sprouted.
In addition, adding the amount of water to be also it is noted that the amount of extra large scirpus scirpus seed can select according to actual needs
Directly proportional with the amount of taken extra large scirpus scirpus seed, present embodiment different one illustrates herein.
(5) in step 105, the plantation of extra large scirpus scirpus is carried out
The extra large scirpus scirpus to have germinateed is sowed in the planting area that step 102 has pre-processed, wherein the sowing time can be with
For April；Thickness of sowing can be 0.5g (above-mentioned weight be seed weight in wet base, about 50)/square meter；The sowing face of single planting area
Product can be 20000m2.But present embodiment can should not be 5 months as limitation, sowing time；Thickness of sowing can be
0.7g (above-mentioned weight be seed weight in wet base, about 70)/square meter；The sown area of single planting area can be 30000m2；Or
Sowing time can be 5 months；Thickness of sowing can be 0.8g (above-mentioned weight be seed weight in wet base, about 80)/square meter；Single plantation
The sown area in region can be 40000m2；Sowing time can be 5 months；Or thickness of sowing can be 1.0g (above-mentioned weight
It is seed weight in wet base, about 100)/square meter；The sown area of single planting area can be 50000m2。
It can there are 5 meters or so of expansions for convenient for the natural growth of extra large scirpus scirpus diffusion, between each planting area
Space.But present embodiment can should not expand space between each planting area as limit there are 2 meters or so；Or
It can expand space there are 7 meters or so between each planting area of person；Or it can there are 8 meters of left sides between each planting area
Right expands space.
(5) in step 106, the periodic monitoring of extra large scirpus scirpus is carried out
After having sowed extra large scirpus scirpus 1 month germinateed, the seed germination rate of planting area is monitored；If every square
The seed germination rate of rice is less than the 10% of application rate, then needs to reseed；Wherein, rate of after culture be 0.2g (above-mentioned weight is seed weight in wet base,
About 20)/m2.But present embodiment should not be that (above-mentioned weight is seed weight in wet base, about 10 to 0.1g as limit, rate of after culture
Grain)/m2；Or rate of after culture is 0.3g (above-mentioned weight be seed weight in wet base, about 30)/m2。
(6) in step 107, the water level control of planting area is carried out
When extra large scirpus scirpus height of seedling is 10~15cm, water level is no more than 5cm；When extra large scirpus scirpus height of seedling be greater than 20cm,
Water level is no more than 10cm；Submergence time was no more than 2 days.
(7) in step 108, the final-period management of planting area is carried out
After planting, every 1~2 week, weed out the rank grass (not including invasive species Spartina alterniflora), and weeds toatl proportion must not be higher than
1 ‰, Spartina alterniflora plant need to remove in time；After planting forbid applying growing area in any kind of fertilizer, in order to avoid promote other
Weed growth.
Compared with prior art, in present embodiment, due to extra large scirpus scirpus be in the seashore wetland ecosystem it is most important
Ecological systems engineering teacher and one of most important primary producer, be the foundation stone of entire river mouth food web, for extra large trigone Fischer
The growth characteristic of grass, the present invention provides a kind of implantation methods for restoring extra large scirpus scirpus Natural Population, so that sabkha ecosystem
The structure and function of system is restored, and the bio-diversity of sabkha is increased.
Second embodiment of the present invention is related to a kind of implantation methods for restoring extra large scirpus scirpus Natural Population, and second implements
Mode is the improvement to first embodiment, main to the improvement is that: in a step 102, it is contemplated that extra large scirpus scirpus
Seed seedling is more fragile, to make the soil on planting area be more advantageous to the field planting of extra large scirpus scirpus；In second embodiment
In, to the soil of planting area with water level waterflooding two days of 5cm, planted again after discharging water.This is because by soaked soil
Matter can compare the growth of seedling for being conducive to extra large scirpus scirpus than relatively soft.
It should be noted that present embodiment is to the improvement in first embodiment step 102, so this embodiment party
The flow chart for restoring the implantation methods of extra large scirpus scirpus Natural Population in formula can be with reference to the recovery sea three in first embodiment
The flow chart of the implantation methods of rib scirpus triqueter Natural Population.For example:
(1) in a step 101, the removing of Spartina alterniflora is carried out
By physical engineering, cofferdam is built in the planting area with Spartina alterniflora；It is filled the water again into planting area, water
Deep 50cm；Then band water cradles Spartina alterniflora (guaranteeing that ground proximity cradles as far as possible)；Waterflooding more than half a year just can be by Spartina alterniflora
Root and rhizomes it is drowned.
(2) in a step 102, the pretreatment of planting area is carried out
After planting area is soaked in water in step 101, soil property, which is become silted up, to be fallen into, and is unsuitable for mechanically direct entrance and is turned over, needs
Planting area in step 101 will be discharged water and dried after a week, turned over, ploughed depth can be 10cm；Ground after turning over
Smooth gesture drop to 3cm or ploughed depth can be 15cm, and turning over rear topography drop can be 5cm.
Furthermore, it is contemplated that the seed seedling of extra large scirpus scirpus is compared for fragility, to keep the soil on planting area more advantageous
In the field planting of extra large scirpus scirpus；In this second embodiment, it was discharged water to the soil of planting area with water level waterflooding two days of 5cm
It is planted again afterwards.This is because by soaked soil property the growth of seedling for being conducive to extra large scirpus scirpus can be compared than relatively soft.
(3) in step 103, the acquisition of extra large scirpus scirpus seed is carried out
Scirpus scirpus seed in sea used in present embodiment can be acquired by natural wetland outside Shanghai Chongming Dong Tandi
It obtains, can also be commercially available from market.
(4) at step 104, the vernalization of extra large scirpus scirpus seed is carried out
Extra large scirpus scirpus seed in step 103 is added into water (water is advisable just to flood seed) so that seed keeps wet
Profit is placed in 4 DEG C of cryo-conservations, and the resting period can be 20 weeks.But present embodiment should not be as limit, temperature can also be with
It is arranged to 1 DEG C, the resting period can be 10 weeks；Or temperature also can be set into 3 DEG C, the resting period can be 16 weeks.
Significantly, since the mildew of extra large scirpus scirpus seed can reduce the germination rate of seed, need in storage period
Between inspect periodically whether seed goes mouldy, an extra large scirpus scirpus seed is taken out if any mildew, wash with water it is clean after continue plus
Water storage.
Above-mentioned storage 20 weeks extra large scirpus scirpus seeds are placed in plastic tub and add water (water is advisable just to flood seed),
It is placed in 25 DEG C of greenhouse and sprouts, sprout time is that (depending on temperature, 50% or more seed showed money or valuables one carries unintentionally bud in 10 days or so
It takes out for sowing).But present embodiment should not also can be set into 20 DEG C as limit, temperature, sprout time can be
2 weeks；Or temperature also can be set into 30 DEG C, the resting period can be 5 days.
Duration of germination is required supplementation with because evaporating lost moisture.Duration of germination need to wash with water completely, then if any mildew
Continue plus water is sprouted.
In addition, adding the amount of water to be also it is noted that the amount of extra large scirpus scirpus seed can select according to actual needs
Directly proportional with the amount of taken extra large scirpus scirpus seed, present embodiment different one illustrates herein.
(5) in step 105, the plantation of extra large scirpus scirpus is carried out
The extra large scirpus scirpus to have germinateed is sowed in the planting area that step 102 has pre-processed, wherein the sowing time can be with
For April；Thickness of sowing can be 0.5g (above-mentioned weight be seed weight in wet base, about 50)/square meter；The sowing face of single planting area
Product can be 20000m2.But present embodiment can should not be 5 months as limitation, sowing time；Thickness of sowing can be
0.7g (above-mentioned weight be seed weight in wet base, about 70)/square meter；The sown area of single planting area can be 30000m2；Or
Sowing time can be 5 months；Thickness of sowing can be 0.8g (above-mentioned weight be seed weight in wet base, about 80)/square meter；Single plantation
The sown area in region can be 40000m2；Sowing time can be 5 months；Or thickness of sowing can be 1.0g (above-mentioned weight
It is seed weight in wet base, about 100)/square meter；The sown area of single planting area can be 50000m2。
It can there are 5 meters or so of expansions for convenient for the natural growth of extra large scirpus scirpus diffusion, between each planting area
Space.But present embodiment can should not expand space between each planting area as limit there are 2 meters or so；Or
It can expand space there are 7 meters or so between each planting area of person；Or it can there are 8 meters of left sides between each planting area
Right expands space.
(8) in step 106, the periodic monitoring of extra large scirpus scirpus is carried out
After having sowed extra large scirpus scirpus 1 month germinateed, the seed germination rate of planting area is monitored；If every square
The seed germination rate of rice is less than the 10% of application rate, then needs to reseed；Wherein, rate of after culture be 0.2g (above-mentioned weight is seed weight in wet base,
About 20)/m2.But present embodiment should not be that (above-mentioned weight is seed weight in wet base, about 10 to 0.1g as limit, rate of after culture
Grain)/m2；Or rate of after culture is 0.3g (above-mentioned weight be seed weight in wet base, about 30)/m2。
(9) in step 107, the water level control of planting area is carried out
When extra large scirpus scirpus height of seedling is 10~15cm, water level is no more than 5cm；When extra large scirpus scirpus height of seedling be greater than 20cm,
Water level is no more than 10cm；Submergence time was no more than 2 days.
(10) in step 108, the final-period management of planting area is carried out
After planting, every 1~2 week, weed out the rank grass (not including invasive species Spartina alterniflora), and weeds toatl proportion must not be higher than
1 ‰, Spartina alterniflora plant need to remove in time；After planting forbid applying growing area in any kind of fertilizer, in order to avoid promote other
Weed growth.
Third embodiment of the present invention is related to a kind of implantation methods for restoring extra large scirpus scirpus Natural Population, and third is implemented
Mode is the improvement to first embodiment, main to the improvement is that: for the survival rate for improving extra large scirpus scirpus seed,
In the step 105 of first embodiment, the wet of soil in planting area can be kept at seeding time, but water level no more than
1cm。
It should be noted that present embodiment is to the improvement in first embodiment step 105, so this embodiment party
The implantation methods flow chart for restoring extra large scirpus scirpus Natural Population in formula can be with reference to the recovery sea trigone in first embodiment
The implantation methods flow chart of scirpus triqueter Natural Population.For example:
It should be noted that present embodiment is to the improvement in first embodiment step 105, so this embodiment party
The implantation methods flow chart for restoring extra large scirpus scirpus Natural Population in formula can be with reference to the recovery sea trigone in first embodiment
The implantation methods flow chart of scirpus triqueter Natural Population.For example:
(1) in a step 101, the removing of Spartina alterniflora is carried out
By physical engineering, cofferdam is built in the planting area with Spartina alterniflora；It is filled the water again into planting area, water
Deep 50cm；Then band water cradles Spartina alterniflora (guaranteeing that ground proximity cradles as far as possible)；Waterflooding more than half a year just can be by Spartina alterniflora
Root and rhizomes it is drowned.
(2) in a step 102, the pretreatment of planting area is carried out
After planting area is soaked in water in step 101, soil property, which is become silted up, to be fallen into, and is unsuitable for mechanically direct entrance and is turned over, needs
Planting area in step 101 will be discharged water and dried after a week, turned over, ploughed depth can be 10cm；Ground after turning over
Gesture drop is smooth to 3cm, but present embodiment can should not be 15cm as limit or ploughed depth, turn over rear topography
Drop can be 5cm.
(3) in step 103, the acquisition of extra large scirpus scirpus seed is carried out
Scirpus scirpus seed in sea used in present embodiment can be acquired by natural wetland outside Shanghai Chongming Dong Tandi
It obtains, can also be commercially available from market.
(4) at step 104, the vernalization of extra large scirpus scirpus seed is carried out
Extra large scirpus scirpus seed in step 103 is added into water (water is advisable just to flood seed) so that seed keeps wet
Profit is placed in 4 DEG C of cryo-conservations, and the resting period can be 20 weeks.But present embodiment should not be as limit, temperature can also be with
It is arranged to 1 DEG C, the resting period can be 10 weeks；Or temperature also can be set into 3 DEG C, the resting period can be 16 weeks.
Significantly, since the mildew of extra large scirpus scirpus seed can reduce the germination rate of seed, need in storage period
Between inspect periodically whether seed goes mouldy, an extra large scirpus scirpus seed is taken out if any mildew, wash with water it is clean after continue plus
Water storage.
Above-mentioned storage 20 weeks extra large scirpus scirpus seeds are placed in plastic tub and add water (water is advisable just to flood seed),
It is placed in 25 DEG C of greenhouse and sprouts, sprout time is that (depending on temperature, 50% or more seed showed money or valuables one carries unintentionally bud in 10 days or so
It takes out for sowing).But present embodiment should not also can be set into 20 DEG C as limit, temperature, sprout time can be
2 weeks；Or temperature also can be set into 30 DEG C, the resting period can be 5 days.
Duration of germination is required supplementation with because evaporating lost moisture.Duration of germination need to wash with water completely, then if any mildew
Continue plus water is sprouted.
In addition, adding the amount of water to be also it is noted that the amount of extra large scirpus scirpus seed can select according to actual needs
Directly proportional with the amount of taken extra large scirpus scirpus seed, present embodiment different one illustrates herein.
(5) in step 105, the plantation of extra large scirpus scirpus is carried out
The extra large scirpus scirpus to have germinateed is sowed in the planting area that step 102 has pre-processed, wherein the sowing time can be with
For April；Thickness of sowing can be 0.5g (above-mentioned weight be seed weight in wet base, about 50)/square meter；The sowing face of single planting area
Product can be 20000m2.But present embodiment can should not be 5 months as limitation, sowing time；Thickness of sowing can be
0.7g (above-mentioned weight be seed weight in wet base, about 70)/square meter；The sown area of single planting area can be 30000m2；Or
Sowing time can be 5 months；Thickness of sowing can be 0.8g (above-mentioned weight be seed weight in wet base, about 80)/square meter；Single plantation
The sown area in region can be 40000m2；Sowing time can be 5 months；Or thickness of sowing can be 1.0g (above-mentioned weight
It is seed weight in wet base, about 100)/square meter；The sown area of single planting area can be 50000m2。
Planting area can be kept at seeding time in the present embodiment to improve the survival rate of extra large scirpus scirpus seed
Interior soil moistens, but water level is no more than 1cm.
It can there are 5 meters or so of expansions for convenient for the natural growth of extra large scirpus scirpus diffusion, between each planting area
Space.But present embodiment can should not expand space between each planting area as limit there are 2 meters or so；Or
It can expand space there are 7 meters or so between each planting area of person；Or it can there are 8 meters of left sides between each planting area
Right expands space.
(6) in step 106, the periodic monitoring of extra large scirpus scirpus is carried out
After having sowed extra large scirpus scirpus 1 month germinateed, the seed germination rate of planting area is monitored；If every square
The seed germination rate of rice is less than the 10% of application rate, then needs to reseed；Wherein, rate of after culture be 0.2g (above-mentioned weight is seed weight in wet base,
About 20)/m2.But present embodiment should not be that (above-mentioned weight is seed weight in wet base, about 10 to 0.1g as limit, rate of after culture
Grain)/m2；Or rate of after culture is 0.3g (above-mentioned weight be seed weight in wet base, about 30)/m2。
(7) in step 107, the water level control of planting area is carried out
When extra large scirpus scirpus height of seedling is 10~15cm, water level is no more than 5cm；When extra large scirpus scirpus height of seedling be greater than 20cm,
Water level is no more than 10cm；Submergence time was no more than 2 days.
(8) in step 108, the final-period management of planting area is carried out
After planting, every 1~2 week, weed out the rank grass (not including invasive species Spartina alterniflora), and weeds toatl proportion must not be higher than
1 ‰, Spartina alterniflora plant need to remove in time；After planting forbid applying growing area in any kind of fertilizer, in order to avoid promote other
Weed growth.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of implantation methods for restoring extra large scirpus scirpus Natural Population, which is characterized in that comprise the steps of:
The pretreatment of planting area: turning over planting area, turns over rear topography drop less than 5cm；
The vernalization of extra large scirpus scirpus: extra large scirpus scirpus seed is soaked in water 5 minutes, is kept seed wet, is placed in 1~4 DEG C of storage
Hiding saves under room；Resting period is 20 weeks；Midway is washed subsequent renew with clear water and is put if any the mold of seed；By the sea of above-mentioned storage
Scirpus scirpus seed adds water, is advisable with just flooding seed, is placed in 20~30 DEG C of greenhouses and sprouts, and sprout time is 5~15 days；
The plantation of extra large scirpus scirpus: the extra large scirpus scirpus seed of germination, bud are sowed in the planting area after the pre-treatment
It is long to be not less than 1mm；
The water level control of planting area and final-period management: sowing germinateed extra large scirpus scirpus seed when, water level no more than
1cm；When extra large scirpus scirpus height of seedling is 10~15cm, water level is no more than 5cm；When extra large scirpus scirpus height of seedling is greater than 20cm, water level
No more than 10cm；Submergence time was no more than 2 days.
2. the implantation methods according to claim 1 for restoring extra large scirpus scirpus Natural Population, which is characterized in that at described kind
In the pre-treatment step in growing area domain, to planting area to sow after preset water level waterflooding 1~3 day after turning over.
3. the implantation methods according to claim 1 for restoring extra large scirpus scirpus Natural Population, which is characterized in that at described kind
In the pre-treatment step in growing area domain, the depth turned over is 5~15cm.
4. the implantation methods according to claim 1 for restoring extra large scirpus scirpus Natural Population, which is characterized in that in the sea
In the plantation step of scirpus scirpus, wherein the implantation time of the sea scirpus scirpus is 4~May.
5. the implantation methods according to claim 4 for restoring extra large scirpus scirpus Natural Population, which is characterized in that described extra large three
The application rate of rib scirpus triqueter is 50~100/m2。
6. the implantation methods according to claim 1 for restoring extra large scirpus scirpus Natural Population, which is characterized in that in the sea
In the plantation step of scirpus scirpus, sown area of the sea scirpus scirpus on each planting area is greater than 20000m2。
7. the implantation methods according to claim 1 for restoring extra large scirpus scirpus Natural Population, which is characterized in that in the sea
In the plantation step of scirpus scirpus, the distance between each planting area is 2~8m.
8. the implantation methods according to claim 1 for restoring extra large scirpus scirpus Natural Population, which is characterized in that the recovery
The step of implantation methods of extra large scirpus scirpus Natural Population further include periodic detection step, the periodic detection include:
After having sowed the extra large scirpus scirpus to have germinateed, the seed germination rate of planting area is monitored；If every square metre of seed
Germination rate is less than the 10% of application rate, then needs to reseed；Wherein, rate of after culture is 10~30/m2。
9. the implantation methods according to claim 1 for restoring extra large scirpus scirpus Natural Population, which is characterized in that the recovery
The implantation methods of extra large scirpus scirpus Natural Population further include the steps that the step of managing after planting, managing after the cultivation includes:
After having sowed the extra large scirpus scirpus to have germinateed, Spartina alterniflora is removed in time, every 1~2 week, pulls out other weeds, institute
The toatl proportion of other weeds is stated less than 1 ‰；And do not apply fertilizer.
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| CN107864803B (en) * | 2017-11-20 | 2020-09-15 | 中国科学院东北地理与农业生态研究所 | Recovery method for improving scirpus planiculmis community stability by using microtopography construction |
| CN109005750B (en) * | 2018-08-01 | 2020-11-03 | 华东师范大学 | Ecological restoration method for natural community of scirpus in intertidal zone |
| CN112075294B (en) * | 2020-08-18 | 2022-04-12 | 华东师范大学 | Natural recovery method of scirpus marigolense community based on intertidal zone natural power process |
| CN112352634A (en) * | 2020-11-11 | 2021-02-12 | 上海市园林设计研究总院有限公司 | Programmed ecological niche spartina alterniflora regulation and control method |
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