CN107182508A - A kind of Three Gorges Reservoir revegetation and restoration methods - Google Patents
A kind of Three Gorges Reservoir revegetation and restoration methods Download PDFInfo
- Publication number
- CN107182508A CN107182508A CN201710439344.6A CN201710439344A CN107182508A CN 107182508 A CN107182508 A CN 107182508A CN 201710439344 A CN201710439344 A CN 201710439344A CN 107182508 A CN107182508 A CN 107182508A
- Authority
- CN
- China
- Prior art keywords
- coverage
- soil
- draft
- riverbank
- shrub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
Abstract
The invention discloses a kind of Three Gorges Reservoir revegetation and restoration methods, falling zone is divided into three vertical partitionings, respectively height above sea level 145m 160m sections, height above sea level 160m 170m sections, height above sea level 170m 175m sections according to residing height above sea level first；Secondly on the basis of vertical partitioning, further according to the land occupation conditions such as the thickness of soil of falling zone, the gradient, chad content be further divided into flood land, riverbank rank (slope), riverbank it is barren ground etc. site type；Plant species selection is carried out according to each subregion and site type afterwards and its structure is configured；Finally planted trees, and auxiliary supporting engineering measure, to improve the survival rate of vegetation.
Description
Technical field
The present invention relates to falling zone ecological control techniques field, more particularly to a kind of Three Gorges Reservoir revegetation with
Restoration methods.
Background technology
Three Gorges Projects are the maximum water-control projects in the world today, and it is built up after operation, and one is formed in reservoir area of Three Gorges
Normal throw reaches 437-446km up to 30m (145m-175m), area2Falling zone.Falling zone is the special Wetland ecological of a class
System, the region have area change and fluctuation in stage amplitude is big, the converse naturally big vast withered rule of fluctuation in stage, the spy in water winter, land summer
Levy.
Because Three Gorges Reservoir water level is frequent and fluctuates widely and flooding time is long so that vegetation survives and preserved hardly possible
Degree is big, adds soil bareness, is easily washed away by water body, and the basic condition of plant growth is constantly destroyed, even if the plant survived
Therefore it may also be destroyed and be disappeared.In addition, soil matrix usual gravel concentration in falling zone is higher, grittiness is stronger, matrix water conservation
Ability is extremely limited, and Water deep leaching is serious after water-break, causes arid to take place frequently, all directly affects the clear-cutting forestland of vegetation.Also,
Falling zone without vegetative coverage there is also a variety of ecological environments such as pollution exacerbations, soil erosion aggravation, geological disaster be frequent and ask
Topic, so as to threaten the benign cycle of Reservoir Water Quality safety and ecology in reservoir area system.It is real by manual reversion and revegetation
One of effective ways with sustainable development are administered in existing falling zone.
However, it is that plant survival rate is low that Three Gorges Reservoir, which administers common problem, at present, floristics is relative
Relatively simple, plant structure configuration is not enough, and revegetation fails to take into full account falling zone land occupation condition, and shortcoming follows matching species with the site
Principle, its planting patterns fails to carry out unified standard and efficiently management, lacks rational conveyance system measure so that vegetation survives
The vegetation that rate is low, recovered does not constitute rational in infrastructure, the efficient synthesis of function.
The content of the invention
In view of this, it is an object of the invention to provide a kind of Three Gorges Reservoir revegetation and restoration methods, solve
In traditional falling zone restoration of the ecosystem, floristics is single, vegetation structure is simple and can not yet take into full account falling zone sea
Pull out, the land occupation condition such as the gradient, soil carries out vegetation reasonable disposition, fail to combine effective conveyance system measure to ensure seeds
The problem of survival rate.
The present invention reaches above-mentioned technical purpose by following technological means：
A kind of Three Gorges Reservoir revegetation and restoration methods, comprise the following steps：
Step 1) vertical partitioning；
Falling zone is divided into three vertical partitionings, respectively height above sea level 145m-160m sections, sea according to residing height above sea level
Pull out 160m-170m sections, height above sea level 170m-175m sections；
Step 2) horizontal partitioning；
On the basis of vertical partitioning, the land occupation condition further according to falling zone further carries out horizontal partitioning, and landform is put down
It is slow, the gradient<20 °, soil is new alluvial soil, soil thickness>40cm, quality is that the region of husky earth is divided into flood land type；
By landform be step or hillside fields, the gradient>20 °, soil is new alluvial soil, purple soil, soil thickness>30cm, matter
Ground is sandy or region of husky loamy texture with being divided into riverbank rank (slope) type；
By soil thickness<30cm, soil body consolidation, quality earth weight, rock exposure>30%, or cobble content>30% region
It is divided into riverbank barren ground type；
Step 3) plant species is selected and its structure is configured；
In 170m-175m sections, the vegetation arrangement method of flood land type in the ranks or between strain mixes friendship using horizontal structure,
Vertical stratification is tall, fill, grass is configured, and the density of plantation of arbor is 222 plants/acre, shrub coverage 10%, draft coverage 50%；
Riverbank rank (slope) the vegetation arrangement method of type mixed in the ranks or between strain and hand over using horizontal structure, vertical stratification is tall, fill, grass is matched somebody with somebody
Put, the density of plantation of arbor is 166 plants/acre, shrub coverage 10%, draft coverage 50%；The plant of riverbank barren ground type
It is configured method and uses the starlike mixed friendship of horizontal structure, vertical stratification is tall, fill, grass is configured, and the density of plantation of arbor is 110 plants/acre,
Shrub coverage 20%, draft coverage 60%；
In 160m-170m sections, the vegetation arrangement method of flood land type uses horizontal structure block or Mixed in belt,
Vertical stratification is filled, grass configuration, shrub coverage ＞ 40%, draft coverage ＞ 60%；Riverbank rank (slope) the vegetation of type match somebody with somebody
Putting method uses horizontal structure block or Mixed in belt, and vertical stratification is tall, fill, grass is configured, shrub coverage ＞ 30%, and draft covers
Cover degree ＞ 50%；The vegetation arrangement method of riverbank barren ground type is using the starlike mixed friendship of horizontal structure, vertical stratification Qiao, filling, grass
Configuration, shrub coverage ＞ 20%, draft coverage ＞ 50%；
In 145m-160m sections, the vegetation arrangement method of flood land type is configured using draft single layer structure, and draft covers
Cover degree ＞ 85%；Riverbank rank (slope) type vegetation arrangement method using draft single layer structure configure, draft coverage ＞
60%；The vegetation arrangement method of riverbank barren ground type is configured using draft single layer structure, draft coverage ＞ 50%；
Wherein：One in arbor species selection bald cypress, vertical willow, middle mountain China fir, bamboo willow, Chinese ash, western paper birth, water tupelo, taxodium ascendens
Plant or a variety of；Shrub species selects the one or more in female Salix variegata, Chinese mosquito, small Lai wood, mulberry tree；Herbaceous plant selects tongue
One or more in grass, knotweed, Bermuda grass, Hemarthria compressa, the rhizome of nutgrass flatsedge, fragrant nutgrass flatsedge, minibus thatch, giantreed.
Step 4) afforestation
Site preparation and in advance partial soil preparation are carried out first, then according to the plant species of selection and its configuration, wherein, it is tall
Wood and shrub use cave-shaped site preparation and planting by stock, and site preparation specification is arbor 0.4m × 0.4m × 0.3m, shrub 0.3m × 0.3m
×0.2m；Draft then uses and broadcasts sowing afforestation.The cave-shaped site preparation is circular pocket or square cave, and cave face is domatic fair with original, cave side
Facade is vertical direction；Laid at cave bottom and nylon wire is covered on the face of cave by plant after water-keeping device, mulching plant soil, cultivated plant
The loosening soil of thing root is fixed, and is connected with multiple concrete-piles, described concrete-pile one end band along the periphery of nylon wire
There is tip and be inserted and fixed to earth's surface, and it is in tension to fix nylon wire after concrete-pile.
Further, the configuration density of arbor species is seeding row spacing 1.5m × 2m in the flood land type, mixes double ratio
Example is 1：1.
Further, the riverbank rank (slope) in type the configuration density of arbor species be seeding row spacing 2m × 2m, mix and hand over
Ratio is 1：1.
Further, the configuration density of arbor species is seeding row spacing 2m × 2m in riverbank barren ground type, mixes double ratio
Example is 1：1.
Further, the inside pipe fitting filling water-loss reducer that the water-keeping device is made up of environment-friendly materials is made, and in pipe fitting
Surface be provided with multiple diffusion holes, the water-keeping device be in snail shape.
Further, it is additionally provided with leakproof gauze on the diffusion hole.
Beneficial effects of the present invention：The present invention takes into full account height above sea level and the waterflooding cycle of Three Gorges Reservoir,
And the land occupation conditions such as falling zone landform, soil are combined, matching species with the site principle is followed strictly, offsets the rational vegetation of band progress and matches somebody with somebody
Put, and be combined with effective conveyance system measure, reach improve the survival rate of falling zone revegetation, species diversity and
The purpose of structural stability, so that realizing that reservoir area of Three Gorges disappears falls the restoration and reconstruction of vegetation, and then reduces soil erosion, environmental pollution
Deng the generation of ecological environment problem.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the region division schematic diagram of the present invention；
Fig. 2 is cave-shaped site preparation structural representation of the invention；
Fig. 3 is the top view of water-keeping device in the present invention；
Fig. 4 is the structural representation of water-keeping device in the present invention.
Embodiment
Below with reference to accompanying drawing 1-4, the present invention is described in detail：
A kind of Three Gorges Reservoir revegetation of embodiment and restoration methods.
A kind of Three Gorges Reservoir revegetation and restoration methods, comprise the following steps：
Step 1) vertical partitioning；
Falling zone is divided into three vertical partitionings, respectively height above sea level 145m-160m sections, sea according to residing height above sea level
Pull out 160m-170m sections, height above sea level 170m-175m sections；
Step 2) horizontal partitioning；
On the basis of vertical partitioning, the land occupation condition further according to falling zone further carries out horizontal partitioning, and landform is put down
It is slow, the gradient<20 °, soil is new alluvial soil, soil thickness>40cm, quality is that the region of husky earth is divided into flood land type；
By landform be step or hillside fields, the gradient>20 °, soil is new alluvial soil, purple soil, soil thickness>30cm, matter
Ground is sandy or region of husky loamy texture with being divided into riverbank rank (slope) type；
By soil thickness<30cm, soil body consolidation, quality earth weight, rock exposure>30%, or cobble content>30% region
It is divided into riverbank barren ground type；
Step 3) plant species is selected and its structure is configured；
In 170m-175m sections, the vegetation arrangement method of flood land type in the ranks or between strain mixes friendship using horizontal structure,
Vertical stratification is tall, fill, grass is configured, and the density of plantation of arbor is 222 plants/acre, shrub coverage 10%, draft coverage 50%；
Riverbank rank (slope) the vegetation arrangement method of type mixed in the ranks or between strain and hand over using horizontal structure, vertical stratification is tall, fill, grass is matched somebody with somebody
Put, the density of plantation of arbor is 166 plants/acre, shrub coverage 10%, draft coverage 50%；The plant of riverbank barren ground type
It is configured method and uses the starlike mixed friendship of horizontal structure, vertical stratification is tall, fill, grass is configured, and the density of plantation of arbor is 110 plants/acre,
Shrub coverage 20%, draft coverage 60%；
In 160m-170m sections, the vegetation arrangement method of flood land type uses horizontal structure block or Mixed in belt,
Vertical stratification is filled, grass configuration, shrub coverage ＞ 40%, draft coverage ＞ 60%；Riverbank rank (slope) the vegetation of type match somebody with somebody
Putting method uses horizontal structure block or Mixed in belt, and vertical stratification is tall, fill, grass is configured, shrub coverage ＞ 30%, and draft covers
Cover degree ＞ 50%；The vegetation arrangement method of riverbank barren ground type is using the starlike mixed friendship of horizontal structure, vertical stratification Qiao, filling, grass
Configuration, shrub coverage ＞ 20%, draft coverage ＞ 50%；
In 145m-160m sections, the vegetation arrangement method of flood land type is block using horizontal structure, vertical stratification grass
This belt structure is configured, draft coverage ＞ 85%；Riverbank rank (slope) type vegetation arrangement method use horizontal junction building block
Shape or banding, the configuration of vertical stratification draft single layer structure, draft coverage ＞ 60%；The vegetation arrangement side of riverbank barren ground type
Method is starlike using horizontal structure, the configuration of vertical stratification draft single layer structure, draft coverage ＞ 50%；
Wherein：One in arbor species selection bald cypress, vertical willow, middle mountain China fir, bamboo willow, Chinese ash, western paper birth, water tupelo, taxodium ascendens
Plant or a variety of；Shrub species selects the one or more in female Salix variegata, Chinese mosquito, small Lai wood, mulberry tree；Herbaceous plant selects tongue
One or more in grass, knotweed, Bermuda grass, Hemarthria compressa, the rhizome of nutgrass flatsedge, fragrant nutgrass flatsedge, minibus thatch, giantreed.
Vertical arrangement (along contour) the Main Basiss waterflooding cycle, 170m-175m locations carry out plantation it is resistance to flood, it is drought-enduring
Raw arbor species are fitted, and select the Indigenous Shrub Species seeds of strong stress resistance, the vegetation forest belt based on shrub is constituted；160m-
170m locations, plant it is resistance to basins irrigation wood, herbaceous plant, draft should select water plant and emergent aquactic plant, formed using herbaceous plant as
Vegetation main body supplemented by main, shrub；Based on 145-160m locations herbaceous plant.
Step 4) afforestation
Site preparation and in advance partial soil preparation are carried out first, then according to the plant species of selection and its configuration, wherein, it is tall
Wood and shrub use cave-shaped site preparation and planting by stock, and site preparation specification is arbor 0.4m × 0.4m × 0.3m, shrub 0.3m × 0.3m
×0.2m；Draft then uses and broadcasts sowing afforestation.The cave-shaped site preparation is circular pocket or square cave, and cave face is domatic fair with original, cave side
Facade is vertical direction；Water-keeping device is laid at cave bottom, then mulching plant soil, nylon wire is covered on the face of cave after cultivated plant
The loosening soil of plant root is fixed, and multiple concrete-piles, the concrete-pile one are connected with along the periphery of nylon wire
End is with tip and is inserted and fixed to earth's surface, and it is in tension to fix nylon wire after concrete-pile.
Method of soil preparation uses cave-shaped site preparation, is generally circular hole, cave face with it is former domatic fair or tilt slightly inwards, subtract as far as possible
Few disturbance and destruction to original-state soil, and flexibly change selected site preparation position, be conducive to making full use of the exposed mountain region of rock
The place of fertile soil between the place of thicker soil and cutover stump.
It is larger or emergency case can all cause water level to go up in rainfall due to planting the special circumstances in location, for new
For the plant of plantation, the loosening of plant root soil is easily washed away, and easily causes the soil body of cave hole edge by erosion,
It is unfavorable for the survival of new cultivated plant.During by the pre-buried water-keeping device in cave bottom, making to be seeped under water in the hole of cave, moisture can be entered
Row is absorbed and stored, and disappear to fall behind in dry season water level is absorbed for plant root；And the nylon wire on top and concrete-pile
It is fixed, it can be very good to ensure that the soil body of the integrality in cave hole and loosening soil is kept, increase the survival rate of plant.
The configuration density of arbor species is seeding row spacing 1.5m × 2m in the flood land type, and mixis ratio is 1：1.Make
Woods season：Spring (3, April) afforestation, planting by stock.Tending ot young growth：Timely after-culture, continuous 2 years nests are comforted, including weeding in cave,
Ridging, positive seedling is annual 2-3 times, strengthens moisture and fencing management.
The riverbank rank (slope) in type the configuration density of arbor species be seeding row spacing 2m × 2m, mixis ratio is 1：1.
Afforestation season：Spring (3, April) afforestation, planting by stock.Tending ot young growth：Timely after-culture, continuous 2 years nests are comforted, including are removed in cave
Grass, ridging, positive seedling is annual 2-3 times, strengthens moisture and fencing management.
The configuration density of arbor species is seeding row spacing 2m × 2m in riverbank barren ground type, and mixis ratio is 1：1.Make
Woods season：Spring (3, April) afforestation, planting by stock.Tending ot young growth：Timely after-culture, continuous 2 years nests are comforted, weeding in cave, training
Soil, positive seedling is annual 2-3 times, strengthens moisture and fencing management.
The inside pipe fitting filling water-loss reducer that the water-keeping device is made up of environment-friendly materials is made, and the pipe fitting is managed using FRPP
(fiber glass reinforced polypropylene pipe), corrosion-resistant, high temperature resistant, high pressure resistant, hygienic nontoxic, recoverable, with more excellent anti-impact
Hitting property and tensile strength, it is lightweight, and multiple diffusion holes are provided with the surface of pipe fitting, the water-keeping device is in snail
Shape.
Leakproof gauze is additionally provided with the diffusion hole.
So, fall in arid season because water level disappears, water-keeping device can be very good to carry out the root of plant secondary supply
Water, improves tolerance level of the vegetation to arid.Water-loss reducer in water-keeping device is a kind of new functional macromolecule material, this kind of material
Containing substantial amounts of strong water suction group, structure is special, Thief zone association can be produced inside resin and mesh-structured by its
Water suction, its maximum water absorption reaches 13-14kg/cm2, pure water that is absorbable and keeping own wt hundred times, and these quilts
The moisture being stored in water-loss reducer can be directly absorbed (due to tree for root systems such as various crops, fruit tree, vegetables, flowers, trees
The water absorbing force of wooden root system is 17-18kg/cm2), this characteristic is determined before extensive use of the water-loss reducer in agricultural resisting drought saving water
Scape.When water level goes up and flooded, the moisture under oozing can be absorbed and saved, disappeared backwardness in water level, the moisture in water-loss reducer
Slowly separated out by diffusion hole, keep moisture supply of the vegetation in the dry spell, spiral helicine water-keeping device causes operation convenient, made
Root absorption uniform moisture, leakproof gauze can effectively prevent water-loss reducer from spilling the influence of the soaking effect reduction caused, protect
Engineer applied is easy in effective survival of card vegetation.
The preparation process of wherein water-loss reducer is as follows：According to percentage, 10-20% acrylic acid is weighed in cold bath, is used
0.1-1.0% sodium hydroxide solutions are neutralized, by 1-5% 2- acrylamide-2-methyl propane sulfonics and 8-13% methyl alkene
Propyl group APEO is added in the acrylic acid/sodium acrylate solution after neutralizing, and adds appropriate deionized water, under stirring
Logical N2Oxygen 0.5h is driven, and resulting solution is divided into two parts of A, B together.
According to percentage, 10-15% ammonium persulfate solution and N, N'- methylene-bisacrylamide solution are added to A
In solution, be warming up under stirring after specified temp preheating 2min, be added dropwise solution of sodium bisulfite into solution, drop speed for 4~
5s mono- is dripped, after being added dropwise to complete, and resulting solution is moved into plastic tube, and constant temperature obtains gel after standing 3h.By above-mentioned gained gel
Immersion in deionized water, water is changed every 6h, is soaked 2 days, is washed away unreacted reactant, then with soaked in absolute ethyl alcohol, remove
Surface moisture is removed, finally dries pulverizing obtains final product C in 60 DEG C of baking ovens.
According to percentage, by 0.3-1.0% crosslinking agents, 15-20% ammonium persulfate solution and N, N'- methylene bisacrylamide
Amide solution is added in solution A, is warming up under stirring after specified temp preheating 2min, sodium hydrogensulfite is added dropwise into solution
Solution, drop speed is dripped for 4~5s mono-, after being added dropwise to complete, and resulting solution is moved into plastic tube, and constant temperature obtains gel after standing 3h.
By above-mentioned gained soak in deionized water, water is changed every 6h, soaks 2 days, unreacted reactant is washed away, then with nothing
Water-ethanol soaks, and removes surface moisture, finally dries pulverizing obtains final product D in 80 DEG C of baking ovens.
Product C is put into be fully ground in grinder with product D and mixed, and required guarantor is obtained by the screening of 100 eye mesh screens
Aqua.
Beneficial effects of the present invention：Height above sea level and the waterflooding cycle of Three Gorges Reservoir are taken into full account, and is combined
The land occupation conditions such as falling zone landform, soil, it then follows matching species with the site principle, offset band and carry out rational vegetation arrangement, and with having
The conveyance system measure of effect is combined, and reaches survival rate, species diversity and the Stability Analysis of Structures for improving falling zone revegetation
The purpose of property, so as to realize the sustainable of Three Gorges Reservoir revegetation and recovery and its ecosystem.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (6)
1. a kind of Three Gorges Reservoir revegetation and restoration methods, it is characterised in that comprise the following steps：
Step 1) vertical partitioning；
Falling zone is divided into three vertical partitionings, respectively height above sea level 145m-160m sections, height above sea level according to residing height above sea level
160m-170m sections, height above sea level 170m-175m sections；
Step 2) horizontal partitioning；
On the basis of vertical partitioning, the land occupation condition further according to falling zone further carries out horizontal partitioning, and landform is gentle, slope
Degree<15 °, soil is new alluvial soil, soil thickness>40cm, quality is that the region of husky earth is divided into flood land type；
By landform be step or hillside fields, the gradient>15 °, soil is new alluvial soil, purple soil, soil thickness>30cm, quality is husky
The region of matter or husky loamy texture with being divided into riverbank rank (slope) type；
By soil thickness<30cm, soil body consolidation, heavy texture, rock exposure>30%, or cobble content>30% region is divided into
Riverbank barren ground type；
Step 3) plant species is selected and its structure is configured；
In 170m-175m sections, the vegetation arrangement method of flood land type uses horizontal structure to be handed over to mix in the ranks or between strain, hung down
Straight structure is tall, filling, grass configuration, and the density of plantation of arbor is 222 plants/acre, shrub coverage 10%, draft coverage 50%；
Riverbank rank (slope) the vegetation arrangement method of type use horizontal structure to be handed over to mix in the ranks or between strain, vertical stratification for it is tall, fill, grass
Configuration, the density of plantation of arbor is 166 plants/acre, shrub coverage 10%, draft coverage 50%；Riverbank barren ground type
Vegetation arrangement method uses horizontal structure for starlike mixed friendship, and vertical stratification configures for tall, filling, grass, and the density of plantation of arbor is 110
Plant/acre, shrub coverage 20%, draft coverage 60%；
In 160m-170m sections, the vegetation arrangement method of flood land type uses horizontal structure for block or Mixed in belt, hung down
Straight structure is fills, grass configuration, shrub coverage ＞ 40%, draft coverage ＞ 60%；Riverbank rank (slope) the vegetation of type match somebody with somebody
The method of putting uses horizontal structure for block or Mixed in belt, and vertical stratification is fills, grass configuration, shrub coverage ＞ 30%, draft
Coverage ＞ 50%；The vegetation arrangement method of riverbank barren ground type use horizontal structure for it is starlike it is mixed hand over, vertical stratification for fill,
Grass configuration, shrub coverage ＞ 20%, draft coverage ＞ 50%；
In 145m-160m sections, the vegetation arrangement method of flood land type is configured using draft single layer structure, draft coverage
＞ 85%；Riverbank rank (slope) type vegetation arrangement method using draft single layer structure configure, draft coverage ＞ 60%；River
The vegetation arrangement method of bank barren ground type is configured using draft single layer structure, draft coverage ＞ 50%；
Wherein：Arbor species selection bald cypress, vertical willow, middle mountain China fir, bamboo willow, Chinese ash, western paper birth, water tupelo, one kind in taxodium ascendens or
It is a variety of；Shrub species selects the one or more in female Salix variegata, Chinese mosquito, small Lai wood, mulberry tree；Herbaceous plant selection sedge,
One or more in knotweed, Bermuda grass, Hemarthria compressa, the rhizome of nutgrass flatsedge, fragrant nutgrass flatsedge, minibus thatch, giantreed.
Step 4) site preparation and afforestation
Carry out site preparation and partial soil preparation in advance first, then according to the plant species of selection and its configuration, wherein, arbor with
Shrub use cave-shaped site preparation and planting by stock, site preparation specification be arbor 0.4m × 0.4m × 0.3m, shrub 0.3m × 0.3m ×
0.2m；Draft then uses and broadcasts sowing afforestation.The cave-shaped site preparation is circular pocket or square cave, and cave face is domatic fair with original, and cave is edge-on
Face is vertical direction；Laid at cave bottom and nylon wire is covered on the face of cave by plant after water-keeping device, mulching plant soil, cultivated plant
The loosening soil of root is fixed, and is connected with multiple concrete-piles along the periphery of nylon wire, and described concrete-pile one end is carried
Tip is simultaneously inserted and fixed to earth's surface, and it is in tension to fix nylon wire after concrete-pile.
2. a kind of Three Gorges Reservoir revegetation according to claim 1 and restoration methods, it is characterised in that：It is described
The configuration density of arbor species is seeding row spacing 1.5m × 2m in flood land type, and mixis ratio is 1：1.
3. a kind of Three Gorges Reservoir revegetation according to claim 1 and restoration methods, it is characterised in that：It is described
Riverbank rank (slope) in type the configuration density of arbor species be seeding row spacing 2m × 2m, mixis ratio is 1：1.
4. a kind of Three Gorges Reservoir revegetation according to claim 1 and restoration methods, it is characterised in that：It is described
The configuration density of arbor species is seeding row spacing 2m × 2m in riverbank barren ground type, and mixis ratio is 1：1.
5. a kind of Three Gorges Reservoir revegetation according to claim 1 and restoration methods, it is characterised in that：It is described
The inside pipe fitting filling water-loss reducer that water-keeping device is made up of environment-friendly materials is made, and provided with multiple diffusions on the surface of pipe fitting
Hole, the water-keeping device is in snail shape.
6. a kind of Three Gorges Reservoir revegetation according to claim 5 and restoration methods, it is characterised in that：It is described
Leakproof gauze is additionally provided with diffusion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439344.6A CN107182508A (en) | 2017-06-12 | 2017-06-12 | A kind of Three Gorges Reservoir revegetation and restoration methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710439344.6A CN107182508A (en) | 2017-06-12 | 2017-06-12 | A kind of Three Gorges Reservoir revegetation and restoration methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107182508A true CN107182508A (en) | 2017-09-22 |
Family
ID=59877966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710439344.6A Pending CN107182508A (en) | 2017-06-12 | 2017-06-12 | A kind of Three Gorges Reservoir revegetation and restoration methods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107182508A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121862A (en) * | 2018-08-02 | 2019-01-04 | 中国科学院武汉植物园 | The method that a kind of plantation of Riparian Zone slope-protecting plant and group restore |
| CN109923969A (en) * | 2019-05-06 | 2019-06-25 | 重庆大学 | A kind of river-like reservoir falling zone method for recovering vegetation |
| CN110063182A (en) * | 2019-04-03 | 2019-07-30 | 甘肃有色工程勘察设计研究院 | Plant roots mass dam Ecological Project Construction method for the prevention and treatment of loess plateau mudflow |
| CN110692418A (en) * | 2019-10-29 | 2020-01-17 | 樊江 | Strip-shaped composite vegetation allocation method |
| CN110771435A (en) * | 2019-09-29 | 2020-02-11 | 长江大学 | Method for restoring moisture soil type vegetation by mixed planting of perennial wetland plants |
| CN113647224A (en) * | 2021-08-12 | 2021-11-16 | 中国水利水电科学研究院 | Slope farmland water and soil conservation composite measure configuration method integrating slope and soil layer differentiation |
| CN114009173A (en) * | 2021-11-02 | 2022-02-08 | 江西省林业科学院 | Marble-based wetland hydro-fluctuation belt vegetation recovery method |
| CN114481954A (en) * | 2022-02-22 | 2022-05-13 | 重庆师范大学 | Multi-belt multifunctional protection system for hydro-fluctuation belt of river reservoir |
| CN114946305A (en) * | 2022-03-21 | 2022-08-30 | 国网安徽省电力有限公司铜陵供电公司 | Vegetation recovery method for engineering disturbed slope of northern subtropical zone rain and heat contemporaneous red soil hilly area |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203952021U (en) * | 2013-11-28 | 2014-11-26 | 天津绿茵景观工程有限公司 | A kind of multi-functional clay is transplanted simple and easy filling device of arbor |
| CN104371072A (en) * | 2014-10-21 | 2015-02-25 | 中国科学院南京土壤研究所 | Preparation method of agricultural water-retaining agent |
| CN104472176A (en) * | 2014-12-03 | 2015-04-01 | 华侨大学 | Construction method for ecological restoration of riparian vegetation of mountain rivers |
| CN104620838A (en) * | 2015-03-06 | 2015-05-20 | 陈洪凯 | Method for restoring vegetations in water-level-fluctuating zone |
| CN105706821A (en) * | 2016-02-03 | 2016-06-29 | 淳安县新安江开发总公司 | Reservoir bank hydro-fluctuation belt terraced tree planting method |
| CN105794487A (en) * | 2016-05-30 | 2016-07-27 | 广东红日节能环保科技有限公司 | Method for vegetation restoration of reservoir hard soil slope water-level-fluctuating zone |
| CN206100923U (en) * | 2016-10-17 | 2017-04-19 | 西南大学 | Circle pipe fertilizies |
| CN106565301A (en) * | 2015-12-04 | 2017-04-19 | 信阳市华达矿业有限公司 | Degradable mineral fertilizer water-retaining agent and preparation method thereof |
-
2017
- 2017-06-12 CN CN201710439344.6A patent/CN107182508A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203952021U (en) * | 2013-11-28 | 2014-11-26 | 天津绿茵景观工程有限公司 | A kind of multi-functional clay is transplanted simple and easy filling device of arbor |
| CN104371072A (en) * | 2014-10-21 | 2015-02-25 | 中国科学院南京土壤研究所 | Preparation method of agricultural water-retaining agent |
| CN104472176A (en) * | 2014-12-03 | 2015-04-01 | 华侨大学 | Construction method for ecological restoration of riparian vegetation of mountain rivers |
| CN104620838A (en) * | 2015-03-06 | 2015-05-20 | 陈洪凯 | Method for restoring vegetations in water-level-fluctuating zone |
| CN106565301A (en) * | 2015-12-04 | 2017-04-19 | 信阳市华达矿业有限公司 | Degradable mineral fertilizer water-retaining agent and preparation method thereof |
| CN105706821A (en) * | 2016-02-03 | 2016-06-29 | 淳安县新安江开发总公司 | Reservoir bank hydro-fluctuation belt terraced tree planting method |
| CN105794487A (en) * | 2016-05-30 | 2016-07-27 | 广东红日节能环保科技有限公司 | Method for vegetation restoration of reservoir hard soil slope water-level-fluctuating zone |
| CN206100923U (en) * | 2016-10-17 | 2017-04-19 | 西南大学 | Circle pipe fertilizies |
Non-Patent Citations (6)
| Title |
|---|
| 周建中著: "《把握实情 破难解困 周建中经济社会改革热点调研文选 2》", 31 March 2015 * |
| 李建 著: "《森林管护员工作手册》", 30 September 2009 * |
| 李月祥，余峰著: "《宁夏退耕还林工程实践》", 28 February 2010 * |
| 赵云龙，徐洛屹: "《石膏应用技术问答》", 30 September 2016 * |
| 赵力毅主编: "《水利行业职业技能培训教材 水土保持治理工》", 31 May 2013 * |
| 黄世友: "《三峡库区消落带植被重建与生态修复技术研究》", 《西南林业大学学报》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109121862A (en) * | 2018-08-02 | 2019-01-04 | 中国科学院武汉植物园 | The method that a kind of plantation of Riparian Zone slope-protecting plant and group restore |
| CN110063182A (en) * | 2019-04-03 | 2019-07-30 | 甘肃有色工程勘察设计研究院 | Plant roots mass dam Ecological Project Construction method for the prevention and treatment of loess plateau mudflow |
| CN109923969A (en) * | 2019-05-06 | 2019-06-25 | 重庆大学 | A kind of river-like reservoir falling zone method for recovering vegetation |
| CN110771435A (en) * | 2019-09-29 | 2020-02-11 | 长江大学 | Method for restoring moisture soil type vegetation by mixed planting of perennial wetland plants |
| CN110692418A (en) * | 2019-10-29 | 2020-01-17 | 樊江 | Strip-shaped composite vegetation allocation method |
| CN113647224A (en) * | 2021-08-12 | 2021-11-16 | 中国水利水电科学研究院 | Slope farmland water and soil conservation composite measure configuration method integrating slope and soil layer differentiation |
| CN113647224B (en) * | 2021-08-12 | 2023-02-17 | 中国水利水电科学研究院 | Slope farmland water and soil conservation composite measure configuration method integrating slope and soil layer differentiation |
| CN114009173A (en) * | 2021-11-02 | 2022-02-08 | 江西省林业科学院 | Marble-based wetland hydro-fluctuation belt vegetation recovery method |
| CN114481954A (en) * | 2022-02-22 | 2022-05-13 | 重庆师范大学 | Multi-belt multifunctional protection system for hydro-fluctuation belt of river reservoir |
| CN114946305A (en) * | 2022-03-21 | 2022-08-30 | 国网安徽省电力有限公司铜陵供电公司 | Vegetation recovery method for engineering disturbed slope of northern subtropical zone rain and heat contemporaneous red soil hilly area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107182508A (en) | A kind of Three Gorges Reservoir revegetation and restoration methods | |
| CN104186141B (en) | The pocket type cultivation method of the bionical interplanting radix tetrastigme in a kind of fruit-bearing forest ground | |
| CN103609303B (en) | A kind of hillock near-nature forest ecological system reconstruction method | |
| CN105926533B (en) | A kind of embedded type ecology consolidates beach method | |
| CN206294619U (en) | A kind of strand sandbank band revegetation system | |
| CN105917903B (en) | A kind of soil thin layer stony cut slope corrodes the soil and water conservation method on abrupt slope | |
| CN102640653A (en) | Method utilizing coastal saline soil of Yellow River Delta to grow peanuts | |
| CN103563715B (en) | A kind of Sand-stabilization culture method for outdoor grapes | |
| CN103210783A (en) | Dioscorea opposita planting method | |
| CN105210770B (en) | Dust storm forward position Desert Regions sacsaoul Ecology method of forestation | |
| CN105706821A (en) | Reservoir bank hydro-fluctuation belt terraced tree planting method | |
| CN104756730A (en) | Selenium enrichment camellia oleifera tree interplanting method | |
| CN105248067A (en) | Method for constructing coastal muddy saline-alkali soil jerusalem artichoke vegetation | |
| Sharma et al. | In salt-affected soils agroforestry is a promising option | |
| CN103340132A (en) | Irrigation method for improving water use efficiency of peanuts in dry land | |
| CN101713179A (en) | Method for reinforcing soil and stabilizing water for runoff pond-grass network in deteriorated mountain land of dry and hot river valley of Chinsha river | |
| CN105393893A (en) | Constructing and building method for non-suitable-for-forestry new diked tidal flat coast protection forest backbone shelterbelt | |
| CN106613663A (en) | Sand-stabilization and water-retention method used in semi-desert windy and sandy area | |
| CN103190272A (en) | Method for raising seedlings by cutting on micro-propagation films of fast-growing poplar in saline-alkali soil regions | |
| CN105532367A (en) | Afforestation method in barren land and desert | |
| CN205143069U (en) | Wasteland vegetation maintenance structure | |
| CN107926457A (en) | A kind of method of Rocky Desertification Region plantation mulberry tree | |
| CN107691081A (en) | Clone plant sand-fixation method | |
| CN104641916B (en) | One kind braiding high ridge cultural method of willow beach | |
| Kanwar | Problems and potentials of Vertisols and Alfisols-The two important soils of SAT-ICRISAT Experience |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |
|
| RJ01 | Rejection of invention patent application after publication |