CN105926533B - A kind of embedded type ecology consolidates beach method - Google Patents
A kind of embedded type ecology consolidates beach method Download PDFInfo
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- CN105926533B CN105926533B CN201610291988.0A CN201610291988A CN105926533B CN 105926533 B CN105926533 B CN 105926533B CN 201610291988 A CN201610291988 A CN 201610291988A CN 105926533 B CN105926533 B CN 105926533B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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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
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Abstract
The invention discloses a kind of embedded type ecologies to consolidate beach technology, selects Bermuda grass, clover and reed as solid beach vegetation；Solid beach vegetation is planted in the soil by base material improvement；The grid framework anti-washing structure that laying is woven into straw rope above soil.The present invention has comprehensively considered influence of the factors such as landform, weather, the hydrology to vegetation growth, it is construction is simple, at low cost, it is suitble to the habitat of a variety of emergent aquactic plant breedings to create condition to build, promote the growth of vegetation on a large scale, not only it can consolidate shoal protection works effect and the siltation of beach is promoted to grow, but also can realize the harmony of engineering and ecological environment.
Description
Technical field
The present invention relates to a kind of solid beach method, belongs to waterway regulation technical field more particularly to a kind of embedded type ecology is solid
Beach method.
Background technique
Currently, be directed to the higher kiln of the falling mouth channel bar of elevation, there are being let out under clear water in the case where further aggradation difficulty compared with
Big problem.Even if this is because in flood period overbank, very due to a possibility that surface layer sediment concentration is extremely low, and coarse sand falls silt
Small, a possibility that falling silt compared with fine deposit, then there's almost no, also extremely difficult to grow on a large scale even if the beach body maintains current form
Vegetation；A possibility that not having the crown_interception of vegetation, continuing aggradation, is little.In view of vegetation in ecological functions, detergent power, excellent
Changing landscape etc. has important role.Therefore how on the basis of traditional shoal protection works, comprehensively consider landform, gas
Influence of the factors such as time, hydrologic condition to vegetation growth proposes construction is simple, at low cost, new ecologic structure pattern, to build
It is suitble to the habitat of a variety of emergent aquactic plant breedings to create conditions, promotes the growth of vegetation on a large scale, be core of the invention task.
Solve the problems, such as that this tradition shield beach structure can be divided into tradition shield beach and ecology shield two class of beach.
There are mainly four types of tradition shield beach structures: isostere structure, jackstone structure throw pillow structure, steel wire stone pocket structure.In recent years
Coming and derived unit row, three-dimensional reinforcement pad etc. interferes small, solid beach effect preferably to protect beach structure river regime.Although these shield beaches
Engineering adaptation riverbed deformability is strong, and waterway regulation effect is preferable, however less consideration river channel ecology environmental functional, mostly uses mixed
The hard materials such as solidifying soil, geotextiles, cause geology to be hardened, make river course environment condition pattern, biological species unification, while work
Cheng Xiaoguo is also influenced vulnerable to unstable base condition.
The common people more pay close attention to ecological environment in recent years, and engineering design gradually starts to pay attention to the influence to ecological environment, work
Journey structural shape moves towards ecology, large quantities of engineerings using the solid beach technology of ecology occurs.
Yangtze middle reaches horse man nozzle waterway regulation works use " ecological slope protection " of steel wire protecting pad structure making, and skeleton is by nothing
Number steel wire grid composition has the double-layer clapboard being connected with protection pad bottom plate every about 1m, and partition and bottom plate are formed
The conjuncted cage of one top end opening, cobble, the big steel wire of upper cover one side are filled up in grid, and steel wire net surface is coated with the conjunction of aluminium zinc
Layer gold, corrosion resistance is strong, and service life is up to 120 years.Using the shore protection of this structure making, globality, durability and permeable
Property it is all very strong, adapt to river-bed deformation, bank slope deforms caused by can effectivelying prevent because of water flow scour；The grass-seed of plantation is less than one
Year can grow up to turf, formed " green protecting slope ", combined together with environment, to protect surrounding enviroment；It gathers materials on the spot, it can be effective
Avoid the destruction cut into a mountain for quarrying to forest cover.
In addition to horse family's nozzle " ecological slope protection ", typical ecology side shoal strengthening engineering further includes the sections such as a watt openning, Zhijiang-Jiangkou boat
The steel wire gabion novel ecological bank protection structure used in road training works, lower Jingjiang kwan-yin continent river curved segment alien crop cus-cus
The eco-concrete slope protection and Heilungkiang Zhaoyuan County Song Hua River main dike that grass, eciophyte Bermuda grass and non-plant measure combine
Wang Yun fills the mixed solid beach wave protection works for handing over construction forest against wave wash using tall at dike section.Not only renovating effect is preferable for these engineering structures,
It is also beneficial to plant growth simultaneously and ecology maintains.But these structures also encounter a little problems in actual application:
(1) if meeting flood period, the substrate soil of big vast underwater steel wire gabion topping laying is substantially all to be flushed away, big portion
The grass survived is divided also to be taken away by flood erosion.
(2) when being submerged in underwater beach body with the long period within the year, cursive script is difficult to survive.
Summary of the invention
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved in the present invention is to provide a kind of embedded type ecologies
Gu beach method, based on natural material and cost is relatively low, will not be to very water while preventing shoal protection works backfill from washing away
The interim anti-washing structure that the growth and development of plant has an impact discloses different base condition to indigenous emergent aquactic plant growth and development
It influences, and proposes that the embedded type ecology of economical and efficient consolidates beach technology, to solve existing for the solid beach technology of original ecology intolerant to flood
Water washes away, cursive script is submerged in underwater beach body for a long time within the year and is difficult to the problem of surviving.
In order to solve the above technical problems, present invention employs such a embedded type ecologies to consolidate beach method, dog tooth is selected
Root, clover and reed are as solid beach vegetation；Solid beach vegetation is planted in the soil by base material improvement；It is spread above soil
If the grid framework anti-washing structure being woven into straw rope.
In a kind of preferred embodiment of the invention, the planting density of the Bermuda grass is 200-300g/m2；Described three
The planting density of leaf grass is 200g/m2；The planting density of the reed is 6 sections/m2。
In a kind of preferred embodiment of the invention, the Bermuda grass plantation is located at the surface layer of planting soil；Described three
Leaf grass is spatially higher than the Bermuda grass；The reed is spatially higher than the clover.
In a kind of preferred embodiment of the invention, the cultivated area of the Bermuda grass is the growing surface of the clover
Long-pending twice.
In a kind of preferred embodiment of the invention, solid beach vegetation matched combined between a variety of different plant species.
In a kind of preferred embodiment of the invention, the diameter of the straw rope is 1cm；The rope spacing of the grid framework
For 10cm.
In a kind of preferred embodiment of the invention, the grid framework is driven piles by batten and is fixed.
In a kind of preferred embodiment of the invention, soil matrix improve the step of are as follows: (1) in Project Areas soil interplantation
Enter clay and tamps；(2) regular applications of farmyard manure provides necessary nutrient for plant；(3) it is inoculated with soil algae algae.
In a kind of preferred embodiment of the invention, in the step of soil matrix improves (2), Project Areas is implanted into clay
Soil thickness be 50cm.
In a kind of preferred embodiment of the invention, in the step of soil matrix improves (3), apply fertilizer 500kg per acre.
In a kind of preferred embodiment of the invention, the solid beach vegetation plantation is in the grid of grid framework.
The beneficial effects of the present invention are: the present invention has comprehensively considered the factors pair such as landform, weather, the hydrology of the kiln of falling mouth channel bar
The influence of vegetation growth, it is construction is simple, at low cost, it is suitble to the habitat of a variety of emergent aquactic plants breedings to create condition to build, promotees
Into the growth of vegetation on a large scale, it can not only consolidate shoal protection works effect and the siltation of beach is promoted to grow, but also can realize engineering and life
The harmony of state environment.
Detailed description of the invention
Flow diagram Fig. 1 of the invention；
The interim anti-washing structure overall layout chart of Fig. 2；
The interim anti-washing structure Local map of Fig. 3；
1- straw rope in figure；A- reed；B- clover；C- Bermuda grass；
Mark unit is cm, and straw rope diameter used is 1cm, and rope spacing is 10cm.Reed planting density is 6 plants every square
Rice.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
The purpose of the present invention essentially consist in propose it is a kind of based on natural material and cost is relatively low, is preventing shoal protection works
Backfill will not disclose different base item to the interim anti-washing structure that the growth and development of emergent aquactic plant has an impact while washing away
Influence of the part to indigenous emergent aquactic plant growth and development, and propose that the embedded type ecology of economical and efficient consolidates beach technology, it is original to solve
Ecology consolidate beach technology it is existing be submerged in that underwater beach body is difficult to survive for a long time within the year intolerant to flood erosion, cursive script ask
Topic.The technical scheme is that the ecology for waterway regulation works consolidates beach technology: (1) according to variety classes vegetation
Growth ability, it is resistance to flood characteristic and its root system solid-holding capacity, determine that suitable native breed as solid beach vegetation, constructs adaptability vegetation
Reforestation practices；
(2) according to the erosion control effect under anti-washing structure difference arrangement, design is based on natural material and cost is relatively low
Interim anti-washing structure, select suitable soil as shoal protection works backfill, the embedded type for proposing a set of economical and efficient is raw
State consolidates beach technology.
The specific embodiment for wherein consolidating the selection of beach vegetation is as follows:
(1) adaptability vegetation and plant species
Ecological Gu Tan is carried out, selection is first had to and suitably consolidates beach vegetation.Gu the selection of beach vegetation should meet following principle:
1. adaptability principle: Gu beach vegetation is as the building biocenological pioneer of beach, it has to be possible to and it is suitable well
Answer local environment, it is resistance to flood, resistant, resistance to erosion, drought resistance will be got well, vitality is strong, can survive under barren environment.
2. local principle: local endemic species should be paid the utmost attention to, avoid introducing alien species as far as possible, to prevent biotic intrusion
Bio-diversity and ecological safety are protected in the generation of event.
3. strong purification property principle: paying the utmost attention to purify the species of local environment, be that the procreation creation of other species is suitable for
Habitat.
4. operability principle: selected species need that well developed root system, solid native effect are good, fertility is strong, cultivation management cost
It is low, harvest is convenient, flood after be easy to restore, ecoscape works well, does not influence shipping and flood passage safety, while having certain
Economic use value.
Gu arranging in pairs or groups between different plant species good 5. the selection of beach species is also contemplated that the spatial and temporal distributions of vegetation, accomplishing season more
It repeatedly covers, spatial level is clearly demarcated.
The kiln of falling mouth channel bar floods in environment from the foregoing it will be appreciated that the kiln of falling mouth channel bar is in seasonality, has every year 1-2 months
Time is influenced by water channel water level, and channel bar is partly or completely submerged under water, therefore, a major criterion of species is selected to be
The species have the preferable waterlogging resistance to ability of flooding, the waterflooding environment of favorable season, for this purpose, it is suitable for the region that humidogene species, which are only,
Plant species, selected species have to survive in humidogene environment.Secondly, the kiln of the falling mouth channel bar most of the time goes out
Dew in air, belongs to terrestrial habitat, especially channel bar slope surface, and the most of the time is in drying regime in 1 year, therefore, selection
Species needs can survive and grow in dry soil, with good drought-resistance ability.
Similarly, since matrix is barren, needs species to have stronger vitality and adapt to the ability in barren habitat；It considers
The ecological hazard of invasive species needs to prevent to introduce alien species, and the range of choice of species must be confined to the Yangtze river basin as a result,
Endemic species can be well adapted to local environmental weather conditions.
In addition, it is contemplated that the four seasons of species alternate and stratification of landscapes, the ecological functions of vegetation normally play, the selection of species
Cannot be excessively single, need to consider the collocation of several species, it is ensured that species spatially have levels, and have change in change of seasons
Change.
Select three kinds of Bermuda grass, clover and reed eciophytes as solid beach object through Comprehensive Correlation according to the above principle
Kind.
(2) solid beach vegetation breeding and management
After determining solid beach vegetation, also need to ensure that it is survived.In view of the substantially sand of the current surface layer siltation of the kiln of falling mouth channel bar
Matter coarse granule, partial size is big, and nutrition is barren, and sticking to each other property is poor, it is caused to have certain mobility and unstability；Therefore,
It is exactly the improvement of soil matrix that adaptability revegetation, which needs the first problem solved,；If not changing the physicochemical character of matrix,
Vegetation lacks necessary soil, it is difficult to survive.Base material improvement is needed in face of two problems: first is that stability, in seasonal punching
The stability problem that channel bar during silt must solve soil matrix just may insure the existence breeding of plant, if soil base
Matter is always in upheaval variation, and plant seed germination and vital metabolic can not obtain necessary suitable external environment, vegetation
Building is impossible.Second is that nutrition and moisture supply, growth and development of the excessively barren and dry soil for plant
It is a kind of stress and obstruction with metabolic process of life, channel bar matrix nutrition is barren at present, it is difficult to meet the needs of plant growth, water
Divide supply respect, there are seasonal deficiency and problems in need of consideration.
Beach range of stage is big, variation is fast, plant cultivating it is pressed for time, and different plants growing environment is required it is different,
It needs to take suitable breeding and management means, to improve survival rate.
To ensure surviving for solid beach vegetation, it is necessary first to carry out base material improvement to soil, specific operation process is as follows:
1. gathering materials on the spot, clay is taken to be transported to Project Areas the pick of the ground such as neighbouring farmland, forest land；
2. implantation clay is simultaneously tamped, implantation soil thickness is advisable with 50cm；
3. regular applications of farmyard manure provides required nutrient for plant, while improveing the soil texture, and 500kg/ mus of recommended rate of fertilizer application；
4. large-scale inoculation soil algae algae, to increase matrix vigor.Next day starts to sprinkle water daily to ensure after inoculation
It soil algae activity and plays a role.
Consolidate beach plants for three kinds and different mating systems is respectively adopted, wherein Bermuda grass and reed use Split-Root Nutrient Solution Method in situ, three
Leaf grass uses seeding method, the specific steps are as follows:
Split-Root Nutrient Solution Method in situ: Bermuda grass stem and reed stem tuber are collected, soil is knocked out, uniformly sows, soil layer is covered and is compacted, no
Regular watering can be rooted in a few days with keeping wet, can be bred new stolon within 20 days or so, slightly be increased nitrogenous rich water
It trims simultaneously, stolon spreads and takes root rapidly, forms planting quilt.
Planting density: Bermuda grass covers whole Project Areas topsoil, and the segment that stolon is cut into 3~5cm is sowed, close
Spend 200~300g/m2；Reed is cut into mono- section of 30cm, according to 6 sections/m2Density plantation；Clover 200g/m2。
Spatial distribution: test block is divided into two by topography height, lower broadcasts sowing Bermuda grass, and eminence broadcasts sowing clover.Dog
Root of the tooth vitality is stronger, and the space occupied is twice of clover, and does not need the Species structure of two species of manual intervention.Not
Under the premise of Bermuda grass and clover are blocked to the demand of illumination, determine that reed plantation density is 6 sections/m2。
Plant field planting: to slow down impulsive force, in initial planting, necessary interim erosion control facility need to be constructed, by plant species
It is implanted in the grid of straw rope braiding, impact of the water flow to plant is reduced by implantable straw rope structure；Meanwhile using beat timber,
The fixed plant of the modes such as stone, braiding bamboo fence is pressed, in case plant lodges, it is ensured that survival rate.
Vegetation management: the management after plantation is quite important, and management is not added or management is excessively extensive, it is most often to will cause preceding function
It abandons.Basic maintenance management work is extremely important, such as:
1. being dressed seed with pesticide in advance to protect the not seed of earthing or just unearthed seedling；
2. periodically watering, appropriate to apply fertilizer；
3. protection and management are suitably given in the presence for other plants, it is ensured that Plant Diversity；
4. taking precautions against people and animals' interference, suitably trimmed according to season；
5. paying attention to the prevention and control of plant diseases, pest control；
6. carrying out management record, the growth characteristics of plant are understood.
Specific to specified plant, then different specific management and maintenance methods is needed.
1. the maintenance management of Bermuda grass, main includes trimming, irrigation, fertilising and the prevention and control of plant diseases, pest control.
Trimming: trimming Controllable growth height keeps smooth beauty, increases density, may also suppress and draw because branches and leaves are overstocked
The disease risen.Before trimming, clean sundries is removed, in order to avoid damage grass mower.Pruning frequency depends primarily on the growth speed of Bermuda grass
Degree is annual 2~3 times general.Cutting range follows 1/3 principle.
Irrigate: Bermuda grass Root Distribution is relatively shallower, and when drought in summer should irrigate in time, and when filling will disposably fill, no
It may occur in which water by the waist, be distributed root system to surface layer, reduce its drought resisting, solid-holding capacity.Irrigation quantity, irrigation frequency according to concrete condition and
It is fixed.
Fertilising: applying fertilizer and provide needed nutrient matter for Bermuda grass, is the principal element for influencing Bermuda grass resistance and quality
One of.Spring applies N fertilizer more, and summer and autumn apply P, K, 250~300kg/hm of dose more2.Fertilising, irrigation combine, and keep fertilizer abundant
Dissolution, convenient for being absorbed and utilized, improves the utilization rate of fertilizer.
The prevention and control of plant diseases, pest control: trimming in time improves ventilation and penetrating light performance, and removes broken grass in time；Scientific and reasonable fertilising improves
Diseases and insect pests resistance；Wide-spectrum bactericide and chrysanthemum lipid insecticide are sprayed in time, can not only prevent the pest and disease damage occurred from spreading, but also can
Prevented.
2. the maintenance management of reed mainly includes irrigation, thinning, transplanting, fertilising and disease pest and weed prevention and treatment.
Irrigate: reed irrigates the irrigation program for following " spring shallow, Xia Shen, Qiu Luogan ".
Shallow water is filled before spring germination, improves ground temperature, soil is accelerated to thaw, promotes reed germination；Soil drains after thawing, and protects
Hold ground moistening；After reed germination and growth, shallow water 5cm is filled.After mid-May, reed enters peak of growing season, and growth is accelerated,
It needs water to increase, therefore takes Deep irrigation, water layer depth 30-50cm.After mid-August, reed enters reproductive stage, water requirement drop
It is low, it need to be drained, only maintain ground moistening, to promote reed maturation and autumn bud to develop.
Thinning: thinning when seedling height reaches 5cm, seedling spacing 2cm.With the growth of seedling, timely thinning and weeding, and reinforce
Irrigation fertilization.
Transplanting: it when condition is suitable for, is moved after 7-8 month reed tiller or when the next spring temperature is up to 5 DEG C or more
It plants.Transplant field, which is poured water, keeps ground moistening, and reed seedling (before germination) is transplanted out from nursery Tanaka, each 1m of seeding row spacing,
Every cave 3-5 plants.
Fertilising: the rational application of fertilizer keeps soil nutrient balance, is to promote reed growth, improve an important factor for reed pests.
Therefore, it applies fertilizer in the mid or late May of reed peak of growing season.Fertilising should be noted following item:
One, middle low yield reed field yield potential is big, is fertilising emphasis；
Two, based on nitrogenous fertilizer, cooperate phosphorus potash fertilizer, dose 300-375kg/hm2；
Three, fertilising need to consider reed field property, be equipped with good job facilities, design Optimum Irrigation system, merge liquid manure,
Convenient for reed absorption；
Four, to saline and alkaline heavy, more than crop smothering plot, soil salt content is reduced first and prevents and kill off crop smothering, avoids fertilizer loss；
Five, soil testing and fertilizer recommendation reduces fertilizer waste.
Disease pest and weed prevention and treatment: reed insect pest mainly has aphid, Asiatic migrotory locust etc..Reed insect pest is prevented and treated, first has to carry out pre-
Forecast is surveyed, determines Control stage；Second is that following the principle that spot film prevention and treatment is combined with keypoint control, the wave of personnel and drug is avoided
Take.The insect pest serious time is sprayed with 800-1500 times of liquid of 40% flolimat.
Reed crop smothering mainly includes the Da Shi stem or leaf of cattail, the narrow leaf stem or leaf of cattail, sedge etc., should according to careless veriety and biological characteristics into
The targeted science of row is prevented and kill off, and the method for control is as follows:
One, biological insect control and chemical control combine.
Two, a situation arises for investigation crop smothering, and emphasis plot will carry out spot film prevention and treatment.
Three, it sprays insecticide it is noted that preventing the murder by poisoning to weeds surrounding plants and reed.
3. the maintenance management of clover mainly includes irrigation and the prevention and control of plant diseases, pest control.
It irrigates: before emergence, spray irrigation system being installed and spray, not spray irrigation system, spray head, artificial mark spraying can be made by oneself
Spill pouring.Every morning or at dusk each sprinkling are primary, so that level ground bed surface is remained wet, until emergence.It can be reduced after emergence
Water spray number, but still need to manage with delicacy.During which seedling management about 30~50d notices that watering makes level ground bed keep wet.
Disease pest and weed prevention and treatment: after planting, weeds are removed using artificial method of pulling out at any time.For the level ground bed of Summer-sowing,
With straw or Wheat-straw mulching, high temperature damage not only can avoid, but also can make level ground bed moisturizing.When true leaf grows covering ground, multiply day yin
Or covering is thrown off when the dusk.
(3) interim anti-washing structure
To avoid vegetable seeds or seedling from being taken away by current scour centainly interim need to be arranged in test block in initial planting
Erosion control facility, to ensure that vegetation field planting is taken root.Interim anti-washing structure need to meet two conditions: first is that stronger shock-absorbing capacity,
Vegetation root system does not reach full growth, and the period for not having solid beach ability is able to bear washing away for water flow, second is that advantage of lower cost.
Cohesive sediment content is affected to soil initial velocity.Cohesive sediment content more soil glues between particle
Knot power is bigger, it is bigger to start the flow velocity obviously washed away, and scour depth is smaller under equal conditions.Consider that engineering is practical, the soil body
Consolidation process after backfill usually for some time, compactness can increased, therefore the close viscosity of actual backfill property
Soil.
Comprehensively consider above-mentioned factor, degradable straw rope selected to be laid to grid framework, is fixed using batten piling,
As interim anti-washing structure.
The shock-absorbing capacity of the interim anti-washing structure of different types is different, and under equal conditions, anti-washing structure gap is bigger, and erosion control is made
With smaller.
There is also differences for demand of the different vegetation growths to space, when being laid with interim anti-washing structure, consider the sky of the structure
Between occupancy situation and its influence to plant.In the technical scheme, Bermuda grass, clover are close to earth's surface, anti-washing structure shadow
It rings less, is not required to consider pitch problems.The plantation of general reed is spaced about 30cm, and straw rope is overstocked to be inconvenient to be transplanted, and needs
Consider pitch problems.
Comprehensively consider the growing space demand of plant, the economy of the operability of plantation and interim anti-washing structure and makes
With the service life, determine the straw rope for selecting diameter 1cm, the spacing 10cm that restricts as interim anti-washing structure main body.
The solid beach effect that ecology consolidates beach technology is fabulous, and using this technology, root surface area density (RSAD) can be in 1 year
Root weight density (RWD) increased from zero in 80 or more, 30cm topsoil then can reach 670-1500g/m3.
It should be understood that the above description is merely a specific embodiment, but protection scope of the present invention is not
Be confined to this, anyone skilled in the art within the technical scope disclosed by the invention, the variation that can be readily occurred in
Or replacement, it should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of embedded type ecology consolidates beach method, it is characterised in that: use Bermuda grass, clover and reed as solid beach vegetation；It will
Gu beach vegetation is planted in the soil by base material improvement；The grid framework erosion control knot that laying is woven into straw rope above soil
Structure；The Bermuda grass plantation is located at the surface layer of planting soil；The clover is spatially higher than the Bermuda grass；The reed
Spatially it is higher than the clover；The grid framework is driven piles by batten and is fixed；The diameter of the straw rope is 1cm；It is described
The rope spacing of grid framework is 10cm.
2. a kind of embedded type ecology according to claim 1 consolidates beach method, it is characterised in that: the plantation of the Bermuda grass is close
Degree is 200-300g/m2；The planting density of the clover is 200g/m2；The planting density of the reed is 6 sections/m2。
3. a kind of embedded type ecology according to claim 2 consolidates beach method, it is characterised in that: the growing surface of the Bermuda grass
Product is twice of the cultivated area of the clover.
4. a kind of embedded type ecology according to claim 1 consolidates beach method, it is characterised in that: the step of soil matrix improves
Are as follows:
(1) in Project Areas, soil is implanted into clay and tamps；
(2) regular applications of farmyard manure provides necessary nutrient for plant；
(3) it is inoculated with soil algae algae.
5. a kind of embedded type ecology according to claim 4 consolidates beach method, it is characterised in that: in the step of soil matrix improvement
Suddenly in (1), the soil thickness that Project Areas is implanted into clay is 50cm.
6. a kind of embedded type ecology according to claim 4 consolidates beach method, it is characterised in that: in the step of soil matrix improvement
Suddenly in (2), apply fertilizer 500kg per acre.
7. a kind of embedded type ecology according to claim 1 consolidates beach method, it is characterised in that: the solid beach vegetation plantation in
In the grid of grid framework.
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| CN106381837B (en) * | 2016-10-21 | 2019-04-05 | 中国电建集团中南勘测设计研究院有限公司 | A kind of lakeside zone restoration of the ecosystem structural system and restorative procedure |
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| CN108901659A (en) * | 2018-07-04 | 2018-11-30 | 东南大学 | The structure and its implementation method for preventing contaminated site engineering earthing from cracking using vegetation |
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