CN208624067U - Beach saline land greening system - Google Patents
Beach saline land greening system Download PDFInfo
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- CN208624067U CN208624067U CN201820465894.5U CN201820465894U CN208624067U CN 208624067 U CN208624067 U CN 208624067U CN 201820465894 U CN201820465894 U CN 201820465894U CN 208624067 U CN208624067 U CN 208624067U
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Abstract
This disclosure relates to a kind of beach saline land greening system, including saline and alkaline ground (3), saline and alkaline ground (3) is formed with lowland (2) and the man-made island (1) among lowland, and the gap of lowland and man-made island is formed as the lake body (4) filled with underground water；The island body of man-made island includes at least one improvement soil layer, and the upper surface of island body is higher than saline and alkaline ground, and improvement soil layer is equipped with plantation layer.The system is by being arranged lowland on the saline and alkaline ground rich in underground water, form lake surface and the man-made island containing improvement soil layer, the man-made island includes slopes, island face expands underground water and island face difference in height after raising, can relative reduction level of ground water, reduce underground water by capillarity to the earth's surface accumulation of salt in the surface soil, reduce island topsoil saline and alkaline, improve soil texture and fertility, is effectively improved soil alkaline situation；The system includes polymorphic type plant species growing area, and analog island natural vegetation distribution forms rich and varied phytobiocoenose, has good landscape effect.
Description
Technical field
This disclosure relates to field of environment protection, and in particular, to a kind of beach saline land greening system.
Background technique
Beach saline land greening technique is the fields such as current afforestation and ecological environment reparation important research hot spot.China
That there are about 1.8 ten thousand kilometers of oceanfront and island is littoral for coastal provinces, city, autonomous region, widely distributed various types strand salt
Alkaline earth, the gross area is up to 50,000 square kilometres.Coastal region is one of China's economy most developed region, Binhai New Area in Tianjin, Liaoning edge
The coastal regions such as extra large economy-zone, Shanghai Pudong New Area and jiangsu coast economy-zone, have all been included in national development strategy, city
Fast development keeps coastal region Greening problem especially prominent.
Coastal region soil salt content is high, and level of ground water is high, plants ornamental plant in conventional manner, and plant can not survive,
It is very big to afforest difficulty.Beach saline land modification method mainly has the ameliorative measures such as physics, chemistry and biology at present, using single salt
The ameliorative measure of alkali ground, plant survival rate is low and undergrowth, and afforestation effect is undesirable, therefore needs a kind of various improvement of synthesis and arrange
Apply the saline land greening system of advantage.
Beach saline land plants ornamental plant using conventional method, and plant can not survive, and greening difficulty is very big；Using object
The single measures such as reason, chemistry and biology carry out salt-soda soil reparation, and plant survival rate is low and undergrowth, afforestation effect are undesirable.
Utility model content
Purpose of this disclosure is to provide a kind of beach saline land greening system, which can improve beach saline land
Soil alkaline situation solves the problems, such as that beach saline land afforestation effect is poor.
To achieve the goals above, the disclosure provides a kind of beach saline land greening system, including saline and alkaline ground, the salt
Alkali ground is formed with lowland and the man-made island among the lowland, and the gap of the lowland and the man-made island is formed as filling out
Lake body filled with underground water；The island body of the man-made island includes at least one improvement soil layer, and the improvement soil layer is equipped with plantation
Layer, and the upper surface of the island body is higher than the saline and alkaline ground；The part that the island body is located at lake body surface face or more includes
The low slopes of intermediate high surrounding, the plantation layer cover the slopes, and the gradient ratio of the slopes is 1:(2~4)；The slopes
It from top to bottom successively include arbor area, shrub area and draft area；The height of the arbor offset face toe is 1.7-2.5m, institute
The height for stating shrub offset face toe is 0.3-1.7m, and the height of the draft offset face toe is less than 0.3m.
Optionally, the plantation layer includes arbor plantation layer, shrub plantation layer and draft plantation layer；The arbor plants layer
It is set to the arbor area, the shrub plantation floor is set to the shrub area, and the draft plantation layer is set to the draft
Area.
Optionally, the arbor area is successively arranged metalling and the improvement soil layer from the bottom to top, on the improvement soil layer
Layer is planted equipped with the arbor, the shrub area and draft area respectively include the improvement soil layer.
Optionally, which includes one or more lowlands, the occupied area of all lowlands with it is described saline and alkaline
The area ratio on ground is 1:(3~4).
Optionally, the depth of the lowland is 1.5~2.0m, and the height of the man-made island is 1.5~2.5m.
Optionally, which further includes plant chinampa, and the plant chinampa is set in the lake body.
Optionally, the surface area on the plant chinampa is 5~10m2。
Optionally, the improvement soil layer includes alkaline land soil and soil conditioner, and the alkaline land soil and soil change
Good dose of weight ratio is 1:(1~2).
Through the above technical solutions, the beach saline land greening system of the disclosure passes through on the saline and alkaline ground for being rich in underground water
Lowland is set, forms lake surface and the man-made island containing improvement soil layer, which includes the low slopes of intermediate high surrounding, and is planted
Layer covers the slopes, and island face expands underground water and island face difference in height after raising, can relative reduction level of ground water, reduction underground
Water reduces island topsoil saline and alkaline by accumulation of salt in the surface soil amount of the capillarity to earth's surface, improves soil texture and fertility, effectively changes
Kind soil alkaline situation.By the way that different type plant species growing area is arranged, island natural vegetation distribution can be simulated, is formed abundant more
The phytobiocoenose of sample has good landscape effect.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the beach saline land greening system of the disclosure.
Description of symbols
1 man-made island, 11 arbor area
12 shrub area, 13 draft area
The saline and alkaline ground of 2 lowland 3
4 lake bodies
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refers to system and exists
It is upper and lower under normal operating condition, it specifically can refer to the page of Fig. 1.
As shown in Figure 1, the disclosure provides a kind of beach saline land greening system, including saline and alkaline ground 3, saline and alkaline 3 shape of ground
The gap of man-made island 1 at there is lowland 2 and positioned at 2 centre of lowland, lowland 2 and man-made island 1 is formed as the lake filled with underground water
Body 4；The island body of man-made island 1 includes at least one improvement soil layer, and improvement soil layer is equipped with plantation layer, and the upper surface of island body is higher than
Saline and alkaline ground 3；The part that island body is located at 4 surface of lake body or more includes the low slopes of intermediate high surrounding, and plantation layer covers slope
Body, the gradient ratio of slopes are 1:(2~4)；Slopes from top to bottom successively include arbor area 11, shrub area 12 and draft area 13；It is tall
Wooden height of the area 11 away from face toe is 1.7-2.5m, and height of the shrub area 12 away from face toe is 0.3-1.7m, draft area 13
Height away from face toe is less than 0.3m.
The beach saline land greening system of the disclosure is by being arranged lowland on the saline and alkaline ground rich in underground water, due to underground
Water water level is higher, and lake body can be formed in lowland, and the man-made island containing improvement soil layer includes the low slopes of intermediate high surrounding, and is planted
Layer covers the slopes, and island face expands underground water and island face difference in height after raising, can relative reduction level of ground water, reduction underground
Water reduces island topsoil saline and alkaline by accumulation of salt in the surface soil amount of the capillarity to earth's surface, improves soil texture and fertility, effectively changes
Kind soil alkaline situation.By the way that different type plant species growing area is arranged, island natural vegetation distribution can be simulated, is formed abundant more
The phytobiocoenose of sample has good landscape effect.
According to the disclosure, man-made island may include one or more improvement soil layers, wherein improvement soil layer, that is, alkaline land soil
The soil layer formed after being improved preferably carries out the conditioned soil in situ for taking and obtaining after native improved in salt-soda soil.Conditioned soil
Distribution of the layer in the body of man-made island island there is no limit, for the ease of obtaining material, the earthwork balance in guarantee system, man-made island
Island body can be largely or entirely made of improvement soil layer.
In a kind of specific embodiment of the disclosure, improvement soil layer may include alkaline land soil and soil conditioner,
The weight ratio of alkaline land soil and soil conditioner can be 1:(1~2), preferably 1:(1.5~2), it is improved after it is saline and alkaline
Ground soil can create soil aggregate structure, increase soil organic matter content and permeability, reduce soil product accumulation of salt in the surface soil speed, improvement
Salt affected soil.Wherein, the saline-alkali soil that alkaline land soil preferably excavates in situ, what soil conditioner can be conventional for this field,
For example including at least one of cow dung, river sand, turfy soil, desulfurized gypsum, it is preferable that soil conditioner can be by mass ratio about
It is formulated for the cow dung of 20:15:14:1, river sand, turfy soil and desulfurized gypsum.This preferred modifying agent raw material sources are extensive
It is easy to get, is at low cost and good to the improved effect of saline-alkali soil.
According to the disclosure, in order to improve soil salinity and alkalinity, saline alkali tolerant plant can be planted on man-made island, further,
Changed according to the elevation of man-made island, planting layer may include that arbor plantation layer, shrub plantation layer and draft plant layer, certainly with simulation
Right vegetation distribution, forms the phytobiocoenose of multiplicity；Correspondingly, arbor plantation floor can be set in arbor area 11, and shrub plants layer
It can be set in shrub area 12, draft plantation floor can be set in draft area 13.Floristics in each plantation layer may be selected to be
For example, at least one of Chinese wax, American elm, Bai Sang can be planted in arbor plantation layer, can be planted in shrub plantation layer Chinese tamarisk,
At least one of false indigo, draft plant in layer can with Planting Medicago sativa, alkali is fluffy, at least one of reed.
In order to improve the survival rate of magaphanerophytes, it is preferable that arbor area 11 can be successively arranged from the bottom to top metalling and
Soil layer is improved, the thickness of metalling can be 15~25cm, and above-mentioned arbor can be equipped with by improveing on soil layer plants layer, further
Ground can plant laying straw screen or mat at the top of layer in arbor and be retained, reduce evaporation from topsoil, salinity is inhibited to assemble in earth's surface,
Solve the problems, such as that salt-soda soil arbor plantation difficulty is big.The herbaceous seeds such as clover, alkali is fluffy can be sowed around arbor plantation layer, simultaneously
The shrubs such as collocation Chinese tamarisk, false indigo form tall shrub composite forest band；The structure in shrub area 12 and draft area 13 may be routine
, for example, shrub area 12 and draft area 13 can respectively include improvement soil layer, preferably shrub area 12 and draft area 13 all by
Improvement soil layer is formed.Further, the slopes of entire man-made island can also be formed by improvement soil layer.
In order to guarantee earthwork balance in system, while guaranteeing salt-soda soil improvement, which may include one or more
The area ratio on a lowland 2, the occupied area of all lowlands 2 and saline and alkaline ground 3 can be 1:(2~5), preferably 1:(3~
4)。
According to the disclosure, the height difference ratio of lowland 2 and man-made island can change in larger range, for example, the depth of lowland 2 can
Think 1~3m, preferably 1.5~2.0m, the height of man-made island 1 can be 1~4m, preferably 1.5~2.5m.In preferred model
In enclosing, the structure and area of man-made island are suitable for, conducive to the underground water accumulation of salt in the surface soil to the ground is avoided.
The shapes and sizes of man-made island also can be formed as from the bottom to top including cylinder without particular/special requirement, such as man-made island
With the island body of slopes, columnar part is preferably cylindrical body, is predominantly located at the water surface hereinafter, slopes part is located at the water surface or more.Manually
The size on island can be adjusted according to earth volume in the size and system of lowland, it is preferable that the occupied area of man-made island with it is recessed
The ratio between the occupied area on ground can be (2~3): 1.
In order to advanced optimize system ecology environment, it is preferable that the system further includes plant chinampa, and plant chinampa can be set
It is placed in lake body 4.Plant chinampa may include saline-alkali tolerant emergent aquactic plant, such as reed, Lythrum salicaria, cattail etc., be enriched with being formed
The phytobiocoenose of multiplicity obtains good landscape effect, and further, the surface area on chinampa can be 5~10m2, chinampa shape
It can be rectangle.
The beach saline land greening system of the disclosure can be manufactured by method comprising the following steps:
(1) earth excavation: before earth excavation, all kinds of sundries on saline and alkaline ground are cleared up, and carry out levelling of the land, avoided
Topography has compared with macrorelief.Excavation depth is 1.5m or so, and excavation region accounts for the 1/3 of overall area.It digs low area and forms lake surface.
(2) original soil is improved: being improved to the earthwork of excavation, the earthwork is mixed with soil conditioner by 4:6 (mass ratio)
It is even.Soil conditioner is prepared by cow dung, river sand, turfy soil, desulfurized gypsum etc. by 20:15:14:1 (mass ratio).Soil conditioner
Soil aggregate structure can be created, soil organic matter content and permeability are increased, soil product accumulation of salt in the surface soil speed is reduced, improves saline-alkali soil
Earth.
(3) plastotype is at island: improvement earthen backfill is at island, gradient ratio 1:2, island heights of roofs 2.0m or so.It is lifted by plastotype at island
High ground level, relative reduction level of ground water reduce underground water by accumulation of salt in the surface soil amount of the capillarity to earth's surface, reduce island surface layer
Soil salinity and alkalinity.It pushes up from island to ground level and gently backfills, vegetation plant is carried out during backfill.Island area accounts for about total area
The 2/3 of domain.
(4) vegetation is transplanted: the elevation according to island changes, simulation island natural vegetation distribution, plantation saline-alkali tolerant moisture-proof arbor,
Shrub and herbaceous plant, from high to low formation high forest-spinney-meadow.High forest region away from height above ground level 1.7-2.0m,
Spinney region height 0.3-1.7m, meadow region 0-0.3m.Arbor selects Chinese wax, and shrub selects Chinese tamarisk, false indigo, draft choosing
Select that alkali is fluffy, reed.20cm aggregate chips laying is first carried out in high forest growing area, then carries out improvement earthen backfill, plants layer in arbor
Top is laid with straw screen or mat and is retained, and reduces evaporation from topsoil, and salinity is inhibited to assemble in earth's surface, and it is difficult to solve the plantation of salt-soda soil arbor
Spend big problem.The herbaceous seeds such as clover, alkali is fluffy, while the shrubs such as Chinese tamarisk of arranging in pairs or groups, false indigo, shape are sowed around arbor plantation layer
At tall shrub composite forest band.
(5) lake surface chinampa is arranged: Underground Water in Salinization Area position is higher, will form the water surface after excavation, and when irrigating moisture can under
It seeps to lake surface, therefore digs low area water abundance, be configured plant chinampa in lake surface, reed, Lythrum salicaria, perfume (or spice) are sowed on chinampa
The saline-alkali tolerants emergent aquactic plant seed such as Pu.Chinampa area 6m2, shape rectangle.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (8)
1. a kind of beach saline land greening system, including saline and alkaline ground (3), which is characterized in that the saline and alkaline ground (3) is formed with
The gap of lowland (2) and the man-made island (1) being located among the lowland (2), the lowland (2) and the man-made island (1) is formed
For the lake body (4) filled with underground water；The island body of the man-made island (1) includes at least one improvement soil layer, the improvement soil layer
It is equipped with plantation layer, and the upper surface of the island body is higher than the saline and alkaline ground (3)；The island body is located at lake body (4) table
Part more than face includes the low slopes of intermediate high surrounding, and the plantation layer covers the slopes, and the gradient ratio of the slopes is
1:(2~4)；The slopes from top to bottom successively include arbor area (11), shrub area (12) and draft area (13)；The arbor area
(11) height away from face toe is 1.7-2.5m, and the height of the shrub area (12) away from face toe is 0.3-1.7m, described
The height of draft area (13) away from face toe is less than 0.3m.
2. beach saline land greening system according to claim 1, which is characterized in that the plantation layer includes arbor plantation
Layer, shrub plantation layer and draft plant layer；The arbor plantation floor is set to the arbor area (11), and the shrub plantation layer is set
It is placed in the shrub area (12), the draft plantation floor is set to the draft area (13).
3. beach saline land greening system according to claim 2, which is characterized in that the arbor area (11) is from the bottom to top
It is successively arranged metalling and the improvement soil layer, the improvement soil layer is equipped with the arbor and plants layer, the shrub area (12)
The improvement soil layer is respectively included with draft area (13).
4. beach saline land greening system according to claim 1, which is characterized in that the system includes one or more institutes
It states lowland (2), the area ratio of the occupied area of all lowlands (2) and the saline and alkaline ground (3) is 1:(3~4).
5. beach saline land greening system according to claim 1, which is characterized in that the depth of the lowland (2) is 1.5
~2.0m, the height of the man-made island (1) are 1.5~2.5m.
6. beach saline land greening system according to claim 1, which is characterized in that the system further includes plant chinampa,
The plant chinampa is set in the lake body (4).
7. beach saline land greening system according to claim 6, which is characterized in that the surface area on the plant chinampa is
5~10m2。
8. beach saline land greening system according to claim 1, which is characterized in that the improvement soil layer includes salt-soda soil
Soil and soil conditioner.
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| CN201820465894.5U CN208624067U (en) | 2018-03-30 | 2018-03-30 | Beach saline land greening system |
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| CN201820465894.5U CN208624067U (en) | 2018-03-30 | 2018-03-30 | Beach saline land greening system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114946303A (en) * | 2021-02-24 | 2022-08-30 | 青岛冠中生态股份有限公司 | Ecological barrier for blocking salt fog in sea island |
-
2018
- 2018-03-30 CN CN201820465894.5U patent/CN208624067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114946303A (en) * | 2021-02-24 | 2022-08-30 | 青岛冠中生态股份有限公司 | Ecological barrier for blocking salt fog in sea island |
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Effective date of registration: 20190524 Address after: Room 663, Building 10, Baiquan Street, Yanqing Economic Development Zone, Beijing 102100 Patentee after: ELION SHOUJIAN ECOLOGICAL SCIENCE & TECHNOLOGY CO., LTD. Address before: Room 663, Building 10, Baiquan Street, Yanqing Economic Development Zone, Beijing 102100 Co-patentee before: Elion Resource Group Co., Ltd. Patentee before: ELION SHOUJIAN ECOLOGICAL SCIENCE & TECHNOLOGY CO., LTD. |
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Effective date of registration: 20210629 Address after: 856001 2nd floor, building 5, Wanren community, Zantang Road, Zedang Town, Naidong District, Shannan City, Tibet Autonomous Region Patentee after: ELION ECOLOGICAL RESTORATION Co.,Ltd. Address before: Room 663, Building 10, Baiquan Street, Yanqing Economic Development Zone, Beijing 102100 Patentee before: ELION SHOUJIAN ECOLOGICAL TECHNOLOGY Co.,Ltd. |
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