CN101498126A - Method for protecting quasi ecological lake river bank inclined slope - Google Patents
Method for protecting quasi ecological lake river bank inclined slope Download PDFInfo
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- CN101498126A CN101498126A CNA2009100145029A CN200910014502A CN101498126A CN 101498126 A CN101498126 A CN 101498126A CN A2009100145029 A CNA2009100145029 A CN A2009100145029A CN 200910014502 A CN200910014502 A CN 200910014502A CN 101498126 A CN101498126 A CN 101498126A
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Abstract
The invention provides a protection method for an inclined slope on a river bank of a quasi ecological lake. Ditches are dug on the sloping surface of the inclined slope on the river bank and made to be lengthways and widthways connected to form a network shape, each ditch has a width of 30 cm to 40 cm and a depth of 25 cm to 30 cm. For an inclined slope on a river bank made of sandy soil, the area in a shell frame formed among the ditches is from 3m<2> to 4m<2>. For an inclined slope on a river bank made of viscous soil, the area in a shell frame formed among the ditches is from 5m<2> to 6m<2>. A mode of permanent planting with high density is adopted, hygrophytes are planted in the ditches, cover plants are planted in the shell frame formed among the ditches, and emergent aquatic plants and submerged plants are planted at the lower part of the sloping surface. The invention has simple construction and low cost, can have the action for preventing flushing and protecting an earth mound, is propitious to conserve water and soil and lower the sloping surface flushing degree, provides the living environment for animals, plants and microorganisms, enables the ecological system on the sloping bank to keep stable, and has the action for beautifying the environment.
Description
Technical field
The present invention relates to a kind of means of defence of lake river bank inclined slope of accurate ecology, belong to ecological dike prevention slope technical field.
Background technology
Bunding claims shore protection or Riparian Zone again, is defined as the vegetation area of having an effect with current in the land at first.Bank slope mainly is made up of three parts, i.e. top, slope, domatic and toe.Wherein, sloping top belongs to terrestrial ecosystems, and toe does not have not under water throughout the year, belongs to the part of river ecosystem, and domatic then is the intermediate zone of the land and water ecosystem, and promptly land and water is staggered is with, and it has the double characteristic and the function of the land and water ecosystem concurrently.
Lake river bank inclined slope is thriftiness ground in the water front territory, for river amphibian animal, insects and birds provide the habitat, also is the gallery of Lu Sheng and aquatic animals and plants active migration, occupies to the pass consequence in the ecosystem; Bank slope is the media that bank contacts with water, is its passage that carries out the water body exchange; The adhewsive action of bank slope plant can promote the absorption of nutriments such as nitrogen phosphorus and the decomposition of organic pollution, reaches the purpose of protecting and improving water quality.
The tradition shore protection is mainly considered the basic functions such as flood passage, water drainage, retaining, shipping of water body, the all fairly simple and domatic smoother, hard of shore protection pattern, common stone masonry or dry stone wall shore protection, the cast-in-place or forms such as precast concrete block shore protection and geotechnological module concrete revetment of mainly containing.Tradition shore protection artificial trace is obvious, and biology almost can't be survived thereon, be multiplied, and has brought many adverse influences to ecological environment.The canalization river course has changed the grown form of river winding type, causes the heterogeneous reduction in habitat, and bio-diversity decreases; finally may cause whole river ecosystem degeneration; and traditional shore protection has stoped the exchange of slope and water body, is unfavorable for the protection of wetland.
Ecological revetment is the development trend of modern river improvement.Ecology typed bank revetment commonly used both at home and abroad at present has: 1. simple biological shore protection: by planting vegetation (arbor, shrub, turf etc.) at bank slope, play the effect of solid native shore protection, this technology is very limited on anti-current, stormy waves scouring capability, and flow condition is had relatively high expectations; 2. vegetation reinforcement technology: by geonet, the cast-in-place grid of ecological concrete, planting groove or use prefabricated component, geotextile or bag weaved (Fibre Bag) mode such as banket, vegetation is carried out reinforcement, strengthen the erosion-resistant ability of bank slope, play better safeguard function, but, this technology has increased investment, has improved the shore protection cost, and labour intensity is big.
Summary of the invention
The present invention is directed to the problem of traditional shore protection technical costs height, environmental benefit difference and the deficiency of existing ecological revetment technology, provide a kind of cost low, be beneficial to water body exchange, have the means of defence of the quasi ecological lake river bank inclined slope of environmental benefit and economic benefit concurrently.
The means of defence of quasi ecological lake river bank inclined slope of the present invention is:
On embankment slope domatic, excavate irrigation canals and ditches, it is network-like that irrigation canals and ditches are linked to each other in length and breadth, and the width of irrigation canals and ditches is 30cm--40cm, and the degree of depth is 25cm--30cm, for the embankment slope of sandy soil, the area of (being the empty frame area that surrounds between the irrigation canals and ditches) is 3m in the framework that constitutes between each bar irrigation canals and ditches
2--4m
2, for the embankment slope of clayed soil, the area in the framework that constitutes between each bar irrigation canals and ditches is 5m
2--6m
2In irrigation canals and ditches, plant hygrophyte, when hygrophyte is planted with transplanting method, adopting spacing in the rows is the interlaced mode of planting plantation of high density root system of 2.5cmcm--3.0cm, when hygrophyte is planted in the cuttage mode, adopting spacing in the rows is the high density mode of planting plantation of 1.5cm-2.0cm, plants ground cover plant in the framework that constitutes between each bar irrigation canals and ditches, domatic bottom plantation emergent aquactic plant and submerged plant.
Irrigation canals and ditches link to each other can be fish scale shape, square net shape, network shape or other Any shape.
Ground cover plant can be adopted seeding method.
The present invention adopts the interior plantation of irrigation canals and ditches hygrophyte that the embankment slope is reinforced; and the mode of the interlaced field planting of employing high density root system; construction is simple; cost is low; can play the effect of protection against erosion, protection earth embankment; help conserving water and soil; reduce domatic degree of being washed away; for animals and plants and microorganism provide living environment, increased the diversity of hygrophyte kind, help pollution abatement; make the sloping bank ecosystem keep stable; have the effect of beautifying the environment simultaneously, increase to carry and enclose sight, and have very high economic worth.
Description of drawings
Fig. 1 is that first that adopt quasi ecological lake river bank inclined slope that the present invention constructs is the structural representation of embodiment;
Fig. 2 is that to adopt second of quasi ecological lake river bank inclined slope that the present invention constructs be the structural representation of embodiment;
Fig. 3 is the interlaced schematic diagram of high density root system.
The specific embodiment
Embodiment 1
As shown in Figure 1, in the quasi ecological lake river bank inclined slope that the present invention constructs, river levee adopts dike road convolution, and levee body is a homogeneous earth dam, and the structure of shore protection is positioned at the top that layer is laid in the riverbed.The irrigation canals and ditches of excavation are latticed on domatic, and the width of irrigation canals and ditches is 30cm--40cm, and the degree of depth is 25cm--30cm.For the slope of sandy soil, the area in the framework that constitutes between each bar irrigation canals and ditches is 3m
2~ 4m
2, for the slope of clayed soil, this area can suitably increase to 5m
2~ 6m
2As shown in Figure 3, adopt the mode of the interlaced field planting of high density root system to plant hygrophytes such as purple willow, Chinese tamarisk in each bar irrigation canals and ditches, the mode of transplanting, the hygrophyte of getting 60cm--80cm are adopted in the plantation of plant, cut height to 50cm, spacing in the rows is 2.5cm-3.0cm, and earthing is implanted in the irrigation canals and ditches in the interlaced back of root system, water sufficient water, water once next day again, and earthing was done the ridge, the high 20cm--30cm in the ridge after water infiltrated soil layer.During the 15--20 day in August, light pruning makes it apart from ground 30cm--35cm; The 10--15 day in March in early spring or 15--30 day November in the time when autumn turns into winter, heavy pruning makes it apart from ground 25cm--30cm, cuts stubble once every 7--8, promptly with axe purple willow or the old stubble of Chinese tamarisk flush with ground is scabbled, to recover growing way and to improve the bar protonatomic mass.Adopt seeding method plantation ground cover plant (as annual bluegrass, red fescue etc.) in the framework that between each bar irrigation canals and ditches, constitutes.Domatic bottom plantation emergent aquactic plant (as reed, cattail, convexutricle sedge herb and water branch cotton etc.) and submerged plant (as eel grass, hydrilla verticillata etc.).
Embodiment 2
As shown in Figure 2, the irrigation canals and ditches of present embodiment excavation on domatic are the fish scale shape, plant hygrophytes such as purple willow, Chinese tamarisk in the mode of cuttage in the irrigation canals and ditches, and the spacing in the rows of hygrophyte is 1.5cm-2.0cm, the long 30cm of plugged ear, and 20cm buries.The cuttage date is 10 days of March--20 days, can suitably shift to an earlier date (March 10) on the south the Changjiang river, and can suitably postpone (March 20) to the north of the Changjiang river.The hygrophyte high density is implanted in the ditch, and earthing waters sufficient water, and water once next day again, and earthing was done the ridge, the high 20cm--30cm in the ridge after water infiltrated soil layer.Cut once 1 year autumn, and during the 15--20 day in August, light pruning makes it apart from ground 30cm--35cm.Can cut twice every year after 1 year, 10--15 day March in early spring or 15--30 day November in the time when autumn turns into winter, heavy pruning makes it apart from ground 25cm--30cm, cuts stubble once every 7--8, promptly purple willow and the old stubble of Chinese tamarisk flush with ground are scabbled, to recover growing way and to improve the bar protonatomic mass with axe.In the framework that trench digging constitutes, plant ground cover plant (as annual bluegrass, red fescue etc.), can adopt seeding method.The bottom on slope plantation emergent aquactic plant (as reed, cattail, convexutricle sedge herb and water branch cotton etc.) and submerged plant (as eel grass, hydrilla verticillata etc.).
The present invention has the following advantages:
1. stone masonry or loose stone shore protection, cast-in-place or precast concrete block shore protection and geotechnological module concrete revetment etc. have been eliminated The shore protection mode is unfavorable for the drawback of water body exchange, is conducive to the protection of wetland. And construction cost is low, and is simple in structure, executes The worker is convenient, saves cost.
2. transplant to adopt the mode of the interlaced field planting of high density root system, root system of plant thick and fast, crisscrossly intert In the soil body, the mode of high-density planting is then adopted in cuttage, has prevented the generation of mass erosion on the bank slope, has increased the riverbank Stability. Plant adopts the high density mode to plant, but line-spacing is big, thereby can not affect plant growth.
3. trench digging is fish scale-shaped or latticed or other shapes make sloping bank be divided into some zones, plants to be implanted with heavy water-based, water-based very And the dissimilar plant such as humidogene, for river amphibian animal, insects and birds provide living environment, kept The diversity of the bank slope ecosystem is beautified the environment, and increases to carry to enclose sight.
4. the structure of Riparian Zone phytobiocoenose buffer strip prevents that river bank scouring from corroding, and guarantees that the riverbank terrestrial ecosystem unifies The continuity of aquatic ecosystem. Cover plant plays remarkable effect at aspects such as filtering precipitate, nutriments, can reduce Enter the river course from nutriments such as the nitrogen of farming region, phosphorus, reach protection and improve the purpose of water quality.
5. plant and plant purple willow and Chinese tamarisk, cut bar twice, and as compiling the basket material, had very high economic worth in 1 year.
Claims (1)
1. the means of defence of a quasi ecological lake river bank inclined slope, it is characterized in that: on embankment slope domatic, excavate irrigation canals and ditches, it is network-like that irrigation canals and ditches are linked to each other in length and breadth, the width of irrigation canals and ditches is 30cm--40cm, the degree of depth is 25cm--30cm, for the embankment slope of sandy soil, the area in the framework that constitutes between each bar irrigation canals and ditches is 3m
2--4m
2, for the embankment slope of clayed soil, the area in the framework that constitutes between each bar irrigation canals and ditches is 5m
2--6m
2In irrigation canals and ditches, plant hygrophyte, when hygrophyte is planted with transplanting method, adopting spacing in the rows is the interlaced mode of planting plantation of high density root system of 2.5cm cm--3.0cm, when hygrophyte is planted in the cuttage mode, adopting spacing in the rows is the high density mode of planting plantation of 1.5cm-2.0cm, plants ground cover plant in the framework that constitutes between each bar irrigation canals and ditches, domatic bottom plantation emergent aquactic plant and submerged plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100145029A CN101498126B (en) | 2009-02-27 | 2009-02-27 | Method for protecting quasi ecological lake river bank inclined slope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100145029A CN101498126B (en) | 2009-02-27 | 2009-02-27 | Method for protecting quasi ecological lake river bank inclined slope |
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| CN101498126A true CN101498126A (en) | 2009-08-05 |
| CN101498126B CN101498126B (en) | 2011-01-19 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967810A (en) * | 2010-10-09 | 2011-02-09 | 安徽省环境科学研究院 | Self-organization ecological restoration method for windward lakeside zone |
| CN102030413A (en) * | 2010-11-10 | 2011-04-27 | 河海大学 | Urban river step ecological revetment facility for purifying overflowed sewage and building method thereof |
| CN102505700A (en) * | 2011-11-23 | 2012-06-20 | 中国神华能源股份有限公司 | Willow rod anchoring side slope protection method for loess area |
| CN102524014A (en) * | 2012-03-12 | 2012-07-04 | 西北农林科技大学 | Water collection and retention method for rain harvesting and infiltration in woodlands on mountain slopes |
| CN102561265A (en) * | 2012-03-09 | 2012-07-11 | 河海大学 | Ecological slope protection method for protecting side slope of silty soil ditch by using grass mat |
| CN103061309A (en) * | 2012-12-31 | 2013-04-24 | 清华大学 | Ecological embankment |
| CN103334407A (en) * | 2013-07-17 | 2013-10-02 | 吴正松 | Pinch planting technology for eleusine indica slope protection of earth dam |
| CN104695395A (en) * | 2015-03-30 | 2015-06-10 | 河海大学 | Irrigation area channel flinty slope protection animal escape passage |
| CN106049367A (en) * | 2016-07-06 | 2016-10-26 | 广东省生态环境技术研究所 | Multifunctional ecological landscape ditch |
| CN108867667A (en) * | 2018-07-12 | 2018-11-23 | 中国环境科学研究院 | Shore bank band chiltern bank slope ecology solid protection method |
| CN113024025A (en) * | 2021-03-04 | 2021-06-25 | 中国科学院生态环境研究中心 | Ecological bank protection construction method for improving urban river water environment |
Family Cites Families (4)
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|---|---|---|---|---|
| KR20050030428A (en) * | 2003-09-26 | 2005-03-30 | 주식회사 우일 이알에스 | The net for slope protection, and it's construction method |
| CN1710210A (en) * | 2004-06-18 | 2005-12-21 | 桂林工学院 | Water banyan ecological bank protection method |
| CN1912256A (en) * | 2006-08-17 | 2007-02-14 | 张玉昌 | Method of vegetation slope pavement of level fluctuation zone |
| CN100398753C (en) * | 2007-07-20 | 2008-07-02 | 北京市水利科学研究所 | Reservoir bank ecological protection system |
-
2009
- 2009-02-27 CN CN2009100145029A patent/CN101498126B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967810A (en) * | 2010-10-09 | 2011-02-09 | 安徽省环境科学研究院 | Self-organization ecological restoration method for windward lakeside zone |
| CN101967810B (en) * | 2010-10-09 | 2012-05-09 | 安徽省环境科学研究院 | Self-organization ecological restoration method for windward lakeside zone |
| CN102030413A (en) * | 2010-11-10 | 2011-04-27 | 河海大学 | Urban river step ecological revetment facility for purifying overflowed sewage and building method thereof |
| CN102030413B (en) * | 2010-11-10 | 2012-05-23 | 河海大学 | Urban river step ecological revetment facility for purifying overflowed sewage and building method thereof |
| CN102505700A (en) * | 2011-11-23 | 2012-06-20 | 中国神华能源股份有限公司 | Willow rod anchoring side slope protection method for loess area |
| CN102561265A (en) * | 2012-03-09 | 2012-07-11 | 河海大学 | Ecological slope protection method for protecting side slope of silty soil ditch by using grass mat |
| CN102524014A (en) * | 2012-03-12 | 2012-07-04 | 西北农林科技大学 | Water collection and retention method for rain harvesting and infiltration in woodlands on mountain slopes |
| CN103061309A (en) * | 2012-12-31 | 2013-04-24 | 清华大学 | Ecological embankment |
| CN103061309B (en) * | 2012-12-31 | 2015-03-04 | 清华大学 | Ecological embankment |
| CN103334407A (en) * | 2013-07-17 | 2013-10-02 | 吴正松 | Pinch planting technology for eleusine indica slope protection of earth dam |
| CN104695395A (en) * | 2015-03-30 | 2015-06-10 | 河海大学 | Irrigation area channel flinty slope protection animal escape passage |
| CN106049367A (en) * | 2016-07-06 | 2016-10-26 | 广东省生态环境技术研究所 | Multifunctional ecological landscape ditch |
| CN108867667A (en) * | 2018-07-12 | 2018-11-23 | 中国环境科学研究院 | Shore bank band chiltern bank slope ecology solid protection method |
| CN108867667B (en) * | 2018-07-12 | 2019-07-19 | 中国环境科学研究院 | Shore bank band chiltern bank slope ecology solid protection method |
| CN113024025A (en) * | 2021-03-04 | 2021-06-25 | 中国科学院生态环境研究中心 | Ecological bank protection construction method for improving urban river water environment |
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| CN101498126B (en) | 2011-01-19 |
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Granted publication date: 20110119 Termination date: 20140227 |