CN101967810B - Self-organization ecological restoration method for windward lakeside zone - Google Patents
Self-organization ecological restoration method for windward lakeside zone Download PDFInfo
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- CN101967810B CN101967810B CN2010105052080A CN201010505208A CN101967810B CN 101967810 B CN101967810 B CN 101967810B CN 2010105052080 A CN2010105052080 A CN 2010105052080A CN 201010505208 A CN201010505208 A CN 201010505208A CN 101967810 B CN101967810 B CN 101967810B
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Abstract
The invention discloses a self-organization ecological restoration method for a windward lakeside zone. The method comprises the following steps of: cutting a high slope or abrupt slope according to a gradient situation of a lakeside line so as to enlarge the longitudinal depth of a vegetation revetment as much as possible; selecting different types of vegetations for restoration for different high-elevation regions according to a fluctuation rule of water level of a lake reservoir; restoring vegetation consisting of different types of trees, shrubs and grasses or mixed vegetation for the beach line above the highest water level; restoring emerging vegetation below the highest water level, wherein the emerging plants with developed roots and strong fixation capacity are mainly selected; restoring the emerging plants below the highest water level; performing tunneling operation by using a dredger in the dry sea seasons after and before spring; building a plurality of earth dams leading to the lake reservoir serving as an emerging plant restoration and growth region along the beach line at intervals; and restoring the emerging plants in a rootstock transplanting mode. The degradation direction of an ecological system is turned through a limited engineering guide measure, and the self-organization capacity is gradually restored by depending on the ecological system, so that the representation of an original structure and the function is finished.
Description
Technical field
The present invention relates to eutrophication control and the restoration of the ecosystem of Hu Ku, be specifically related to the ecological reconstruction after the water front ecological degradation of windward side.
Technical background
The lakeside band is into the important place that retains and dissolve, lake surface source, also is the special ecological system, and rich biodiversity is important function of gene storehouse, lake and seed storage.Therefore, band restoration of the ecosystem in lakeside is the important content of storehouse, lake eutrophication control always.
The windward side water front is the fragile lakeside ecosystem; In case vegetation is damaged; Stormy waves corrodes and promptly causes a series of habitat such as matrix unstability, hydraulic shear to worsen, and the ecosystem gets into the vicious circle of degeneration immediately, after this relies on the self organization ability of system itself to be difficult to realize repairing.Therefore, the ecological reconstruction of windward side, degeneration back water front is the difficult point that lake ecological is repaired always.
The restoration of the ecosystem of lakeside, windward side band; The disappearance of necessary pool aquatic vegetation, water front matrix unstability and sluicing aggravation etc. are interrelated, three aspect problems of reciprocal causation; Plant the shore protection plant simply and will be difficult to survival; Must solve the matrix reparation and the hydrology same period and repair the problem of two aspects, restoration of the ecosystem just can take effect.In addition, long-acting restoration of the ecosystem not only requires the reparation to ecosystem Internal Elements, more requires the reparation to system's self organizing function.
Summary of the invention
The object of the present invention is to provide lakeside, a kind of windward side band self-organizing ecological restoring method; That is to say the job practices of lakeside, a kind of windward side band self-organizing restoration of the ecosystem,, reverse the degeneration direction of lakeside, windward side band through the self organization ability of ecology recovering system; Reduce artificial vestige as much as possible; Key provides a flex point, makes the ecosystem backward recovery of degeneration, finally is returned to the state of its ecosystem.
For reaching this purpose, the present invention adopts following technical measures:
Band self-organizing ecological restoring method in lakeside, windward side is characterized in that:
(1), according to the gradient situation of lakeside water front, carry out the necessary slope of cutting for Gao Kan or abrupt slope and handle, enlarge the depth of vegetation shore protection as far as possible;
(2), according to the fluctuation rule of lake reservoir level, different elevations zone selects dissimilar vegetation to recover; Can implement Qiao, filling, the dissimilar or mixed vegetation recoverys of taking of grass more than the water front maximum water level respectively; Very water vegetation recovery below the maximum water level, selection well developed root system, the emergent aquactic plant that the set ability is strong are main.
(3), time of vegetation recovery looks different the habit of plants and decides, the recovery of general emergent aquactic plant should be chosen in to be carried out spring;
(4), enduring water vegetation recovery, the dry season of selection front and back in spring below the maximum water level; Littoral line is built many earth dams that lead to Hu Ku at interval, as enduring water vegetation recovery vitellarium.
Lakeside, described windward side band self-organizing ecological restoring method; It is characterized in that: described earth dam is built the following method that adopts; Use dredge boat between water front and storehouse, lake water body, to tunnel the formula operation; The lakebed earth of excavating is deposited in the dredge boat both sides, forms the broach shape with water front, exceed many earth dams of the water surface, the erosion of having cut down stormy waves to greatest extent.
Lakeside, described windward side band self-organizing ecological restoring method, it is characterized in that: described earth dam is parallel to each other, perpendicular to water front.
Band self-organizing ecological restoring method in lakeside, described windward side is characterized in that: enduring water vegetation recovery vitellarium, the mode of employing rhizome culture transferring is endured the recovery of water vegetation.
Very water vegetation recovery below the maximum water level, the dry season of selection front and back in spring.At first, use the vertical water front of dredge boat to tunnel the formula operation, the lakebed earth of excavating is deposited in the dredge boat both sides, form perpendicular to water front, be parallel to each other, exceed many earth dams of the water surface; Because the strip that earth dam is perpendicular to water front distributes, the erosion of having cut down stormy waves to greatest extent can be used as very water vegetation recovery vitellarium; Enduring water vegetation recovery vitellarium, the mode of employing rhizome culture transferring is endured the recovery of water vegetation; Earth dam will be submerged after when the wet season arrives, and this moment, cauline leaf and the root system of emergent aquactic plant tentatively grew up to, and plant has possessed the ability of certain storm resisting, and that stormy waves also stimulates the emergent aquactic plant rhizome to grow further is sturdy; When the wet season finished the water level falling, waterline was covered by water plant up and down basically, forms effective vegetative protection; In the coming years; Deposit in the navigation channel that silt in the body of lake stays behind the dredge boat driving gradually; Emergent aquactic plant group after the recovery continue between earth dam and the land to spreading growth, form that area coverage is bigger, root system twine be entangled with more closely, water front vegetation shore protection system that antijamming capability is stronger.
Characteristics of the present invention: the one, towards the restorative procedure of self-organizing; Promptly when ecosystem key element is suitably augmented; More pay attention to adjustment to key element spatial and temporal distributions relation; Reverse the degeneration direction of the ecosystem through limited engineering guiding measure, the self organization ability that finally relies on the ecosystem progressively to recover is accomplished the reproduction of its ecosystem 26S Proteasome Structure and Function; The 2nd, recover the ecosystem structure and the view of lakeside band to greatest extent, rather than develop and create new manmade landscape, artificial landscape; The 3rd, the process ecology is fit to large-scale engineering enforcement.
Description of drawings
Fig. 1, Fig. 2 are work progress figure of the present invention.
The specific embodiment
Below in conjunction with instantiation the present invention is described further, but protection scope of the present invention is not limited in this.
Select the 400m lakeside band of large-size lake windward side, this place's ecological degradation is serious, the aquatic vegetation complete obiteration.Use dredge boat 1 to tunnel the formula operation in the dry season in February, made up many with water front 4 vertical, adjacent spacing 6m, offshore depth 100m, exceed the earth dam 2 of the water surface 200～500mm, as water vegetation recovery vitellarium 3 very; 3～April, nearby local reed rhizome was gathered in the pool, and its aerial stem of plant keeps 300～500mm, and subterranean stem is kept perfectly and begins and germinates; Preceding by the end of April according to 6 strains/m
2Density, accomplish the plantation of the reed rhizome of gathering in water vegetation recovery vitellarium very; To by the end of May, the reed germination percentage reaches more than 90%, the reed that do not germinate is shifted out reseed; To by the end of June, the reed plant reaches more than the 1m, and the earth dam outer rim begins to be submerged; To by the end of July, the reed plant reaches about 1.5m, and earth dam is submerged fully; To by the end of August, the reed plant reaches about 1.8m; To by the end of September, the reed plant reaches about 2.0m, does not find to have the plant lodging to obtain death; To by the end of November, the reed flowering rate reaches more than 60%.So far, earth dam is firm, has obtained effective vegetative protection together with water front.
Claims (4)
1. lakeside, windward side band self-organizing ecological restoring method is characterized in that:
(1), according to the gradient situation of lakeside water front, carry out the necessary slope of cutting for Gao Kan or abrupt slope and handle, enlarge the depth of vegetation shore protection as far as possible;
(2), according to the fluctuation rule of lake reservoir level, different elevations zone selects dissimilar vegetation to recover; Can implement Qiao, filling, the dissimilar or mixed vegetation recoverys of taking of grass more than the water front maximum water level respectively; Very water vegetation recovery below the maximum water level, selection well developed root system, the emergent aquactic plant that the set ability is strong are main.
(3), time of vegetation recovery looks different the habit of plants and decides, the recovery of emergent aquactic plant is chosen in to be carried out spring;
(4), enduring water vegetation recovery, the dry season of selection front and back in spring below the maximum water level; Littoral line is built many earth dams that lead to Hu Ku at interval, as enduring water vegetation recovery vitellarium.
2. lakeside, windward side according to claim 1 band self-organizing ecological restoring method; It is characterized in that: described earth dam is built the following method that adopts; Use dredge boat between water front and storehouse, lake water body, to tunnel the formula operation; The lakebed earth of excavating is deposited in the dredge boat both sides, forms the broach shape with water front, exceed many earth dams of the water surface, the erosion of having cut down stormy waves to greatest extent.
3. lakeside, windward side according to claim 1 band self-organizing ecological restoring method, it is characterized in that: described earth dam is parallel to each other, perpendicular to water front.
4. band self-organizing ecological restoring method in lakeside, windward side according to claim 1 is characterized in that: enduring water vegetation recovery vitellarium, the mode of employing rhizome culture transferring is endured the recovery of water vegetation.
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| CN2010105052080A CN101967810B (en) | 2010-10-09 | 2010-10-09 | Self-organization ecological restoration method for windward lakeside zone |
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| CN2010105052080A CN101967810B (en) | 2010-10-09 | 2010-10-09 | Self-organization ecological restoration method for windward lakeside zone |
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| CN101967810B true CN101967810B (en) | 2012-05-09 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103526717A (en) * | 2013-10-25 | 2014-01-22 | 金陵科技学院 | Binjiang touring type wetland revegetation mode structure |
| CN103774607B (en) * | 2014-01-13 | 2016-03-23 | 云南省环境科学研究院 | A kind of Lakeside Zone Wa Tangdui island Sediment rehabilitation method |
| CN104389302B (en) * | 2014-10-30 | 2016-02-10 | 天津城建大学 | A kind of plant in treating method controlling feldspathic sandstone small watershed raceway groove sediment bypassing |
| CN104358229B (en) * | 2014-11-07 | 2016-06-22 | 天津滨海新区津大建筑规划有限责任公司 | The green ecological channel network system of soil improvement in sea reclamation sand mud substrate |
| CN104472176B (en) * | 2014-12-03 | 2016-08-17 | 华侨大学 | The construction method that mountain river riverbank vegetation ecological recovers |
| CN104532789A (en) * | 2014-12-04 | 2015-04-22 | 北京科技大学 | Construction method suitable for streamside plant structure in northern cold region |
| CN105706821B (en) * | 2016-02-03 | 2018-09-21 | 淳安县新安江开发总公司 | A kind of library bank falling zone step tree-planting method |
| CN108901723B (en) * | 2018-07-03 | 2020-12-01 | 安徽大学 | Intercropping and interplanting method for emergent aquatic plants |
| CN110028164B (en) * | 2019-04-11 | 2023-11-21 | 中国电建集团贵阳勘测设计研究院有限公司 | Lakeside zone for intercepting and purifying non-point source pollution and construction method thereof |
| CN111295963A (en) * | 2020-02-06 | 2020-06-19 | 哈尔滨学院 | Method for restoring diversity of wetland plant communities in lakes in northeast cold regions |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008022781A (en) * | 2006-07-21 | 2008-02-07 | Tankatsu:Kk | Method to construct waterfront greening using planting mat and wave preventing sheet |
| CN101498126A (en) * | 2009-02-27 | 2009-08-05 | 山东大学 | Method for protecting quasi ecological lake river bank inclined slope |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008022781A (en) * | 2006-07-21 | 2008-02-07 | Tankatsu:Kk | Method to construct waterfront greening using planting mat and wave preventing sheet |
| CN101498126A (en) * | 2009-02-27 | 2009-08-05 | 山东大学 | Method for protecting quasi ecological lake river bank inclined slope |
Non-Patent Citations (1)
| Title |
|---|
| 吴志华等.巢湖东端湖滨带物理基底及生态修复.《合肥工业大学学报（自然科学版）》.2006,第29卷(第9期),1068-1071，1076. * |
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