CN105152347A - Building and management method for submerged vegetations in water of lakes - Google Patents

Building and management method for submerged vegetations in water of lakes Download PDF

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Publication number
CN105152347A
CN105152347A CN201510628758.4A CN201510628758A CN105152347A CN 105152347 A CN105152347 A CN 105152347A CN 201510628758 A CN201510628758 A CN 201510628758A CN 105152347 A CN105152347 A CN 105152347A
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China
Prior art keywords
water
plant
submerged
management
cuttage
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CN201510628758.4A
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Chinese (zh)
Inventor
叶子军
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四川鑫淼环保科技有限责任公司
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Priority to CN201510628758.4A priority Critical patent/CN105152347A/en
Publication of CN105152347A publication Critical patent/CN105152347A/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a building and management method for submerged vegetations in water of lakes and relates to submerged vegetation planting and management of the submerged vegetations after planting. The method for planting the submerged vegetations includes the steps that the submerged vegetations adapting to local weather and geographic environments are selected, and sowing, artificial cuttage and turf throwing and laying or PVC pipe pressing and burying are adopted for planting. Reseedking and harvesting of the submerged vegetations are adopted for management of the submerged vegetations. The method is used for water ecosystem planting of any lake and riverway and has a good effect of maintaining the water quality of the lakes and riverways.

Description

The construction and management method of water body submerged vegetation in lake
Technical field
The present invention relates to technical field of water environment treatment, be specifically related to the construction and management method of water body submerged vegetation in a kind of lake.
Background technology
In current city, man-made tourist site lake gets more and more.Man-made tourist site Lake Water has and does not circulate, the feature easily polluted.Because water body does not circulate, external source is polluted to continue to enter and be can not get consuming in lake, and in lake, concentration of nitrogen and phosphorus increases gradually, water turbidity, distributes stench many meetings in summer and causes breaking out of blue-green algae.
The mode that current employing machinery changes water is more, but machinery changes water, and not only cost is high but also effect not obvious, although the process of changing water can take away a part of nitrogen phosphorus, the short period of time reduces the concentration of nitrogen and phosphorus in lake.But the time is once long vicious cycle again.Not from the basic release And Spread of Solute taking and control substrate sludge nutritive salt out of solving nutrient salt in water.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of for reducing water body nitrogen, phosphorus recycling, prevent the construction and management method of water body submerged vegetation in the lake of eutrophication.
Consider the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention by the following technical solutions:
A construction and management method for water body submerged vegetation in lake, it comprises:
The plantation of submerged plant: select the kind adapting to local environment, and adopt high plant and short plant mixed planting, and ensure the daylighting requirement of short plant; Before kind of planting submerged plant, pre-treatment is carried out to plant;
The management of submerged plant: after submerged plant planting, to reseed it according to the growing state of submerged plant or gathers in.
In order to realize the present invention better, further technical scheme is:
According to one embodiment of the invention, the plantation of described submerged plant, selects native species.
According to another embodiment of the invention, the plantation of described submerged plant, adopts high plant and short plant mixed planting to a region, its this region height plant: the quantitative proportion of short plant is 1:3.
According to another embodiment of the invention, it also comprises the adjustment to submerged plant kind, at least ensures 1 Dominant variety 3-5 time Dominant variety, and the staggered growth of each kind, makes it not have obvious range limit.
According to another embodiment of the invention, the plantation of described submerged plant comprises cuttage, sowing, throwing turf are mated formation.
According to another embodiment of the invention, described cuttage comprises shallow water cuttage and deep water cuttage; When the depth of water is less than or equal to 0.7 meter, adopt shallow water cuttage, by manually descending water to carry out, the cuttage degree of depth is at 5 ~ 10cm; Adopt deep water cuttage when the depth of water is greater than 0.7 meter, select boats and ships, bamboo pole to carry out cuttage, or use the pvc pipe pressure technology of burying to carry out cuttage.
According to another embodiment of the invention, be subject to the not high part of submerged plant survival rate, plant the part that the comparatively serious or submerged plant growth area coverage of disease does not reach 70% of local, its method of reseeding adopts and uses boats and ships to carry out bamboo pole cuttage or the pvc pipe pressure technology of burying is planted.
According to another embodiment of the invention, the harvesting of described submerged plant, for submerged plant growth area covering more than 90% or grow the water surface and affect submerged plant attractive in appearance, higher plant is adopted to the mode of cutting seedling, the region larger to density can adopt the mode directly lifted seedlings, and mows and adopts the mode of drawing in the net to remove the weeds of the water surface afterwards.
According to another embodiment of the invention, the management of described submerged plant, harmful individual by manual capture, remove ovum, and put black carp, duckling in a suitable place to breed for controlling the quantity of radish spiral shell, pretty young woman's class young and Fushou spiral shell; In every 10 mu of ecological system degradation later stage, grass carp controls at 1 tail once.
The present invention can also be:
According to another embodiment of the invention, described pre-treatment comprises the following steps:
1. clean, arrange, remove impurity and residual, sick, hinder, lack plant;
2. with ovicide, disinfectant, harmful organism is killed.
Compared with prior art, one of beneficial effect of the present invention is:
The construction and management method of water body submerged vegetation in a kind of lake of the present invention, adopts the mode of ecologic planting submerged plant, and when utilizing submerged plant growth, root system cauline leaf absorbs the nutritive salt in water body; In addition, waterplant only accounts for the absorption of nitrogen, phosphorus the small part that it cuts down nutritive salt amount, waterplant grows built environment in water body, as stable bed mud, suppress the release of substrate sludge nitrogen, phosphorus, intercept Fish behavior to the stirring of bed mud, increase beneficial microorganism and settled organism etc., can greatly reduce water body nitrogen, phosphorus recycling, prevent eutrophication.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
A construction and management method for water body submerged vegetation in lake, comprises submerged plant planting and submerged plant final-period management.The plantation of described submerged plant refers to that select to adapt to local climate with submerged vegetation that is geographical environment, adopts artificial cuttage, sowing, throwing turf is mated formation or pvc pipe pressure is buried mode to plant.The management of described submerged plant adopts the reseeding of submerged plant, cuts and take in line pipe reason.Present method is applicable to the Ecology plantation in any lake and river course, and tool safeguards the effect of lake, river water quality.Particularly:
Kinds of planting for submerged plant usually select eel grass, watermifoil, hydrilla verticillata, p.malaianus, Potamogeton maackianu, comb tooth Herba potamogetonis distincti, according to happy algae etc.Select according to local climate geographical conditions, rationally to arrange in pairs or groups during plantation.The principle of collocation ensures all have the kind that can grow in lake throughout the year.
Conventional submerged plant kind restoration of the ecosystem characteristic
Described submerged plant, should note selecting seedling early growth uniform, without a large amount of rotten branches rotten leaf when it is chosen.
The pre-treatment of described water plant, its pre-treatment step: 1. clean, arrange, remove impurity and residual, sick, hinder, lack plant; 2. use ovicide (killing fish-egg, spiral shell ovum etc.), disinfectant (bacterial pathogen that goes out, mould, disease and pest) kills harmful organism.Pretreated object: clear up the rotten leaf of rotten branch, removes worm's ovum, avoids the species bringing the harm ecosystem into, affects water quality.The rotten leaf of rotten branch too much will consume the dissolved oxygen in water, brings soil ulmin into.
The method of the plantation of submerged plant comprises shallow water cuttage and deep water cuttage, and its shallow water cuttage adopts artificial cuttage, and the requirement of cuttage is depth of penetration is 5 ~ 10cm.Artificial cuttage can be divided into: shallow water (cuttage), deep water (cuttage), pvc pipe landfill.
Shallow water cuttage is aimed at the waters of depth of water H<0.7m, and its concrete operations are: enter in lakebed soil by pretreated submerged plant seedling cuttage, depth of penetration is 5 ~ 10cm.
Deep water cuttage is the waters for depth of water H>0.7m, and its operation needs boats and ships and bamboo pole to assist, and its concrete operation method is that the bamboo pole top of the long 1 ~ 1.5m of a joint is scraped out U-shaped breach; Getting the fresh body seedling of submerged plant is embedded in breach; Again bamboo pole breach is inserted lakebed about 10cm downwards to extract.
PVC pressure buries technology, its operation steps: be clipped in the low side of pvc pipe by with the submerged vegetation handled well, then pvc pipe is inserted lakebed about 10cm downwards, manually get in the funnel on the appropriate earth top of falling pvc pipe again and go downstream, slowly detach pvc pipe.
The illumination of certain condition needed for submerged plant growth, then should note the reasonably combined of high plant and short plant when designing planting number and region, ensures that each plant has sufficient light compensation condition.High plant: short plant is generally 1:3, for ensureing to survive and should plant for the first time in 1.5 of a transparency times degree of depth.
The management of submerged plant, refers to that manage it, it mainly adopts and cut receipts, reseeds at submerged plant growth to certain stage.Its advantage: submerged plant is by the management in later stage, its density of reasonable adjusting, allow each individuality have enough light compensation conditions, night plant carry out respiration also can not because of density excessive generation plant body blade face salt-pepper noise, submerged plant is too in great numbers is also the omen of lakes and swamps.
Reseeding of described submerged plant, the method is for submerged plant variety renovation, the patch growing blank or the region of area coverage not as good as 70%, and its mode of reseeding adopts deep water cuttage and pvc pipe pressure to bury mode.
Described submerged plant cut receipts, be for the excessive submerged plant of plantation stand density (area coverage reach more than 90%, the too high region occupying all Water spaces of plant) or grow the water surface and affect lake body submerged plant attractive in appearance.Working method: 1. seedling thinning is carried out to density larger part; 2. gather in the good submerged vegetation of growing way by reaping hook formula of having one's hair cut, the harvesting degree of depth is 50% of underwater 50-80cm or plant height; 3. clear up with the assorted leaf drawn in the net because staying in operating process.
The receipts of cutting of submerged plant not only make its lake more attractive in appearance, and regularly the cauline leaf of submerged plant are cut to the nutritive salt received and can also indirectly carry out in lake.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, identical similar portion cross-reference between each embodiment.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of and claim open in the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.

Claims (10)

1. the construction and management method of water body submerged vegetation in lake, is characterized in that it comprises:
The plantation of submerged plant: select the kind adapting to local environment, and adopt high plant and short plant mixed planting, and ensure the daylighting requirement of short plant; Before kind of planting submerged plant, pre-treatment is carried out to plant;
The management of submerged plant: after submerged plant planting, to reseed it according to the growing state of submerged plant or gathers in.
2. the construction and management method of water body submerged vegetation in lake according to claim 1, is characterized in that the plantation of described submerged plant, selects native species.
3. the construction and management method of water body submerged vegetation in lake according to claim 1, is characterized in that the plantation of described submerged plant, adopts high plant and short plant mixed planting to a region, its this region height plant: the quantitative proportion of short plant is 1:3.
4. the construction and management method of water body submerged vegetation in lake according to claim 1, it is characterized in that it also comprises the adjustment to submerged plant kind, at least ensure 1 Dominant variety 3-5 time Dominant variety, the staggered growth of each kind, makes it not have obvious range limit.
5. the construction and management method of water body submerged vegetation in lake according to claim 1, is characterized in that the plantation of described submerged plant comprises cuttage, sowing, throwing turf are mated formation.
6. the construction and management method of water body submerged vegetation in lake according to claim 3, is characterized in that described cuttage comprises shallow water cuttage and deep water cuttage; When the depth of water is less than or equal to 0.7 meter, adopt shallow water cuttage, by manually descending water to carry out, the cuttage degree of depth is at 5 ~ 10cm; Adopt deep water cuttage when the depth of water is greater than 0.7 meter, select boats and ships, bamboo pole to carry out cuttage, or use the pvc pipe pressure technology of burying to carry out cuttage.
7. the construction and management method of water body submerged vegetation in lake according to claim 1, it is characterized in that being subject to the not high part of submerged plant survival rate, plant the part that the comparatively serious or submerged plant growth area coverage of disease does not reach 70% of local, its method of reseeding adopts and uses boats and ships to carry out bamboo pole cuttage or the pvc pipe pressure technology of burying is planted.
8. the construction and management method of water body submerged vegetation in lake according to claim 1, it is characterized in that the harvesting of described submerged plant, for submerged plant growth area covering more than 90% or plant is higher occupies whole Water space, or laterally crawl to have a strong impact in the water surface submerged plant of water surface view, higher plant is adopted to the mode of cutting seedling, the region larger to density can adopt the mode directly lifted seedlings, and mows and adopts the mode of drawing in the net to remove the weeds of the water surface afterwards.
9. the construction and management method of water body submerged vegetation in lake according to claim 1, it is characterized in that the management of described submerged plant, harmful individual by manual capture, remove ovum, and put black carp, duckling in a suitable place to breed for controlling the quantity of radish spiral shell, pretty young woman's class young and Fushou spiral shell; In every 10 mu of ecological system degradation later stage, grass carp controls at 1 tail once.
10. the construction and management method of water body submerged vegetation in lake according to claim 1, is characterized in that described pre-treatment comprises:
Cleaning, arrange, removing impurity with residual, sick, hinder, scarce plant;
With ovicide, disinfectant, harmful organism is killed.
CN201510628758.4A 2015-09-28 2015-09-28 Building and management method for submerged vegetations in water of lakes CN105152347A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105776557A (en) * 2016-04-25 2016-07-20 江苏江达生态科技有限公司 Reconstruction method of submerged plant communities in shallow lakes
CN106045053A (en) * 2016-07-04 2016-10-26 无锡市太湖湖泊治理有限责任公司 Method for water purification and submerged vegetation restoration of water level controllable eutrophic water
CN106587365A (en) * 2017-01-12 2017-04-26 恒大园林集团有限公司 Construction maintenance method for water body treatment and artificial lake
CN106587364A (en) * 2017-01-12 2017-04-26 恒大园林集团有限公司 Water body treatment construction and maintenance method and artificial lake
CN106698669A (en) * 2017-01-12 2017-05-24 恒大园林集团有限公司 Water treatment construction and maintenance method and artificial lake
CN106745779A (en) * 2017-01-12 2017-05-31 恒大园林集团有限公司 A kind of water body processes construction and maintenance method and man-made lake
CN106954440A (en) * 2017-02-07 2017-07-18 江苏江达生态环境科技有限公司 A kind of method of shallow lake ecological recovery submerged vegetation
CN108640287A (en) * 2018-06-07 2018-10-12 中国科学院南京地理与湖泊研究所 A kind of lake ecosystem bio operon method for promoting Submerged plant communities to stablize
CN108911147A (en) * 2017-04-22 2018-11-30 绍兴良辰园林建设有限公司 A kind of restoration methods of river water plant

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5106504A (en) * 1991-02-12 1992-04-21 Murray David P Artificial open water structures
US20020023876A1 (en) * 2000-08-23 2002-02-28 Debusk Thomas A. Algal and nutrient control system and method for a body of water
CN102432107A (en) * 2011-08-19 2012-05-02 上海水平衡环境科技发展有限公司 Biological integrated purification process for governing black and odorous river channels
CN103141370A (en) * 2013-03-20 2013-06-12 中国科学院华南植物园 Method for restoring river submerged plant
CN103382056A (en) * 2013-07-11 2013-11-06 江苏江达生态科技有限公司 Submerged plant community rapid establishment device
CN103951067A (en) * 2014-04-23 2014-07-30 广东中大环保科技投资有限公司 System and method for treating rural sewage by using ecological system based on multi-submerged plant combinations
CN104150604A (en) * 2014-08-30 2014-11-19 湖南青水生态环境工程有限公司 Method for jointly building subaqueous landscape ecosystem by using submerged plants mainly comprising tape grass and photosynthetic bacteria
CN104310590A (en) * 2014-10-22 2015-01-28 中国科学院南京地理与湖泊研究所 Method for constructing lake submerged plant communities

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5106504A (en) * 1991-02-12 1992-04-21 Murray David P Artificial open water structures
US20020023876A1 (en) * 2000-08-23 2002-02-28 Debusk Thomas A. Algal and nutrient control system and method for a body of water
CN102432107A (en) * 2011-08-19 2012-05-02 上海水平衡环境科技发展有限公司 Biological integrated purification process for governing black and odorous river channels
CN103141370A (en) * 2013-03-20 2013-06-12 中国科学院华南植物园 Method for restoring river submerged plant
CN103382056A (en) * 2013-07-11 2013-11-06 江苏江达生态科技有限公司 Submerged plant community rapid establishment device
CN103951067A (en) * 2014-04-23 2014-07-30 广东中大环保科技投资有限公司 System and method for treating rural sewage by using ecological system based on multi-submerged plant combinations
CN104150604A (en) * 2014-08-30 2014-11-19 湖南青水生态环境工程有限公司 Method for jointly building subaqueous landscape ecosystem by using submerged plants mainly comprising tape grass and photosynthetic bacteria
CN104310590A (en) * 2014-10-22 2015-01-28 中国科学院南京地理与湖泊研究所 Method for constructing lake submerged plant communities

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105776557A (en) * 2016-04-25 2016-07-20 江苏江达生态科技有限公司 Reconstruction method of submerged plant communities in shallow lakes
CN105776557B (en) * 2016-04-25 2019-06-04 江苏江达生态科技有限公司 A kind of nutrition enriched shallow lake Submerged plant communities method for reconstructing
CN106045053A (en) * 2016-07-04 2016-10-26 无锡市太湖湖泊治理有限责任公司 Method for water purification and submerged vegetation restoration of water level controllable eutrophic water
CN106045053B (en) * 2016-07-04 2019-04-09 无锡市太湖湖泊治理股份有限公司 The method that a kind of purification of water quality of the controllable eutrophication water of water level and submerged vegetation restore
CN106745779B (en) * 2017-01-12 2019-12-31 恒大园林集团有限公司 Water body treatment construction maintenance method and artificial lake
CN106745779A (en) * 2017-01-12 2017-05-31 恒大园林集团有限公司 A kind of water body processes construction and maintenance method and man-made lake
CN106587365B (en) * 2017-01-12 2020-02-07 恒大园林集团有限公司 Water body treatment construction maintenance method and artificial lake
CN106698669B (en) * 2017-01-12 2020-04-14 恒大园林集团有限公司 Artificial lake water body treatment construction maintenance method in northeast alpine region
CN106698669A (en) * 2017-01-12 2017-05-24 恒大园林集团有限公司 Water treatment construction and maintenance method and artificial lake
CN106587364A (en) * 2017-01-12 2017-04-26 恒大园林集团有限公司 Water body treatment construction and maintenance method and artificial lake
CN106587365A (en) * 2017-01-12 2017-04-26 恒大园林集团有限公司 Construction maintenance method for water body treatment and artificial lake
CN106587364B (en) * 2017-01-12 2019-10-11 恒大园林集团有限公司 A kind of water body processing construction and maintenance method and man-made lake
CN106954440A (en) * 2017-02-07 2017-07-18 江苏江达生态环境科技有限公司 A kind of method of shallow lake ecological recovery submerged vegetation
CN108911147A (en) * 2017-04-22 2018-11-30 绍兴良辰园林建设有限公司 A kind of restoration methods of river water plant
CN108640287A (en) * 2018-06-07 2018-10-12 中国科学院南京地理与湖泊研究所 A kind of lake ecosystem bio operon method for promoting Submerged plant communities to stablize
CN108640287B (en) * 2018-06-07 2020-10-30 中国科学院南京地理与湖泊研究所 Biological control method for lake ecosystem for promoting stability of submerged plant community

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