CN102070248B - Configuration method of river bank forest belt beneficial to river ecological landscape protection and prayer flag suspension - Google Patents

Configuration method of river bank forest belt beneficial to river ecological landscape protection and prayer flag suspension Download PDF

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Publication number
CN102070248B
CN102070248B CN201010561108XA CN201010561108A CN102070248B CN 102070248 B CN102070248 B CN 102070248B CN 201010561108X A CN201010561108X A CN 201010561108XA CN 201010561108 A CN201010561108 A CN 201010561108A CN 102070248 B CN102070248 B CN 102070248B
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river
district
trees
adjacent
tree
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CN102070248A (en
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陈涛
杨海军
张琳
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Northeast Normal University
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Northeast Normal University
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/40Protecting water resources
    • Y02A20/402River restoration
    • 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 relates to a configuration method of a river bank forest belt beneficial to river ecological landscape protection and prayer flag suspension, belonging to the field of a river regulation project. A region A is arranged within the 6-7 meters range far away from the river bank of a minor bed on a flood bed, reeds are planted inside the region A, and arbors are transplanted on the flood bed outside the reed region; a community facility area B is set; nursery-grown plants with breast diameters of 3.0-5.0cm are selected to be transplanted in a region C; and low herbs are planted below the arbors. The configured method has the beneficial effects that both Tibetan culture and river ecosystem protection are considered; a ecology theory and Tibetan culture inheritance requirements are brought into the design of the river ecological engineering while preventing the river bank from being corroded: a river bank forest belt based on the river ecological protection is designed firstly, and the prayer flags suspension is considered so as to meet the requirement of the Tibetan cultural inheritance; the river bank forest belt region is also in favor of the prayer flags suspension, and simultaneously, an arbor-shrub-herb river ecological system structure integrating culture inheritance, ecology shore protection and landscape enjoyment is created; and the long standing of Tibetan culture is ensured while promoting the forward succession of the river bank ecological system.

Description

Forest belt, the riverbank collocation method that is beneficial to the river ecological landscape reservation and hangs through long narrow flag
Technical field
The invention belongs to river improvement engineering field.
Background technology
(1) problem of river improvement engineering existence at present
Tibet is China slower area of development, and three stages of the development identical with other countries and regions have been experienced in the Tibet hydro project: the natural method stage of 1. controlling bank erosion with starting materials; 2. prevent and treat the mechanical means stage of flood with Steel Concrete; 3. beautify the imitative nature stage on concrete riverbank with trees.But there is the singularity of oneself Tibet region, that is: the whole people believe in Tibetan Buddhist.Therefore when river improvement, not only its engineering safety and ecological property be to consider, Tibetan language element and view and the hydrophilic factor also need be considered.
The Tibet hydro project of having built is at present helped build by other rich provinces of China, still adopts the administration way that wraps up the river course with the river linearize with Steel Concrete.This administration way has not only intercepted connecting each other between the ecosystem component, simultaneously the mankind is difficult near the river, does not fully recognize the difference of two nationalitys of the Chinese to river understanding, that is: the relation of river and Tibetan languageization of hiding.Consequently not only river ecosystem is impaired, also make simultaneously people from Tibetan be difficult near the river and do not have the forest belt, riverbank can be extension through long narrow flag, lose and express religious carrier.
(2) domestic and international progress
The river improvement of Tibetan area starts from Lhasa River.633 years SontzenGampos move the capital to another place behind the Lhasa, for city, planning construction Lhasa better, guide the Lhasa river into southern side, and with the raising of former river course, this is the earliest an infrastructure construction on the Lhasa city-building history, also is Tibetan area river improvement the earliest.
Three generations Dalai Suo Nanjia in 1562 arranges and during annual Prayer meeting festival, organizes Buddhist monks to carry building stones to build the Lhasa river levee, and protection is established in Potala Palace and Qoikang Monastery of 645 years and 647 years.The history records record, deluge once made the Lhasa become a vast expanse of water, and Qoikang Monastery Qian Shui can navigate.The record of administering Lhasa River protection city, Lhasa is all arranged various years thereafter, but all fundamentally do not solve the problem of Lhasa River flood.Since May 23 nineteen fifty-one, Party and government pay much attention to the Lhasa River training works, first Lhasa River are renovated comprehensively in 1964, rely on manpower and animal power to remove stone muck haulage and build floodwall in the shed repair of Lhasa River city.Start from the beginning of new century and really administer Lhasa River on a large scale.The section floodwall construction of going into full operation in city, Lhasa during " 15 (2001-2005) "; Mainly solve the flood control safety problem; The engineering design standard was met by original less than and is brought up to 100 years one chances in 20 years one; Fundamentally solved the flood threat, Potala Palace and the world, Qoikang Monastery material and culture legacy have obtained effective protection.During " 11th Five-Year (2006-2010) ", on the basis that solves the flood control problem, further development & construction Lhasa River two sides view and hydrophilic leisure facilities.The purpose that above-mentioned Lhasa River is administered mainly is to stress flood control function, protection city, Lhasa and Tibetan language landmark building Potala Palace and Qoikang Monastery.
The protection of the 5th Forum on Work in Tibet lay special stress on Tibet material of the central authorities that hold in January, 2010 and non-material cultural heritage; Plan Tibet with setting up the important protection become the Chinese national characteristic culture, confirmed the development strategic objective during the Tibet " 12 (2011-2015) ".Through nearly 60 years development course, the Tibet river improvement has got into a brand-new era.The water conservancy that development is rich in the Tibetan language characteristic is the new strategy of China.And aspect river improvement, at present about not appearing in the newspapers as yet based on the achievement in research of Tibetan language protection and river ecological recovery technique.Present achievement all is a Tibetan languageization and the research and not intersecting separately separately of river ecological reparation.
Based on above-mentioned analysis; River ecological recovery technique and the demonstration research carried out based on the Tibetan language protection are the strategic required of country's " 12 (2011-2015) " Tibetan area development perspectively; Can carry out and implement protection Tibet material and the non-material cultural heritage and the important protection ground of setting up the Chinese national characteristic culture of the 5th Forum on Work in Tibet of central authorities; Make Tibet become the meeting spirit of the important national security and the ecological protective screen, for the river improvement of Tibetan area provide can reference technological paradigm.
(3) this patent technical barrier that need solve
From the above, the problem that present river improvement engineering exists be the river course by concretize, the 26S Proteasome Structure and Function of river ecosystem is degenerated.Cut down in forest belt, original riverbank, and do not have the forest belt, riverbank can be extension through long narrow flag, lose and express religious carrier.Through long narrow flag special status is arranged in Tibet.In the view of believing in the people of Tibetan of Tibetan Buddhist, wave with the wind through long narrow flag, whenever wave, recite scripture exactly once, be ceaselessly to gods transmitter's hope, earnestly hope gods' blessing.And the compatriot of Tibetan, is difficult to realize if do not have trees as media vehicles to the worship in river.Present Tibet river improvement engineering causes the compatriot of Tibetan to locate being hung on end of the bridge, gabion and deadwood etc. through long narrow flag system; Through long narrow flag close proximity to ground, the water surface; Lost letting it flow property, promptly lost and express religious carrier, the faith demand is difficult to obtain satisfy fully.
When design is recovered in forest belt, general geographic riverbank, only consider ecological factor and landscape factors, in the minority area, the very tangible Tibet region of national characteristics especially, considered adds national culture succession key element.Therefore, the configuration in the forest belt, recovery riverbank of Tibet region design is compared with domestic other area, should increase this design element of Tibetan language succession property.
According to the problem that exists in above analysis and the river improvement engineering, in conjunction with the characteristics of Tibet region, this patent provides a kind of can protect river ecological, can be beneficial to forest belt, the riverbank collocation method through the long narrow flag suspension again.
Summary of the invention
This patent provides a kind of forest belt, riverbank collocation method that is beneficial to the river ecological landscape reservation and hangs through long narrow flag; Intercept the ecosystem to solve in the Tibet river improvement engineering; Be unfavorable for again hanging through long narrow flag; Can only it be lain in end of the bridge, gabion, be unfavorable for letting it flow, be difficult to fully satisfy the problem that Tibetan look up to demand.
The technical scheme that the present invention adopts is to comprise the following steps:
(1) on high water river bed, be made as the A district in 6 ~ 7 meters apart from the riverbank of minor bed, in this zone:
(1) plant near the nearly water side on riverbank reed or calamus, 0 m of width 3. 0 m that plant ~ 4.;
(2) on the high water river bed in the outside in reed or calamus district, choose the diameter of a cross-section of a tree trunk 1.3 meters above the ground and transplant the arbor of 6.0cm-8.0cm, nearly water side one row transplants willow, and far water side one row transplants willow;
(3) the space allocation plan of trees adopts isosceles right triangle, promptly is positioned on two miter angles with two adjacent trees of delegation, and an adjacent row's the nearest trees of distance two tree lines are positioned on an angle of 90 degrees;
(4) the tree spacing of adjacent two trees is 6.0m, and the line space of adjacent two row trees is 3.0m;
(5) arbor is planted short draft down, adopts potentilla anseriana, lattice mulberry or annual bluegrass;
(2) on high water river bed, establish the communal facility district in 3.5 meters in the outside in A district, be called for short the B district, in this zone:
The wide pavement of 1.5m is established in the centre, is used for laying bench, refuse container and display card communal facility in the zone of pavement both sides 1.0m;
(3) on the high water river bed, be made as the C district between the communal facility district outside and the dyke, in this zone:
(1) plant shrub or low pygmy tree one row of the nearly water side in adjacent B district adopts torch tree, and its outside high megaphanerophyte of planting is adopted willow, willow or English walnut, makes it be covered with the C district; Choose the nursery stock of the diameter of a cross-section of a tree trunk 1.3 meters above the ground 3.0-5.0cm and transplant,
(2) the space allocation plan of trees is selected equilateral triangle for use, promptly is positioned on two 60 degree angles with two adjacent trees of delegation, and an adjacent row's the nearest trees of distance two tree lines are positioned on the 3rd 60 degree angle;
(3) the tree spacing of adjacent two trees is 3.0m, and the line space of adjacent two row trees is 2.6m,
(4) arbor is planted short draft down, adopts potentilla anseriana, lattice mulberry or annual bluegrass.
The invention has the beneficial effects as follows: in the river ecological engineering design, take into account Tibetan languageization and river ecosystem protection, when preventing bank erosion, included the demand of Tibetan language succession in.When design is based on river ecological protection forest belt, riverbank, consider the faith demand that hangs, satisfies Tibetan through long narrow flag.The present invention can satisfy the requirement that Tibet is created as the important protection of Chinese national characteristic culture ground of planning that proposes in the 5th Forum on Work in Tibet of central authorities.The forest belt, riverbank through the long narrow flag suspension is convenient in laying; In order to succession Tibetan languageization; Create Qiao-filling-careless river ecosystem structure that integrates cultural continuity, ecological revetment and view and view and admire simultaneously,, guaranteed that also Tibetan languageization is of long standing and well established promoting riparian ecosystem in the forward succession.
Description of drawings
Fig. 1 is forest belt, a riverbank of the present invention configure partition sectional view;
Fig. 2 is forest belt, a riverbank of the present invention configure partition plat;
Fig. 3 is trees plantation space, an A of the present invention district layout diagram;
Fig. 4 is A of the present invention district trees spacing, line-spacing synoptic diagram;
Fig. 5 is a B of the present invention district gallery configuration schematic diagram;
Fig. 6 is trees plantation space, a C of the present invention district layout diagram;
Fig. 7 is C of the present invention district trees spacing, line-spacing synoptic diagram.
Embodiment
The technical scheme that the present invention takes is:
(1) on high water river bed, be made as the A district in 6 ~ 7 meters apart from the riverbank of minor bed, in this zone:
(1) plant near the nearly water side on riverbank reed or calamus, 0 m of width 3. 0 m that plant ~ 4.;
(2) on the high water river bed in the outside in reed or calamus district, choose the diameter of a cross-section of a tree trunk 1.3 meters above the ground and transplant the arbor of 6.0cm-8.0cm, nearly water side one row transplants willow, and far water side one row transplants willow;
(3) the space allocation plan of trees adopts isosceles right triangle, promptly is positioned on two miter angles with two adjacent trees of delegation, and an adjacent row's the nearest trees of distance two tree lines are positioned on an angle of 90 degrees;
(4) the tree spacing of adjacent two trees is 6.0m, and the line space of adjacent two row trees is 3.0m;
(5) arbor is planted short draft down, adopts potentilla anseriana, lattice mulberry or annual bluegrass;
(2) on high water river bed, establish the communal facility district in 3.5 meters in the outside in A district, be called for short the B district, in this zone:
The wide pavement of 1.5m is established in the centre, is used for laying bench, refuse container and display card communal facility in the zone of pavement both sides 1.0m;
(3) on the high water river bed, be made as the C district between the communal facility district outside and the dyke, in this zone:
(1) plant shrub or low pygmy tree one row of the nearly water side in adjacent B district adopts torch tree, and its outside high megaphanerophyte of planting is adopted willow, willow or English walnut, makes it be covered with the C district; Choose the nursery stock of the diameter of a cross-section of a tree trunk 1.3 meters above the ground 3.0-5.0cm and transplant,
(2) the space allocation plan of trees is selected equilateral triangle for use, promptly is positioned on two 60 degree angles with two adjacent trees of delegation, and an adjacent row's the nearest trees of distance two tree lines are positioned on the 3rd 60 degree angle;
(3) the tree spacing of adjacent two trees is 3.0m, and the line space of adjacent two row trees is 2.6m,
(4) arbor is planted short draft down, adopts potentilla anseriana, lattice mulberry or annual bluegrass.
Principle, the accompanying drawing chosen below in conjunction with allocation plan, seeds specify the present invention
, allocation plan:
1.1 function division and location
(1) A district: be beneficial to through long narrow flag suspension forest belt district.Purpose: mainly be that succession for Tibetan languageization provides carrier, take into account the defencive function of river ecological and view simultaneously.Consider that based on religion culture and national belief in line with being Tibetan language succession service, the forest belt, riverbank through the long narrow flag suspension is convenient in design.Suspension is the tradition that Tibetan forms over the past thousands of years, and will hangs on the waterside through long narrow flag through long narrow flag, is that Tibetan express refreshing the revering of water, simultaneously to the refreshing transmitter's of water hope, earnestly hopes the refreshing blessing of water.
(2) B district: A and C's is communicated with the gallery district.Purpose: the distinguishing limit of nearly water riparian forest and far water riparian forest is the necessary key element of river communal facility, closely savours Tibetan languageization for the ease of Tibetan's suspension through long narrow flag, visitor; Seat, refuse container and display card have also been designed in this zone, make things convenient for Tibetan, visitor when having a rest, to view and admire the river, and more simultaneously understanding Tibetan languageization and nature knowledge are formed a kind of attainment of protecting environment.
(3) C district: ecological protection forest belt district.Purpose: the naturality of restoring river, the natural river that satisfies people from Tibetan is gods' a spiritual need.This district considers based on Ecology Action; Ecological View and landscape effect in conjunction with Tibetan; Adopt Qiao-filling-careless structure of plant community, make up landscape ecological protection forest belt, riverbank, this district can filter rainwash, protection water quality, regulates miniclimate, stablizes bank slope, beautify valley flat.
The unified integral body of the common formation of A district, B district and C district three; Formation integrates the river ecological gallery of flood control, ecology, hydrophilic, view and cultural continuity; See Fig. 1, Fig. 2; Create safe and comfortable riverbank leisure environment, for Tibetan, visitor provide a rest area that integrates culture-view-ecology-amusement.
1.2 A district allocation plan
The A district is mainly through the long narrow flag suspension and designs, and suspension takes into account ecology and landscape reservation simultaneously through long narrow flag so allocation plan is main.
(1) the local area trees will be born the weight of the long narrow flag of hanging oneself, and just can hang through long narrow flag in order to satisfy planting then, transplant the seeds of 6.0-8.0cm so choose the diameter of a cross-section of a tree trunk 1.3 meters above the ground, take into account view property, select willow and willow for use.
(2) the space allocation plan of trees is selected isosceles right triangle for use; See Fig. 3; Promptly be positioned on two 45s with two adjacent trees of delegation; An adjacent row's the nearest trees of distance two tree lines are positioned on 90 ° of angles, and this scheme is more attractive in appearance after the long narrow flag suspension, is guaranteeing also to have practiced thrift the space when trees are unfolded situation simultaneously.
(3) the tree spacing of adjacent two trees is 6.0m, and the line space in adjacent two row forest belts is 3.0m, sees Fig. 4, to reach the optimum distance through the long narrow flag suspension, avoids distance excessive, causes through long narrow flag to land, and distance is too small, and atmosphere draught-free can not let it flow through long narrow flag.
(4) be purpose with suspension through long narrow flag, will adjacent as much as possible minor bed through long narrow flag, play the purpose that Tibetan express faith, take into account ecological property and view property simultaneously, plant two capable trees so choose.
(5) aspect the plant structure configuration, the main employing: hygrophyte+arbor+draft.The suggestion hygrophyte is selected reed, calamus for use, is planted in nearly water side, to reach the purpose of stable banks, formation water route transitional zone; The outside arbor of directly planting is convenient to through long narrow flag nearly pool suspension, and two row trees are chosen different seeds, when building landscape effect, reach the purpose of prevention disease and pest, and based on this, nearly water side one row selects willow for use, and far water side one row selects willow for use; Arbor is the short draft of plantation down, in order to prevent the rain drop erosion face of land, adopts potentilla anseriana, annual bluegrass.
(6) in order to guarantee the trees healthy growth, prevent because of the excess moisture lack of air, cause the trees ' root anoxic to be rotted, so the tall wood of nearly water side one row is 3.0 ~ 4.0 meters apart from the minor bed shortest distance.
1.3 B district allocation plan
The distribution road that the B district designs for making things convenient for Tibetan, visitor.
This district's design is interval in A district and C; Lay the wide pavement of 1.5m, pavement apart from border, A district, the distance on border, C district is 1.0m, sees Fig. 5; This distance is used for laying communal facilitys such as seat, refuse container and display card; Some flowers can be planted in this vacant lot, district, like lattice mulberry, mother chrysanthemum etc., increase landscape effect.
1.4 C district allocation plan
The C district designs for the ecology and the view of restoring river, has wherein forgiven Tibetan's Ecological View, and allocation plan is optimized for main purpose with dyke strengthening shore protection, view.
(1) these district trees play the stable banks, choose the nursery stock of the diameter of a cross-section of a tree trunk 1.3 meters above the ground 3.0-5.0cm, and the nursery stock flexibility of this diameter of a cross-section of a tree trunk 1.3 meters above the ground scope is stronger; Price is more cheap; Willow, willow, English walnut are selected in suggestion for use, and the transplanting initial stage does not form the closing environment, and herbage grows fast; Can replace arbor temporarily, play the effect of stable banks.
(2) the space allocation plan of trees is selected equilateral triangle for use; See Fig. 6; Promptly be positioned on two 60 ° of angles with two adjacent trees of delegation, an adjacent row's the nearest trees of distance two tree lines are positioned on the 3rd 60 ° of angles, and this space allocation plan is the scheme that protection forest is often chosen; The best effect of dyke strengthening shore protection can not only be reached, optimum space utilization situation can also be reached.
(3) the tree spacing of adjacent two trees is 3.0m, and the line space in adjacent two row forest belts is 2.6m, sees Fig. 7, to reach the purpose that shore protection fixes the sand, avoids causing soil erosion because of dredging excessively, overstockedly causes ventilation not smooth, between kind, intraspecific competition is fierce.
(4) aspect the plant structure configuration, the main employing: shrub/dungarunga+arbor+draft.Nearly water side is adjacent B district, and plant shrub or low pygmy tree are selected torch tree for use, to reach the ecoscape effect that purifies air and beautify the environment; Its outside high megaphanerophyte of planting, suggestion are selected willow, willow, English walnut, the outermost row willow of planting for use, make it be covered with the C district; Arbor is the short draft of plantation down, filters rainwash, prevents erosion, and selects potentilla anseriana, annual bluegrass for use.
, the principle chosen of plant
The A district hangs the demand through long narrow flag in order to satisfy Tibetan, so at first consider the easy extension property through long narrow flag, the seeds of choosing considered racemosus wooden fork of seeds, the position of branch is moderate, prevents to land through long narrow flag because of branch is low excessively, and branch is too high, and Tibetan are not easy to suspension.When guaranteeing to be prone to extension property, also to consider the easy activity and its landscape effect that is constituted of trees.
The B district mainly is in order to satisfy Tibetan, visitor demand easily, can to choose the strong flowers of some vitality, to reach landscape effect.
The C district mainly is in order to satisfy the ecological demand in river, considers at first that choosing of seeds it fixes the sand ability, and next considers cost, view and humanistic nature.
The functional requirement in comprehensive A district and C district reduces following 6 points with the seeds selection principle at present:
(1) ecological property: choosing of seeds should be indigenous tree, is fit to the growth of forest belt, riverbank, and happiness is wet cold-resistant, and flexibility is strong, is prone to survival, can check winds and fix drifting sand, and purifies water, and miniclimate is regulated in water conservation.
(2) view property: based on the consideration of view property, the trees kind of choosing should be various, and color is different, selectable trees: spring and summer is bloomed and is presented multiple color autumn.
(3) humanistic nature: seeds choose the characteristics that will embody the Tibetan area and the Tibetan area people, certain spiritual connotation is arranged.
(4) security: single seeds cause large-scale disease and pest easily, and for preventing the generation of disease and pest, choosing of seeds should variation.
(5) be prone to extension property: the suspension through long narrow flag should be taken into account weight, length through long narrow flag, therefore choosing of seeds should choose the racemosus wooden fork and the branch height moderate, limb can be born the seeds through long narrow flag weight.
(6) economy: choosing of seeds, in line with the principle of economy, with the input of minimum, obtain maximum benefit.
The nursery stock that suggestion is used
River, Tibetan poplar ( Populus szechuanicaSchneid. var. tibetica Schneid.), Salicaceae Populus, high megaphanerophyte.Be the main reproducting tree species of Lhasa, be celebrated with fast growing, strong, the easy breeding of flexibility.River, Tibetan poplar has the laudatory title of " Lhasa in the sky ", embodies the characteristics of Tibetan area.
Long stamen willow ( Salix longistaminaC. Wang et P. Y. Fu), Salicaceae Salix, dungarunga.Chang Zuowei protects the protection forest of native dyke strengthening, shore protection sand prevention, and branch is more, and is highly moderate, be suitable for through the long narrow flag suspension, and Chang Zuowei riparian forest tape tree kind stable banks, germination early, evening fall leaves, and are signifying " the industrious Lhasa people ", have cultural connotation.
English walnut ( Juglans), be commonly called as walnut, the Juglandaceae white walnut, tall and big deciduous tree really 8 ~ September of phase, can be used to beautify the environment in 3 ~ April of florescence, also fruit can be provided.
Torch tree ( Rhus typhinaNutt ),The Anacardiaceae sumach, machaka, cold-resistant, strong to soil suitability, well developed root system, sprout tillers property is strong, and flourishing root system can play and conserve water and soil, water conservation, the ecological effect of improvement; Leaf is in great numbers, and surperficial villous can adsorb floating dust and objectionable impurities in the atmosphere in a large number, can purify air; Present 3 kinds of colors its every year: open spring and spend in vain, summer is the green fruit of greenery from head to foot, and the autumn and winter hang up red festoons really, can build landscape effect.
Reed ( Phragmites australis(Cav.) Trin. ex Steud.), the Gramineae reed belongs to, and perennial herb has the flourishing underground root stock of crawling, and can protect native dyke strengthening, opens white green or brown flower summer and autumn, can increase landscape effect, and reed can be gathered in autumn, in order to increase income.
Calamus ( Acorus calamusLinn), the Araeceae Acorus, aquatic herbaceous plant can be used for purifying water for many years.
Cosmos bipinnatus ( Cosmos bipinnatusCav), the composite family cosmos is claimed the lattice mulberry again, and the most indomitable, the prevailing a kind of wild flower of vitality also is the city flower of Lhasa on the plateau.
Mother chrysanthemum ( Dendranthema indicum(Linn.) Des Moul.), composite family, perennial herb, this kind have many mutation and cross-fertilize seed, and the type pattern changes many, and its flower, leaf can be used as medicine.
Potentilla anseriana ( Potentilla .anseriana), Rosaceae potentilla produces the big portion in Tibet, opens yellow flower summer, fritter root economically valuable.

Claims (1)

1. forest belt, a riverbank collocation method that is beneficial to the river ecological landscape reservation and hangs through long narrow flag is characterized in that comprising the following steps:
(1) on high water river bed, be made as the A district in 6 ~ 7 meters apart from the riverbank of minor bed, in this zone:
(1) plant near the nearly water side on riverbank reed or calamus, 0 m of width 3. 0 m that plant ~ 4.;
(2) on the high water river bed in the outside in reed or calamus district, choose the diameter of a cross-section of a tree trunk 1.3 meters above the ground and transplant the arbor of 6.0cm-8.0cm, nearly water side one row transplants willow, and far water side one row transplants willow;
(3) the space allocation plan of trees adopts isosceles right triangle, promptly is positioned on two miter angles with two adjacent trees of delegation, and an adjacent row's the nearest trees of distance two tree lines are positioned on an angle of 90 degrees;
(4) the tree spacing of adjacent two trees is 6.0m, and the line space of adjacent two row trees is 3.0m;
(5) arbor is planted short draft down, adopts potentilla anseriana, lattice mulberry or annual bluegrass;
(2) on high water river bed, establish the communal facility district in 3.5 meters in the outside in A district, be called for short the B district, in this zone:
The wide pavement of 1.5m is established in the centre, is used for laying bench, refuse container and display card communal facility in the zone of pavement both sides 1.0m;
(3) on the high water river bed, be made as the C district between the communal facility district outside and the dyke, in this zone:
(1) plant shrub or low pygmy tree one row of the nearly water side in adjacent B district adopts torch tree, and its outside high megaphanerophyte of planting is adopted willow, willow or English walnut, makes it be covered with the C district; Choose the nursery stock of the diameter of a cross-section of a tree trunk 1.3 meters above the ground 3.0-5.0cm and transplant,
(2) the space allocation plan of trees is selected equilateral triangle for use, promptly is positioned on two 60 degree angles with two adjacent trees of delegation, and an adjacent row's the nearest trees of distance two tree lines are positioned on the 3rd 60 degree angle;
(3) the tree spacing of adjacent two trees is 3.0m, and the line space of adjacent two row trees is 2.6m,
(4) arbor is planted short draft down, adopts potentilla anseriana, lattice mulberry or annual bluegrass.
CN201010561108XA 2010-11-26 2010-11-26 Configuration method of river bank forest belt beneficial to river ecological landscape protection and prayer flag suspension Expired - Fee Related CN102070248B (en)

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