CN101705679A - Low cover degree sand stabilizing method - Google Patents
Low cover degree sand stabilizing method Download PDFInfo
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- CN101705679A CN101705679A CN200910241513A CN200910241513A CN101705679A CN 101705679 A CN101705679 A CN 101705679A CN 200910241513 A CN200910241513 A CN 200910241513A CN 200910241513 A CN200910241513 A CN 200910241513A CN 101705679 A CN101705679 A CN 101705679A
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Abstract
The invention provides a low cover degree sand stabilizing method, comprising the steps of planting one row to four rows of arbor and/or bush and/or subshrub in parallel to form a sand stabilizing forest shelter belt, and reserving a vegetation natural restoration belt between the forest shelter belts; and the forest shelter belts play roles of biological barrier for stabilizing sand, protection the stabilization of sand surface and promoting natural restoration of vegetation in the vegetation natural recovering belt, wherein the cover area of the arbor and the bush is 15-25 percent and the cover area of the vegetation natural restoration belt is 75-85 percent. By adopting a row-belt sand stabilizing mode, when the cover degree is 15-25 percent, the effect of stand stabilizing forests distributed in a row-belt mode for reducing the wind speed is 25-50 percent higher than that of the stand stabilizing forests an evenly-distributed and randomly-distributed mode for reducing the wind speed, the border-row advantages of forests can be fully exerted; and after the sand surface is stabilized, wide enough interband is beneficial to the infiltration of rainfall and natural recovery of the vegetation, and forms complex sand stabilizing vegetation for promoting natural recovery at zonality vegetation occupying 85-75 percent of land under the protection of forest belt occupying 15-25 percent of the land.
Description
Technical field
The present invention relates to a kind of sand-fixation method.
Background technology
At arid, semiarid region, because rainfall rareness, through very long natural deduction, progressively grow and formed present sparse vegetation, as descending in the complete rain condition of supporting, the caragana microphylla woods 550-700 strain/hectare of semiarid region, the elm woods 200-500 strain/hectare of semiarid region, poplar forest 200-400 strain/hectare.This density is complementary with amount of precipitation, meets the water balance condition, can guarantee the stability of standing forest.Under field conditions (factors), this sparse woods can not be completely fixed drift sand, and sand ground still is in the moving state of semi-fluid, and at unsettled Shamian Island, natural vegetation restoration is very difficult.In the 50-60 age, large-area high density (generally 2000 strains/more than the hectare) sand-fixation forest has been built by China, and the result death that decays just occurs in the middle young growth stage, causes the sand control effect significantly to descend.
The low cover degree vegetation is China's arid, the very long natural deduction in geological epoch of semiarid region process, progressively grows to form and extensive vegetation distribution type, and coverage is generally between 10-30%.Forefathers' research is thought: vegetation coverage is lower than 40%, can not be completely fixed the formation of drift sand and prevention stream, can only form semifixed, the moving sand ground of semi-fluid.But in actual observation, find, when coverage is lower than 40%, shrubbery is in the difference of horizontal space Distribution Pattern, have a strong impact on the protection effect of low cover degree vegetation, in the research of a general layout, basically the spatial distribution of population is defined as 3 types: random distribution (Randomdistribution), evenly distribution (Regular distribution) and cluster distribution (Clumpeddistribution).Wherein preceding two types are lower than under 40% the situation all tackling quicksand well in coverage.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of low cover degree sand stabilizing method that can be completely fixed drift sand under the situation of coverage 15～25%.
In order to address the above problem, the invention provides a kind of low cover degree sand stabilizing method is: 1 row～4 row arbors and/or shrubs and/or the parallel plantation of fruticuli are formed one and are fixed the sand shelter belt, between shelter belt and shelter belt, leave a natural vegetation restoration band; Shelter belt plays biological sand-protecting barrier, and the protection Shamian Island is stable, promotes the effect of repairing naturally of vegetation in the natural vegetation restoration band; Wherein, tall area coverage of irritating shelter belt is 15～25%, and the area that vegetation is repaired the band covering naturally is 75～85%.
Preferably, arbor with the plantation spacing in the rows of recovering band (two row generation) is:
2m (spacing in the rows) * 2m～4m (line-spacing) * 12m～40m (recovering band) * 2m (spacing in the rows) * 2m～4m (line-spacing).
Preferably, shrub with the plantation spacing in the rows of recovering band (two row generation) is:
1m～2m (spacing in the rows) * 2m～4m (line-spacing) * 10m～20m (recovering band) * 1m～2m (spacing in the rows) * 2m～4m (line-spacing).
Preferably, shrub with the plantation spacing in the rows of recovering band (single file belt) is:
1m (spacing in the rows) * 8m～15m (recovering band) * 1m (spacing in the rows).
Preferably, fruticuli with the plantation spacing in the rows of recovering band (two row generation) is:
1m (spacing in the rows) * 2m (line-spacing) * 5m～8m (recovering band) * 1m (spacing in the rows) * 2m (line-spacing).
Preferably, fruticuli with the plantation spacing in the rows of recovering band (single file belt) is:
(0.5m spacing in the rows) * 4m～6m (recovering band) * 0.5m (spacing in the rows).
The present invention is by adopting the mode of fixing the sand of capable belt; in coverage is 15～25% o'clock; the sand-fixation forest that the belt of going distributes reduces the high 25-50% of the effect of wind speed than even distribution and random distribution; can give full play to the limit row advantage of forest; and enough wide interband after Shamian Island is stable, helps the recovery naturally of going into to blend vegetation of rainfall; only form to take up an area of 15～25% forest belt protection down, promote to take up an area of the composite sand consolidation vegetation that recovers naturally with zonal vegetation of 85%-75%.The banded sand-fixation forest of row at first plays the effect of sand-protecting barrier, stablizes and guarantees that natural plants can settle down behind the Shamian Island; The ecological microclimate benefit of forest belt formation thereafter and the effect of woods grass interface ecology promote the forming process of quick reparation of interband natural vegetation and soil, and then reach the effect of fixing the sand fully.
Description of drawings
Fig. 1 is the picture according to the present invention's row belt afforestation;
Fig. 2 is the picture in 2～4 years in afforestation back;
Fig. 3 is the back 10 years picture of afforestation;
Fig. 4 is the back 24 years picture of afforestation;
Fig. 5 is the back 40 years picture of afforestation.
The specific embodiment
The present invention specifically carries out in the following manner: as shown in Figure 1, the arbor row of the above parallel plantation of 2 row is the herbaceous plant band between two row arbor row, and arbor row area coverage is 15～25%, and the area that the herbaceous plant band covers is 75～85%.Wherein, arbor with the plantation spacing in the rows of recovering band is: 2m (spacing in the rows) * 2m～4m (line-spacing) * 12m～40m (recovering band) * 2m (spacing in the rows) * 2m～4m (line-spacing).
At semiarid region, sand ground is the special site type of distributed in nature, since its surperficial unstability and be easy to feature such as wind erosion, plant are difficult to or can't be natural give birth to, vegetation is repaired very difficulty, herbaceous plant particularly, because of its overground part branches and leaves are all withered in the winter time, and Root Distribution is shallow, before Shamian Island is not grown comparative maturity, can't prevent wind erosion, also just can not grow by normal growth.By adopting above-mentioned method, built the capable belt sand-fixation forest of low cover degree, at wide interband, as shown in Figure 2, form stable " recessed month " Shamian Island in 2～4 years, the plant (mainly being herbaceous plant in advance) of invading can be settled down, and formation only accounts for the arbor sand-fixation forest in 15～25% soils and the three-dimensional composite plant cover (seeing Appendix 1) of the herbosa combination that accounts for the 85-75% soil, and forms woods grass complex ecological interface and edge benefit generation district; Utilize the long-life characteristics of shrub to guarantee that a long vegetation of interband repairs and the soil development process naturally, this is in the ecosystem, the transmission of material, energy and information between biology and the biology, between biology and the environment on the interface and the active band of exchange have the ecological process and the ecological benefits of good interface.Help promoting natural vegetation to be repaired fast and the process of soil development, and the biological productivity of composite plant cover is fixed the sand in raising.
As shown in Figure 3, afforest after 10 years, row belt sand-fixation forest interband has tentatively recovered herbosa, and the upperground part biomass reaches 10-36 kilogram/mu.
As shown in Figure 4, afforest after 24 years, row belt sand-fixation forest interband has recovered good herbosa, and the upperground part biomass reaches 132-186 kilogram/mu.
As shown in Figure 5, afforest after 40 years, the interband vegetation recovers substantially fully, and near zonal vegetation, the soil development maturation forms good organic horizon, has had very strong weather-proof intensity.Arrived this stage, shrub is because behind the physiological longevity natural death, what stay is the good meadow of a slice reparation.Thereby reached the effect of fixing the sand fully.
In addition, for example, also can adopt following plantation spacing in the rows mode to carry out:
Shrub with the plantation spacing in the rows of recovering band (two row generation) is:
1m～2m (spacing in the rows) * 2m～4m (line-spacing) * 10m～20m (recovering band) * 1m～2m (spacing in the rows) * 2m～4m (line-spacing).
Or the plantation spacing in the rows of shrub and recovery band (single file belt) is:
1m (spacing in the rows) * 8m～15m (recovering band) * 1m (spacing in the rows).
Or the plantation spacing in the rows of fruticuli and recovery band (two row generation) is:
1m (spacing in the rows) * 2m (line-spacing) * 5m～8m (recovering band) * 1m (spacing in the rows) * 2m (line-spacing).
Or the plantation spacing in the rows of fruticuli and recovery band (single file belt) is:
(0.5m spacing in the rows) * 4m～6m (recovering band) * 0.5m (spacing in the rows).
Adopt above-mentioned mode all can obtain the effect suitable with the foregoing description.
In sum; being preferred embodiment of the present invention only below, is not to be used to limit protection scope of the present invention, therefore; all any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a low cover degree sand stabilizing method is characterized in that, this method is: 1 row～4 row arbors and/or shrub and/or the parallel plantation of fruticuli are formed one and are fixed the sand between shelter belt and shelter belt, to leave a natural vegetation restoration band in shelter belt; Shelter belt plays biological sand-protecting barrier, and the protection Shamian Island is stable, promotes the effect of repairing naturally of vegetation in the natural vegetation restoration band; Wherein, tall area coverage of irritating shelter belt is 15～25%, and the area that vegetation is repaired the band covering naturally is 75～85%.
2. the method for claim 1 is characterized in that, described arbor with the plantation spacing in the rows of recovering band (two row generation) is:
2m (spacing in the rows) * 2m～4m (line-spacing) * 12m～40m (recovering band) * 2m (spacing in the rows) * 2m～4m (line-spacing).
3. the method for claim 1 is characterized in that, described shrub with the plantation spacing in the rows of recovering band (two row generation) is:
1m～2m (spacing in the rows) * 2m～4m (line-spacing) * 10m～20m (recovering band) * 1m～2m (spacing in the rows) * 2m～4m (line-spacing).
4. the method for claim 1 is characterized in that, described shrub with the plantation spacing in the rows of recovering band (single file belt) is:
1m (spacing in the rows) * 8m～15m (recovering band) * 1m (spacing in the rows).
5. the method for claim 1 is characterized in that, described fruticuli with the plantation spacing in the rows of recovering band (two row generation) is:
1m (spacing in the rows) * 2m (line-spacing) * 5m～8m (recovering band) * 1m (spacing in the rows) * 2m (line-spacing).
6. the method for claim 1 is characterized in that, described fruticuli with the plantation spacing in the rows of recovering band (single file belt) is:
(0.5m spacing in the rows) * 4m～6m (recovering band) * 0.5m (spacing in the rows).
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| CN2009102415130A CN101705679B (en) | 2009-11-25 | 2009-11-25 | Low cover degree sand stabilizing method |
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| CN2009102415130A CN101705679B (en) | 2009-11-25 | 2009-11-25 | Low cover degree sand stabilizing method |
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| CN101705679A true CN101705679A (en) | 2010-05-12 |
| CN101705679B CN101705679B (en) | 2012-03-07 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428824A (en) * | 2011-10-18 | 2012-05-02 | 亿利资源集团有限公司 | Desert cultivation method of Glycyrrhiza uralensis Fisch. |
| CN102487697A (en) * | 2011-12-13 | 2012-06-13 | 中国科学院新疆生态与地理研究所 | Mountainous-area protecting meadow building method of arid areas |
| CN103015397A (en) * | 2012-12-26 | 2013-04-03 | 若尔盖县综合林场 | Salix paraqplesia sand-protecting barrier for high and cold desert areas and setting method for Salix paraqplesia sand-protecting barrier |
| CN103141278A (en) * | 2013-03-22 | 2013-06-12 | 西南民族大学 | Wind prevention and sand fixation greening planting technology |
| CN104365316A (en) * | 2014-09-12 | 2015-02-25 | 甘肃省治沙研究所 | Method for rapidly recovering close-to-nature sand stabilizing vegetation of shifting sandy land in semi-desert area |
| CN107242089A (en) * | 2017-07-20 | 2017-10-13 | 内蒙古自治区林业科学研究院 | A kind of mongolian bluebeard shrub as plant sand block material sand-protecting barrier build and plant technology |
| CN107278783A (en) * | 2017-08-07 | 2017-10-24 | 亿利首建生态科技有限公司 | A kind of building method of highway shelter-forest |
| CN112715578A (en) * | 2020-12-24 | 2021-04-30 | 中国林业科学研究院林业新技术研究所 | Toxin type plant rooting liquid, rooting method and application |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1615686A (en) * | 2003-11-15 | 2005-05-18 | 中国科学院新疆生态与地理研究所 | Ecological integration technology for desert forest and planted forest |
-
2009
- 2009-11-25 CN CN2009102415130A patent/CN101705679B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428824A (en) * | 2011-10-18 | 2012-05-02 | 亿利资源集团有限公司 | Desert cultivation method of Glycyrrhiza uralensis Fisch. |
| CN102428824B (en) * | 2011-10-18 | 2013-05-29 | 亿利资源集团有限公司 | Desert cultivation method of Glycyrrhiza uralensis Fisch. |
| CN102487697A (en) * | 2011-12-13 | 2012-06-13 | 中国科学院新疆生态与地理研究所 | Mountainous-area protecting meadow building method of arid areas |
| CN103015397A (en) * | 2012-12-26 | 2013-04-03 | 若尔盖县综合林场 | Salix paraqplesia sand-protecting barrier for high and cold desert areas and setting method for Salix paraqplesia sand-protecting barrier |
| CN103141278A (en) * | 2013-03-22 | 2013-06-12 | 西南民族大学 | Wind prevention and sand fixation greening planting technology |
| CN103141278B (en) * | 2013-03-22 | 2015-05-13 | 西南民族大学 | Wind prevention and sand fixation greening planting technology |
| CN104365316A (en) * | 2014-09-12 | 2015-02-25 | 甘肃省治沙研究所 | Method for rapidly recovering close-to-nature sand stabilizing vegetation of shifting sandy land in semi-desert area |
| CN107242089A (en) * | 2017-07-20 | 2017-10-13 | 内蒙古自治区林业科学研究院 | A kind of mongolian bluebeard shrub as plant sand block material sand-protecting barrier build and plant technology |
| CN107278783A (en) * | 2017-08-07 | 2017-10-24 | 亿利首建生态科技有限公司 | A kind of building method of highway shelter-forest |
| CN107278783B (en) * | 2017-08-07 | 2020-06-26 | 亿利首建生态科技有限公司 | Construction method of road protection forest |
| CN112715578A (en) * | 2020-12-24 | 2021-04-30 | 中国林业科学研究院林业新技术研究所 | Toxin type plant rooting liquid, rooting method and application |
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| CN101705679B (en) | 2012-03-07 |
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